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Posted to notifications@asterixdb.apache.org by AsterixDB Code Review <do...@asterix-gerrit.ics.uci.edu> on 2021/12/22 22:07:06 UTC
Change in asterixdb-graph[master]: [ASTERIXDB-2979][MTD][GRAPH] Implement CREATE / DROP GRAPH
From Glenn Galvizo <gg...@uci.edu>:
Glenn Galvizo has uploaded this change for review. ( https://asterix-gerrit.ics.uci.edu/c/asterixdb-graph/+/14644 )
Change subject: [ASTERIXDB-2979][MTD][GRAPH] Implement CREATE / DROP GRAPH
......................................................................
[ASTERIXDB-2979][MTD][GRAPH] Implement CREATE / DROP GRAPH
Initial commit. This supports CREATE GRAPH, DROP GRAPH, and prevents
dropping views / functions / datasets / synonyms / dataverses that a
graph depends on.
Change-Id: Ibaf4dc7066b85d8ea3b58c6b90fd83af3a700506
---
A .gitignore
A asterix-graphix/pom.xml
A asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/compiler/provider/GraphixCompilationProvider.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/compiler/provider/GraphixRuleSetFactory.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/translator/GraphixExpressionToPlanTranslator.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/translator/GraphixExpressionToPlanTranslatorFactory.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/app/translator/GraphixQueryTranslator.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/app/translator/GraphixQueryTranslatorFactory.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/common/metadata/GraphElementIdentifier.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/common/metadata/GraphIdentifier.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixLangExtension.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixMetadataExtension.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixQueryTranslatorExtension.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/expression/GraphConstructor.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/expression/GraphElementExpr.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/parser/GraphElementBodyParser.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/parser/GraphixParserFactory.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixQueryRewriter.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixRewriterFactory.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixRewritingContext.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/visitor/IGraphixLangVisitor.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/CreateGraphStatement.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/GraphDropStatement.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/GraphElementDecl.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/util/GraphStatementHandlingUtil.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/bootstrap/GraphixMetadataIndexes.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/bootstrap/GraphixMetadataRecordTypes.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entities/Graph.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entities/GraphDependencies.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entitytupletranslators/GraphTupleTranslator.java
A asterix-graphix/src/main/resources/cc.conf
A asterix-graphix/src/main/resources/lang-extension/lang.txt
A asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixExecutionTest.java
A asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixIntegrationUtil.java
A asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixMetadataTest.java
A asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.1.ddl.sqlpp
A asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.2.query.sqlpp
A asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.3.ddl.sqlpp
A asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.4.query.sqlpp
A asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.5.ddl.sqlpp
A asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.6.query.sqlpp
A asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.7.ddl.sqlpp
A asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.8.query.sqlpp
A asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.1.adm
A asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.2.adm
A asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.3.adm
A asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.4.adm
A asterix-graphix/src/test/resources/metadata/testsuite.xml
A asterix-graphix/src/test/resources/runtimets/only.xml
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.1.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.10.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.11.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.2.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.3.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.4.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.5.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.6.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.7.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.8.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.9.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/testsuite.xml
A asterix-opt-bom/pom.xml
A pom.xml
63 files changed, 4,923 insertions(+), 0 deletions(-)
git pull ssh://asterix-gerrit.ics.uci.edu:29418/asterixdb-graph refs/changes/44/14644/1
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..a546fd6
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,12 @@
+opttest
+target
+build
+
+.classpath
+.settings
+.project
+.idea
+.DS_Store
+
+*.swp
+*.iml
\ No newline at end of file
diff --git a/asterix-graphix/pom.xml b/asterix-graphix/pom.xml
new file mode 100644
index 0000000..527a593
--- /dev/null
+++ b/asterix-graphix/pom.xml
@@ -0,0 +1,261 @@
+<!--
+ ! Licensed to the Apache Software Foundation (ASF) under one
+ ! or more contributor license agreements. See the NOTICE file
+ ! distributed with this work for additional information
+ ! regarding copyright ownership. The ASF licenses this file
+ ! to you under the Apache License, Version 2.0 (the
+ ! "License"); you may not use this file except in compliance
+ ! with the License. You may obtain a copy of the License at
+ !
+ ! http://www.apache.org/licenses/LICENSE-2.0
+ !
+ ! Unless required by applicable law or agreed to in writing,
+ ! software distributed under the License is distributed on an
+ ! "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ! KIND, either express or implied. See the License for the
+ ! specific language governing permissions and limitations
+ ! under the License.
+ !-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+ <groupId>org.apache.asterix.graphix</groupId>
+ <artifactId>asterix-opt</artifactId>
+ <version>0.1.0-SNAPSHOT</version>
+ </parent>
+
+ <artifactId>asterix-graphix</artifactId>
+ <properties>
+ <asterix.version>0.9.7-SNAPSHOT</asterix.version>
+ <hyracks.version>0.3.7-SNAPSHOT</hyracks.version>
+ </properties>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-grammar-extension-maven-plugin</artifactId>
+ <version>${asterix.version}</version>
+ <configuration>
+ <base>${project.basedir}</base>
+ <gbase>../../asterix-lang-sqlpp/src/main/javacc/SQLPP.jj</gbase>
+ <gextension>src/main/resources/lang-extension/lang.txt</gextension>
+ <output>target/generated-resources/javacc/grammar.jj</output>
+ <parserClassName>GraphixParser</parserClassName>
+ <packageName>org.apache.asterix.graphix.lang.parser</packageName>
+ </configuration>
+ <executions>
+ <execution>
+ <phase>generate-sources</phase>
+ <goals>
+ <goal>grammarix</goal>
+ </goals>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <groupId>org.codehaus.mojo</groupId>
+ <artifactId>javacc-maven-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>javacc</id>
+ <goals>
+ <goal>javacc</goal>
+ </goals>
+ <configuration>
+ <isStatic>false</isStatic>
+ <javaUnicodeEscape>true</javaUnicodeEscape>
+ <sourceDirectory>target/generated-resources/javacc</sourceDirectory>
+ </configuration>
+ </execution>
+ <execution>
+ <id>javacc-jjdoc</id>
+ <goals>
+ <goal>jjdoc</goal>
+ </goals>
+ <phase>process-sources</phase>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <groupId>org.codehaus.mojo</groupId>
+ <artifactId>build-helper-maven-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>add-source</id>
+ <phase>generate-sources</phase>
+ <goals>
+ <goal>add-source</goal>
+ </goals>
+ <configuration>
+ <sources>
+ <source>${project.build.directory}/generated-sources/javacc/</source>
+ </sources>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.rat</groupId>
+ <artifactId>apache-rat-plugin</artifactId>
+ <configuration>
+ <excludes combine.children="append">
+ <exclude>src/test/resources/**/results/**</exclude>
+ <exclude>data/**</exclude>
+ </excludes>
+ </configuration>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-dependency-plugin</artifactId>
+ <configuration>
+ <usedDependencies>
+ <usedDependency>org.apache.hadoop:hadoop-minicluster</usedDependency>
+ <usedDependency>org.apache.asterix:asterix-fuzzyjoin</usedDependency>
+ </usedDependencies>
+ <ignoredUnusedDeclaredDependencies>
+ <ignoredUnusedDeclaredDependency>org.apache.asterix:asterix-common</ignoredUnusedDeclaredDependency>
+ </ignoredUnusedDeclaredDependencies>
+ </configuration>
+ </plugin>
+ <plugin>
+ <groupId>net.revelc.code.formatter</groupId>
+ <artifactId>formatter-maven-plugin</artifactId>
+ <executions>
+ <execution>
+ <goals>
+ <goal>${source-format.goal}</goal>
+ </goals>
+ </execution>
+ </executions>
+ <configuration>
+ <configFile>../../../hyracks-fullstack/AsterixCodeFormatProfile.xml</configFile>
+ <skipFormatting>${source-format.skip}</skipFormatting>
+ </configuration>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-compiler-plugin</artifactId>
+ <configuration>
+ <source>9</source>
+ <target>9</target>
+ </configuration>
+ </plugin>
+ </plugins>
+
+ <pluginManagement>
+ <plugins>
+ <!--This plugin's configuration is used to store Eclipse m2e settings only. It has no influence on the Maven build itself.-->
+ <plugin>
+ <groupId>org.eclipse.m2e</groupId>
+ <artifactId>lifecycle-mapping</artifactId>
+ <version>1.0.0</version>
+ <configuration>
+ <lifecycleMappingMetadata>
+ <pluginExecutions>
+ <pluginExecution>
+ <pluginExecutionFilter>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-grammar-extension-maven-plugin</artifactId>
+ <versionRange>[${asterix.version},)</versionRange>
+ <goals>
+ <goal>grammarix</goal>
+ </goals>
+ </pluginExecutionFilter>
+ <action>
+ <ignore></ignore>
+ </action>
+ </pluginExecution>
+ <pluginExecution>
+ <pluginExecutionFilter>
+ <groupId>org.codehaus.mojo</groupId>
+ <artifactId>javacc-maven-plugin</artifactId>
+ <versionRange>[2.6,)</versionRange>
+ <goals>
+ <goal>javacc</goal>
+ </goals>
+ </pluginExecutionFilter>
+ <action>
+ <ignore></ignore>
+ </action>
+ </pluginExecution>
+ </pluginExecutions>
+ </lifecycleMappingMetadata>
+ </configuration>
+ </plugin>
+ </plugins>
+ </pluginManagement>
+ </build>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-om</artifactId>
+ <version>${asterix.version}</version>
+ <type>jar</type>
+ <scope>compile</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-runtime</artifactId>
+ <version>${asterix.version}</version>
+ <type>jar</type>
+ <scope>compile</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-common</artifactId>
+ <version>${asterix.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-algebra</artifactId>
+ <version>${asterix.version}</version>
+ <scope>compile</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-metadata</artifactId>
+ <version>${asterix.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-app</artifactId>
+ <version>${asterix.version}</version>
+ <type>jar</type>
+ <scope>compile</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-app</artifactId>
+ <version>${asterix.version}</version>
+ <type>test-jar</type>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-test-framework</artifactId>
+ <version>0.9.7-SNAPSHOT</version>
+ <scope>test</scope>
+ </dependency>
+
+ <dependency>
+ <groupId>org.apache.hyracks</groupId>
+ <artifactId>algebricks-compiler</artifactId>
+ <version>${hyracks.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.hyracks</groupId>
+ <artifactId>hyracks-test-support</artifactId>
+ <version>${hyracks.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.hyracks</groupId>
+ <artifactId>hyracks-storage-am-lsm-btree-test</artifactId>
+ <version>${hyracks.version}</version>
+ <type>test-jar</type>
+ <scope>test</scope>
+ </dependency>
+ </dependencies>
+</project>
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/compiler/provider/GraphixCompilationProvider.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/compiler/provider/GraphixCompilationProvider.java
new file mode 100644
index 0000000..13d8c48
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/compiler/provider/GraphixCompilationProvider.java
@@ -0,0 +1,50 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.algebra.compiler.provider;
+
+import org.apache.asterix.algebra.base.ILangExpressionToPlanTranslatorFactory;
+import org.apache.asterix.compiler.provider.IRuleSetFactory;
+import org.apache.asterix.compiler.provider.SqlppCompilationProvider;
+import org.apache.asterix.graphix.algebra.translator.GraphixExpressionToPlanTranslatorFactory;
+import org.apache.asterix.graphix.lang.parser.GraphixParserFactory;
+import org.apache.asterix.graphix.lang.rewrites.GraphixRewriterFactory;
+import org.apache.asterix.lang.common.base.IParserFactory;
+import org.apache.asterix.lang.common.base.IRewriterFactory;
+
+public class GraphixCompilationProvider extends SqlppCompilationProvider {
+ @Override
+ public IParserFactory getParserFactory() {
+ return new GraphixParserFactory();
+ }
+
+ @Override
+ public IRuleSetFactory getRuleSetFactory() {
+ return new GraphixRuleSetFactory();
+ }
+
+ @Override
+ public IRewriterFactory getRewriterFactory() {
+ return new GraphixRewriterFactory(getParserFactory());
+ }
+
+ @Override
+ public ILangExpressionToPlanTranslatorFactory getExpressionToPlanTranslatorFactory() {
+ return new GraphixExpressionToPlanTranslatorFactory();
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/compiler/provider/GraphixRuleSetFactory.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/compiler/provider/GraphixRuleSetFactory.java
new file mode 100644
index 0000000..d37661c
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/compiler/provider/GraphixRuleSetFactory.java
@@ -0,0 +1,42 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.algebra.compiler.provider;
+
+import java.util.List;
+
+import org.apache.asterix.common.dataflow.ICcApplicationContext;
+import org.apache.asterix.compiler.provider.DefaultRuleSetFactory;
+import org.apache.asterix.compiler.provider.IRuleSetFactory;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.rewriter.base.AbstractRuleController;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+
+public class GraphixRuleSetFactory implements IRuleSetFactory {
+ @Override
+ public List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> getLogicalRewrites(
+ ICcApplicationContext appCtx) {
+ return DefaultRuleSetFactory.buildLogical(appCtx);
+ }
+
+ @Override
+ public List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> getPhysicalRewrites(
+ ICcApplicationContext appCtx) {
+ return DefaultRuleSetFactory.buildPhysical(appCtx);
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/translator/GraphixExpressionToPlanTranslator.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/translator/GraphixExpressionToPlanTranslator.java
new file mode 100644
index 0000000..12a7f39
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/translator/GraphixExpressionToPlanTranslator.java
@@ -0,0 +1,32 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.algebra.translator;
+
+import java.util.Map;
+
+import org.apache.asterix.lang.common.struct.VarIdentifier;
+import org.apache.asterix.metadata.declared.MetadataProvider;
+import org.apache.asterix.om.base.IAObject;
+import org.apache.asterix.translator.SqlppExpressionToPlanTranslator;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+
+public class GraphixExpressionToPlanTranslator extends SqlppExpressionToPlanTranslator {
+ public GraphixExpressionToPlanTranslator(MetadataProvider metadataProvider, int currentVarCounter,
+ Map<VarIdentifier, IAObject> externalVars) throws AlgebricksException {
+ super(metadataProvider, currentVarCounter, externalVars);
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/translator/GraphixExpressionToPlanTranslatorFactory.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/translator/GraphixExpressionToPlanTranslatorFactory.java
new file mode 100644
index 0000000..c119e4d
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/translator/GraphixExpressionToPlanTranslatorFactory.java
@@ -0,0 +1,34 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.algebra.translator;
+
+import java.util.Map;
+
+import org.apache.asterix.algebra.base.ILangExpressionToPlanTranslator;
+import org.apache.asterix.algebra.base.ILangExpressionToPlanTranslatorFactory;
+import org.apache.asterix.lang.common.struct.VarIdentifier;
+import org.apache.asterix.metadata.declared.MetadataProvider;
+import org.apache.asterix.om.base.IAObject;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+
+public class GraphixExpressionToPlanTranslatorFactory implements ILangExpressionToPlanTranslatorFactory {
+ @Override
+ public ILangExpressionToPlanTranslator createExpressionToPlanTranslator(MetadataProvider metadataProvider,
+ int currentVarCounter, Map<VarIdentifier, IAObject> externalVars) throws AlgebricksException {
+ return new GraphixExpressionToPlanTranslator(metadataProvider, currentVarCounter, externalVars);
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/app/translator/GraphixQueryTranslator.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/app/translator/GraphixQueryTranslator.java
new file mode 100644
index 0000000..59889a3
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/app/translator/GraphixQueryTranslator.java
@@ -0,0 +1,219 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.app.translator;
+
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+import java.util.concurrent.ExecutorService;
+import java.util.function.Function;
+
+import org.apache.asterix.app.translator.QueryTranslator;
+import org.apache.asterix.common.api.IResponsePrinter;
+import org.apache.asterix.common.dataflow.ICcApplicationContext;
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.common.exceptions.ErrorCode;
+import org.apache.asterix.common.functions.FunctionSignature;
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.compiler.provider.ILangCompilationProvider;
+import org.apache.asterix.graphix.extension.GraphixMetadataExtension;
+import org.apache.asterix.graphix.lang.expression.GraphElementExpr;
+import org.apache.asterix.graphix.lang.rewrites.GraphixQueryRewriter;
+import org.apache.asterix.graphix.lang.rewrites.GraphixRewritingContext;
+import org.apache.asterix.graphix.lang.statement.GraphDropStatement;
+import org.apache.asterix.graphix.lang.statement.GraphElementDecl;
+import org.apache.asterix.graphix.metadata.entities.Graph;
+import org.apache.asterix.lang.common.base.Statement;
+import org.apache.asterix.lang.common.statement.DataverseDropStatement;
+import org.apache.asterix.lang.common.statement.DropDatasetStatement;
+import org.apache.asterix.lang.common.statement.FunctionDropStatement;
+import org.apache.asterix.lang.common.statement.Query;
+import org.apache.asterix.lang.common.statement.SynonymDropStatement;
+import org.apache.asterix.lang.common.statement.ViewDropStatement;
+import org.apache.asterix.lang.common.struct.Identifier;
+import org.apache.asterix.lang.common.util.ExpressionUtils;
+import org.apache.asterix.metadata.MetadataManager;
+import org.apache.asterix.metadata.MetadataTransactionContext;
+import org.apache.asterix.metadata.declared.MetadataProvider;
+import org.apache.asterix.metadata.entities.DependencyKind;
+import org.apache.asterix.translator.IRequestParameters;
+import org.apache.asterix.translator.SessionOutput;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.common.utils.Triple;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+
+public class GraphixQueryTranslator extends QueryTranslator {
+ public GraphixQueryTranslator(ICcApplicationContext appCtx, List<Statement> statements, SessionOutput output,
+ ILangCompilationProvider compilationProvider, ExecutorService executorService,
+ IResponsePrinter responsePrinter) {
+ super(appCtx, statements, output, compilationProvider, executorService, responsePrinter);
+ }
+
+ public GraphixQueryRewriter getQueryRewriter() {
+ return (GraphixQueryRewriter) rewriterFactory.createQueryRewriter();
+ }
+
+ public void setGraphElementNormalizedBody(MetadataProvider metadataProvider, GraphElementDecl graphElementDecl,
+ GraphixQueryRewriter queryRewriter) throws CompilationException {
+ // Create a query AST for our rewriter to walk through.
+ GraphElementExpr functionCall = new GraphElementExpr(graphElementDecl.getIdentifier());
+ Query query = ExpressionUtils.createWrappedQuery(functionCall, graphElementDecl.getSourceLocation());
+
+ // We call our rewriter to set the normalized bodies of {@code graphElementDecl}.
+ GraphixRewritingContext graphixRewritingContext =
+ new GraphixRewritingContext(metadataProvider, declaredFunctions, null,
+ Collections.singletonList(graphElementDecl), warningCollector, query.getVarCounter());
+ queryRewriter.loadNormalizedGraphElements(graphixRewritingContext, query);
+ }
+
+ @Override
+ protected void handleDropSynonymStatement(MetadataProvider metadataProvider, Statement stmt) throws Exception {
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+
+ // Forbid dropping the synonym if any graphs depend on this synonym.
+ DataverseName workingDataverse = getActiveDataverseName(((SynonymDropStatement) stmt).getDataverseName());
+ String synonymName = ((SynonymDropStatement) stmt).getSynonymName();
+ throwErrorIfDependentExists(mdTxnCtx, workingDataverse,
+ (dependency) -> dependency.first == DependencyKind.SYNONYM
+ && dependency.second.second.equals(synonymName));
+
+ // Finish this transaction and perform the remainder of the DROP SYNONYM statement.
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ super.handleDropSynonymStatement(metadataProvider, stmt);
+ }
+
+ @Override
+ protected void handleFunctionDropStatement(MetadataProvider metadataProvider, Statement stmt,
+ IRequestParameters requestParameters) throws Exception {
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+
+ // Forbid dropping the function if any graphs depend on this function.
+ FunctionSignature functionSignature = ((FunctionDropStatement) stmt).getFunctionSignature();
+ DataverseName workingDataverse = getActiveDataverseName(functionSignature.getDataverseName());
+ throwErrorIfDependentExists(mdTxnCtx, workingDataverse,
+ (dependency) -> dependency.first == DependencyKind.FUNCTION
+ && dependency.second.second.equals(functionSignature.getName())
+ && dependency.second.third.equals(Integer.toString(functionSignature.getArity())));
+
+ // Finish this transaction and perform the remainder of the DROP FUNCTION statement.
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ super.handleFunctionDropStatement(metadataProvider, stmt, requestParameters);
+ }
+
+ @Override
+ public void handleViewDropStatement(MetadataProvider metadataProvider, Statement stmt) throws Exception {
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+
+ // Forbid dropping the dataset if any graphs depend on this dataset.
+ DataverseName workingDataverse = getActiveDataverseName(((ViewDropStatement) stmt).getDataverseName());
+ Identifier dsId = ((ViewDropStatement) stmt).getViewName();
+ throwErrorIfDependentExists(mdTxnCtx, workingDataverse,
+ (dependency) -> dependency.first == DependencyKind.DATASET
+ && dependency.second.second.equals(dsId.getValue()));
+
+ // Finish this transaction and perform the remainder of the DROP VIEW statement.
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ super.handleViewDropStatement(metadataProvider, stmt);
+ }
+
+ @Override
+ public void handleDatasetDropStatement(MetadataProvider metadataProvider, Statement stmt,
+ IHyracksClientConnection hcc, IRequestParameters requestParameters) throws Exception {
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+
+ // Forbid dropping the dataset if any graphs depend on this dataset.
+ DataverseName workingDataverse = getActiveDataverseName(((DropDatasetStatement) stmt).getDataverseName());
+ Identifier dsId = ((DropDatasetStatement) stmt).getDatasetName();
+ throwErrorIfDependentExists(mdTxnCtx, workingDataverse,
+ (dependency) -> dependency.first == DependencyKind.DATASET
+ && dependency.second.second.equals(dsId.getValue()));
+
+ // Finish this transaction and perform the remainder of the DROP DATASET statement.
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ super.handleDatasetDropStatement(metadataProvider, stmt, hcc, requestParameters);
+ }
+
+ private void throwErrorIfDependentExists(MetadataTransactionContext mdTxnCtx, DataverseName workingDataverse,
+ Function<Pair<DependencyKind, Triple<DataverseName, String, String>>, Boolean> isEntityDependent)
+ throws AlgebricksException {
+ List<Graph> allGraphs = GraphixMetadataExtension.getGraphs(mdTxnCtx, workingDataverse);
+ for (Graph graph : allGraphs) {
+ if (!graph.getDataverseName().equals(workingDataverse)) {
+ continue;
+ }
+ Iterator<Pair<DependencyKind, Triple<DataverseName, String, String>>> dependencyIterator =
+ graph.getDependencies().getIterator();
+ while (dependencyIterator.hasNext()) {
+ Pair<DependencyKind, Triple<DataverseName, String, String>> dependency = dependencyIterator.next();
+ if (isEntityDependent.apply(dependency)) {
+ throw new CompilationException(ErrorCode.CANNOT_DROP_OBJECT_DEPENDENT_EXISTS, dependency.first,
+ dependency.first.getDependencyDisplayName(dependency.second), "graph",
+ graph.getGraphName());
+ }
+ }
+ }
+ }
+
+ @Override
+ protected void handleDataverseDropStatement(MetadataProvider metadataProvider, Statement stmt,
+ IHyracksClientConnection hcc, IRequestParameters requestParameters) throws Exception {
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+
+ // Forbid dropping this dataverse if other graphs that are outside this dataverse depend on this dataverse.
+ DataverseName droppedDataverse = ((DataverseDropStatement) stmt).getDataverseName();
+ List<Graph> allGraphs = GraphixMetadataExtension.getGraphs(mdTxnCtx, null);
+ for (Graph graph : allGraphs) {
+ if (graph.getDataverseName().equals(droppedDataverse)) {
+ continue;
+ }
+ Iterator<Pair<DependencyKind, Triple<DataverseName, String, String>>> dependencyIterator =
+ graph.getDependencies().getIterator();
+ while (dependencyIterator.hasNext()) {
+ Pair<DependencyKind, Triple<DataverseName, String, String>> dependency = dependencyIterator.next();
+ if (dependency.second.first.equals(droppedDataverse)) {
+ throw new CompilationException(ErrorCode.CANNOT_DROP_DATAVERSE_DEPENDENT_EXISTS, dependency.first,
+ dependency.first.getDependencyDisplayName(dependency.second), "graph",
+ graph.getGraphName());
+ }
+ }
+ }
+
+ // Perform a drop for all graphs contained in this dataverse.
+ MetadataProvider tempMdProvider = MetadataProvider.create(appCtx, metadataProvider.getDefaultDataverse());
+ tempMdProvider.getConfig().putAll(metadataProvider.getConfig());
+ for (Graph graph : allGraphs) {
+ if (!graph.getDataverseName().equals(droppedDataverse)) {
+ continue;
+ }
+ tempMdProvider.getLocks().reset();
+ GraphDropStatement gds = new GraphDropStatement(droppedDataverse, graph.getGraphName(), false);
+ gds.handle(hcc, this, requestParameters, tempMdProvider, 0);
+ }
+
+ // Finish this transaction and perform the remainder of the DROP DATAVERSE statement.
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ super.handleDataverseDropStatement(metadataProvider, stmt, hcc, requestParameters);
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/app/translator/GraphixQueryTranslatorFactory.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/app/translator/GraphixQueryTranslatorFactory.java
new file mode 100644
index 0000000..a0c4d2f
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/app/translator/GraphixQueryTranslatorFactory.java
@@ -0,0 +1,39 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.app.translator;
+
+import java.util.List;
+
+import org.apache.asterix.app.translator.DefaultStatementExecutorFactory;
+import org.apache.asterix.app.translator.QueryTranslator;
+import org.apache.asterix.common.api.IResponsePrinter;
+import org.apache.asterix.common.context.IStorageComponentProvider;
+import org.apache.asterix.common.dataflow.ICcApplicationContext;
+import org.apache.asterix.compiler.provider.ILangCompilationProvider;
+import org.apache.asterix.lang.common.base.Statement;
+import org.apache.asterix.translator.SessionOutput;
+
+public class GraphixQueryTranslatorFactory extends DefaultStatementExecutorFactory {
+ @Override
+ public QueryTranslator create(ICcApplicationContext appCtx, List<Statement> statements, SessionOutput output,
+ ILangCompilationProvider compilationProvider, IStorageComponentProvider storageComponentProvider,
+ IResponsePrinter printer) {
+ return new GraphixQueryTranslator(appCtx, statements, output, compilationProvider, executorService, printer);
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/common/metadata/GraphElementIdentifier.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/common/metadata/GraphElementIdentifier.java
new file mode 100644
index 0000000..fdd4ed4
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/common/metadata/GraphElementIdentifier.java
@@ -0,0 +1,87 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.common.metadata;
+
+import java.io.Serializable;
+import java.util.Objects;
+
+public class GraphElementIdentifier implements Serializable {
+ private static final long serialVersionUID = 1L;
+ private final GraphIdentifier graphIdentifier;
+ private final Kind elementKind;
+ private final String labelName;
+
+ public GraphElementIdentifier(GraphIdentifier graphIdentifier, Kind elementKind, String labelName) {
+ this.graphIdentifier = graphIdentifier;
+ this.elementKind = elementKind;
+ this.labelName = labelName;
+ }
+
+ public GraphIdentifier getGraphIdentifier() {
+ return graphIdentifier;
+ }
+
+ public Kind getElementKind() {
+ return elementKind;
+ }
+
+ public String getLabelName() {
+ return labelName;
+ }
+
+ @Override
+ public String toString() {
+ return graphIdentifier + "#" + labelName + " ( " + elementKind + " )";
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+ if (o instanceof GraphElementIdentifier) {
+ GraphElementIdentifier that = (GraphElementIdentifier) o;
+ return graphIdentifier.equals(that.graphIdentifier) && elementKind.equals(that.elementKind)
+ && labelName.equals(that.labelName);
+ }
+ return false;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(graphIdentifier, elementKind, labelName);
+ }
+
+ public enum Kind {
+ VERTEX,
+ EDGE;
+
+ @Override
+ public String toString() {
+ switch (this) {
+ case EDGE:
+ return "edge";
+ case VERTEX:
+ return "vertex";
+ default:
+ throw new IllegalStateException("Unknown graph element kind.");
+ }
+ }
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/common/metadata/GraphIdentifier.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/common/metadata/GraphIdentifier.java
new file mode 100644
index 0000000..4b78434
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/common/metadata/GraphIdentifier.java
@@ -0,0 +1,65 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.common.metadata;
+
+import java.io.Serializable;
+import java.util.Objects;
+
+import org.apache.asterix.common.metadata.DataverseName;
+
+public class GraphIdentifier implements Serializable {
+ private static final long serialVersionUID = 1L;
+ private final DataverseName dataverseName;
+ private final String graphName;
+
+ public GraphIdentifier(DataverseName dataverseName, String graphName) {
+ this.dataverseName = dataverseName;
+ this.graphName = graphName;
+ }
+
+ public DataverseName getDataverseName() {
+ return dataverseName;
+ }
+
+ public String getGraphName() {
+ return graphName;
+ }
+
+ @Override
+ public String toString() {
+ return dataverseName + "." + graphName;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+ if (o instanceof GraphIdentifier) {
+ GraphIdentifier that = (GraphIdentifier) o;
+ return dataverseName.equals(that.dataverseName) && graphName.equals(that.graphName);
+ }
+ return false;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(dataverseName, graphName);
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixLangExtension.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixLangExtension.java
new file mode 100644
index 0000000..2c46266
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixLangExtension.java
@@ -0,0 +1,50 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.extension;
+
+import java.util.List;
+
+import org.apache.asterix.algebra.base.ILangExtension;
+import org.apache.asterix.common.api.ExtensionId;
+import org.apache.asterix.compiler.provider.ILangCompilationProvider;
+import org.apache.asterix.graphix.algebra.compiler.provider.GraphixCompilationProvider;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+
+public class GraphixLangExtension implements ILangExtension {
+ public static final ExtensionId LANG_EXTENSION_ID = new ExtensionId(GraphixLangExtension.class.getSimpleName(), 0);
+
+ @Override
+ public ExtensionId getId() {
+ return LANG_EXTENSION_ID;
+ }
+
+ @Override
+ public void configure(List<Pair<String, String>> args) {
+ }
+
+ @Override
+ public ILangCompilationProvider getLangCompilationProvider(Language lang) {
+ return (lang == Language.SQLPP) ? new GraphixCompilationProvider() : null;
+ }
+
+ @Override
+ public ExtensionKind getExtensionKind() {
+ return ExtensionKind.LANG;
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixMetadataExtension.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixMetadataExtension.java
new file mode 100644
index 0000000..68df8b4
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixMetadataExtension.java
@@ -0,0 +1,142 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.extension;
+
+import java.rmi.RemoteException;
+import java.util.Collections;
+import java.util.List;
+
+import org.apache.asterix.common.api.ExtensionId;
+import org.apache.asterix.common.exceptions.ACIDException;
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.graphix.metadata.bootstrap.GraphixMetadataIndexes;
+import org.apache.asterix.graphix.metadata.bootstrap.GraphixMetadataRecordTypes;
+import org.apache.asterix.graphix.metadata.entities.Graph;
+import org.apache.asterix.metadata.MetadataManager;
+import org.apache.asterix.metadata.MetadataNode;
+import org.apache.asterix.metadata.MetadataTransactionContext;
+import org.apache.asterix.metadata.api.ExtensionMetadataDataset;
+import org.apache.asterix.metadata.api.ExtensionMetadataDatasetId;
+import org.apache.asterix.metadata.api.IExtensionMetadataSearchKey;
+import org.apache.asterix.metadata.api.IMetadataExtension;
+import org.apache.asterix.metadata.api.IMetadataIndex;
+import org.apache.asterix.metadata.bootstrap.MetadataBootstrap;
+import org.apache.asterix.metadata.entities.Datatype;
+import org.apache.asterix.metadata.entitytupletranslators.MetadataTupleTranslatorProvider;
+import org.apache.asterix.metadata.utils.MetadataConstants;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.api.application.INCServiceContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+
+public class GraphixMetadataExtension implements IMetadataExtension {
+ public static final ExtensionId GRAPHIX_METADATA_EXTENSION_ID =
+ new ExtensionId(GraphixMetadataExtension.class.getName(), 0);
+
+ public static Graph getGraph(MetadataTransactionContext mdTxnCtx, DataverseName dataverseName, String graphName)
+ throws AlgebricksException {
+ IExtensionMetadataSearchKey graphSearchKey = new IExtensionMetadataSearchKey() {
+ private static final long serialVersionUID = 1L;
+
+ @Override
+ public ExtensionMetadataDatasetId getDatasetId() {
+ return GraphixMetadataIndexes.GRAPH_METADATA_DATASET_EXTENSION_ID;
+ }
+
+ @Override
+ public ITupleReference getSearchKey() {
+ return MetadataNode.createTuple(dataverseName, graphName);
+ }
+ };
+ List<Graph> graphs = MetadataManager.INSTANCE.getEntities(mdTxnCtx, graphSearchKey);
+ return (graphs.isEmpty()) ? null : graphs.get(0);
+ }
+
+ public static List<Graph> getGraphs(MetadataTransactionContext mdTxnTtx, DataverseName dataverseName)
+ throws AlgebricksException {
+ IExtensionMetadataSearchKey graphDataverseSearchKey = new IExtensionMetadataSearchKey() {
+ private static final long serialVersionUID = 1L;
+
+ @Override
+ public ExtensionMetadataDatasetId getDatasetId() {
+ return GraphixMetadataIndexes.GRAPH_METADATA_DATASET_EXTENSION_ID;
+ }
+
+ @Override
+ public ITupleReference getSearchKey() {
+ return (dataverseName == null) ? null : MetadataNode.createTuple(dataverseName);
+ }
+ };
+ return MetadataManager.INSTANCE.getEntities(mdTxnTtx, graphDataverseSearchKey);
+ }
+
+ @Override
+ public ExtensionId getId() {
+ return GRAPHIX_METADATA_EXTENSION_ID;
+ }
+
+ @Override
+ public void configure(List<Pair<String, String>> args) {
+ // No (extra) configuration needed.
+ }
+
+ @Override
+ public MetadataTupleTranslatorProvider getMetadataTupleTranslatorProvider() {
+ return new MetadataTupleTranslatorProvider();
+ }
+
+ @SuppressWarnings("rawtypes")
+ @Override
+ public List<ExtensionMetadataDataset> getExtensionIndexes() {
+ try {
+ return Collections.singletonList(GraphixMetadataIndexes.GRAPH_DATASET);
+
+ } catch (Throwable th) {
+ th.printStackTrace();
+ throw th;
+ }
+ }
+
+ @Override
+ public void initializeMetadata(INCServiceContext appCtx)
+ throws HyracksDataException, RemoteException, ACIDException {
+ MetadataBootstrap.enlistMetadataDataset(appCtx, GraphixMetadataIndexes.GRAPH_DATASET);
+ if (MetadataBootstrap.isNewUniverse()) {
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ try {
+ // Insert our sole new metadata dataset (Graph).
+ MetadataBootstrap.insertMetadataDatasets(mdTxnCtx,
+ new IMetadataIndex[] { GraphixMetadataIndexes.GRAPH_DATASET });
+
+ // Insert our sole datatype (Graph).
+ MetadataManager.INSTANCE.addDatatype(mdTxnCtx,
+ new Datatype(MetadataConstants.METADATA_DATAVERSE_NAME,
+ GraphixMetadataRecordTypes.GRAPH_RECORDTYPE.getTypeName(),
+ GraphixMetadataRecordTypes.GRAPH_RECORDTYPE, false));
+
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+
+ } catch (Exception e) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ throw HyracksDataException.create(e);
+ }
+ }
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixQueryTranslatorExtension.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixQueryTranslatorExtension.java
new file mode 100644
index 0000000..b6f7753
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixQueryTranslatorExtension.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.extension;
+
+import java.util.List;
+
+import org.apache.asterix.app.cc.IStatementExecutorExtension;
+import org.apache.asterix.common.api.ExtensionId;
+import org.apache.asterix.graphix.app.translator.GraphixQueryTranslatorFactory;
+import org.apache.asterix.translator.IStatementExecutorFactory;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+
+public class GraphixQueryTranslatorExtension implements IStatementExecutorExtension {
+ public static final ExtensionId GRAPHIX_QUERY_TRANSLATOR_EXTENSION_ID =
+ new ExtensionId(GraphixQueryTranslatorExtension.class.getSimpleName(), 0);
+
+ private static final IStatementExecutorFactory INSTANCE = new GraphixQueryTranslatorFactory();
+
+ @Override
+ public ExtensionId getId() {
+ return GRAPHIX_QUERY_TRANSLATOR_EXTENSION_ID;
+ }
+
+ @Override
+ public void configure(List<Pair<String, String>> args) {
+ }
+
+ @Override
+ public IStatementExecutorFactory getQueryTranslatorFactory() {
+ return INSTANCE;
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/expression/GraphConstructor.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/expression/GraphConstructor.java
new file mode 100644
index 0000000..8ba4cea
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/expression/GraphConstructor.java
@@ -0,0 +1,238 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.expression;
+
+import java.util.List;
+
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.graphix.lang.rewrites.visitor.IGraphixLangVisitor;
+import org.apache.asterix.lang.common.base.AbstractExpression;
+import org.apache.asterix.lang.common.base.AbstractLangExpression;
+import org.apache.asterix.lang.common.base.Expression;
+import org.apache.asterix.lang.common.visitor.base.ILangVisitor;
+
+public class GraphConstructor extends AbstractExpression {
+ private final List<VertexElement> vertexElements;
+ private final List<EdgeElement> edgeElements;
+
+ public GraphConstructor(List<VertexElement> vertexElements, List<EdgeElement> edgeElements) {
+ this.vertexElements = vertexElements;
+ this.edgeElements = edgeElements;
+ }
+
+ public List<VertexElement> getVertexElements() {
+ return vertexElements;
+ }
+
+ public List<EdgeElement> getEdgeElements() {
+ return edgeElements;
+ }
+
+ @Override
+ public Kind getKind() {
+ return null;
+ }
+
+ @Override
+ public <R, T> R accept(ILangVisitor<R, T> visitor, T arg) throws CompilationException {
+ return ((IGraphixLangVisitor<R, T>) visitor).visit(this, arg);
+ }
+
+ @Override
+ public boolean equals(Object object) {
+ if (this == object) {
+ return true;
+ }
+ if (!(object instanceof GraphConstructor)) {
+ return false;
+ }
+ GraphConstructor that = (GraphConstructor) object;
+ return vertexElements.equals(that.vertexElements) && edgeElements.equals(that.edgeElements);
+ }
+
+ public static class VertexElement extends AbstractLangExpression {
+ private final List<Integer> primaryKeySourceIndicators;
+ private final List<List<String>> primaryKeyFields;
+ private final Expression expression;
+ private final String definition;
+ private final String label;
+
+ public VertexElement(String label, List<List<String>> primaryKeyFields,
+ List<Integer> primaryKeySourceIndicators, Expression expression, String definition) {
+ this.primaryKeySourceIndicators = primaryKeySourceIndicators;
+ this.primaryKeyFields = primaryKeyFields;
+ this.expression = expression;
+ this.definition = definition;
+ this.label = label;
+ }
+
+ public List<List<String>> getPrimaryKeyFields() {
+ return primaryKeyFields;
+ }
+
+ public List<Integer> getPrimaryKeySourceIndicators() {
+ return primaryKeySourceIndicators;
+ }
+
+ public Expression getExpression() {
+ return expression;
+ }
+
+ public String getDefinition() {
+ return definition;
+ }
+
+ public String getLabel() {
+ return label;
+ }
+
+ @Override
+ public String toString() {
+ return "(:" + label + ") AS " + definition;
+ }
+
+ @Override
+ public <R, T> R accept(ILangVisitor<R, T> visitor, T arg) throws CompilationException {
+ return ((IGraphixLangVisitor<R, T>) visitor).visit(this, arg);
+ }
+
+ @Override
+ public boolean equals(Object object) {
+ if (this == object) {
+ return true;
+ }
+ if (!(object instanceof VertexElement)) {
+ return false;
+ }
+ VertexElement that = (VertexElement) object;
+ return primaryKeySourceIndicators.equals(that.primaryKeySourceIndicators)
+ && primaryKeyFields.equals(that.primaryKeyFields) && expression.equals(that.expression)
+ && definition.equals(that.definition) && label.equals(that.label);
+ }
+ }
+
+ public static class EdgeElement extends AbstractLangExpression {
+ private final List<Integer> destinationKeySourceIndicators;
+ private final List<Integer> sourceKeySourceIndicators;
+ private final List<Integer> primaryKeySourceIndicators;
+
+ private final List<List<String>> destinationKeyFields;
+ private final List<List<String>> sourceKeyFields;
+ private final List<List<String>> primaryKeyFields;
+
+ private final String destinationLabel, edgeLabel, sourceLabel;
+ private final Expression expression;
+ private final String definition;
+
+ public EdgeElement(String edgeLabel, String destinationLabel, String sourceLabel,
+ List<List<String>> primaryKeyFields, List<Integer> primaryKeySourceIndicators,
+ List<List<String>> destinationKeyFields, List<Integer> destinationKeySourceIndicators,
+ List<List<String>> sourceKeyFields, List<Integer> sourceKeySourceIndicators, Expression expression,
+ String definition) {
+ this.destinationKeySourceIndicators = destinationKeySourceIndicators;
+ this.sourceKeySourceIndicators = sourceKeySourceIndicators;
+ this.primaryKeySourceIndicators = primaryKeySourceIndicators;
+ this.destinationKeyFields = destinationKeyFields;
+ this.sourceKeyFields = sourceKeyFields;
+ this.primaryKeyFields = primaryKeyFields;
+ this.destinationLabel = destinationLabel;
+ this.edgeLabel = edgeLabel;
+ this.sourceLabel = sourceLabel;
+ this.expression = expression;
+ this.definition = definition;
+ }
+
+ public List<Integer> getDestinationKeySourceIndicators() {
+ return destinationKeySourceIndicators;
+ }
+
+ public List<Integer> getSourceKeySourceIndicators() {
+ return sourceKeySourceIndicators;
+ }
+
+ public List<Integer> getPrimaryKeySourceIndicators() {
+ return primaryKeySourceIndicators;
+ }
+
+ public List<List<String>> getDestinationKeyFields() {
+ return destinationKeyFields;
+ }
+
+ public List<List<String>> getSourceKeyFields() {
+ return sourceKeyFields;
+ }
+
+ public List<List<String>> getPrimaryKeyFields() {
+ return primaryKeyFields;
+ }
+
+ public String getDestinationLabel() {
+ return destinationLabel;
+ }
+
+ public String getEdgeLabel() {
+ return edgeLabel;
+ }
+
+ public String getSourceLabel() {
+ return sourceLabel;
+ }
+
+ public Expression getExpression() {
+ return expression;
+ }
+
+ public String getDefinition() {
+ return definition;
+ }
+
+ @Override
+ public String toString() {
+ String edgeBodyPattern = "[:" + edgeLabel + "]";
+ String sourceNodePattern = "(:" + sourceLabel + ")";
+ String destinationNodePattern = "(:" + destinationLabel + ")";
+ String edgePattern = sourceNodePattern + "-" + edgeBodyPattern + "->" + destinationNodePattern;
+ return (definition == null) ? edgePattern : (edgePattern + " AS " + definition);
+ }
+
+ @Override
+ public <R, T> R accept(ILangVisitor<R, T> visitor, T arg) throws CompilationException {
+ return ((IGraphixLangVisitor<R, T>) visitor).visit(this, arg);
+ }
+
+ @Override
+ public boolean equals(Object object) {
+ if (this == object) {
+ return true;
+ }
+ if (!(object instanceof EdgeElement)) {
+ return false;
+ }
+ EdgeElement that = (EdgeElement) object;
+ return destinationKeySourceIndicators.equals(that.destinationKeySourceIndicators)
+ && sourceKeySourceIndicators.equals(that.sourceKeySourceIndicators)
+ && primaryKeySourceIndicators.equals(that.primaryKeySourceIndicators)
+ && destinationKeyFields.equals(that.destinationKeyFields)
+ && sourceKeyFields.equals(that.sourceKeyFields) && primaryKeyFields.equals(that.primaryKeyFields)
+ && destinationLabel.equals(that.destinationLabel) && edgeLabel.equals(that.edgeLabel)
+ && sourceLabel.equals(that.sourceLabel) && expression.equals(that.expression)
+ && definition.equals(that.definition);
+ }
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/expression/GraphElementExpr.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/expression/GraphElementExpr.java
new file mode 100644
index 0000000..11c1e34
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/expression/GraphElementExpr.java
@@ -0,0 +1,58 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.expression;
+
+import java.util.Collections;
+
+import org.apache.asterix.common.functions.FunctionConstants;
+import org.apache.asterix.common.functions.FunctionSignature;
+import org.apache.asterix.graphix.common.metadata.GraphElementIdentifier;
+import org.apache.asterix.graphix.common.metadata.GraphIdentifier;
+import org.apache.asterix.graphix.lang.statement.GraphElementDecl;
+import org.apache.asterix.lang.common.expression.CallExpr;
+import org.apache.asterix.lang.common.statement.Query;
+import org.apache.asterix.lang.common.util.ExpressionUtils;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+
+public class GraphElementExpr extends CallExpr {
+ public static final String GRAPH_ELEMENT_FUNCTION_NAME = "graph-element";
+ public static final FunctionIdentifier GRAPH_ELEMENT_FUNCTION_ID =
+ new FunctionIdentifier(FunctionConstants.ASTERIX_NS, GRAPH_ELEMENT_FUNCTION_NAME, 5);
+
+ // A graph element is uniquely identified by its identifier.
+ private final GraphElementIdentifier identifier;
+
+ public GraphElementExpr(GraphElementIdentifier identifier) {
+ super(new FunctionSignature(GRAPH_ELEMENT_FUNCTION_ID), Collections.emptyList(), null);
+ this.identifier = identifier;
+ }
+
+ public GraphElementIdentifier getIdentifier() {
+ return identifier;
+ }
+
+ public GraphIdentifier getGraphIdentifier() {
+ return identifier.getGraphIdentifier();
+ }
+
+ public static Query createGraphElementAccessorQuery(GraphElementDecl graphElementDecl) {
+ GraphElementExpr functionCall = new GraphElementExpr(graphElementDecl.getIdentifier());
+ return ExpressionUtils.createWrappedQuery(functionCall, graphElementDecl.getSourceLocation());
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/parser/GraphElementBodyParser.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/parser/GraphElementBodyParser.java
new file mode 100644
index 0000000..b1337b7
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/parser/GraphElementBodyParser.java
@@ -0,0 +1,56 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.parser;
+
+import java.io.StringReader;
+import java.util.Objects;
+
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.graphix.lang.statement.GraphElementDecl;
+import org.apache.asterix.graphix.metadata.entities.Graph;
+import org.apache.hyracks.api.exceptions.IWarningCollector;
+
+public final class GraphElementBodyParser {
+ // Just a wrapper for the parseGraphElementBody method.
+ public static GraphElementDecl parse(Graph.Element element, GraphixParserFactory parserFactory,
+ IWarningCollector warningCollector) throws CompilationException {
+ GraphElementDecl graphElementDecl = null;
+ for (String definition : element.getDefinitions()) {
+ if (Objects.equals(definition, "")) {
+ continue;
+ }
+ GraphixParser parser = (GraphixParser) parserFactory.createParser(new StringReader(definition));
+ GraphElementDecl parsedElementDecl = parser.parseGraphElementBody(element.getIdentifier());
+
+ // Accumulate the element bodies.
+ if (graphElementDecl == null) {
+ graphElementDecl = parsedElementDecl;
+
+ } else {
+ graphElementDecl.getBodies().add(parsedElementDecl.getBodies().get(0));
+ }
+
+ // Gather any warnings.
+ if (warningCollector != null) {
+ parser.getWarnings(warningCollector);
+ }
+ }
+ return graphElementDecl;
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/parser/GraphixParserFactory.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/parser/GraphixParserFactory.java
new file mode 100644
index 0000000..ab97d6a
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/parser/GraphixParserFactory.java
@@ -0,0 +1,36 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.parser;
+
+import java.io.Reader;
+
+import org.apache.asterix.lang.common.base.IParser;
+import org.apache.asterix.lang.sqlpp.parser.SqlppParserFactory;
+
+public class GraphixParserFactory extends SqlppParserFactory {
+ @Override
+ public IParser createParser(String query) {
+ return new GraphixParser(query);
+ }
+
+ @Override
+ public IParser createParser(Reader reader) {
+ return new GraphixParser(reader);
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixQueryRewriter.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixQueryRewriter.java
new file mode 100644
index 0000000..9e88251
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixQueryRewriter.java
@@ -0,0 +1,186 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.rewrites;
+
+import java.util.ArrayDeque;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Deque;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.common.exceptions.ErrorCode;
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.graphix.common.metadata.GraphElementIdentifier;
+import org.apache.asterix.graphix.common.metadata.GraphIdentifier;
+import org.apache.asterix.graphix.extension.GraphixMetadataExtension;
+import org.apache.asterix.graphix.lang.expression.GraphElementExpr;
+import org.apache.asterix.graphix.lang.parser.GraphElementBodyParser;
+import org.apache.asterix.graphix.lang.parser.GraphixParserFactory;
+import org.apache.asterix.graphix.lang.statement.GraphElementDecl;
+import org.apache.asterix.graphix.metadata.entities.Graph;
+import org.apache.asterix.lang.common.base.Expression;
+import org.apache.asterix.lang.common.base.IParserFactory;
+import org.apache.asterix.lang.common.base.IReturningStatement;
+import org.apache.asterix.lang.common.expression.AbstractCallExpression;
+import org.apache.asterix.lang.common.statement.Query;
+import org.apache.asterix.lang.common.struct.VarIdentifier;
+import org.apache.asterix.lang.common.util.ExpressionUtils;
+import org.apache.asterix.lang.sqlpp.rewrites.SqlppQueryRewriter;
+import org.apache.asterix.lang.sqlpp.rewrites.visitor.SqlppGatherFunctionCallsVisitor;
+import org.apache.asterix.metadata.entities.Dataverse;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.api.exceptions.SourceLocation;
+
+public class GraphixQueryRewriter extends SqlppQueryRewriter {
+ private final GraphixParserFactory parserFactory;
+ private final SqlppQueryRewriter bodyRewriter;
+
+ public GraphixQueryRewriter(IParserFactory parserFactory) {
+ super(parserFactory);
+
+ // We can safely downcast to our specific parser factory here.
+ this.parserFactory = (GraphixParserFactory) parserFactory;
+ this.bodyRewriter = new SqlppQueryRewriter(parserFactory);
+ }
+
+ public void rewrite(GraphixRewritingContext rewriteContext, IReturningStatement topStatement,
+ boolean allowNonStoredUdfCalls, boolean inlineUdfsAndViews, Collection<VarIdentifier> externalVars)
+ throws CompilationException {
+ // Get the graph elements in the top statement.
+ Map<GraphElementIdentifier, GraphElementDecl> graphElements =
+ loadNormalizedGraphElements(rewriteContext, topStatement);
+
+ // Perform the remainder of our rewrites in our parent.
+ super.rewrite(rewriteContext.getLangRewritingContext(), topStatement, allowNonStoredUdfCalls,
+ inlineUdfsAndViews, externalVars);
+ }
+
+ public Map<GraphElementIdentifier, GraphElementDecl> loadNormalizedGraphElements(
+ GraphixRewritingContext rewriteContext, IReturningStatement topExpr) throws CompilationException {
+ Map<GraphElementIdentifier, GraphElementDecl> graphElements = new HashMap<>();
+
+ // Gather all function calls.
+ Deque<AbstractCallExpression> workQueue = new ArrayDeque<>();
+ SqlppGatherFunctionCallsVisitor callVisitor = new SqlppGatherFunctionCallsVisitor(workQueue);
+ for (Expression expr : topExpr.getDirectlyEnclosedExpressions()) {
+ expr.accept(callVisitor, null);
+ }
+
+ AbstractCallExpression fnCall;
+ while ((fnCall = workQueue.poll()) != null) {
+ // Load only the graph element declarations (we will load the rest of the elements in the parent).
+ if (!fnCall.getKind().equals(Expression.Kind.CALL_EXPRESSION)
+ || !fnCall.getFunctionSignature().getName().equals(GraphElementExpr.GRAPH_ELEMENT_FUNCTION_NAME)) {
+ continue;
+ }
+ GraphElementExpr graphElementExpr = (GraphElementExpr) fnCall;
+ GraphElementIdentifier identifier = graphElementExpr.getIdentifier();
+ if (!graphElements.containsKey(identifier)) {
+
+ // First, check if we have already loaded this graph element.
+ GraphElementDecl elementDecl = rewriteContext.getDeclaredGraphElements().get(identifier);
+
+ // If we cannot find the graph element in our context, search our metadata.
+ if (elementDecl == null) {
+ GraphIdentifier graphIdentifier = identifier.getGraphIdentifier();
+ Graph graph;
+ try {
+ graph = GraphixMetadataExtension.getGraph(
+ rewriteContext.getMetadataProvider().getMetadataTxnContext(),
+ graphIdentifier.getDataverseName(), graphIdentifier.getGraphName());
+
+ } catch (AlgebricksException e) {
+ throw new CompilationException(ErrorCode.COMPILATION_ERROR,
+ graphElementExpr.getSourceLocation(),
+ "Graph " + graphIdentifier.getGraphName() + " does not exist.");
+ }
+
+ // Parse our graph element.
+ if (graph == null) {
+ throw new CompilationException(ErrorCode.COMPILATION_ERROR,
+ graphElementExpr.getSourceLocation(),
+ "Graph " + graphIdentifier.getGraphName() + " does not exist.");
+ }
+ Graph.Element element = graph.getGraphSchema().getElement(identifier);
+ elementDecl = GraphElementBodyParser.parse(element, parserFactory,
+ rewriteContext.getLangRewritingContext().getWarningCollector());
+ }
+
+ // Get our normalized element bodies.
+ List<Expression> normalizedBodies = elementDecl.getNormalizedBodies();
+ if (normalizedBodies.size() != elementDecl.getBodies().size()) {
+ GraphIdentifier graphIdentifier = elementDecl.getGraphIdentifier();
+ for (Expression body : elementDecl.getBodies()) {
+ Expression normalizedBody =
+ rewriteGraphElementBody(rewriteContext, graphIdentifier.getDataverseName(), body,
+ Collections.emptyList(), elementDecl.getSourceLocation());
+ normalizedBodies.add(normalizedBody);
+ }
+ }
+
+ // Store the element declaration in our map, and iterate over this body.
+ graphElements.put(identifier, elementDecl);
+ for (Expression e : elementDecl.getNormalizedBodies()) {
+ e.accept(callVisitor, null);
+ }
+ }
+ }
+
+ return graphElements;
+ }
+
+ private Expression rewriteGraphElementBody(GraphixRewritingContext rewriteContext, DataverseName elementDataverse,
+ Expression bodyExpr, List<VarIdentifier> externalVars, SourceLocation sourceLoc)
+ throws CompilationException {
+ Dataverse defaultDataverse = rewriteContext.getMetadataProvider().getDefaultDataverse();
+ Dataverse targetDataverse;
+
+ // We might need to change our dataverse, if the element definition requires a different one.
+ if (elementDataverse.equals(defaultDataverse.getDataverseName())) {
+ targetDataverse = defaultDataverse;
+
+ } else {
+ try {
+ targetDataverse = rewriteContext.getMetadataProvider().findDataverse(elementDataverse);
+
+ } catch (AlgebricksException e) {
+ throw new CompilationException(ErrorCode.UNKNOWN_DATAVERSE, e, sourceLoc, elementDataverse);
+ }
+ }
+ rewriteContext.getMetadataProvider().setDefaultDataverse(targetDataverse);
+
+ // Get the body of the rewritten query.
+ try {
+ Query wrappedQuery = ExpressionUtils.createWrappedQuery(bodyExpr, sourceLoc);
+ bodyRewriter.rewrite(rewriteContext.getLangRewritingContext(), wrappedQuery, false, false, externalVars);
+ return wrappedQuery.getBody();
+
+ } catch (CompilationException e) {
+ throw new CompilationException(ErrorCode.COMPILATION_ERROR, bodyExpr.getSourceLocation(),
+ "Bad definition for a graph element: " + e.getMessage());
+
+ } finally {
+ // Switch back to the working dataverse.
+ rewriteContext.getMetadataProvider().setDefaultDataverse(defaultDataverse);
+ }
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixRewriterFactory.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixRewriterFactory.java
new file mode 100644
index 0000000..6b1cf30
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixRewriterFactory.java
@@ -0,0 +1,40 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.rewrites;
+
+import org.apache.asterix.graphix.lang.parser.GraphixParserFactory;
+import org.apache.asterix.lang.common.base.IParserFactory;
+import org.apache.asterix.lang.common.base.IQueryRewriter;
+import org.apache.asterix.lang.sqlpp.rewrites.SqlppRewriterFactory;
+
+public class GraphixRewriterFactory extends SqlppRewriterFactory {
+ private final GraphixParserFactory parserFactory;
+
+ public GraphixRewriterFactory(IParserFactory parserFactory) {
+ super(parserFactory);
+
+ // We can safely downcast the parser factory here.
+ this.parserFactory = (GraphixParserFactory) parserFactory;
+ }
+
+ @Override
+ public IQueryRewriter createQueryRewriter() {
+ return new GraphixQueryRewriter(parserFactory);
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixRewritingContext.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixRewritingContext.java
new file mode 100644
index 0000000..e62d337
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixRewritingContext.java
@@ -0,0 +1,58 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.rewrites;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.asterix.graphix.common.metadata.GraphElementIdentifier;
+import org.apache.asterix.graphix.lang.statement.GraphElementDecl;
+import org.apache.asterix.lang.common.rewrites.LangRewritingContext;
+import org.apache.asterix.lang.common.statement.FunctionDecl;
+import org.apache.asterix.lang.common.statement.ViewDecl;
+import org.apache.asterix.metadata.declared.MetadataProvider;
+import org.apache.hyracks.api.exceptions.IWarningCollector;
+
+public class GraphixRewritingContext {
+ private final Map<GraphElementIdentifier, GraphElementDecl> graphElementDeclMap = new HashMap<>();
+ private final LangRewritingContext langRewritingContext;
+
+ public GraphixRewritingContext(MetadataProvider metadataProvider, List<FunctionDecl> declaredFunctions,
+ List<ViewDecl> declaredViews, List<GraphElementDecl> declaredGraphElements,
+ IWarningCollector warningCollector, int varCounter) {
+ if (declaredGraphElements != null) {
+ declaredGraphElements.forEach(e -> graphElementDeclMap.put(e.getIdentifier(), e));
+ }
+ langRewritingContext = new LangRewritingContext(metadataProvider, declaredFunctions, declaredViews,
+ warningCollector, varCounter);
+ }
+
+ public Map<GraphElementIdentifier, GraphElementDecl> getDeclaredGraphElements() {
+ return graphElementDeclMap;
+ }
+
+ public LangRewritingContext getLangRewritingContext() {
+ return langRewritingContext;
+ }
+
+ public MetadataProvider getMetadataProvider() {
+ return langRewritingContext.getMetadataProvider();
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/visitor/IGraphixLangVisitor.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/visitor/IGraphixLangVisitor.java
new file mode 100644
index 0000000..2b41511
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/visitor/IGraphixLangVisitor.java
@@ -0,0 +1,40 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.rewrites.visitor;
+
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.graphix.lang.expression.GraphConstructor;
+import org.apache.asterix.graphix.lang.statement.CreateGraphStatement;
+import org.apache.asterix.graphix.lang.statement.GraphDropStatement;
+import org.apache.asterix.graphix.lang.statement.GraphElementDecl;
+import org.apache.asterix.lang.common.visitor.base.ILangVisitor;
+
+public interface IGraphixLangVisitor<R, T> extends ILangVisitor<R, T> {
+ R visit(GraphConstructor gc, T arg) throws CompilationException;
+
+ R visit(GraphConstructor.VertexElement ve, T arg) throws CompilationException;
+
+ R visit(GraphConstructor.EdgeElement ee, T arg) throws CompilationException;
+
+ R visit(CreateGraphStatement cgs, T arg) throws CompilationException;
+
+ R visit(GraphElementDecl gel, T arg) throws CompilationException;
+
+ R visit(GraphDropStatement gds, T arg) throws CompilationException;
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/CreateGraphStatement.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/CreateGraphStatement.java
new file mode 100644
index 0000000..866e2f2
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/CreateGraphStatement.java
@@ -0,0 +1,110 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.statement;
+
+import java.util.List;
+
+import org.apache.asterix.algebra.extension.ExtensionStatement;
+import org.apache.asterix.app.translator.QueryTranslator;
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.graphix.lang.expression.GraphConstructor;
+import org.apache.asterix.graphix.lang.rewrites.visitor.IGraphixLangVisitor;
+import org.apache.asterix.graphix.lang.util.GraphStatementHandlingUtil;
+import org.apache.asterix.lang.common.visitor.base.ILangVisitor;
+import org.apache.asterix.metadata.declared.MetadataProvider;
+import org.apache.asterix.translator.IRequestParameters;
+import org.apache.asterix.translator.IStatementExecutor;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class CreateGraphStatement extends ExtensionStatement {
+ private final GraphConstructor graphConstructor;
+ private final DataverseName dataverseName;
+ private final String graphName;
+ private final boolean replaceIfExists;
+ private final boolean ifNotExists;
+
+ public CreateGraphStatement(DataverseName dataverseName, String graphName, boolean replaceIfExists,
+ boolean ifNotExists, GraphConstructor graphConstructor) {
+ this.dataverseName = dataverseName;
+ this.graphName = graphName;
+ this.replaceIfExists = replaceIfExists;
+ this.ifNotExists = ifNotExists;
+ this.graphConstructor = graphConstructor;
+ }
+
+ public DataverseName getDataverseName() {
+ return dataverseName;
+ }
+
+ public String getGraphName() {
+ return graphName;
+ }
+
+ public boolean isReplaceIfExists() {
+ return replaceIfExists;
+ }
+
+ public boolean isIfNotExists() {
+ return ifNotExists;
+ }
+
+ public List<GraphConstructor.VertexElement> getVertexElements() {
+ return graphConstructor.getVertexElements();
+ }
+
+ public List<GraphConstructor.EdgeElement> getEdgeElements() {
+ return graphConstructor.getEdgeElements();
+ }
+
+ @Override
+ public <R, T> R accept(ILangVisitor<R, T> visitor, T arg) throws CompilationException {
+ return ((IGraphixLangVisitor<R, T>) visitor).visit(this, arg);
+ }
+
+ @Override
+ public byte getCategory() {
+ return Category.DDL;
+ }
+
+ @Override
+ public String getName() {
+ return CreateGraphStatement.class.getName();
+ }
+
+ @Override
+ public void handle(IHyracksClientConnection hcc, IStatementExecutor statementExecutor,
+ IRequestParameters requestParameters, MetadataProvider metadataProvider, int resultSetId) throws Exception {
+ metadataProvider.validateDatabaseObjectName(dataverseName, graphName, this.getSourceLocation());
+ DataverseName activeDataverseName = statementExecutor.getActiveDataverseName(this.dataverseName);
+ GraphStatementHandlingUtil.acquireGraphWriteLocks(metadataProvider, activeDataverseName, graphName);
+ try {
+ GraphStatementHandlingUtil.handleCreateGraph(this, metadataProvider, statementExecutor,
+ activeDataverseName);
+
+ } catch (Exception e) {
+ QueryTranslator.abort(e, e, metadataProvider.getMetadataTxnContext());
+ throw HyracksDataException.create(e);
+
+ } finally {
+ metadataProvider.getLocks().unlock();
+ }
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/GraphDropStatement.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/GraphDropStatement.java
new file mode 100644
index 0000000..e9e8255
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/GraphDropStatement.java
@@ -0,0 +1,90 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.statement;
+
+import org.apache.asterix.algebra.extension.ExtensionStatement;
+import org.apache.asterix.app.translator.QueryTranslator;
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.graphix.lang.rewrites.visitor.IGraphixLangVisitor;
+import org.apache.asterix.graphix.lang.util.GraphStatementHandlingUtil;
+import org.apache.asterix.lang.common.visitor.base.ILangVisitor;
+import org.apache.asterix.metadata.declared.MetadataProvider;
+import org.apache.asterix.translator.IRequestParameters;
+import org.apache.asterix.translator.IStatementExecutor;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class GraphDropStatement extends ExtensionStatement {
+ private final DataverseName dataverseName;
+ private final String graphName;
+ private final boolean ifExists;
+
+ public GraphDropStatement(DataverseName dataverseName, String graphName, boolean ifExists) {
+ this.dataverseName = dataverseName;
+ this.graphName = graphName;
+ this.ifExists = ifExists;
+ }
+
+ public DataverseName getDataverseName() {
+ return dataverseName;
+ }
+
+ public String getGraphName() {
+ return graphName;
+ }
+
+ public boolean getIfExists() {
+ return ifExists;
+ }
+
+ @Override
+ public byte getCategory() {
+ return Category.DDL;
+ }
+
+ @Override
+ public <R, T> R accept(ILangVisitor<R, T> visitor, T arg) throws CompilationException {
+ return ((IGraphixLangVisitor<R, T>) visitor).visit(this, arg);
+ }
+
+ @Override
+ public String getName() {
+ return GraphDropStatement.class.getName();
+ }
+
+ @Override
+ public void handle(IHyracksClientConnection hcc, IStatementExecutor statementExecutor,
+ IRequestParameters requestParameters, MetadataProvider metadataProvider, int resultSetId) throws Exception {
+ metadataProvider.validateDatabaseObjectName(dataverseName, graphName, this.getSourceLocation());
+ DataverseName activeDataverseName = statementExecutor.getActiveDataverseName(this.dataverseName);
+ GraphStatementHandlingUtil.acquireGraphWriteLocks(metadataProvider, activeDataverseName, graphName);
+ try {
+ // TODO (GLENN): Determine how to handle functions and views that depend on graphs.
+ GraphStatementHandlingUtil.handleGraphDrop(this, metadataProvider, activeDataverseName);
+
+ } catch (Exception e) {
+ QueryTranslator.abort(e, e, metadataProvider.getMetadataTxnContext());
+ throw HyracksDataException.create(e);
+
+ } finally {
+ metadataProvider.getLocks().unlock();
+ }
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/GraphElementDecl.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/GraphElementDecl.java
new file mode 100644
index 0000000..c5e87de
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/GraphElementDecl.java
@@ -0,0 +1,85 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.statement;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
+import org.apache.asterix.algebra.extension.ExtensionStatement;
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.common.exceptions.ErrorCode;
+import org.apache.asterix.graphix.common.metadata.GraphElementIdentifier;
+import org.apache.asterix.graphix.common.metadata.GraphIdentifier;
+import org.apache.asterix.graphix.lang.rewrites.visitor.IGraphixLangVisitor;
+import org.apache.asterix.lang.common.base.Expression;
+import org.apache.asterix.lang.common.visitor.base.ILangVisitor;
+import org.apache.asterix.metadata.declared.MetadataProvider;
+import org.apache.asterix.translator.IRequestParameters;
+import org.apache.asterix.translator.IStatementExecutor;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+
+public final class GraphElementDecl extends ExtensionStatement {
+ private final GraphElementIdentifier identifier;
+ private final List<Expression> bodies = new ArrayList<>();
+ private final List<Expression> normalizedBodies = new ArrayList<>();
+
+ public GraphElementDecl(GraphElementIdentifier identifier, Expression body) {
+ this.identifier = Objects.requireNonNull(identifier);
+ this.bodies.add(Objects.requireNonNull(body));
+ }
+
+ public GraphElementIdentifier getIdentifier() {
+ return identifier;
+ }
+
+ public GraphIdentifier getGraphIdentifier() {
+ return identifier.getGraphIdentifier();
+ }
+
+ public List<Expression> getBodies() {
+ return bodies;
+ }
+
+ public List<Expression> getNormalizedBodies() {
+ return normalizedBodies;
+ }
+
+ @Override
+ public byte getCategory() {
+ return Category.QUERY;
+ }
+
+ @Override
+ public <R, T> R accept(ILangVisitor<R, T> visitor, T arg) throws CompilationException {
+ return ((IGraphixLangVisitor<R, T>) visitor).visit(this, arg);
+ }
+
+ @Override
+ public String getName() {
+ return GraphElementDecl.class.getName();
+ }
+
+ @Override
+ public void handle(IHyracksClientConnection hcc, IStatementExecutor statementExecutor,
+ IRequestParameters requestParameters, MetadataProvider metadataProvider, int resultSetId) throws Exception {
+ throw new CompilationException(ErrorCode.COMPILATION_ILLEGAL_STATE, getSourceLocation(),
+ "Handling a GraphElementDecl (this should not be possible).");
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/util/GraphStatementHandlingUtil.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/util/GraphStatementHandlingUtil.java
new file mode 100644
index 0000000..1d7d0da
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/util/GraphStatementHandlingUtil.java
@@ -0,0 +1,226 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.util;
+
+import java.rmi.RemoteException;
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+import org.apache.asterix.common.api.IMetadataLockManager;
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.common.exceptions.ErrorCode;
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.graphix.app.translator.GraphixQueryTranslator;
+import org.apache.asterix.graphix.common.metadata.GraphElementIdentifier;
+import org.apache.asterix.graphix.common.metadata.GraphIdentifier;
+import org.apache.asterix.graphix.extension.GraphixMetadataExtension;
+import org.apache.asterix.graphix.lang.expression.GraphConstructor;
+import org.apache.asterix.graphix.lang.rewrites.GraphixQueryRewriter;
+import org.apache.asterix.graphix.lang.statement.CreateGraphStatement;
+import org.apache.asterix.graphix.lang.statement.GraphDropStatement;
+import org.apache.asterix.graphix.lang.statement.GraphElementDecl;
+import org.apache.asterix.graphix.metadata.entities.Graph;
+import org.apache.asterix.graphix.metadata.entities.GraphDependencies;
+import org.apache.asterix.lang.common.base.Expression;
+import org.apache.asterix.metadata.MetadataManager;
+import org.apache.asterix.metadata.MetadataTransactionContext;
+import org.apache.asterix.metadata.declared.MetadataProvider;
+import org.apache.asterix.metadata.entities.Dataverse;
+import org.apache.asterix.translator.IStatementExecutor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+
+public final class GraphStatementHandlingUtil {
+ public static void acquireGraphWriteLocks(MetadataProvider metadataProvider, DataverseName activeDataverseName,
+ String graphName) throws AlgebricksException {
+ // Acquire a READ lock on our dataverse and a WRITE lock on our graph.
+ IMetadataLockManager metadataLockManager = metadataProvider.getApplicationContext().getMetadataLockManager();
+ metadataLockManager.acquireDataverseReadLock(metadataProvider.getLocks(), activeDataverseName);
+ metadataLockManager.acquireExtensionEntityWriteLock(metadataProvider.getLocks(),
+ GraphixMetadataExtension.GRAPHIX_METADATA_EXTENSION_ID.getName(), activeDataverseName, graphName);
+ }
+
+ public static void handleCreateGraph(CreateGraphStatement cgs, MetadataProvider metadataProvider,
+ IStatementExecutor statementExecutor, DataverseName activeDataverseName) throws Exception {
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+
+ // Ensure that our active dataverse exists.
+ Dataverse dv = MetadataManager.INSTANCE.getDataverse(mdTxnCtx, activeDataverseName);
+ if (dv == null) {
+ throw new CompilationException(ErrorCode.UNKNOWN_DATAVERSE, cgs.getSourceLocation(), activeDataverseName);
+ }
+
+ // If a graph already exists, skip.
+ Graph existingGraph = GraphixMetadataExtension.getGraph(mdTxnCtx, activeDataverseName, cgs.getGraphName());
+ if (existingGraph != null) {
+ if (cgs.isIfNotExists()) {
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ return;
+
+ } else if (!cgs.isReplaceIfExists()) {
+ throw new CompilationException(ErrorCode.COMPILATION_ERROR, cgs.getSourceLocation(),
+ "Graph " + existingGraph.getGraphName() + " already exists.");
+ }
+ }
+
+ // Build the graph schema.
+ GraphIdentifier graphIdentifier = new GraphIdentifier(activeDataverseName, cgs.getGraphName());
+ Graph.Schema.Builder schemaBuilder = new Graph.Schema.Builder(graphIdentifier);
+ Map<GraphElementIdentifier, GraphElementDecl> graphElementDecls = new LinkedHashMap<>();
+ for (GraphConstructor.VertexElement vertex : cgs.getVertexElements()) {
+ Graph.Vertex schemaVertex =
+ schemaBuilder.addVertex(vertex.getLabel(), vertex.getPrimaryKeyFields(), vertex.getDefinition());
+ switch (schemaBuilder.getLastError()) {
+ case NO_ERROR:
+ GraphElementIdentifier id = schemaVertex.getIdentifier();
+ if (graphElementDecls.containsKey(id)) {
+ graphElementDecls.get(id).getBodies().add(vertex.getExpression());
+
+ } else {
+ GraphElementDecl decl = new GraphElementDecl(id, vertex.getExpression());
+ decl.setSourceLocation(vertex.getSourceLocation());
+ graphElementDecls.put(schemaVertex.getIdentifier(), decl);
+ }
+ break;
+
+ case CONFLICTING_PRIMARY_KEY:
+ throw new CompilationException(ErrorCode.COMPILATION_ERROR, vertex.getSourceLocation(),
+ "Conflicting primary keys for vertices with label " + vertex.getLabel());
+
+ default:
+ throw new CompilationException(ErrorCode.COMPILATION_ILLEGAL_STATE, vertex.getSourceLocation(),
+ "Schema vertex was not returned, but the error is not a conflicting primary key!");
+ }
+ }
+ for (GraphConstructor.EdgeElement edge : cgs.getEdgeElements()) {
+ Graph.Edge schemaEdge;
+ if (edge.getDefinition() == null) {
+ schemaEdge = schemaBuilder.addEdge(edge.getEdgeLabel(), edge.getDestinationLabel(),
+ edge.getSourceLabel(), edge.getDestinationKeyFields());
+
+ } else {
+ schemaEdge = schemaBuilder.addEdge(edge.getEdgeLabel(), edge.getDestinationLabel(),
+ edge.getSourceLabel(), edge.getPrimaryKeyFields(), edge.getDestinationKeyFields(),
+ edge.getSourceKeyFields(), edge.getDefinition());
+ }
+
+ switch (schemaBuilder.getLastError()) {
+ case NO_ERROR:
+ if (edge.getDefinition() != null) {
+ GraphElementIdentifier id = schemaEdge.getIdentifier();
+ if (graphElementDecls.containsKey(id)) {
+ graphElementDecls.get(id).getBodies().add(edge.getExpression());
+
+ } else {
+ GraphElementDecl decl = new GraphElementDecl(id, edge.getExpression());
+ decl.setSourceLocation(edge.getSourceLocation());
+ graphElementDecls.put(id, decl);
+ }
+ }
+ break;
+
+ case SOURCE_VERTEX_NOT_FOUND:
+ throw new CompilationException(ErrorCode.COMPILATION_ERROR, edge.getSourceLocation(),
+ "Source vertex " + edge.getSourceLabel() + " not found in the edge " + edge.getEdgeLabel()
+ + ".");
+
+ case DESTINATION_VERTEX_NOT_FOUND:
+ throw new CompilationException(ErrorCode.COMPILATION_ERROR, edge.getSourceLocation(),
+ "Destination vertex " + edge.getDestinationLabel() + " not found in the edge "
+ + edge.getEdgeLabel() + ".");
+
+ case CONFLICTING_PRIMARY_KEY:
+ case CONFLICTING_SOURCE_VERTEX:
+ case CONFLICTING_DESTINATION_VERTEX:
+ throw new CompilationException(ErrorCode.COMPILATION_ERROR, edge.getSourceLocation(),
+ "Conflicting edge with the same label found: " + edge.getEdgeLabel());
+
+ default:
+ throw new CompilationException(ErrorCode.COMPILATION_ILLEGAL_STATE, edge.getSourceLocation(),
+ "Schema edge was not returned, and an unexpected error encountered");
+ }
+ }
+
+ // Verify that each element definition is usable.
+ GraphixQueryRewriter graphixQueryRewriter = ((GraphixQueryTranslator) statementExecutor).getQueryRewriter();
+ metadataProvider.setDefaultDataverse(dv);
+ for (GraphElementDecl graphElementDecl : graphElementDecls.values()) {
+ ((GraphixQueryTranslator) statementExecutor).setGraphElementNormalizedBody(metadataProvider,
+ graphElementDecl, graphixQueryRewriter);
+ }
+
+ // Build our dependencies (collected over all graph element bodies).
+ GraphDependencies graphDependencies = new GraphDependencies();
+ for (GraphElementDecl graphElementDecl : graphElementDecls.values()) {
+ if (graphElementDecl.getNormalizedBodies().size() != graphElementDecl.getBodies().size()) {
+ // We should have set the normalized body by calling {@code normalizeGraphElementAsQuery} beforehand.
+ throw new CompilationException(ErrorCode.COMPILATION_ILLEGAL_STATE,
+ graphElementDecl.getSourceLocation(), "Normalized body not found!");
+ }
+ for (Expression normalizedBody : graphElementDecl.getNormalizedBodies()) {
+ graphDependencies.collectDependencies(normalizedBody, graphixQueryRewriter);
+ }
+ }
+
+ // Add / upsert our graph to our metadata.
+ Graph newGraph = new Graph(graphIdentifier, schemaBuilder.build(), graphDependencies);
+ if (existingGraph == null) {
+ MetadataManager.INSTANCE.addEntity(mdTxnCtx, newGraph);
+
+ } else {
+ MetadataManager.INSTANCE.upsertEntity(mdTxnCtx, newGraph);
+ }
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ }
+
+ public static void handleGraphDrop(GraphDropStatement gds, MetadataProvider metadataProvider,
+ DataverseName activeDataverseName) throws RemoteException, AlgebricksException {
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+
+ // Verify that our active dataverse exists.
+ Dataverse dataverse = MetadataManager.INSTANCE.getDataverse(mdTxnCtx, activeDataverseName);
+ if (dataverse == null) {
+ if (gds.getIfExists()) {
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ return;
+
+ } else {
+ throw new CompilationException(ErrorCode.UNKNOWN_DATAVERSE, gds.getSourceLocation(),
+ activeDataverseName);
+ }
+ }
+
+ // Verify that our graph exists. If it does not, skip.
+ Graph graph = GraphixMetadataExtension.getGraph(mdTxnCtx, activeDataverseName, gds.getGraphName());
+ if (graph == null) {
+ if (gds.getIfExists()) {
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ return;
+
+ } else {
+ throw new CompilationException(ErrorCode.COMPILATION_ERROR, gds.getSourceLocation(),
+ "Graph " + gds.getGraphName() + " does not exist.");
+ }
+ }
+
+ MetadataManager.INSTANCE.deleteEntity(mdTxnCtx, graph);
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/bootstrap/GraphixMetadataIndexes.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/bootstrap/GraphixMetadataIndexes.java
new file mode 100644
index 0000000..c2e7770
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/bootstrap/GraphixMetadataIndexes.java
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.metadata.bootstrap;
+
+import static org.apache.asterix.metadata.bootstrap.MetadataRecordTypes.FIELD_NAME_DATAVERSE_NAME;
+
+import java.util.Arrays;
+import java.util.Collections;
+
+import org.apache.asterix.common.metadata.MetadataIndexImmutableProperties;
+import org.apache.asterix.graphix.extension.GraphixMetadataExtension;
+import org.apache.asterix.graphix.metadata.entities.Graph;
+import org.apache.asterix.graphix.metadata.entitytupletranslators.GraphTupleTranslator;
+import org.apache.asterix.metadata.api.ExtensionMetadataDataset;
+import org.apache.asterix.metadata.api.ExtensionMetadataDatasetId;
+import org.apache.asterix.metadata.api.IMetadataEntityTupleTranslatorFactory;
+import org.apache.asterix.om.types.BuiltinType;
+import org.apache.asterix.om.types.IAType;
+
+public class GraphixMetadataIndexes {
+ public static final String METADATA_DATASET_NAME_GRAPH = "Graph";
+
+ public static final ExtensionMetadataDatasetId GRAPH_METADATA_DATASET_EXTENSION_ID = new ExtensionMetadataDatasetId(
+ GraphixMetadataExtension.GRAPHIX_METADATA_EXTENSION_ID, METADATA_DATASET_NAME_GRAPH);
+
+ public static final MetadataIndexImmutableProperties PROPERTIES_GRAPH_METADATA_DATASET =
+ new MetadataIndexImmutableProperties(METADATA_DATASET_NAME_GRAPH,
+ MetadataIndexImmutableProperties.FIRST_AVAILABLE_EXTENSION_METADATA_DATASET_ID,
+ MetadataIndexImmutableProperties.FIRST_AVAILABLE_EXTENSION_METADATA_DATASET_ID);
+
+ public static final ExtensionMetadataDataset<Graph> GRAPH_DATASET = new ExtensionMetadataDataset<>(
+ PROPERTIES_GRAPH_METADATA_DATASET, 3, new IAType[] { BuiltinType.ASTRING, BuiltinType.ASTRING },
+ Arrays.asList(Collections.singletonList(FIELD_NAME_DATAVERSE_NAME),
+ Collections.singletonList(GraphixMetadataRecordTypes.FIELD_NAME_GRAPH_NAME)),
+ 0, GraphixMetadataRecordTypes.GRAPH_RECORDTYPE, true, new int[] { 0, 1 },
+ GRAPH_METADATA_DATASET_EXTENSION_ID,
+ (IMetadataEntityTupleTranslatorFactory<Graph>) GraphTupleTranslator::new);
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/bootstrap/GraphixMetadataRecordTypes.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/bootstrap/GraphixMetadataRecordTypes.java
new file mode 100644
index 0000000..055056d
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/bootstrap/GraphixMetadataRecordTypes.java
@@ -0,0 +1,86 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.metadata.bootstrap;
+
+import static org.apache.asterix.metadata.bootstrap.MetadataRecordTypes.FIELD_NAME_DATAVERSE_NAME;
+import static org.apache.asterix.metadata.bootstrap.MetadataRecordTypes.FIELD_NAME_DEPENDENCIES;
+import static org.apache.asterix.metadata.bootstrap.MetadataRecordTypes.FIELD_NAME_PRIMARY_KEY;
+
+import org.apache.asterix.metadata.bootstrap.MetadataRecordTypes;
+import org.apache.asterix.om.types.AOrderedListType;
+import org.apache.asterix.om.types.ARecordType;
+import org.apache.asterix.om.types.BuiltinType;
+import org.apache.asterix.om.types.IAType;
+
+public final class GraphixMetadataRecordTypes {
+ public static final String RECORD_NAME_GRAPH = "GraphRecordType";
+ public static final String RECORD_NAME_VERTICES = "VerticesRecordType";
+ public static final String RECORD_NAME_EDGES = "EdgesRecordType";
+
+ public static final String FIELD_NAME_DEFINITIONS = "Definitions";
+ public static final String FIELD_NAME_DESTINATION_KEY = "DestinationKey";
+ public static final String FIELD_NAME_DESTINATION_LABEL = "DestinationLabel";
+ public static final String FIELD_NAME_EDGES = "Edges";
+ public static final String FIELD_NAME_GRAPH_NAME = "GraphName";
+ public static final String FIELD_NAME_LABEL = "Label";
+ public static final String FIELD_NAME_SOURCE_KEY = "SourceKey";
+ public static final String FIELD_NAME_SOURCE_LABEL = "SourceLabel";
+ public static final String FIELD_NAME_VERTICES = "Vertices";
+
+ public static final int GRAPH_VERTICES_ARECORD_LABEL_FIELD_INDEX = 0;
+ public static final int GRAPH_VERTICES_ARECORD_PRIMARY_KEY_FIELD_INDEX = 1;
+ public static final int GRAPH_VERTICES_ARECORD_DEFINITIONS_FIELD_INDEX = 2;
+ public static final ARecordType VERTICES_RECORDTYPE = MetadataRecordTypes.createRecordType(RECORD_NAME_VERTICES,
+ new String[] { FIELD_NAME_LABEL, FIELD_NAME_PRIMARY_KEY, FIELD_NAME_DEFINITIONS },
+ new IAType[] { BuiltinType.ASTRING,
+ new AOrderedListType(new AOrderedListType(BuiltinType.ASTRING, null), null),
+ new AOrderedListType(BuiltinType.ASTRING, null) },
+ true);
+
+ public static final int GRAPH_EDGES_ARECORD_LABEL_FIELD_INDEX = 0;
+ public static final int GRAPH_EDGES_ARECORD_DEST_LABEL_FIELD_INDEX = 1;
+ public static final int GRAPH_EDGES_ARECORD_SOURCE_LABEL_FIELD_INDEX = 2;
+ public static final int GRAPH_EDGES_ARECORD_PRIMARY_KEY_FIELD_INDEX = 3;
+ public static final int GRAPH_EDGES_ARECORD_DEST_KEY_FIELD_INDEX = 4;
+ public static final int GRAPH_EDGES_ARECORD_SOURCE_KEY_FIELD_INDEX = 5;
+ public static final int GRAPH_EDGES_ARECORD_DEFINITIONS_FIELD_INDEX = 6;
+ public static final ARecordType EDGES_RECORDTYPE = MetadataRecordTypes.createRecordType(RECORD_NAME_EDGES,
+ new String[] { FIELD_NAME_LABEL, FIELD_NAME_DESTINATION_LABEL, FIELD_NAME_SOURCE_LABEL,
+ FIELD_NAME_PRIMARY_KEY, FIELD_NAME_DESTINATION_KEY, FIELD_NAME_SOURCE_KEY, FIELD_NAME_DEFINITIONS },
+ new IAType[] { BuiltinType.ASTRING, BuiltinType.ASTRING, BuiltinType.ASTRING,
+ new AOrderedListType(new AOrderedListType(BuiltinType.ASTRING, null), null),
+ new AOrderedListType(new AOrderedListType(BuiltinType.ASTRING, null), null),
+ new AOrderedListType(new AOrderedListType(BuiltinType.ASTRING, null), null),
+ new AOrderedListType(BuiltinType.ASTRING, null) },
+ true);
+
+ public static final int GRAPH_ARECORD_DATAVERSENAME_FIELD_INDEX = 0;
+ public static final int GRAPH_ARECORD_GRAPHNAME_FIELD_INDEX = 1;
+ public static final int GRAPH_ARECORD_DEPENDENCIES_FIELD_INDEX = 2;
+ public static final int GRAPH_ARECORD_VERTICES_FIELD_INDEX = 3;
+ public static final int GRAPH_ARECORD_EDGES_FIELD_INDEX = 4;
+ public static final ARecordType GRAPH_RECORDTYPE = MetadataRecordTypes.createRecordType(RECORD_NAME_GRAPH,
+ new String[] { FIELD_NAME_DATAVERSE_NAME, FIELD_NAME_GRAPH_NAME, FIELD_NAME_DEPENDENCIES,
+ FIELD_NAME_VERTICES, FIELD_NAME_EDGES },
+ new IAType[] { BuiltinType.ASTRING, BuiltinType.ASTRING,
+ new AOrderedListType(new AOrderedListType(new AOrderedListType(BuiltinType.ASTRING, null), null),
+ null),
+ new AOrderedListType(VERTICES_RECORDTYPE, null), new AOrderedListType(EDGES_RECORDTYPE, null) },
+ true);
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entities/Graph.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entities/Graph.java
new file mode 100644
index 0000000..21afc2d
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entities/Graph.java
@@ -0,0 +1,348 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.metadata.entities;
+
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.graphix.common.metadata.GraphElementIdentifier;
+import org.apache.asterix.graphix.common.metadata.GraphIdentifier;
+import org.apache.asterix.graphix.metadata.bootstrap.GraphixMetadataIndexes;
+import org.apache.asterix.metadata.api.ExtensionMetadataDatasetId;
+import org.apache.asterix.metadata.api.IExtensionMetadataEntity;
+
+/**
+ * Metadata describing a graph view, composed of vertices and edges.
+ */
+public class Graph implements IExtensionMetadataEntity {
+ private static final long serialVersionUID = 1L;
+
+ private final GraphIdentifier identifier;
+ private final GraphDependencies dependencies;
+ private final Schema graphSchema;
+
+ public Graph(GraphIdentifier identifier, Schema graphSchema, GraphDependencies dependencies) {
+ this.identifier = Objects.requireNonNull(identifier);
+ this.dependencies = dependencies;
+ this.graphSchema = graphSchema;
+ }
+
+ public DataverseName getDataverseName() {
+ return identifier.getDataverseName();
+ }
+
+ public String getGraphName() {
+ return identifier.getGraphName();
+ }
+
+ public GraphIdentifier getIdentifier() {
+ return identifier;
+ }
+
+ public Schema getGraphSchema() {
+ return graphSchema;
+ }
+
+ public GraphDependencies getDependencies() {
+ return dependencies;
+ }
+
+ @Override
+ public ExtensionMetadataDatasetId getDatasetId() {
+ return GraphixMetadataIndexes.GRAPH_METADATA_DATASET_EXTENSION_ID;
+ }
+
+ public static class Schema implements Serializable {
+ private static final long serialVersionUID = 1L;
+
+ // The element map is composed of the vertices and edges.
+ private final Map<GraphElementIdentifier, Element> elementMap = new HashMap<>();
+ private final List<Vertex> vertexList = new ArrayList<>();
+ private final List<Edge> edgeList = new ArrayList<>();
+
+ public List<Vertex> getVertices() {
+ return vertexList;
+ }
+
+ public List<Edge> getEdges() {
+ return edgeList;
+ }
+
+ public Element getElement(GraphElementIdentifier identifier) {
+ return elementMap.get(identifier);
+ }
+
+ private Schema() {
+ }
+
+ public static class Builder {
+ private final Map<String, Vertex> vertexLabelMap = new HashMap<>();
+ private final Map<String, Edge> edgeLabelMap = new HashMap<>();
+
+ // We aim to populate the schema object below.
+ private final Schema workingSchema = new Schema();
+ private final GraphIdentifier graphIdentifier;
+ private Error lastError = Error.NO_ERROR;
+
+ public Builder(GraphIdentifier graphIdentifier) {
+ this.graphIdentifier = graphIdentifier;
+ }
+
+ /**
+ * @return Null if the primary keys of an existing vertex conflict with the vertex to-be-added. The vertex
+ * to-be-added otherwise.
+ */
+ public Vertex addVertex(String labelName, List<List<String>> primaryKeyFieldNames, String definition) {
+ if (!vertexLabelMap.containsKey(labelName)) {
+ GraphElementIdentifier identifier =
+ new GraphElementIdentifier(graphIdentifier, GraphElementIdentifier.Kind.VERTEX, labelName);
+ Vertex newVertex = new Vertex(identifier, primaryKeyFieldNames, definition);
+ workingSchema.vertexList.add(newVertex);
+ vertexLabelMap.put(labelName, newVertex);
+ return newVertex;
+
+ } else {
+ Vertex existingVertex = vertexLabelMap.get(labelName);
+ if (!existingVertex.getPrimaryKeyFieldNames().equals(primaryKeyFieldNames)) {
+ lastError = Error.CONFLICTING_PRIMARY_KEY;
+ return null;
+ }
+ existingVertex.getDefinitions().add(definition);
+ return existingVertex;
+ }
+ }
+
+ /**
+ * @return Null if there exists no vertex with the given source label or destination label, OR if the
+ * primary key / source vertex / destination vertex of an existing edge conflict with the edge to-be-added.
+ */
+ public Edge addEdge(String edgeLabelName, String destinationLabelName, String sourceLabelName,
+ List<List<String>> destinationKeyFieldNames) {
+ if (!vertexLabelMap.containsKey(sourceLabelName)) {
+ lastError = Error.SOURCE_VERTEX_NOT_FOUND;
+ return null;
+ }
+
+ Vertex representativeSourceVertex = vertexLabelMap.get(sourceLabelName);
+ return addEdge(edgeLabelName, destinationLabelName, sourceLabelName,
+ representativeSourceVertex.getPrimaryKeyFieldNames(), destinationKeyFieldNames,
+ representativeSourceVertex.getPrimaryKeyFieldNames(), "");
+ }
+
+ /**
+ * @return Null if there exists no vertex with the given source label or destination label, OR if the
+ * primary key / source vertex / destination vertex of an existing edge conflict with the edge to-be-added.
+ */
+ public Edge addEdge(String edgeLabelName, String destinationLabelName, String sourceLabelName,
+ List<List<String>> primaryKeyFieldNames, List<List<String>> destinationKeyFieldNames,
+ List<List<String>> sourceKeyFieldNames, String definition) {
+ if (!vertexLabelMap.containsKey(sourceLabelName)) {
+ lastError = Error.SOURCE_VERTEX_NOT_FOUND;
+ return null;
+
+ } else if (!vertexLabelMap.containsKey(destinationLabelName)) {
+ lastError = Error.DESTINATION_VERTEX_NOT_FOUND;
+ return null;
+
+ } else if (edgeLabelMap.containsKey(edgeLabelName)) {
+ Edge existingEdge = edgeLabelMap.get(edgeLabelName);
+ if (!existingEdge.getPrimaryKeyFieldNames().equals(primaryKeyFieldNames)) {
+ lastError = Error.CONFLICTING_PRIMARY_KEY;
+ return null;
+
+ } else if (!existingEdge.getSourceLabelName().equals(sourceLabelName)) {
+ // This also covers any source-key conflicts.
+ lastError = Error.CONFLICTING_SOURCE_VERTEX;
+ return null;
+
+ } else if (!existingEdge.getDestinationLabelName().equals(destinationLabelName)) {
+ // This also covers any destination-key conflicts.
+ lastError = Error.CONFLICTING_DESTINATION_VERTEX;
+ return null;
+ }
+ existingEdge.getDefinitions().add(definition);
+ return existingEdge;
+
+ } else {
+ GraphElementIdentifier identifier = new GraphElementIdentifier(graphIdentifier,
+ GraphElementIdentifier.Kind.EDGE, edgeLabelName);
+ Edge newEdge = new Edge(identifier, primaryKeyFieldNames, destinationKeyFieldNames,
+ sourceKeyFieldNames, vertexLabelMap.get(destinationLabelName),
+ vertexLabelMap.get(sourceLabelName), definition);
+ workingSchema.edgeList.add(newEdge);
+ edgeLabelMap.put(edgeLabelName, newEdge);
+ return newEdge;
+ }
+ }
+
+ public Schema build() {
+ // Build the element map, composed of our vertices and edges.
+ workingSchema.elementMap.clear();
+ workingSchema.getVertices().forEach(v -> workingSchema.elementMap.put(v.identifier, v));
+ workingSchema.getEdges().forEach(e -> workingSchema.elementMap.put(e.identifier, e));
+ return workingSchema;
+ }
+
+ public Error getLastError() {
+ return lastError;
+ }
+
+ public enum Error {
+ NO_ERROR,
+
+ CONFLICTING_PRIMARY_KEY,
+ CONFLICTING_SOURCE_VERTEX,
+ CONFLICTING_DESTINATION_VERTEX,
+
+ SOURCE_VERTEX_NOT_FOUND,
+ DESTINATION_VERTEX_NOT_FOUND
+ }
+ }
+ }
+
+ public static final class Vertex implements Element {
+ private static final long serialVersionUID = 1L;
+
+ private final GraphElementIdentifier identifier;
+ private final List<List<String>> primaryKeyFieldNames;
+ private final List<String> definitions;
+
+ private Vertex(GraphElementIdentifier identifier, List<List<String>> primaryKeyFieldNames, String definition) {
+ this.identifier = Objects.requireNonNull(identifier);
+ this.primaryKeyFieldNames = Objects.requireNonNull(primaryKeyFieldNames);
+ this.definitions = new ArrayList<>();
+ this.definitions.add(Objects.requireNonNull(definition));
+ }
+
+ public List<List<String>> getPrimaryKeyFieldNames() {
+ return primaryKeyFieldNames;
+ }
+
+ @Override
+ public GraphElementIdentifier getIdentifier() {
+ return identifier;
+ }
+
+ @Override
+ public String getLabelName() {
+ return identifier.getLabelName();
+ }
+
+ @Override
+ public List<String> getDefinitions() {
+ return definitions;
+ }
+
+ @Override
+ public String toString() {
+ return "(:" + getLabelName() + ") AS " + String.join(",\n", definitions);
+ }
+ }
+
+ public static final class Edge implements Element {
+ private static final long serialVersionUID = 1L;
+
+ private final List<List<String>> primaryKeyFieldNames;
+ private final List<List<String>> destinationKeyFieldNames;
+ private final List<List<String>> sourceKeyFieldNames;
+
+ private final GraphElementIdentifier identifier;
+ private final Vertex destinationVertex;
+ private final Vertex sourceVertex;
+ private final List<String> definitions;
+
+ private Edge(GraphElementIdentifier identifier, List<List<String>> primaryKeyFieldNames,
+ List<List<String>> destinationKeyFieldNames, List<List<String>> sourceKeyFieldNames,
+ Vertex destinationVertex, Vertex sourceVertex, String edgeDefinition) {
+ this.primaryKeyFieldNames = Objects.requireNonNull(primaryKeyFieldNames);
+ this.destinationKeyFieldNames = Objects.requireNonNull(destinationKeyFieldNames);
+ this.sourceKeyFieldNames = Objects.requireNonNull(sourceKeyFieldNames);
+ this.destinationVertex = Objects.requireNonNull(destinationVertex);
+ this.sourceVertex = Objects.requireNonNull(sourceVertex);
+ this.identifier = Objects.requireNonNull(identifier);
+ this.definitions = new ArrayList<>();
+ this.definitions.add(Objects.requireNonNull(edgeDefinition));
+ }
+
+ public String getDestinationLabelName() {
+ return destinationVertex.getLabelName();
+ }
+
+ public String getSourceLabelName() {
+ return sourceVertex.getLabelName();
+ }
+
+ public List<List<String>> getPrimaryKeyFieldNames() {
+ return primaryKeyFieldNames;
+ }
+
+ public List<List<String>> getDestinationKeyFieldNames() {
+ return destinationKeyFieldNames;
+ }
+
+ public List<List<String>> getSourceKeyFieldNames() {
+ return sourceKeyFieldNames;
+ }
+
+ public Vertex getDestinationVertex() {
+ return destinationVertex;
+ }
+
+ public Vertex getSourceVertex() {
+ return sourceVertex;
+ }
+
+ @Override
+ public GraphElementIdentifier getIdentifier() {
+ return identifier;
+ }
+
+ @Override
+ public String getLabelName() {
+ return identifier.getLabelName();
+ }
+
+ @Override
+ public List<String> getDefinitions() {
+ return definitions;
+ }
+
+ @Override
+ public String toString() {
+ String edgeBodyPattern = "[:" + getLabelName() + "]";
+ String sourceNodePattern = "(:" + getSourceLabelName() + ")";
+ String destinationNodePattern = "(:" + getDestinationLabelName() + ")";
+ String edgePattern = sourceNodePattern + "-" + edgeBodyPattern + "->" + destinationNodePattern;
+ return edgePattern + " AS " + String.join(",\n", getDefinitions());
+ }
+ }
+
+ public interface Element extends Serializable {
+ GraphElementIdentifier getIdentifier();
+
+ String getLabelName();
+
+ List<String> getDefinitions();
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entities/GraphDependencies.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entities/GraphDependencies.java
new file mode 100644
index 0000000..0e7aa5a
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entities/GraphDependencies.java
@@ -0,0 +1,76 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.metadata.entities;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.lang.common.base.Expression;
+import org.apache.asterix.lang.common.base.IQueryRewriter;
+import org.apache.asterix.lang.common.util.ExpressionUtils;
+import org.apache.asterix.metadata.entities.DependencyKind;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.common.utils.Triple;
+
+/**
+ * Helper class to manage dependencies for a graph metadata entity.
+ */
+public class GraphDependencies {
+ private final List<Triple<DataverseName, String, String>> datasetDependencies;
+ private final List<Triple<DataverseName, String, String>> synonymDependencies;
+ private final List<Triple<DataverseName, String, String>> functionDependencies;
+
+ public GraphDependencies(List<List<Triple<DataverseName, String, String>>> listRepresentation) {
+ datasetDependencies = listRepresentation.get(0);
+ synonymDependencies = listRepresentation.get(1);
+ functionDependencies = listRepresentation.get(2);
+ }
+
+ public GraphDependencies() {
+ datasetDependencies = new ArrayList<>();
+ synonymDependencies = new ArrayList<>();
+ functionDependencies = new ArrayList<>();
+ }
+
+ public List<List<Triple<DataverseName, String, String>>> getListRepresentation() {
+ return List.of(datasetDependencies, synonymDependencies, functionDependencies);
+ }
+
+ public Iterator<Pair<DependencyKind, Triple<DataverseName, String, String>>> getIterator() {
+ List<Pair<DependencyKind, Triple<DataverseName, String, String>>> resultant = new ArrayList<>();
+ for (Triple<DataverseName, String, String> datasetDependency : datasetDependencies) {
+ resultant.add(new Pair<>(DependencyKind.DATASET, datasetDependency));
+ }
+ for (Triple<DataverseName, String, String> synonymDependency : synonymDependencies) {
+ resultant.add(new Pair<>(DependencyKind.SYNONYM, synonymDependency));
+ }
+ for (Triple<DataverseName, String, String> functionDependency : functionDependencies) {
+ resultant.add(new Pair<>(DependencyKind.FUNCTION, functionDependency));
+ }
+ return resultant.listIterator();
+ }
+
+ public void collectDependencies(Expression expression, IQueryRewriter queryRewriter) throws CompilationException {
+ ExpressionUtils.collectDependencies(expression, queryRewriter, datasetDependencies, synonymDependencies,
+ functionDependencies);
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entitytupletranslators/GraphTupleTranslator.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entitytupletranslators/GraphTupleTranslator.java
new file mode 100644
index 0000000..9c83184
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entitytupletranslators/GraphTupleTranslator.java
@@ -0,0 +1,437 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.asterix.graphix.metadata.entitytupletranslators;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.asterix.builders.IARecordBuilder;
+import org.apache.asterix.builders.OrderedListBuilder;
+import org.apache.asterix.builders.RecordBuilder;
+import org.apache.asterix.common.exceptions.AsterixException;
+import org.apache.asterix.common.exceptions.ErrorCode;
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.graphix.common.metadata.GraphIdentifier;
+import org.apache.asterix.graphix.metadata.bootstrap.GraphixMetadataIndexes;
+import org.apache.asterix.graphix.metadata.bootstrap.GraphixMetadataRecordTypes;
+import org.apache.asterix.graphix.metadata.entities.Graph;
+import org.apache.asterix.graphix.metadata.entities.GraphDependencies;
+import org.apache.asterix.metadata.entitytupletranslators.AbstractTupleTranslator;
+import org.apache.asterix.om.base.AOrderedList;
+import org.apache.asterix.om.base.ARecord;
+import org.apache.asterix.om.base.AString;
+import org.apache.asterix.om.base.IACursor;
+import org.apache.asterix.om.types.AOrderedListType;
+import org.apache.asterix.om.types.BuiltinType;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Triple;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+
+public class GraphTupleTranslator extends AbstractTupleTranslator<Graph> {
+ // Payload field containing serialized Graph.
+ private static final int GRAPH_PAYLOAD_TUPLE_FIELD_INDEX = 2;
+
+ // For constructing our dependency, edge, and vertex lists.
+ protected OrderedListBuilder listBuilder;
+ protected OrderedListBuilder innerListBuilder;
+ protected OrderedListBuilder nameListBuilder;
+ protected IARecordBuilder subRecordBuilder;
+ protected AOrderedListType stringListList;
+ protected AOrderedListType stringList;
+
+ public GraphTupleTranslator(boolean getTuple) {
+ super(getTuple, GraphixMetadataIndexes.GRAPH_DATASET, GRAPH_PAYLOAD_TUPLE_FIELD_INDEX);
+ if (getTuple) {
+ listBuilder = new OrderedListBuilder();
+ innerListBuilder = new OrderedListBuilder();
+ nameListBuilder = new OrderedListBuilder();
+ subRecordBuilder = new RecordBuilder();
+ stringListList = new AOrderedListType(new AOrderedListType(BuiltinType.ASTRING, null), null);
+ stringList = new AOrderedListType(BuiltinType.ASTRING, null);
+ }
+ }
+
+ @Override
+ protected Graph createMetadataEntityFromARecord(ARecord graphRecord) throws AlgebricksException {
+ // Read in the dataverse name.
+ DataverseName dataverseName = DataverseName.createFromCanonicalForm(((AString) graphRecord
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_ARECORD_DATAVERSENAME_FIELD_INDEX)).getStringValue());
+
+ // Read in the graph name.
+ String graphName =
+ ((AString) graphRecord.getValueByPos(GraphixMetadataRecordTypes.GRAPH_ARECORD_GRAPHNAME_FIELD_INDEX))
+ .getStringValue();
+
+ // Read in the dependencies.
+ IACursor dependenciesCursor = ((AOrderedList) graphRecord
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_ARECORD_DEPENDENCIES_FIELD_INDEX)).getCursor();
+ List<List<Triple<DataverseName, String, String>>> graphDependencies = new ArrayList<>();
+ while (dependenciesCursor.next()) {
+ List<Triple<DataverseName, String, String>> dependencyList = new ArrayList<>();
+ IACursor qualifiedDependencyCursor = ((AOrderedList) dependenciesCursor.get()).getCursor();
+ while (qualifiedDependencyCursor.next()) {
+ Triple<DataverseName, String, String> dependency =
+ getDependency((AOrderedList) qualifiedDependencyCursor.get());
+ dependencyList.add(dependency);
+ }
+ graphDependencies.add(dependencyList);
+ }
+
+ // Read in the vertex and edge lists.
+ GraphIdentifier graphIdentifier = new GraphIdentifier(dataverseName, graphName);
+ Graph.Schema graphSchema = readGraphSchema(graphRecord, graphIdentifier);
+ return new Graph(graphIdentifier, graphSchema, new GraphDependencies(graphDependencies));
+ }
+
+ private Graph.Schema readGraphSchema(ARecord graphRecord, GraphIdentifier graphIdentifier) throws AsterixException {
+ Graph.Schema.Builder schemaBuilder = new Graph.Schema.Builder(graphIdentifier);
+
+ // Read in the vertex list.
+ IACursor verticesCursor = ((AOrderedList) graphRecord
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_ARECORD_VERTICES_FIELD_INDEX)).getCursor();
+ while (verticesCursor.next()) {
+ ARecord vertex = (ARecord) verticesCursor.get();
+
+ // Read in the label name.
+ String labelName = ((AString) vertex
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_VERTICES_ARECORD_LABEL_FIELD_INDEX))
+ .getStringValue();
+
+ // Read in the primary key fields.
+ List<List<String>> primaryKeyFields = new ArrayList<>();
+ IACursor primaryKeyCursor = ((AOrderedList) vertex
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_VERTICES_ARECORD_PRIMARY_KEY_FIELD_INDEX))
+ .getCursor();
+ while (primaryKeyCursor.next()) {
+ IACursor nameCursor = ((AOrderedList) primaryKeyCursor.get()).getCursor();
+ primaryKeyFields.add(readNameList(nameCursor));
+ }
+
+ // Read in the vertex definition(s). Validate each definition.
+ IACursor definitionsCursor = ((AOrderedList) vertex
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_VERTICES_ARECORD_DEFINITIONS_FIELD_INDEX))
+ .getCursor();
+ while (definitionsCursor.next()) {
+ String definition = ((AString) definitionsCursor.get()).getStringValue();
+ schemaBuilder.addVertex(labelName, primaryKeyFields, definition);
+ switch (schemaBuilder.getLastError()) {
+ case NO_ERROR:
+ break;
+
+ case CONFLICTING_PRIMARY_KEY:
+ throw new AsterixException(ErrorCode.METADATA_ERROR,
+ "Conflicting primary keys for vertices with label " + labelName);
+
+ default:
+ throw new AsterixException(ErrorCode.METADATA_ERROR,
+ "Schema vertex was not returned, but the error is not a conflicting primary key!");
+ }
+ }
+ }
+
+ // Read in the edge list.
+ IACursor edgesCursor =
+ ((AOrderedList) graphRecord.getValueByPos(GraphixMetadataRecordTypes.GRAPH_ARECORD_EDGES_FIELD_INDEX))
+ .getCursor();
+ while (edgesCursor.next()) {
+ ARecord edge = (ARecord) edgesCursor.get();
+
+ // Read in the label name.
+ String labelName =
+ ((AString) edge.getValueByPos(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_LABEL_FIELD_INDEX))
+ .getStringValue();
+
+ // Read in the destination label name.
+ String destinationLabelName = ((AString) edge
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_DEST_LABEL_FIELD_INDEX))
+ .getStringValue();
+
+ // Read in the source label name.
+ String sourceLabelName = ((AString) edge
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_SOURCE_LABEL_FIELD_INDEX))
+ .getStringValue();
+
+ // Read in the primary key fields.
+ List<List<String>> primaryKeyFields = new ArrayList<>();
+ IACursor primaryKeyCursor = ((AOrderedList) edge
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_PRIMARY_KEY_FIELD_INDEX)).getCursor();
+ while (primaryKeyCursor.next()) {
+ IACursor nameCursor = ((AOrderedList) primaryKeyCursor.get()).getCursor();
+ primaryKeyFields.add(readNameList(nameCursor));
+ }
+
+ // Read in the destination key fields.
+ List<List<String>> destinationKeyFields = new ArrayList<>();
+ IACursor destinationKeyCursor = ((AOrderedList) edge
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_DEST_KEY_FIELD_INDEX)).getCursor();
+ while (destinationKeyCursor.next()) {
+ IACursor nameCursor = ((AOrderedList) destinationKeyCursor.get()).getCursor();
+ destinationKeyFields.add(readNameList(nameCursor));
+ }
+
+ // Read in the source key fields.
+ List<List<String>> sourceKeyFields = new ArrayList<>();
+ IACursor sourceKeyCursor = ((AOrderedList) edge
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_SOURCE_KEY_FIELD_INDEX)).getCursor();
+ while (sourceKeyCursor.next()) {
+ IACursor nameCursor = ((AOrderedList) sourceKeyCursor.get()).getCursor();
+ sourceKeyFields.add(readNameList(nameCursor));
+ }
+
+ // Read in the edge definition(s). Validate each definition.
+ IACursor definitionsCursor = ((AOrderedList) edge
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_DEFINITIONS_FIELD_INDEX)).getCursor();
+ while (definitionsCursor.next()) {
+ String definition = ((AString) definitionsCursor.get()).getStringValue();
+ schemaBuilder.addEdge(labelName, destinationLabelName, sourceLabelName, primaryKeyFields,
+ destinationKeyFields, sourceKeyFields, definition);
+ switch (schemaBuilder.getLastError()) {
+ case NO_ERROR:
+ break;
+
+ case SOURCE_VERTEX_NOT_FOUND:
+ throw new AsterixException(ErrorCode.METADATA_ERROR,
+ "Source vertex " + sourceLabelName + " not found in the edge " + labelName + ".");
+
+ case DESTINATION_VERTEX_NOT_FOUND:
+ throw new AsterixException(ErrorCode.METADATA_ERROR, "Destination vertex "
+ + destinationLabelName + " not found in the edge " + labelName + ".");
+
+ case CONFLICTING_PRIMARY_KEY:
+ case CONFLICTING_SOURCE_VERTEX:
+ case CONFLICTING_DESTINATION_VERTEX:
+ throw new AsterixException(ErrorCode.METADATA_ERROR,
+ "Conflicting edge with the same label found: " + labelName);
+
+ default:
+ throw new AsterixException(ErrorCode.METADATA_ERROR,
+ "Schema edge was not returned, and an unexpected error encountered");
+ }
+ }
+ }
+
+ return schemaBuilder.build();
+ }
+
+ private List<String> readNameList(IACursor nameCursor) {
+ List<String> fieldName = new ArrayList<>();
+ while (nameCursor.next()) {
+ String subName = ((AString) nameCursor.get()).getStringValue();
+ fieldName.add(subName);
+ }
+ return fieldName;
+ }
+
+ @Override
+ public ITupleReference getTupleFromMetadataEntity(Graph graph) throws HyracksDataException {
+ // Write our primary key (dataverse name, graph name).
+ String dataverseCanonicalName = graph.getDataverseName().getCanonicalForm();
+ tupleBuilder.reset();
+ aString.setValue(dataverseCanonicalName);
+ stringSerde.serialize(aString, tupleBuilder.getDataOutput());
+ tupleBuilder.addFieldEndOffset();
+ aString.setValue(graph.getGraphName());
+ stringSerde.serialize(aString, tupleBuilder.getDataOutput());
+ tupleBuilder.addFieldEndOffset();
+
+ // Write the payload in the third field of the tuple.
+ recordBuilder.reset(GraphixMetadataRecordTypes.GRAPH_RECORDTYPE);
+
+ // Write the dataverse name.
+ fieldValue.reset();
+ aString.setValue(dataverseCanonicalName);
+ stringSerde.serialize(aString, fieldValue.getDataOutput());
+ recordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_ARECORD_DATAVERSENAME_FIELD_INDEX, fieldValue);
+
+ // Write the graph name.
+ fieldValue.reset();
+ aString.setValue(graph.getGraphName());
+ stringSerde.serialize(aString, fieldValue.getDataOutput());
+ recordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_ARECORD_GRAPHNAME_FIELD_INDEX, fieldValue);
+
+ // Write our dependencies.
+ ArrayBackedValueStorage itemValue = new ArrayBackedValueStorage();
+ listBuilder.reset((AOrderedListType) GraphixMetadataRecordTypes.GRAPH_RECORDTYPE
+ .getFieldTypes()[GraphixMetadataRecordTypes.GRAPH_ARECORD_DEPENDENCIES_FIELD_INDEX]);
+ for (List<Triple<DataverseName, String, String>> dependencies : graph.getDependencies()
+ .getListRepresentation()) {
+ List<String> subNames = new ArrayList<>();
+ innerListBuilder.reset(stringListList);
+ for (Triple<DataverseName, String, String> dependency : dependencies) {
+ subNames.clear();
+ getDependencySubNames(dependency, subNames);
+ writeNameList(subNames, itemValue);
+ innerListBuilder.addItem(itemValue);
+ }
+ itemValue.reset();
+ innerListBuilder.write(itemValue.getDataOutput(), true);
+ listBuilder.addItem(itemValue);
+ }
+ fieldValue.reset();
+ listBuilder.write(fieldValue.getDataOutput(), true);
+ recordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_ARECORD_DEPENDENCIES_FIELD_INDEX, fieldValue);
+
+ // Write our vertex set.
+ listBuilder.reset((AOrderedListType) GraphixMetadataRecordTypes.GRAPH_RECORDTYPE
+ .getFieldTypes()[GraphixMetadataRecordTypes.GRAPH_ARECORD_VERTICES_FIELD_INDEX]);
+ for (Graph.Vertex vertex : graph.getGraphSchema().getVertices()) {
+ writeVertexRecord(vertex, itemValue);
+ listBuilder.addItem(itemValue);
+ }
+ fieldValue.reset();
+ listBuilder.write(fieldValue.getDataOutput(), true);
+ recordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_ARECORD_VERTICES_FIELD_INDEX, fieldValue);
+
+ // Write our edge set.
+ listBuilder.reset((AOrderedListType) GraphixMetadataRecordTypes.GRAPH_RECORDTYPE
+ .getFieldTypes()[GraphixMetadataRecordTypes.GRAPH_ARECORD_EDGES_FIELD_INDEX]);
+ for (Graph.Edge edge : graph.getGraphSchema().getEdges()) {
+ writeEdgeRecord(edge, itemValue);
+ listBuilder.addItem(itemValue);
+ }
+ fieldValue.reset();
+ listBuilder.write(fieldValue.getDataOutput(), true);
+ recordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_ARECORD_EDGES_FIELD_INDEX, fieldValue);
+
+ // Finally, write our record.
+ recordBuilder.write(tupleBuilder.getDataOutput(), true);
+ tupleBuilder.addFieldEndOffset();
+ tuple.reset(tupleBuilder.getFieldEndOffsets(), tupleBuilder.getByteArray());
+ return tuple;
+ }
+
+ private void writeVertexRecord(Graph.Vertex vertex, ArrayBackedValueStorage itemValue) throws HyracksDataException {
+ subRecordBuilder.reset(GraphixMetadataRecordTypes.VERTICES_RECORDTYPE);
+
+ // Write the label name.
+ fieldValue.reset();
+ aString.setValue(vertex.getLabelName());
+ stringSerde.serialize(aString, fieldValue.getDataOutput());
+ subRecordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_VERTICES_ARECORD_LABEL_FIELD_INDEX, fieldValue);
+
+ // Write the primary key fields.
+ fieldValue.reset();
+ innerListBuilder.reset(stringListList);
+ for (List<String> keyField : vertex.getPrimaryKeyFieldNames()) {
+ writeNameList(keyField, itemValue);
+ innerListBuilder.addItem(itemValue);
+ }
+ innerListBuilder.write(fieldValue.getDataOutput(), true);
+ subRecordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_VERTICES_ARECORD_PRIMARY_KEY_FIELD_INDEX,
+ fieldValue);
+
+ // Write the vertex definition(s).
+ fieldValue.reset();
+ innerListBuilder.reset(stringList);
+ for (String definition : vertex.getDefinitions()) {
+ itemValue.reset();
+ aString.setValue(definition);
+ stringSerde.serialize(aString, itemValue.getDataOutput());
+ innerListBuilder.addItem(itemValue);
+ }
+ innerListBuilder.write(fieldValue.getDataOutput(), true);
+ subRecordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_VERTICES_ARECORD_DEFINITIONS_FIELD_INDEX,
+ fieldValue);
+
+ itemValue.reset();
+ subRecordBuilder.write(itemValue.getDataOutput(), true);
+ }
+
+ private void writeEdgeRecord(Graph.Edge edge, ArrayBackedValueStorage itemValue) throws HyracksDataException {
+ subRecordBuilder.reset(GraphixMetadataRecordTypes.EDGES_RECORDTYPE);
+
+ // Write the label name.
+ fieldValue.reset();
+ aString.setValue(edge.getLabelName());
+ stringSerde.serialize(aString, fieldValue.getDataOutput());
+ subRecordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_LABEL_FIELD_INDEX, fieldValue);
+
+ // Write the destination label name.
+ fieldValue.reset();
+ aString.setValue(edge.getDestinationLabelName());
+ stringSerde.serialize(aString, fieldValue.getDataOutput());
+ subRecordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_DEST_LABEL_FIELD_INDEX, fieldValue);
+
+ // Write the source label name.
+ fieldValue.reset();
+ aString.setValue(edge.getSourceLabelName());
+ stringSerde.serialize(aString, fieldValue.getDataOutput());
+ subRecordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_SOURCE_LABEL_FIELD_INDEX, fieldValue);
+
+ // Write the primary key fields.
+ fieldValue.reset();
+ innerListBuilder.reset(stringListList);
+ for (List<String> keyField : edge.getPrimaryKeyFieldNames()) {
+ writeNameList(keyField, itemValue);
+ innerListBuilder.addItem(itemValue);
+ }
+ innerListBuilder.write(fieldValue.getDataOutput(), true);
+ subRecordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_PRIMARY_KEY_FIELD_INDEX, fieldValue);
+
+ // Write the destination key fields.
+ fieldValue.reset();
+ innerListBuilder.reset(stringListList);
+ for (List<String> keyField : edge.getDestinationKeyFieldNames()) {
+ writeNameList(keyField, itemValue);
+ innerListBuilder.addItem(itemValue);
+ }
+ innerListBuilder.write(fieldValue.getDataOutput(), true);
+ subRecordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_DEST_KEY_FIELD_INDEX, fieldValue);
+
+ // Write the source key fields.
+ fieldValue.reset();
+ innerListBuilder.reset(stringListList);
+ for (List<String> keyField : edge.getSourceKeyFieldNames()) {
+ writeNameList(keyField, itemValue);
+ innerListBuilder.addItem(itemValue);
+ }
+ innerListBuilder.write(fieldValue.getDataOutput(), true);
+ subRecordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_SOURCE_KEY_FIELD_INDEX, fieldValue);
+
+ // Write the edge definition(s).
+ fieldValue.reset();
+ innerListBuilder.reset(stringList);
+ for (String definition : edge.getDefinitions()) {
+ itemValue.reset();
+ aString.setValue(definition);
+ stringSerde.serialize(aString, itemValue.getDataOutput());
+ innerListBuilder.addItem(itemValue);
+ }
+ innerListBuilder.write(fieldValue.getDataOutput(), true);
+ subRecordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_DEFINITIONS_FIELD_INDEX, fieldValue);
+
+ itemValue.reset();
+ subRecordBuilder.write(itemValue.getDataOutput(), true);
+ }
+
+ private void writeNameList(List<String> name, ArrayBackedValueStorage itemValue) throws HyracksDataException {
+ nameListBuilder.reset(stringList);
+ for (String subName : name) {
+ itemValue.reset();
+ aString.setValue(subName);
+ stringSerde.serialize(aString, itemValue.getDataOutput());
+ nameListBuilder.addItem(itemValue);
+ }
+ itemValue.reset();
+ nameListBuilder.write(itemValue.getDataOutput(), true);
+ }
+}
diff --git a/asterix-graphix/src/main/resources/cc.conf b/asterix-graphix/src/main/resources/cc.conf
new file mode 100644
index 0000000..8452471
--- /dev/null
+++ b/asterix-graphix/src/main/resources/cc.conf
@@ -0,0 +1,68 @@
+; Licensed to the Apache Software Foundation (ASF) under one
+; or more contributor license agreements. See the NOTICE file
+; distributed with this work for additional information
+; regarding copyright ownership. The ASF licenses this file
+; to you under the Apache License, Version 2.0 (the
+; "License"); you may not use this file except in compliance
+; with the License. You may obtain a copy of the License at
+;
+; http://www.apache.org/licenses/LICENSE-2.0
+;
+; Unless required by applicable law or agreed to in writing,
+; software distributed under the License is distributed on an
+; "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+; KIND, either express or implied. See the License for the
+; specific language governing permissions and limitations
+; under the License.
+
+[nc/asterix_nc1]
+txn.log.dir=target/tmp/asterix_nc1/txnlog
+core.dump.dir=target/tmp/asterix_nc1/coredump
+iodevices=target/tmp/asterix_nc1/iodevice1,../asterix-server/target/tmp/asterix_nc1/iodevice2
+#jvm.args=-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=5006
+
+[nc/asterix_nc2]
+ncservice.port=9091
+nc.api.port=19005
+txn.log.dir=target/tmp/asterix_nc2/txnlog
+core.dump.dir=target/tmp/asterix_nc2/coredump
+iodevices=target/tmp/asterix_nc2/iodevice1,../asterix-server/target/tmp/asterix_nc2/iodevice2
+#jvm.args=-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=5007
+
+[nc]
+address=127.0.0.1
+command=asterixnc
+app.class=org.apache.asterix.hyracks.bootstrap.NCApplication
+jvm.args=-Xmx4096m -Dnode.Resolver="org.apache.asterix.external.util.IdentitiyResolverFactory"
+storage.buffercache.pagesize=32KB
+storage.buffercache.size=128MB
+storage.memorycomponent.globalbudget=512MB
+storage.io.scheduler=greedy
+storage.filtered.memorycomponent.max.size=16MB
+
+[cc]
+address=127.0.0.1
+app.class=org.apache.asterix.hyracks.bootstrap.CCApplication
+heartbeat.period=2000
+heartbeat.max.misses=25
+
+[common]
+log.dir=logs/
+log.level=INFO
+compiler.framesize=32KB
+compiler.sortmemory=320KB
+compiler.groupmemory=160KB
+compiler.joinmemory=256KB
+compiler.textsearchmemory=160KB
+compiler.windowmemory=192KB
+compiler.sort.parallel=false
+compiler.internal.sanitycheck=true
+messaging.frame.size=4096
+messaging.frame.count=512
+
+[extension/org.apache.asterix.graphix.extension.GraphixQueryTranslatorExtension]
+enabled=true
+[extension/org.apache.asterix.graphix.extension.GraphixLangExtension]
+enabled=true
+[extension/org.apache.asterix.graphix.extension.GraphixMetadataExtension]
+enabled=true
\ No newline at end of file
diff --git a/asterix-graphix/src/main/resources/lang-extension/lang.txt b/asterix-graphix/src/main/resources/lang-extension/lang.txt
new file mode 100644
index 0000000..3b51371
--- /dev/null
+++ b/asterix-graphix/src/main/resources/lang-extension/lang.txt
@@ -0,0 +1,354 @@
+//
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements. See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership. The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied. See the License for the
+// specific language governing permissions and limitations
+// under the License.
+//
+
+import org.apache.asterix.graphix.common.metadata.GraphElementIdentifier;
+import org.apache.asterix.graphix.lang.expression.GraphConstructor;
+import org.apache.asterix.graphix.lang.statement.CreateGraphStatement;
+import org.apache.asterix.graphix.lang.statement.GraphDropStatement;
+import org.apache.asterix.graphix.lang.statement.GraphElementDecl;
+import org.apache.asterix.lang.sqlpp.parser.ParseException;
+import org.apache.asterix.lang.sqlpp.parser.SqlppParseException;
+import org.apache.asterix.lang.sqlpp.parser.Token;
+
+@new_at_the_class_def
+public GraphElementDecl parseGraphElementBody(GraphElementIdentifier identifier) throws CompilationException {
+ return parseImpl(new ParseFunction<GraphElementDecl>() {
+ @Override
+ public GraphElementDecl parse() throws ParseException {
+ DataverseName dataverse = defaultDataverse;
+ defaultDataverse = identifier.getGraphIdentifier().getDataverseName();
+
+ // We borrow the ViewBody production, where we have a SelectExpression or a VariableRef.
+ createNewScope();
+ Expression elementBodyExpr = GraphixParser.this.ViewBody();
+ removeCurrentScope();
+
+ defaultDataverse = dataverse;
+ return new GraphElementDecl(identifier, elementBodyExpr);
+ }
+ });
+}
+
+@merge
+Statement CreateStatement() throws ParseException:
+{
+ // merge area 1
+ before:
+ after:
+}
+{
+ (
+ // merge area 2
+ before:
+ after: | stmt = CreateGraphStatement(startToken, false)
+ )
+ {
+ // merge area 3
+ }
+}
+
+@merge
+Statement CreateOrReplaceStatement(Token startStmtToken) throws ParseException:
+{
+ // merge area 1
+ before:
+ after:
+}
+{
+ (
+ // merge area 2
+ before:
+ after: | stmt = CreateGraphStatement(startStmtToken, true)
+ )
+ {
+ // merge area 3
+ }
+}
+
+@merge
+Statement DropStatement() throws ParseException:
+{
+ // merge area 1
+ before:
+ after:
+}
+{
+ (
+ // merge area 2
+ before:
+ after: | stmt = DropGraphStatement(startToken)
+ )
+ {
+ // merge area 3
+ }
+}
+
+@new
+CreateGraphStatement CreateGraphStatement(Token startStmtToken, boolean orReplace) throws ParseException:
+{
+ CreateGraphStatement stmt = null;
+}
+{
+ <GRAPH> stmt = CreateGraphSpecification(startStmtToken, orReplace)
+ {
+ return stmt;
+ }
+}
+
+@new
+CreateGraphStatement CreateGraphSpecification(Token startStmtToken, boolean orReplace) throws ParseException:
+{
+ Pair<DataverseName, Identifier> nameComponents = null;
+ GraphConstructor graphConstructor = null;
+ boolean ifNotExists = false;
+}
+{
+ nameComponents = QualifiedName()
+ ifNotExists = IfNotExists()
+ {
+ if (orReplace && ifNotExists) {
+ throw new SqlppParseException(getSourceLocation(startStmtToken), "Unexpected IF NOT EXISTS");
+ }
+ }
+ <AS> graphConstructor = GraphConstructor(token)
+ {
+ CreateGraphStatement stmt = new CreateGraphStatement(nameComponents.first, nameComponents.second.getValue(),
+ orReplace, ifNotExists, graphConstructor);
+ return addSourceLocation(stmt, startStmtToken);
+ }
+}
+
+@new
+Pair<List<Integer>, List<List<String>>> KeyFields() throws ParseException:
+{
+ Pair<List<Integer>, List<List<String>>> keyFields = null;
+}
+{
+ // This is essentially an alias for the production PrimaryKeyFields.
+ keyFields = PrimaryKeyFields()
+ {
+ return keyFields;
+ }
+}
+
+@new
+GraphConstructor GraphConstructor(Token startStmtToken) throws ParseException:
+{
+ List<GraphConstructor.VertexElement> vertexElements = new ArrayList<GraphConstructor.VertexElement>();
+ List<GraphConstructor.EdgeElement> edgeElements = new ArrayList<GraphConstructor.EdgeElement>();
+ GraphConstructor.VertexElement vertexElement = null;
+ GraphConstructor.EdgeElement edgeElement = null;
+}
+{
+ vertexElement = GraphVertexSpecification(startStmtToken) { vertexElements.add(vertexElement); }
+ ( <COMMA>
+ (
+ ( vertexElement = GraphVertexSpecification(token) { vertexElements.add(vertexElement); } )
+ | ( edgeElement = GraphEdgeSpecification(token) { edgeElements.add(edgeElement); } )
+ )
+ )*
+ {
+ GraphConstructor graphConstructor = new GraphConstructor(vertexElements, edgeElements);
+ return addSourceLocation(graphConstructor, startStmtToken);
+ }
+}
+
+@new
+GraphConstructor.VertexElement GraphVertexSpecification(Token startStmtToken) throws ParseException:
+{
+ Pair<List<Integer>, List<List<String>>> primaryKeyFields;
+ Token beginPos = null, endPos = null;
+ Expression vertexDefinitionExpr;
+ String vertexName;
+}
+{
+ <VERTEX>
+ vertexName = GraphVertexDefinitionPattern()
+ <PRIMARY> <KEY> <LEFTPAREN> primaryKeyFields = KeyFields() <RIGHTPAREN>
+ <AS>
+ {
+ beginPos = token;
+ createNewScope();
+ }
+ (
+ vertexDefinitionExpr = ViewBody()
+ | <LEFTPAREN> vertexDefinitionExpr = ViewBody() <RIGHTPAREN>
+ )
+ {
+ endPos = token;
+ String vDef = extractFragment(beginPos.beginLine, beginPos.beginColumn + 1, endPos.endLine, endPos.endColumn + 1);
+ removeCurrentScope();
+ GraphConstructor.VertexElement vertexElement = new GraphConstructor.VertexElement(vertexName,
+ primaryKeyFields.second, primaryKeyFields.first, vertexDefinitionExpr, vDef);
+ return addSourceLocation(vertexElement, startStmtToken);
+ }
+}
+
+@new
+String GraphVertexDefinitionPattern() throws ParseException:
+{
+ String vertexName;
+}
+{
+ <LEFTPAREN> <COLON> vertexName = Identifier() <RIGHTPAREN>
+ {
+ return vertexName;
+ }
+}
+
+@new
+GraphConstructor.EdgeElement GraphEdgeSpecification(Token startStmtToken) throws ParseException:
+{
+ Pair<Triple<String, String, String>, Boolean> edgeDefinitionPattern;
+ Pair<List<Integer>, List<List<String>>> keyFields;
+ Token beginPos = null, endPos = null;
+ Expression edgeDefinitionExpr = null;
+
+ List<Integer> destinationKeySourceIndicators = null;
+ List<Integer> sourceKeySourceIndicators = null;
+ List<Integer> primaryKeySourceIndicators = null;
+ List<List<String>> destinationKeyFields = null;
+ List<List<String>> sourceKeyFields = null;
+ List<List<String>> primaryKeyFields = null;
+}
+{
+ <EDGE>
+ edgeDefinitionPattern = GraphEdgeDefinitionPattern()
+ (
+ (
+ <PRIMARY> <KEY> <LEFTPAREN> keyFields = KeyFields() <RIGHTPAREN>
+ {
+ primaryKeyFields = keyFields.second;
+ primaryKeySourceIndicators = keyFields.first;
+ }
+ <SOURCE> <KEY> <LEFTPAREN> keyFields = KeyFields() <RIGHTPAREN>
+ {
+ sourceKeyFields = keyFields.second;
+ sourceKeySourceIndicators = keyFields.first;
+ }
+ <DESTINATION> <KEY> <LEFTPAREN> keyFields = KeyFields() <RIGHTPAREN>
+ {
+ destinationKeyFields = keyFields.second;
+ destinationKeySourceIndicators = keyFields.first;
+ }
+ <AS>
+ {
+ beginPos = token;
+ createNewScope();
+ }
+ (
+ edgeDefinitionExpr = ViewBody()
+ | <LEFTPAREN> edgeDefinitionExpr = ViewBody() <RIGHTPAREN>
+ )
+ )
+ |
+ (
+ <DESTINATION> <KEY> <LEFTPAREN> keyFields = KeyFields() <RIGHTPAREN>
+ {
+ destinationKeyFields = keyFields.second;
+ destinationKeySourceIndicators = keyFields.first;
+ }
+ )
+ )
+ {
+ String destinationLabel, edgeLabel, sourceLabel;
+ if (edgeDefinitionPattern.second) { // isDirectedLeft
+ sourceLabel = edgeDefinitionPattern.first.third;
+ edgeLabel = edgeDefinitionPattern.first.second;
+ destinationLabel = edgeDefinitionPattern.first.first;
+ } else {
+ sourceLabel = edgeDefinitionPattern.first.first;
+ edgeLabel = edgeDefinitionPattern.first.second;
+ destinationLabel = edgeDefinitionPattern.first.third;
+ }
+
+ String eDef = null;
+ if (edgeDefinitionExpr != null) {
+ endPos = token;
+ eDef = extractFragment(beginPos.beginLine, beginPos.beginColumn + 1, endPos.endLine, endPos.endColumn + 1);
+ removeCurrentScope();
+ }
+
+ GraphConstructor.EdgeElement edgeElement = new GraphConstructor.EdgeElement(edgeLabel, destinationLabel,
+ sourceLabel, primaryKeyFields, primaryKeySourceIndicators, destinationKeyFields, destinationKeySourceIndicators,
+ sourceKeyFields, sourceKeySourceIndicators, edgeDefinitionExpr, eDef);
+ return addSourceLocation(edgeElement, startStmtToken);
+ }
+}
+
+@new
+Pair<Triple<String, String, String>, Boolean> GraphEdgeDefinitionPattern() throws ParseException:
+{
+ String leftVertexName, edgeName, rightVertexName;
+ boolean isDirectedLeft;
+}
+{
+ leftVertexName = GraphVertexDefinitionPattern()
+ ( <MINUS> <LEFTBRACKET> <COLON> edgeName = Identifier() <RIGHTBRACKET> <MINUS> <GT> { isDirectedLeft = false; }
+ | <LT> <MINUS> <LEFTBRACKET> <COLON> edgeName = Identifier() <RIGHTBRACKET> <MINUS> { isDirectedLeft = true; } )
+ rightVertexName = GraphVertexDefinitionPattern()
+ {
+ Triple<String, String, String> t = new Triple<String, String, String>(leftVertexName, edgeName, rightVertexName);
+ return new Pair<Triple<String, String, String>, Boolean>(t, isDirectedLeft);
+ }
+}
+
+@new
+GraphDropStatement DropGraphStatement(Token startStmtToken) throws ParseException:
+{
+ GraphDropStatement stmt = null;
+}
+{
+ <GRAPH> stmt = DropGraphSpecification(startStmtToken)
+ {
+ return stmt;
+ }
+}
+
+@new
+GraphDropStatement DropGraphSpecification(Token startStmtToken) throws ParseException:
+{
+ Pair<DataverseName, Identifier> pairId = null;
+ boolean ifExists = false;
+}
+{
+ pairId = QualifiedName() ifExists = IfExists()
+ {
+ GraphDropStatement stmt = new GraphDropStatement(pairId.first, pairId.second.getValue(), ifExists);
+ return addSourceLocation(stmt, startStmtToken);
+ }
+}
+
+@new
+<DEFAULT,IN_DBL_BRACE>
+TOKEN [IGNORE_CASE]:
+{
+ <DESTINATION: "destination">
+ | <EDGE: "edge">
+ | <GRAPH: "graph">
+ | <SOURCE: "source">
+ | <VERTEX: "vertex">
+}
+
+@new_at_the_end
+<DEFAULT,IN_DBL_BRACE>
+TOKEN :
+{
+ <BAR: "|">
+}
\ No newline at end of file
diff --git a/asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixExecutionTest.java b/asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixExecutionTest.java
new file mode 100644
index 0000000..0820e29
--- /dev/null
+++ b/asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixExecutionTest.java
@@ -0,0 +1,91 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.test;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Collection;
+
+import org.apache.asterix.test.common.TestExecutor;
+import org.apache.asterix.test.runtime.ExecutionTestUtil;
+import org.apache.asterix.testframework.context.TestCaseContext;
+import org.apache.asterix.testframework.xml.TestGroup;
+import org.apache.commons.lang3.StringUtils;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+
+@RunWith(Parameterized.class)
+public class GraphixExecutionTest {
+ protected static final String PATH_ACTUAL = "target/rttest" + File.separator;
+ protected static final String PATH_BASE =
+ StringUtils.join(new String[] { "src", "test", "resources", "runtimets" }, File.separator);
+ protected static final String TEST_CONFIG_FILE_NAME = "src/main/resources/cc.conf";
+ private static final String TEST_SUITE_FILE = "testsuite.xml";
+ private static final String ONLY_SUITE_FILE = "only.xml";
+
+ private static final GraphixIntegrationUtil integrationUtil = new GraphixIntegrationUtil();
+ private static final TestExecutor testExecutor = new TestExecutor();
+
+ protected static TestGroup FailedGroup;
+ protected TestCaseContext tcCtx;
+
+ public GraphixExecutionTest(TestCaseContext tcCtx) {
+ this.tcCtx = tcCtx;
+ }
+
+ @BeforeClass
+ public static void setUp() throws Exception {
+ //noinspection ResultOfMethodCallIgnored
+ new File(PATH_ACTUAL).mkdirs();
+ ExecutionTestUtil.setUp(true, TEST_CONFIG_FILE_NAME, integrationUtil, false, null);
+ }
+
+ @AfterClass
+ public static void tearDown() throws Exception {
+ ExecutionTestUtil.tearDown(true, integrationUtil, true);
+ integrationUtil.removeTestStorageFiles();
+ }
+
+ @Parameters(name = "ExecutionTest {index}: {0}")
+ public static Collection<Object[]> tests() throws Exception {
+ Collection<Object[]> test_cases = buildTestsInXml(ONLY_SUITE_FILE);
+ if (test_cases.size() == 0) {
+ test_cases = buildTestsInXml(TEST_SUITE_FILE);
+ }
+ return test_cases;
+ }
+
+ protected static Collection<Object[]> buildTestsInXml(String xmlfile) throws Exception {
+ Collection<Object[]> testArgs = new ArrayList<>();
+ TestCaseContext.Builder b = new TestCaseContext.Builder();
+ for (TestCaseContext ctx : b.build(new File(PATH_BASE), xmlfile)) {
+ testArgs.add(new Object[] { ctx });
+ }
+ return testArgs;
+ }
+
+ @Test
+ public void test() throws Exception {
+ testExecutor.executeTest(PATH_ACTUAL, tcCtx, null, false, FailedGroup);
+ }
+}
diff --git a/asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixIntegrationUtil.java b/asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixIntegrationUtil.java
new file mode 100644
index 0000000..e3ea8e9
--- /dev/null
+++ b/asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixIntegrationUtil.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2009-2013 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.asterix.graphix.test;
+
+import org.apache.asterix.api.common.AsterixHyracksIntegrationUtil;
+import org.apache.hyracks.test.support.TestUtils;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+
+@RunWith(Parameterized.class)
+public class GraphixIntegrationUtil extends AsterixHyracksIntegrationUtil {
+ private static final String DEFAULT_CONF_FILE = "asterixdb/asterix-opt/asterix-graphix/src/main/resources/cc.conf";
+
+ public static void main(String[] args) {
+ TestUtils.redirectLoggingToConsole();
+ GraphixIntegrationUtil graphixIntegrationUtil = new GraphixIntegrationUtil();
+ try {
+ boolean cleanupOnStart = Boolean.getBoolean("cleanup.start");
+ boolean cleanupOnShutdown = Boolean.getBoolean("cleanup.shutdown");
+ String confFile = System.getProperty("external.lib", DEFAULT_CONF_FILE);
+ graphixIntegrationUtil.run(cleanupOnStart, cleanupOnShutdown, confFile);
+ } catch (Exception e) {
+ e.printStackTrace();
+ System.exit(1);
+ }
+ }
+}
diff --git a/asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixMetadataTest.java b/asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixMetadataTest.java
new file mode 100644
index 0000000..bf2c756
--- /dev/null
+++ b/asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixMetadataTest.java
@@ -0,0 +1,81 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.test;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Collection;
+
+import org.apache.asterix.test.common.TestExecutor;
+import org.apache.asterix.testframework.context.TestCaseContext;
+import org.apache.commons.lang3.StringUtils;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+
+@RunWith(Parameterized.class)
+public class GraphixMetadataTest {
+ private static final String PATH_ACTUAL = "target" + File.separator + "mdtest" + File.separator;
+ private static final String PATH_BASE =
+ StringUtils.join(new String[] { "src", "test", "resources", "metadata" + File.separator }, File.separator);
+ private static final String TEST_CONFIG_FILE_NAME = "src/main/resources/cc.conf";
+
+ private static final TestExecutor testExecutor = new TestExecutor();
+ private static final GraphixIntegrationUtil integrationUtil = new GraphixIntegrationUtil();
+
+ private final TestCaseContext tcCtx;
+
+ public GraphixMetadataTest(TestCaseContext tcCtx) {
+ this.tcCtx = tcCtx;
+ }
+
+ @BeforeClass
+ public static void setUp() throws Exception {
+ //noinspection ResultOfMethodCallIgnored
+ new File(PATH_ACTUAL).mkdirs();
+ integrationUtil.init(true, TEST_CONFIG_FILE_NAME);
+ }
+
+ @AfterClass
+ public static void tearDown() throws Exception {
+ integrationUtil.deinit(true);
+ File outdir = new File(PATH_ACTUAL);
+ File[] files = outdir.listFiles();
+ if (files == null || files.length == 0) {
+ //noinspection ResultOfMethodCallIgnored
+ outdir.delete();
+ }
+ }
+
+ @Parameters(name = "MetadataTest {index}: {0}")
+ public static Collection<Object[]> tests() throws Exception {
+ Collection<Object[]> testArgs = new ArrayList<>();
+ TestCaseContext.Builder b = new TestCaseContext.Builder();
+ for (TestCaseContext ctx : b.build(new File(PATH_BASE))) {
+ testArgs.add(new Object[] { ctx });
+ }
+ return testArgs;
+ }
+
+ @Test
+ public void test() throws Exception {
+ testExecutor.executeTest(PATH_ACTUAL, tcCtx, null, false);
+ }
+}
diff --git a/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.1.ddl.sqlpp b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.1.ddl.sqlpp
new file mode 100644
index 0000000..0f4761d
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.1.ddl.sqlpp
@@ -0,0 +1,115 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+DROP DATAVERSE Yelp IF EXISTS;
+DROP DATAVERSE Yelp_A IF EXISTS;
+DROP DATAVERSE Yelp_B IF EXISTS;
+CREATE DATAVERSE Yelp;
+CREATE DATAVERSE Yelp_A;
+CREATE DATAVERSE Yelp_B;
+
+USE Yelp_A;
+CREATE TYPE GenericType
+AS { _id: uuid };
+CREATE DATASET Businesses (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE DATASET Checkins (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE DATASET Friends (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE DATASET Reviews (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE DATASET Tips (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE DATASET Users (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE FUNCTION RelevantBusinesses()
+ { FROM Businesses B
+ WHERE B.stars > 3.5
+ SELECT B.* };
+
+USE Yelp_B;
+CREATE TYPE GenericType
+AS { _id: uuid };
+CREATE DATASET Businesses (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE DATASET Checkins (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE DATASET Friends (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE DATASET Reviews (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE DATASET Tips (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE DATASET Users (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE SYNONYM Yelpers FOR Users;
+
+USE Yelp;
+CREATE GRAPH YelpGraph_1 AS
+VERTEX (:User)
+ PRIMARY KEY (user_id)
+ AS Yelp_B.Yelpers,
+VERTEX (:Review)
+ PRIMARY KEY (review_id)
+ AS ( FROM Yelp_A.Reviews R
+ SELECT VALUE R ),
+VERTEX (:Business)
+ PRIMARY KEY (business_id)
+ AS ( FROM Yelp_A.RelevantBusinesses() B
+ SELECT VALUE B ),
+EDGE (:User)-[:FRIENDS_WITH]->(:User)
+ PRIMARY KEY (user_id, friend)
+ SOURCE KEY (user_id)
+ DESTINATION KEY (friend)
+ AS ( FROM Yelp_B.Users U
+ UNNEST U.friends F
+ SELECT U.user_id, F AS friend ),
+EDGE (:User)-[:FRIENDS_WITH]->(:User)
+ PRIMARY KEY (user_id, friend)
+ SOURCE KEY (user_id)
+ DESTINATION KEY (friend)
+ AS Yelp_B.Friends,
+EDGE (:Review)-[:MADE_BY]->(:User)
+ DESTINATION KEY (user_id),
+EDGE (:Review)-[:ABOUT]->(:Business)
+ DESTINATION KEY (business_id);
+
+CREATE GRAPH YelpGraph_2 IF NOT EXISTS AS
+VERTEX (:Review)
+ PRIMARY KEY (review_id)
+ AS ( FROM Yelp_A.Reviews R
+ SELECT VALUE R ),
+VERTEX (:Business)
+ PRIMARY KEY (business_id)
+ AS ( FROM Yelp_A.RelevantBusinesses() B
+ SELECT VALUE B ),
+EDGE (:Review)-[:ABOUT]->(:Business)
+ DESTINATION KEY (business_id);
+CREATE GRAPH YelpGraph_2 IF NOT EXISTS AS
+VERTEX (:Review)
+ PRIMARY KEY (review_id)
+ AS ( FROM Yelp_A.Reviews R
+ SELECT VALUE R ),
+VERTEX (:Business)
+ PRIMARY KEY (business_id)
+ AS ( FROM Yelp_A.RelevantBusinesses() B
+ SELECT VALUE B ),
+EDGE (:Review)-[:ABOUT]->(:Business)
+ DESTINATION KEY (business_id);
diff --git a/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.2.query.sqlpp b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.2.query.sqlpp
new file mode 100644
index 0000000..b8151af
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.2.query.sqlpp
@@ -0,0 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+FROM `Metadata`.`Graph` G
+SELECT G.DataverseName, G.GraphName, G.Dependencies, G.Vertices, G.Edges
+ORDER BY G.DataverseName, G.GraphName;
diff --git a/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.3.ddl.sqlpp b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.3.ddl.sqlpp
new file mode 100644
index 0000000..ca52d3d
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.3.ddl.sqlpp
@@ -0,0 +1,21 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+DROP GRAPH Yelp.YelpGraph_1 IF EXISTS;
+DROP GRAPH Yelp.YelpGraph_1 IF EXISTS;
diff --git a/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.4.query.sqlpp b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.4.query.sqlpp
new file mode 100644
index 0000000..b8151af
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.4.query.sqlpp
@@ -0,0 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+FROM `Metadata`.`Graph` G
+SELECT G.DataverseName, G.GraphName, G.Dependencies, G.Vertices, G.Edges
+ORDER BY G.DataverseName, G.GraphName;
diff --git a/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.5.ddl.sqlpp b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.5.ddl.sqlpp
new file mode 100644
index 0000000..586a718
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.5.ddl.sqlpp
@@ -0,0 +1,47 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+CREATE OR REPLACE GRAPH Yelp.YelpGraph_2 AS
+VERTEX (:User)
+ PRIMARY KEY (user_id)
+ AS Yelp_B.Yelpers,
+VERTEX (:Review)
+ PRIMARY KEY (review_id)
+ AS ( FROM Yelp_A.Reviews R
+ SELECT VALUE R ),
+VERTEX (:Business)
+ PRIMARY KEY (business_id)
+ AS ( FROM Yelp_A.RelevantBusinesses() B
+ SELECT VALUE B ),
+EDGE (:User)-[:FRIENDS_WITH]->(:User)
+ PRIMARY KEY (user_id, friend)
+ SOURCE KEY (user_id)
+ DESTINATION KEY (friend)
+ AS ( FROM Yelp_B.Users U
+ UNNEST U.friends F
+ SELECT U.user_id, F AS friend ),
+EDGE (:User)-[:FRIENDS_WITH]->(:User)
+ PRIMARY KEY (user_id, friend)
+ SOURCE KEY (user_id)
+ DESTINATION KEY (friend)
+ AS Yelp_B.Friends,
+EDGE (:Review)-[:MADE_BY]->(:User)
+ DESTINATION KEY (user_id),
+EDGE (:Review)-[:ABOUT]->(:Business)
+ DESTINATION KEY (business_id);
diff --git a/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.6.query.sqlpp b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.6.query.sqlpp
new file mode 100644
index 0000000..b8151af
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.6.query.sqlpp
@@ -0,0 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+FROM `Metadata`.`Graph` G
+SELECT G.DataverseName, G.GraphName, G.Dependencies, G.Vertices, G.Edges
+ORDER BY G.DataverseName, G.GraphName;
diff --git a/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.7.ddl.sqlpp b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.7.ddl.sqlpp
new file mode 100644
index 0000000..d846648
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.7.ddl.sqlpp
@@ -0,0 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+DROP DATAVERSE Yelp;
+DROP DATAVERSE Yelp_A;
+DROP DATAVERSE Yelp_B;
\ No newline at end of file
diff --git a/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.8.query.sqlpp b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.8.query.sqlpp
new file mode 100644
index 0000000..9667fd6
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.8.query.sqlpp
@@ -0,0 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+FROM `Metadata`.`Graph` G
+WHERE G.DataverseName IN [ "Yelp", "Yelp_A", "Yelp_B" ]
+SELECT VALUE { "count": COUNT(*) };
diff --git a/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.1.adm b/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.1.adm
new file mode 100644
index 0000000..31c330c
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.1.adm
@@ -0,0 +1,2 @@
+{ "DataverseName": "Yelp", "GraphName": "YelpGraph_1", "Dependencies": [ [ [ "Yelp_A", "Reviews" ], [ "Yelp_B", "Users" ], [ "Yelp_B", "Friends" ] ], [ [ "Yelp_B", "Yelpers" ] ], [ [ "Yelp_A", "RelevantBusinesses", "0" ] ] ], "Vertices": [ { "Label": "User", "PrimaryKey": [ [ "user_id" ] ], "Definitions": [ "Yelp_B.Yelpers" ] }, { "Label": "Review", "PrimaryKey": [ [ "review_id" ] ], "Definitions": [ "( FROM Yelp_A.Reviews R\n SELECT VALUE R )" ] }, { "Label": "Business", "PrimaryKey": [ [ "business_id" ] ], "Definitions": [ "( FROM Yelp_A.RelevantBusinesses() B\n SELECT VALUE B )" ] } ], "Edges": [ { "Label": "FRIENDS_WITH", "DestinationLabel": "User", "SourceLabel": "User", "PrimaryKey": [ [ "user_id" ], [ "friend" ] ], "DestinationKey": [ [ "friend" ] ], "SourceKey": [ [ "user_id" ] ], "Definitions": [ "( FROM Yelp_B.Users U\n UNNEST U.friends F\n SELECT U.user_id, F AS friend )", "Yelp_B.Friends" ] }, { "Label": "MADE_BY", "DestinationLabel": "User", "SourceLabel": "Review", "PrimaryKey": [ [ "review_id" ] ], "DestinationKey": [ [ "user_id" ] ], "SourceKey": [ [ "review_id" ] ], "Definitions": [ "" ] }, { "Label": "ABOUT", "DestinationLabel": "Business", "SourceLabel": "Review", "PrimaryKey": [ [ "review_id" ] ], "DestinationKey": [ [ "business_id" ] ], "SourceKey": [ [ "review_id" ] ], "Definitions": [ "" ] } ] }
+{ "DataverseName": "Yelp", "GraphName": "YelpGraph_2", "Dependencies": [ [ [ "Yelp_A", "Reviews" ] ], [ ], [ [ "Yelp_A", "RelevantBusinesses", "0" ] ] ], "Vertices": [ { "Label": "Review", "PrimaryKey": [ [ "review_id" ] ], "Definitions": [ "( FROM Yelp_A.Reviews R\n SELECT VALUE R )" ] }, { "Label": "Business", "PrimaryKey": [ [ "business_id" ] ], "Definitions": [ "( FROM Yelp_A.RelevantBusinesses() B\n SELECT VALUE B )" ] } ], "Edges": [ { "Label": "ABOUT", "DestinationLabel": "Business", "SourceLabel": "Review", "PrimaryKey": [ [ "review_id" ] ], "DestinationKey": [ [ "business_id" ] ], "SourceKey": [ [ "review_id" ] ], "Definitions": [ "" ] } ] }
\ No newline at end of file
diff --git a/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.2.adm b/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.2.adm
new file mode 100644
index 0000000..a749b72
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.2.adm
@@ -0,0 +1 @@
+{ "DataverseName": "Yelp", "GraphName": "YelpGraph_2", "Dependencies": [ [ [ "Yelp_A", "Reviews" ] ], [ ], [ [ "Yelp_A", "RelevantBusinesses", "0" ] ] ], "Vertices": [ { "Label": "Review", "PrimaryKey": [ [ "review_id" ] ], "Definitions": [ "( FROM Yelp_A.Reviews R\n SELECT VALUE R )" ] }, { "Label": "Business", "PrimaryKey": [ [ "business_id" ] ], "Definitions": [ "( FROM Yelp_A.RelevantBusinesses() B\n SELECT VALUE B )" ] } ], "Edges": [ { "Label": "ABOUT", "DestinationLabel": "Business", "SourceLabel": "Review", "PrimaryKey": [ [ "review_id" ] ], "DestinationKey": [ [ "business_id" ] ], "SourceKey": [ [ "review_id" ] ], "Definitions": [ "" ] } ] }
diff --git a/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.3.adm b/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.3.adm
new file mode 100644
index 0000000..80af6cb
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.3.adm
@@ -0,0 +1 @@
+{ "DataverseName": "Yelp", "GraphName": "YelpGraph_2", "Dependencies": [ [ [ "Yelp_A", "Reviews" ], [ "Yelp_B", "Users" ], [ "Yelp_B", "Friends" ] ], [ [ "Yelp_B", "Yelpers" ] ], [ [ "Yelp_A", "RelevantBusinesses", "0" ] ] ], "Vertices": [ { "Label": "User", "PrimaryKey": [ [ "user_id" ] ], "Definitions": [ "Yelp_B.Yelpers" ] }, { "Label": "Review", "PrimaryKey": [ [ "review_id" ] ], "Definitions": [ "( FROM Yelp_A.Reviews R\n SELECT VALUE R )" ] }, { "Label": "Business", "PrimaryKey": [ [ "business_id" ] ], "Definitions": [ "( FROM Yelp_A.RelevantBusinesses() B\n SELECT VALUE B )" ] } ], "Edges": [ { "Label": "FRIENDS_WITH", "DestinationLabel": "User", "SourceLabel": "User", "PrimaryKey": [ [ "user_id" ], [ "friend" ] ], "DestinationKey": [ [ "friend" ] ], "SourceKey": [ [ "user_id" ] ], "Definitions": [ "( FROM Yelp_B.Users U\n UNNEST U.friends F\n SELECT U.user_id, F AS friend )", "Yelp_B.Friends" ] }, { "Label": "MADE_BY", "DestinationLabel": "User", "SourceLabel": "Review", "PrimaryKey": [ [ "review_id" ] ], "DestinationKey": [ [ "user_id" ] ], "SourceKey": [ [ "review_id" ] ], "Definitions": [ "" ] }, { "Label": "ABOUT", "DestinationLabel": "Business", "SourceLabel": "Review", "PrimaryKey": [ [ "review_id" ] ], "DestinationKey": [ [ "business_id" ] ], "SourceKey": [ [ "review_id" ] ], "Definitions": [ "" ] } ] }
diff --git a/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.4.adm b/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.4.adm
new file mode 100644
index 0000000..c1a0ea2
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.4.adm
@@ -0,0 +1 @@
+{ "count": 0 }
\ No newline at end of file
diff --git a/asterix-graphix/src/test/resources/metadata/testsuite.xml b/asterix-graphix/src/test/resources/metadata/testsuite.xml
new file mode 100644
index 0000000..2f45b91
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/testsuite.xml
@@ -0,0 +1,28 @@
+<!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<test-suite xmlns="urn:xml.testframework.asterix.apache.org"
+ ResultOffsetPath="results"
+ QueryOffsetPath="queries"
+ QueryFileExtension=".sqlpp">
+ <test-group name="yelp-example">
+ <test-case FilePath="graphix">
+ <compilation-unit name="yelp-example">
+ <output-dir compare="Text">yelp-example</output-dir>
+ </compilation-unit>
+ </test-case>
+ </test-group>
+</test-suite>
diff --git a/asterix-graphix/src/test/resources/runtimets/only.xml b/asterix-graphix/src/test/resources/runtimets/only.xml
new file mode 100644
index 0000000..9cb8228
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/only.xml
@@ -0,0 +1,25 @@
+<!--
+ ! Licensed to the Apache Software Foundation (ASF) under one
+ ! or more contributor license agreements. See the NOTICE file
+ ! distributed with this work for additional information
+ ! regarding copyright ownership. The ASF licenses this file
+ ! to you under the Apache License, Version 2.0 (the
+ ! "License"); you may not use this file except in compliance
+ ! with the License. You may obtain a copy of the License at
+ !
+ ! http://www.apache.org/licenses/LICENSE-2.0
+ !
+ ! Unless required by applicable law or agreed to in writing,
+ ! software distributed under the License is distributed on an
+ ! "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ! KIND, either express or implied. See the License for the
+ ! specific language governing permissions and limitations
+ ! under the License.
+ !-->
+<test-suite xmlns="urn:xml.testframework.asterix.apache.org"
+ ResultOffsetPath="results"
+ QueryOffsetPath="queries"
+ QueryFileExtension=".sqlpp">
+ <test-group name="failed">
+ </test-group>
+</test-suite>
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.1.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.1.ddl.sqlpp
new file mode 100644
index 0000000..ff47a77
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.1.ddl.sqlpp
@@ -0,0 +1,42 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that a dataset that a graph is dependent on cannot be dropped.
+
+DROP DATAVERSE TestDataverse IF EXISTS;
+CREATE DATAVERSE TestDataverse;
+USE TestDataverse;
+
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex2)
+ DESTINATION KEY (_foreign_id);
+
+DROP DATASET GenericDataset;
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.10.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.10.ddl.sqlpp
new file mode 100644
index 0000000..fe00035
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.10.ddl.sqlpp
@@ -0,0 +1,71 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that we cannot create a graph in the same dataverse with the same name.
+
+DROP DATAVERSE TestDataverse1 IF EXISTS;
+DROP DATAVERSE TestDataverse2 IF EXISTS;
+CREATE DATAVERSE TestDataverse1;
+CREATE DATAVERSE TestDataverse2;
+
+USE TestDataverse1;
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex2)
+ DESTINATION KEY (_foreign_id);
+
+USE TestDataverse2;
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex2)
+ DESTINATION KEY (_foreign_id);
+
+USE TestDataverse1;
+CREATE GRAPH TestGraph IF NOT EXISTS AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset;
+
+USE TestDataverse2;
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset;
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.11.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.11.ddl.sqlpp
new file mode 100644
index 0000000..ff0f01e
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.11.ddl.sqlpp
@@ -0,0 +1,43 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that we cannot drop a graph that doesn't exist.
+
+DROP DATAVERSE TestDataverse IF EXISTS;
+CREATE DATAVERSE TestDataverse;
+USE TestDataverse;
+
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex2)
+ DESTINATION KEY (_foreign_id);
+
+DROP GRAPH GraphThatDoesntExist1 IF EXISTS;
+DROP GRAPH GraphThatDoesntExist2;
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.2.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.2.ddl.sqlpp
new file mode 100644
index 0000000..09693af
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.2.ddl.sqlpp
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that a function that a graph is dependent on cannot be dropped.
+
+DROP DATAVERSE TestDataverse IF EXISTS;
+CREATE DATAVERSE TestDataverse;
+USE TestDataverse;
+
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE FUNCTION TestFunction () { SELECT VALUE { "a": 1, "b": 1 } };
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex2)
+ PRIMARY KEY (a, b)
+ SOURCE KEY (a)
+ DESTINATION KEY (b)
+ AS ( FROM TestFunction() T
+ SELECT T.* );
+
+DROP FUNCTION TestFunction();
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.3.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.3.ddl.sqlpp
new file mode 100644
index 0000000..a812ea1
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.3.ddl.sqlpp
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that a view that a graph is dependent on cannot be dropped.
+
+DROP DATAVERSE TestDataverse IF EXISTS;
+CREATE DATAVERSE TestDataverse;
+USE TestDataverse;
+
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE VIEW TestView AS SELECT VALUE { "a": 1, "b": 1 };
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex2)
+ PRIMARY KEY (a, b)
+ SOURCE KEY (a)
+ DESTINATION KEY (b)
+ AS ( FROM TestView T
+ SELECT T.* );
+
+DROP VIEW TestView;
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.4.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.4.ddl.sqlpp
new file mode 100644
index 0000000..0cdec73
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.4.ddl.sqlpp
@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that a synonym that a graph is dependent on cannot be dropped.
+
+DROP DATAVERSE TestDataverse IF EXISTS;
+CREATE DATAVERSE TestDataverse;
+USE TestDataverse;
+
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE SYNONYM DatasetSynonym FOR GenericDataset;
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS DatasetSynonym,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex2)
+ DESTINATION KEY (_foreign_id);
+
+DROP SYNONYM DatasetSynonym;
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.5.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.5.ddl.sqlpp
new file mode 100644
index 0000000..844389f
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.5.ddl.sqlpp
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that a dataverse that a graph is dependent on cannot be dropped.
+
+DROP DATAVERSE TestDataverse IF EXISTS;
+DROP DATAVERSE TestDataverse2 IF EXISTS;
+CREATE DATAVERSE TestDataverse;
+CREATE DATAVERSE TestDataverse2;
+
+USE TestDataverse;
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+USE TestDataverse2;
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+USE TestDataverse;
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+USE TestDataverse2;
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+USE TestDataverse;
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS TestDataverse2.GenericDataset,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex2)
+ DESTINATION KEY (_foreign_id);
+
+DROP DATAVERSE TestDataverse2;
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.6.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.6.ddl.sqlpp
new file mode 100644
index 0000000..f6173aa
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.6.ddl.sqlpp
@@ -0,0 +1,40 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that a dataset variable as an element definition is a valid dataset.
+
+DROP DATAVERSE TestDataverse IF EXISTS;
+CREATE DATAVERSE TestDataverse;
+USE TestDataverse;
+
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS DatasetThatDoesNotExist,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex2)
+ DESTINATION KEY (_foreign_id);
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.7.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.7.ddl.sqlpp
new file mode 100644
index 0000000..5191339
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.7.ddl.sqlpp
@@ -0,0 +1,45 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that a subquery as an element definition is a valid query.
+
+DROP DATAVERSE TestDataverse IF EXISTS;
+CREATE DATAVERSE TestDataverse;
+USE TestDataverse;
+
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex2)
+ PRIMARY KEY (_id, _foreign_id)
+ SOURCE KEY (_id)
+ DESTINATION KEY (_foreign_id)
+ AS ( FROM GenericDataset G,
+ GenericDataset G2
+ SELECT V );
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.8.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.8.ddl.sqlpp
new file mode 100644
index 0000000..eb0fa47
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.8.ddl.sqlpp
@@ -0,0 +1,39 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that vertices w/ the same label cannot have conflicting primary keys.
+
+DROP DATAVERSE TestDataverse IF EXISTS;
+CREATE DATAVERSE TestDataverse;
+USE TestDataverse;
+
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex1)
+ PRIMARY KEY (_other_id)
+ AS ( FROM GenericDataset
+ SELECT VALUE { "_other_id": _other_id } );
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.9.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.9.ddl.sqlpp
new file mode 100644
index 0000000..7c5269e
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.9.ddl.sqlpp
@@ -0,0 +1,40 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that edges do not reference a vertex label that does not exist.
+
+DROP DATAVERSE TestDataverse IF EXISTS;
+CREATE DATAVERSE TestDataverse;
+USE TestDataverse;
+
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex3)
+ DESTINATION KEY (_foreign_id);
diff --git a/asterix-graphix/src/test/resources/runtimets/testsuite.xml b/asterix-graphix/src/test/resources/runtimets/testsuite.xml
new file mode 100644
index 0000000..ea6db85
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/testsuite.xml
@@ -0,0 +1,41 @@
+<!--
+ ! Licensed to the Apache Software Foundation (ASF) under one
+ ! or more contributor license agreements. See the NOTICE file
+ ! distributed with this work for additional information
+ ! regarding copyright ownership. The ASF licenses this file
+ ! to you under the Apache License, Version 2.0 (the
+ ! "License"); you may not use this file except in compliance
+ ! with the License. You may obtain a copy of the License at
+ !
+ ! http://www.apache.org/licenses/LICENSE-2.0
+ !
+ ! Unless required by applicable law or agreed to in writing,
+ ! software distributed under the License is distributed on an
+ ! "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ! KIND, either express or implied. See the License for the
+ ! specific language governing permissions and limitations
+ ! under the License.
+ !-->
+<test-suite xmlns="urn:xml.testframework.asterix.apache.org"
+ ResultOffsetPath="results"
+ QueryOffsetPath="queries"
+ QueryFileExtension=".sqlpp">
+ <test-group name="error-handling">
+ <test-case FilePath="graphix">
+ <compilation-unit name="error-handling">
+ <output-dir compare="Text">error-handling</output-dir>
+ <expected-error>Cannot drop dataset (or view) TestDataverse.GenericDataset being used by graph TestGraph</expected-error>
+ <expected-error>Cannot drop function TestDataverse.TestFunction() being used by graph TestGraph</expected-error>
+ <expected-error>Cannot drop dataset (or view) TestDataverse.TestView being used by graph TestGraph</expected-error>
+ <expected-error>Cannot drop synonym TestDataverse.DatasetSynonym being used by graph TestGraph</expected-error>
+ <expected-error>Cannot drop dataverse: dataset (or view) TestDataverse2.GenericDataset being used by graph TestGraph</expected-error>
+ <expected-error>Bad definition for a graph element(.)*Cannot find dataset DatasetThatDoesNotExist in dataverse TestDataverse nor an alias with name DatasetThatDoesNotExist</expected-error>
+ <expected-error>Bad definition for a graph element(.)*Cannot resolve ambiguous alias reference for identifier V</expected-error>
+ <expected-error>Conflicting primary keys for vertices with label Vertex1</expected-error>
+ <expected-error>Destination vertex Vertex3 not found in the edge EDGE_1.</expected-error>
+ <expected-error>Graph TestGraph already exists.</expected-error>
+ <expected-error>Graph GraphThatDoesntExist2 does not exist.</expected-error>
+ </compilation-unit>
+ </test-case>
+ </test-group>
+</test-suite>
\ No newline at end of file
diff --git a/asterix-opt-bom/pom.xml b/asterix-opt-bom/pom.xml
new file mode 100644
index 0000000..090c1c4
--- /dev/null
+++ b/asterix-opt-bom/pom.xml
@@ -0,0 +1,42 @@
+<!--
+ ! Licensed to the Apache Software Foundation (ASF) under one
+ ! or more contributor license agreements. See the NOTICE file
+ ! distributed with this work for additional information
+ ! regarding copyright ownership. The ASF licenses this file
+ ! to you under the Apache License, Version 2.0 (the
+ ! "License"); you may not use this file except in compliance
+ ! with the License. You may obtain a copy of the License at
+ !
+ ! http://www.apache.org/licenses/LICENSE-2.0
+ !
+ ! Unless required by applicable law or agreed to in writing,
+ ! software distributed under the License is distributed on an
+ ! "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ! KIND, either express or implied. See the License for the
+ ! specific language governing permissions and limitations
+ ! under the License.
+ !-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+ <groupId>org.apache.asterix.graphix</groupId>
+ <artifactId>asterix-opt</artifactId>
+ <version>0.1.0-SNAPSHOT</version>
+ </parent>
+
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-opt-bom</artifactId>
+ <version>0.9.7-SNAPSHOT</version>
+ <packaging>pom</packaging>
+ <name>asterix-opt-bom</name>
+ <description>Graphix (Graph Extension to AsterixDB)</description>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.apache.asterix.graphix</groupId>
+ <artifactId>asterix-graphix</artifactId>
+ <version>0.1.0-SNAPSHOT</version>
+ </dependency>
+ </dependencies>
+</project>
diff --git a/pom.xml b/pom.xml
new file mode 100644
index 0000000..c5b0b51
--- /dev/null
+++ b/pom.xml
@@ -0,0 +1,37 @@
+<!--
+ ! Licensed to the Apache Software Foundation (ASF) under one
+ ! or more contributor license agreements. See the NOTICE file
+ ! distributed with this work for additional information
+ ! regarding copyright ownership. The ASF licenses this file
+ ! to you under the Apache License, Version 2.0 (the
+ ! "License"); you may not use this file except in compliance
+ ! with the License. You may obtain a copy of the License at
+ !
+ ! http://www.apache.org/licenses/LICENSE-2.0
+ !
+ ! Unless required by applicable law or agreed to in writing,
+ ! software distributed under the License is distributed on an
+ ! "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ! KIND, either express or implied. See the License for the
+ ! specific language governing permissions and limitations
+ ! under the License.
+ !-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+ <groupId>org.apache.asterix.graphix</groupId>
+ <artifactId>asterix-opt</artifactId>
+ <version>0.1.0-SNAPSHOT</version>
+ <packaging>pom</packaging>
+
+ <parent>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>apache-asterixdb</artifactId>
+ <version>0.9.7-SNAPSHOT</version>
+ </parent>
+
+ <modules>
+ <module>asterix-graphix</module>
+ <module>asterix-opt-bom</module>
+ </modules>
+</project>
--
To view, visit https://asterix-gerrit.ics.uci.edu/c/asterixdb-graph/+/14644
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Gerrit-Project: asterixdb-graph
Gerrit-Branch: master
Gerrit-Change-Id: Ibaf4dc7066b85d8ea3b58c6b90fd83af3a700506
Gerrit-Change-Number: 14644
Gerrit-PatchSet: 1
Gerrit-Owner: Glenn Galvizo <gg...@uci.edu>
Gerrit-MessageType: newchange
Change in asterixdb-graph[master]: [ASTERIXDB-2979][MTD][GRAPH] Implement CREATE / DROP GRAPH
Posted by AsterixDB Code Review <do...@asterix-gerrit.ics.uci.edu>.
From Glenn Galvizo <gg...@uci.edu>:
Glenn Galvizo has submitted this change. ( https://asterix-gerrit.ics.uci.edu/c/asterixdb-graph/+/14644 )
Change subject: [ASTERIXDB-2979][MTD][GRAPH] Implement CREATE / DROP GRAPH
......................................................................
[ASTERIXDB-2979][MTD][GRAPH] Implement CREATE / DROP GRAPH
Initial commit. This supports CREATE GRAPH, DROP GRAPH, and prevents
dropping views / functions / datasets / synonyms / dataverses that a
graph depends on.
Change-Id: Ibaf4dc7066b85d8ea3b58c6b90fd83af3a700506
Reviewed-on: https://asterix-gerrit.ics.uci.edu/c/asterixdb-graph/+/14644
Tested-by: Jenkins <je...@fulliautomatix.ics.uci.edu>
Reviewed-by: Ian Maxon <im...@uci.edu>
---
A .gitignore
A asterix-graphix/pom.xml
A asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/compiler/provider/GraphixCompilationProvider.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/compiler/provider/GraphixRuleSetFactory.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/translator/GraphixExpressionToPlanTranslator.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/translator/GraphixExpressionToPlanTranslatorFactory.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/app/translator/GraphixQueryTranslator.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/app/translator/GraphixQueryTranslatorFactory.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/common/metadata/GraphElementIdentifier.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/common/metadata/GraphIdentifier.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixLangExtension.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixMetadataExtension.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixQueryTranslatorExtension.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/expression/GraphConstructor.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/expression/GraphElementExpr.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/parser/GraphElementBodyParser.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/parser/GraphixParserFactory.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixQueryRewriter.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixRewriterFactory.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixRewritingContext.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/visitor/IGraphixLangVisitor.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/CreateGraphStatement.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/GraphDropStatement.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/GraphElementDecl.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/util/GraphStatementHandlingUtil.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/bootstrap/GraphixMetadataIndexes.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/bootstrap/GraphixMetadataRecordTypes.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entities/Graph.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entities/GraphDependencies.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entitytupletranslators/GraphTupleTranslator.java
A asterix-graphix/src/main/resources/cc.conf
A asterix-graphix/src/main/resources/lang-extension/lang.txt
A asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixExecutionTest.java
A asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixIntegrationUtil.java
A asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixMetadataTest.java
A asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.1.ddl.sqlpp
A asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.2.query.sqlpp
A asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.3.ddl.sqlpp
A asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.4.query.sqlpp
A asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.5.ddl.sqlpp
A asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.6.query.sqlpp
A asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.7.ddl.sqlpp
A asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.8.query.sqlpp
A asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.1.adm
A asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.2.adm
A asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.3.adm
A asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.4.adm
A asterix-graphix/src/test/resources/metadata/testsuite.xml
A asterix-graphix/src/test/resources/runtimets/only.xml
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.1.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.10.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.11.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.2.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.3.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.4.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.5.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.6.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.7.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.8.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.9.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/testsuite.xml
A asterix-opt-bom/pom.xml
A pom.xml
63 files changed, 4,923 insertions(+), 0 deletions(-)
Approvals:
Ian Maxon: Looks good to me, approved
Jenkins: Verified
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..a546fd6
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,12 @@
+opttest
+target
+build
+
+.classpath
+.settings
+.project
+.idea
+.DS_Store
+
+*.swp
+*.iml
\ No newline at end of file
diff --git a/asterix-graphix/pom.xml b/asterix-graphix/pom.xml
new file mode 100644
index 0000000..527a593
--- /dev/null
+++ b/asterix-graphix/pom.xml
@@ -0,0 +1,261 @@
+<!--
+ ! Licensed to the Apache Software Foundation (ASF) under one
+ ! or more contributor license agreements. See the NOTICE file
+ ! distributed with this work for additional information
+ ! regarding copyright ownership. The ASF licenses this file
+ ! to you under the Apache License, Version 2.0 (the
+ ! "License"); you may not use this file except in compliance
+ ! with the License. You may obtain a copy of the License at
+ !
+ ! http://www.apache.org/licenses/LICENSE-2.0
+ !
+ ! Unless required by applicable law or agreed to in writing,
+ ! software distributed under the License is distributed on an
+ ! "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ! KIND, either express or implied. See the License for the
+ ! specific language governing permissions and limitations
+ ! under the License.
+ !-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+ <groupId>org.apache.asterix.graphix</groupId>
+ <artifactId>asterix-opt</artifactId>
+ <version>0.1.0-SNAPSHOT</version>
+ </parent>
+
+ <artifactId>asterix-graphix</artifactId>
+ <properties>
+ <asterix.version>0.9.7-SNAPSHOT</asterix.version>
+ <hyracks.version>0.3.7-SNAPSHOT</hyracks.version>
+ </properties>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-grammar-extension-maven-plugin</artifactId>
+ <version>${asterix.version}</version>
+ <configuration>
+ <base>${project.basedir}</base>
+ <gbase>../../asterix-lang-sqlpp/src/main/javacc/SQLPP.jj</gbase>
+ <gextension>src/main/resources/lang-extension/lang.txt</gextension>
+ <output>target/generated-resources/javacc/grammar.jj</output>
+ <parserClassName>GraphixParser</parserClassName>
+ <packageName>org.apache.asterix.graphix.lang.parser</packageName>
+ </configuration>
+ <executions>
+ <execution>
+ <phase>generate-sources</phase>
+ <goals>
+ <goal>grammarix</goal>
+ </goals>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <groupId>org.codehaus.mojo</groupId>
+ <artifactId>javacc-maven-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>javacc</id>
+ <goals>
+ <goal>javacc</goal>
+ </goals>
+ <configuration>
+ <isStatic>false</isStatic>
+ <javaUnicodeEscape>true</javaUnicodeEscape>
+ <sourceDirectory>target/generated-resources/javacc</sourceDirectory>
+ </configuration>
+ </execution>
+ <execution>
+ <id>javacc-jjdoc</id>
+ <goals>
+ <goal>jjdoc</goal>
+ </goals>
+ <phase>process-sources</phase>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <groupId>org.codehaus.mojo</groupId>
+ <artifactId>build-helper-maven-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>add-source</id>
+ <phase>generate-sources</phase>
+ <goals>
+ <goal>add-source</goal>
+ </goals>
+ <configuration>
+ <sources>
+ <source>${project.build.directory}/generated-sources/javacc/</source>
+ </sources>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.rat</groupId>
+ <artifactId>apache-rat-plugin</artifactId>
+ <configuration>
+ <excludes combine.children="append">
+ <exclude>src/test/resources/**/results/**</exclude>
+ <exclude>data/**</exclude>
+ </excludes>
+ </configuration>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-dependency-plugin</artifactId>
+ <configuration>
+ <usedDependencies>
+ <usedDependency>org.apache.hadoop:hadoop-minicluster</usedDependency>
+ <usedDependency>org.apache.asterix:asterix-fuzzyjoin</usedDependency>
+ </usedDependencies>
+ <ignoredUnusedDeclaredDependencies>
+ <ignoredUnusedDeclaredDependency>org.apache.asterix:asterix-common</ignoredUnusedDeclaredDependency>
+ </ignoredUnusedDeclaredDependencies>
+ </configuration>
+ </plugin>
+ <plugin>
+ <groupId>net.revelc.code.formatter</groupId>
+ <artifactId>formatter-maven-plugin</artifactId>
+ <executions>
+ <execution>
+ <goals>
+ <goal>${source-format.goal}</goal>
+ </goals>
+ </execution>
+ </executions>
+ <configuration>
+ <configFile>../../../hyracks-fullstack/AsterixCodeFormatProfile.xml</configFile>
+ <skipFormatting>${source-format.skip}</skipFormatting>
+ </configuration>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-compiler-plugin</artifactId>
+ <configuration>
+ <source>9</source>
+ <target>9</target>
+ </configuration>
+ </plugin>
+ </plugins>
+
+ <pluginManagement>
+ <plugins>
+ <!--This plugin's configuration is used to store Eclipse m2e settings only. It has no influence on the Maven build itself.-->
+ <plugin>
+ <groupId>org.eclipse.m2e</groupId>
+ <artifactId>lifecycle-mapping</artifactId>
+ <version>1.0.0</version>
+ <configuration>
+ <lifecycleMappingMetadata>
+ <pluginExecutions>
+ <pluginExecution>
+ <pluginExecutionFilter>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-grammar-extension-maven-plugin</artifactId>
+ <versionRange>[${asterix.version},)</versionRange>
+ <goals>
+ <goal>grammarix</goal>
+ </goals>
+ </pluginExecutionFilter>
+ <action>
+ <ignore></ignore>
+ </action>
+ </pluginExecution>
+ <pluginExecution>
+ <pluginExecutionFilter>
+ <groupId>org.codehaus.mojo</groupId>
+ <artifactId>javacc-maven-plugin</artifactId>
+ <versionRange>[2.6,)</versionRange>
+ <goals>
+ <goal>javacc</goal>
+ </goals>
+ </pluginExecutionFilter>
+ <action>
+ <ignore></ignore>
+ </action>
+ </pluginExecution>
+ </pluginExecutions>
+ </lifecycleMappingMetadata>
+ </configuration>
+ </plugin>
+ </plugins>
+ </pluginManagement>
+ </build>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-om</artifactId>
+ <version>${asterix.version}</version>
+ <type>jar</type>
+ <scope>compile</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-runtime</artifactId>
+ <version>${asterix.version}</version>
+ <type>jar</type>
+ <scope>compile</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-common</artifactId>
+ <version>${asterix.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-algebra</artifactId>
+ <version>${asterix.version}</version>
+ <scope>compile</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-metadata</artifactId>
+ <version>${asterix.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-app</artifactId>
+ <version>${asterix.version}</version>
+ <type>jar</type>
+ <scope>compile</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-app</artifactId>
+ <version>${asterix.version}</version>
+ <type>test-jar</type>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-test-framework</artifactId>
+ <version>0.9.7-SNAPSHOT</version>
+ <scope>test</scope>
+ </dependency>
+
+ <dependency>
+ <groupId>org.apache.hyracks</groupId>
+ <artifactId>algebricks-compiler</artifactId>
+ <version>${hyracks.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.hyracks</groupId>
+ <artifactId>hyracks-test-support</artifactId>
+ <version>${hyracks.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.hyracks</groupId>
+ <artifactId>hyracks-storage-am-lsm-btree-test</artifactId>
+ <version>${hyracks.version}</version>
+ <type>test-jar</type>
+ <scope>test</scope>
+ </dependency>
+ </dependencies>
+</project>
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/compiler/provider/GraphixCompilationProvider.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/compiler/provider/GraphixCompilationProvider.java
new file mode 100644
index 0000000..13d8c48
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/compiler/provider/GraphixCompilationProvider.java
@@ -0,0 +1,50 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.algebra.compiler.provider;
+
+import org.apache.asterix.algebra.base.ILangExpressionToPlanTranslatorFactory;
+import org.apache.asterix.compiler.provider.IRuleSetFactory;
+import org.apache.asterix.compiler.provider.SqlppCompilationProvider;
+import org.apache.asterix.graphix.algebra.translator.GraphixExpressionToPlanTranslatorFactory;
+import org.apache.asterix.graphix.lang.parser.GraphixParserFactory;
+import org.apache.asterix.graphix.lang.rewrites.GraphixRewriterFactory;
+import org.apache.asterix.lang.common.base.IParserFactory;
+import org.apache.asterix.lang.common.base.IRewriterFactory;
+
+public class GraphixCompilationProvider extends SqlppCompilationProvider {
+ @Override
+ public IParserFactory getParserFactory() {
+ return new GraphixParserFactory();
+ }
+
+ @Override
+ public IRuleSetFactory getRuleSetFactory() {
+ return new GraphixRuleSetFactory();
+ }
+
+ @Override
+ public IRewriterFactory getRewriterFactory() {
+ return new GraphixRewriterFactory(getParserFactory());
+ }
+
+ @Override
+ public ILangExpressionToPlanTranslatorFactory getExpressionToPlanTranslatorFactory() {
+ return new GraphixExpressionToPlanTranslatorFactory();
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/compiler/provider/GraphixRuleSetFactory.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/compiler/provider/GraphixRuleSetFactory.java
new file mode 100644
index 0000000..d37661c
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/compiler/provider/GraphixRuleSetFactory.java
@@ -0,0 +1,42 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.algebra.compiler.provider;
+
+import java.util.List;
+
+import org.apache.asterix.common.dataflow.ICcApplicationContext;
+import org.apache.asterix.compiler.provider.DefaultRuleSetFactory;
+import org.apache.asterix.compiler.provider.IRuleSetFactory;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.rewriter.base.AbstractRuleController;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+
+public class GraphixRuleSetFactory implements IRuleSetFactory {
+ @Override
+ public List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> getLogicalRewrites(
+ ICcApplicationContext appCtx) {
+ return DefaultRuleSetFactory.buildLogical(appCtx);
+ }
+
+ @Override
+ public List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> getPhysicalRewrites(
+ ICcApplicationContext appCtx) {
+ return DefaultRuleSetFactory.buildPhysical(appCtx);
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/translator/GraphixExpressionToPlanTranslator.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/translator/GraphixExpressionToPlanTranslator.java
new file mode 100644
index 0000000..12a7f39
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/translator/GraphixExpressionToPlanTranslator.java
@@ -0,0 +1,32 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.algebra.translator;
+
+import java.util.Map;
+
+import org.apache.asterix.lang.common.struct.VarIdentifier;
+import org.apache.asterix.metadata.declared.MetadataProvider;
+import org.apache.asterix.om.base.IAObject;
+import org.apache.asterix.translator.SqlppExpressionToPlanTranslator;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+
+public class GraphixExpressionToPlanTranslator extends SqlppExpressionToPlanTranslator {
+ public GraphixExpressionToPlanTranslator(MetadataProvider metadataProvider, int currentVarCounter,
+ Map<VarIdentifier, IAObject> externalVars) throws AlgebricksException {
+ super(metadataProvider, currentVarCounter, externalVars);
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/translator/GraphixExpressionToPlanTranslatorFactory.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/translator/GraphixExpressionToPlanTranslatorFactory.java
new file mode 100644
index 0000000..c119e4d
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/translator/GraphixExpressionToPlanTranslatorFactory.java
@@ -0,0 +1,34 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.algebra.translator;
+
+import java.util.Map;
+
+import org.apache.asterix.algebra.base.ILangExpressionToPlanTranslator;
+import org.apache.asterix.algebra.base.ILangExpressionToPlanTranslatorFactory;
+import org.apache.asterix.lang.common.struct.VarIdentifier;
+import org.apache.asterix.metadata.declared.MetadataProvider;
+import org.apache.asterix.om.base.IAObject;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+
+public class GraphixExpressionToPlanTranslatorFactory implements ILangExpressionToPlanTranslatorFactory {
+ @Override
+ public ILangExpressionToPlanTranslator createExpressionToPlanTranslator(MetadataProvider metadataProvider,
+ int currentVarCounter, Map<VarIdentifier, IAObject> externalVars) throws AlgebricksException {
+ return new GraphixExpressionToPlanTranslator(metadataProvider, currentVarCounter, externalVars);
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/app/translator/GraphixQueryTranslator.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/app/translator/GraphixQueryTranslator.java
new file mode 100644
index 0000000..59889a3
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/app/translator/GraphixQueryTranslator.java
@@ -0,0 +1,219 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.app.translator;
+
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+import java.util.concurrent.ExecutorService;
+import java.util.function.Function;
+
+import org.apache.asterix.app.translator.QueryTranslator;
+import org.apache.asterix.common.api.IResponsePrinter;
+import org.apache.asterix.common.dataflow.ICcApplicationContext;
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.common.exceptions.ErrorCode;
+import org.apache.asterix.common.functions.FunctionSignature;
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.compiler.provider.ILangCompilationProvider;
+import org.apache.asterix.graphix.extension.GraphixMetadataExtension;
+import org.apache.asterix.graphix.lang.expression.GraphElementExpr;
+import org.apache.asterix.graphix.lang.rewrites.GraphixQueryRewriter;
+import org.apache.asterix.graphix.lang.rewrites.GraphixRewritingContext;
+import org.apache.asterix.graphix.lang.statement.GraphDropStatement;
+import org.apache.asterix.graphix.lang.statement.GraphElementDecl;
+import org.apache.asterix.graphix.metadata.entities.Graph;
+import org.apache.asterix.lang.common.base.Statement;
+import org.apache.asterix.lang.common.statement.DataverseDropStatement;
+import org.apache.asterix.lang.common.statement.DropDatasetStatement;
+import org.apache.asterix.lang.common.statement.FunctionDropStatement;
+import org.apache.asterix.lang.common.statement.Query;
+import org.apache.asterix.lang.common.statement.SynonymDropStatement;
+import org.apache.asterix.lang.common.statement.ViewDropStatement;
+import org.apache.asterix.lang.common.struct.Identifier;
+import org.apache.asterix.lang.common.util.ExpressionUtils;
+import org.apache.asterix.metadata.MetadataManager;
+import org.apache.asterix.metadata.MetadataTransactionContext;
+import org.apache.asterix.metadata.declared.MetadataProvider;
+import org.apache.asterix.metadata.entities.DependencyKind;
+import org.apache.asterix.translator.IRequestParameters;
+import org.apache.asterix.translator.SessionOutput;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.common.utils.Triple;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+
+public class GraphixQueryTranslator extends QueryTranslator {
+ public GraphixQueryTranslator(ICcApplicationContext appCtx, List<Statement> statements, SessionOutput output,
+ ILangCompilationProvider compilationProvider, ExecutorService executorService,
+ IResponsePrinter responsePrinter) {
+ super(appCtx, statements, output, compilationProvider, executorService, responsePrinter);
+ }
+
+ public GraphixQueryRewriter getQueryRewriter() {
+ return (GraphixQueryRewriter) rewriterFactory.createQueryRewriter();
+ }
+
+ public void setGraphElementNormalizedBody(MetadataProvider metadataProvider, GraphElementDecl graphElementDecl,
+ GraphixQueryRewriter queryRewriter) throws CompilationException {
+ // Create a query AST for our rewriter to walk through.
+ GraphElementExpr functionCall = new GraphElementExpr(graphElementDecl.getIdentifier());
+ Query query = ExpressionUtils.createWrappedQuery(functionCall, graphElementDecl.getSourceLocation());
+
+ // We call our rewriter to set the normalized bodies of {@code graphElementDecl}.
+ GraphixRewritingContext graphixRewritingContext =
+ new GraphixRewritingContext(metadataProvider, declaredFunctions, null,
+ Collections.singletonList(graphElementDecl), warningCollector, query.getVarCounter());
+ queryRewriter.loadNormalizedGraphElements(graphixRewritingContext, query);
+ }
+
+ @Override
+ protected void handleDropSynonymStatement(MetadataProvider metadataProvider, Statement stmt) throws Exception {
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+
+ // Forbid dropping the synonym if any graphs depend on this synonym.
+ DataverseName workingDataverse = getActiveDataverseName(((SynonymDropStatement) stmt).getDataverseName());
+ String synonymName = ((SynonymDropStatement) stmt).getSynonymName();
+ throwErrorIfDependentExists(mdTxnCtx, workingDataverse,
+ (dependency) -> dependency.first == DependencyKind.SYNONYM
+ && dependency.second.second.equals(synonymName));
+
+ // Finish this transaction and perform the remainder of the DROP SYNONYM statement.
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ super.handleDropSynonymStatement(metadataProvider, stmt);
+ }
+
+ @Override
+ protected void handleFunctionDropStatement(MetadataProvider metadataProvider, Statement stmt,
+ IRequestParameters requestParameters) throws Exception {
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+
+ // Forbid dropping the function if any graphs depend on this function.
+ FunctionSignature functionSignature = ((FunctionDropStatement) stmt).getFunctionSignature();
+ DataverseName workingDataverse = getActiveDataverseName(functionSignature.getDataverseName());
+ throwErrorIfDependentExists(mdTxnCtx, workingDataverse,
+ (dependency) -> dependency.first == DependencyKind.FUNCTION
+ && dependency.second.second.equals(functionSignature.getName())
+ && dependency.second.third.equals(Integer.toString(functionSignature.getArity())));
+
+ // Finish this transaction and perform the remainder of the DROP FUNCTION statement.
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ super.handleFunctionDropStatement(metadataProvider, stmt, requestParameters);
+ }
+
+ @Override
+ public void handleViewDropStatement(MetadataProvider metadataProvider, Statement stmt) throws Exception {
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+
+ // Forbid dropping the dataset if any graphs depend on this dataset.
+ DataverseName workingDataverse = getActiveDataverseName(((ViewDropStatement) stmt).getDataverseName());
+ Identifier dsId = ((ViewDropStatement) stmt).getViewName();
+ throwErrorIfDependentExists(mdTxnCtx, workingDataverse,
+ (dependency) -> dependency.first == DependencyKind.DATASET
+ && dependency.second.second.equals(dsId.getValue()));
+
+ // Finish this transaction and perform the remainder of the DROP VIEW statement.
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ super.handleViewDropStatement(metadataProvider, stmt);
+ }
+
+ @Override
+ public void handleDatasetDropStatement(MetadataProvider metadataProvider, Statement stmt,
+ IHyracksClientConnection hcc, IRequestParameters requestParameters) throws Exception {
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+
+ // Forbid dropping the dataset if any graphs depend on this dataset.
+ DataverseName workingDataverse = getActiveDataverseName(((DropDatasetStatement) stmt).getDataverseName());
+ Identifier dsId = ((DropDatasetStatement) stmt).getDatasetName();
+ throwErrorIfDependentExists(mdTxnCtx, workingDataverse,
+ (dependency) -> dependency.first == DependencyKind.DATASET
+ && dependency.second.second.equals(dsId.getValue()));
+
+ // Finish this transaction and perform the remainder of the DROP DATASET statement.
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ super.handleDatasetDropStatement(metadataProvider, stmt, hcc, requestParameters);
+ }
+
+ private void throwErrorIfDependentExists(MetadataTransactionContext mdTxnCtx, DataverseName workingDataverse,
+ Function<Pair<DependencyKind, Triple<DataverseName, String, String>>, Boolean> isEntityDependent)
+ throws AlgebricksException {
+ List<Graph> allGraphs = GraphixMetadataExtension.getGraphs(mdTxnCtx, workingDataverse);
+ for (Graph graph : allGraphs) {
+ if (!graph.getDataverseName().equals(workingDataverse)) {
+ continue;
+ }
+ Iterator<Pair<DependencyKind, Triple<DataverseName, String, String>>> dependencyIterator =
+ graph.getDependencies().getIterator();
+ while (dependencyIterator.hasNext()) {
+ Pair<DependencyKind, Triple<DataverseName, String, String>> dependency = dependencyIterator.next();
+ if (isEntityDependent.apply(dependency)) {
+ throw new CompilationException(ErrorCode.CANNOT_DROP_OBJECT_DEPENDENT_EXISTS, dependency.first,
+ dependency.first.getDependencyDisplayName(dependency.second), "graph",
+ graph.getGraphName());
+ }
+ }
+ }
+ }
+
+ @Override
+ protected void handleDataverseDropStatement(MetadataProvider metadataProvider, Statement stmt,
+ IHyracksClientConnection hcc, IRequestParameters requestParameters) throws Exception {
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+
+ // Forbid dropping this dataverse if other graphs that are outside this dataverse depend on this dataverse.
+ DataverseName droppedDataverse = ((DataverseDropStatement) stmt).getDataverseName();
+ List<Graph> allGraphs = GraphixMetadataExtension.getGraphs(mdTxnCtx, null);
+ for (Graph graph : allGraphs) {
+ if (graph.getDataverseName().equals(droppedDataverse)) {
+ continue;
+ }
+ Iterator<Pair<DependencyKind, Triple<DataverseName, String, String>>> dependencyIterator =
+ graph.getDependencies().getIterator();
+ while (dependencyIterator.hasNext()) {
+ Pair<DependencyKind, Triple<DataverseName, String, String>> dependency = dependencyIterator.next();
+ if (dependency.second.first.equals(droppedDataverse)) {
+ throw new CompilationException(ErrorCode.CANNOT_DROP_DATAVERSE_DEPENDENT_EXISTS, dependency.first,
+ dependency.first.getDependencyDisplayName(dependency.second), "graph",
+ graph.getGraphName());
+ }
+ }
+ }
+
+ // Perform a drop for all graphs contained in this dataverse.
+ MetadataProvider tempMdProvider = MetadataProvider.create(appCtx, metadataProvider.getDefaultDataverse());
+ tempMdProvider.getConfig().putAll(metadataProvider.getConfig());
+ for (Graph graph : allGraphs) {
+ if (!graph.getDataverseName().equals(droppedDataverse)) {
+ continue;
+ }
+ tempMdProvider.getLocks().reset();
+ GraphDropStatement gds = new GraphDropStatement(droppedDataverse, graph.getGraphName(), false);
+ gds.handle(hcc, this, requestParameters, tempMdProvider, 0);
+ }
+
+ // Finish this transaction and perform the remainder of the DROP DATAVERSE statement.
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ super.handleDataverseDropStatement(metadataProvider, stmt, hcc, requestParameters);
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/app/translator/GraphixQueryTranslatorFactory.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/app/translator/GraphixQueryTranslatorFactory.java
new file mode 100644
index 0000000..a0c4d2f
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/app/translator/GraphixQueryTranslatorFactory.java
@@ -0,0 +1,39 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.app.translator;
+
+import java.util.List;
+
+import org.apache.asterix.app.translator.DefaultStatementExecutorFactory;
+import org.apache.asterix.app.translator.QueryTranslator;
+import org.apache.asterix.common.api.IResponsePrinter;
+import org.apache.asterix.common.context.IStorageComponentProvider;
+import org.apache.asterix.common.dataflow.ICcApplicationContext;
+import org.apache.asterix.compiler.provider.ILangCompilationProvider;
+import org.apache.asterix.lang.common.base.Statement;
+import org.apache.asterix.translator.SessionOutput;
+
+public class GraphixQueryTranslatorFactory extends DefaultStatementExecutorFactory {
+ @Override
+ public QueryTranslator create(ICcApplicationContext appCtx, List<Statement> statements, SessionOutput output,
+ ILangCompilationProvider compilationProvider, IStorageComponentProvider storageComponentProvider,
+ IResponsePrinter printer) {
+ return new GraphixQueryTranslator(appCtx, statements, output, compilationProvider, executorService, printer);
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/common/metadata/GraphElementIdentifier.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/common/metadata/GraphElementIdentifier.java
new file mode 100644
index 0000000..fdd4ed4
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/common/metadata/GraphElementIdentifier.java
@@ -0,0 +1,87 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.common.metadata;
+
+import java.io.Serializable;
+import java.util.Objects;
+
+public class GraphElementIdentifier implements Serializable {
+ private static final long serialVersionUID = 1L;
+ private final GraphIdentifier graphIdentifier;
+ private final Kind elementKind;
+ private final String labelName;
+
+ public GraphElementIdentifier(GraphIdentifier graphIdentifier, Kind elementKind, String labelName) {
+ this.graphIdentifier = graphIdentifier;
+ this.elementKind = elementKind;
+ this.labelName = labelName;
+ }
+
+ public GraphIdentifier getGraphIdentifier() {
+ return graphIdentifier;
+ }
+
+ public Kind getElementKind() {
+ return elementKind;
+ }
+
+ public String getLabelName() {
+ return labelName;
+ }
+
+ @Override
+ public String toString() {
+ return graphIdentifier + "#" + labelName + " ( " + elementKind + " )";
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+ if (o instanceof GraphElementIdentifier) {
+ GraphElementIdentifier that = (GraphElementIdentifier) o;
+ return graphIdentifier.equals(that.graphIdentifier) && elementKind.equals(that.elementKind)
+ && labelName.equals(that.labelName);
+ }
+ return false;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(graphIdentifier, elementKind, labelName);
+ }
+
+ public enum Kind {
+ VERTEX,
+ EDGE;
+
+ @Override
+ public String toString() {
+ switch (this) {
+ case EDGE:
+ return "edge";
+ case VERTEX:
+ return "vertex";
+ default:
+ throw new IllegalStateException("Unknown graph element kind.");
+ }
+ }
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/common/metadata/GraphIdentifier.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/common/metadata/GraphIdentifier.java
new file mode 100644
index 0000000..4b78434
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/common/metadata/GraphIdentifier.java
@@ -0,0 +1,65 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.common.metadata;
+
+import java.io.Serializable;
+import java.util.Objects;
+
+import org.apache.asterix.common.metadata.DataverseName;
+
+public class GraphIdentifier implements Serializable {
+ private static final long serialVersionUID = 1L;
+ private final DataverseName dataverseName;
+ private final String graphName;
+
+ public GraphIdentifier(DataverseName dataverseName, String graphName) {
+ this.dataverseName = dataverseName;
+ this.graphName = graphName;
+ }
+
+ public DataverseName getDataverseName() {
+ return dataverseName;
+ }
+
+ public String getGraphName() {
+ return graphName;
+ }
+
+ @Override
+ public String toString() {
+ return dataverseName + "." + graphName;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+ if (o instanceof GraphIdentifier) {
+ GraphIdentifier that = (GraphIdentifier) o;
+ return dataverseName.equals(that.dataverseName) && graphName.equals(that.graphName);
+ }
+ return false;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(dataverseName, graphName);
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixLangExtension.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixLangExtension.java
new file mode 100644
index 0000000..2c46266
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixLangExtension.java
@@ -0,0 +1,50 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.extension;
+
+import java.util.List;
+
+import org.apache.asterix.algebra.base.ILangExtension;
+import org.apache.asterix.common.api.ExtensionId;
+import org.apache.asterix.compiler.provider.ILangCompilationProvider;
+import org.apache.asterix.graphix.algebra.compiler.provider.GraphixCompilationProvider;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+
+public class GraphixLangExtension implements ILangExtension {
+ public static final ExtensionId LANG_EXTENSION_ID = new ExtensionId(GraphixLangExtension.class.getSimpleName(), 0);
+
+ @Override
+ public ExtensionId getId() {
+ return LANG_EXTENSION_ID;
+ }
+
+ @Override
+ public void configure(List<Pair<String, String>> args) {
+ }
+
+ @Override
+ public ILangCompilationProvider getLangCompilationProvider(Language lang) {
+ return (lang == Language.SQLPP) ? new GraphixCompilationProvider() : null;
+ }
+
+ @Override
+ public ExtensionKind getExtensionKind() {
+ return ExtensionKind.LANG;
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixMetadataExtension.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixMetadataExtension.java
new file mode 100644
index 0000000..68df8b4
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixMetadataExtension.java
@@ -0,0 +1,142 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.extension;
+
+import java.rmi.RemoteException;
+import java.util.Collections;
+import java.util.List;
+
+import org.apache.asterix.common.api.ExtensionId;
+import org.apache.asterix.common.exceptions.ACIDException;
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.graphix.metadata.bootstrap.GraphixMetadataIndexes;
+import org.apache.asterix.graphix.metadata.bootstrap.GraphixMetadataRecordTypes;
+import org.apache.asterix.graphix.metadata.entities.Graph;
+import org.apache.asterix.metadata.MetadataManager;
+import org.apache.asterix.metadata.MetadataNode;
+import org.apache.asterix.metadata.MetadataTransactionContext;
+import org.apache.asterix.metadata.api.ExtensionMetadataDataset;
+import org.apache.asterix.metadata.api.ExtensionMetadataDatasetId;
+import org.apache.asterix.metadata.api.IExtensionMetadataSearchKey;
+import org.apache.asterix.metadata.api.IMetadataExtension;
+import org.apache.asterix.metadata.api.IMetadataIndex;
+import org.apache.asterix.metadata.bootstrap.MetadataBootstrap;
+import org.apache.asterix.metadata.entities.Datatype;
+import org.apache.asterix.metadata.entitytupletranslators.MetadataTupleTranslatorProvider;
+import org.apache.asterix.metadata.utils.MetadataConstants;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.api.application.INCServiceContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+
+public class GraphixMetadataExtension implements IMetadataExtension {
+ public static final ExtensionId GRAPHIX_METADATA_EXTENSION_ID =
+ new ExtensionId(GraphixMetadataExtension.class.getName(), 0);
+
+ public static Graph getGraph(MetadataTransactionContext mdTxnCtx, DataverseName dataverseName, String graphName)
+ throws AlgebricksException {
+ IExtensionMetadataSearchKey graphSearchKey = new IExtensionMetadataSearchKey() {
+ private static final long serialVersionUID = 1L;
+
+ @Override
+ public ExtensionMetadataDatasetId getDatasetId() {
+ return GraphixMetadataIndexes.GRAPH_METADATA_DATASET_EXTENSION_ID;
+ }
+
+ @Override
+ public ITupleReference getSearchKey() {
+ return MetadataNode.createTuple(dataverseName, graphName);
+ }
+ };
+ List<Graph> graphs = MetadataManager.INSTANCE.getEntities(mdTxnCtx, graphSearchKey);
+ return (graphs.isEmpty()) ? null : graphs.get(0);
+ }
+
+ public static List<Graph> getGraphs(MetadataTransactionContext mdTxnTtx, DataverseName dataverseName)
+ throws AlgebricksException {
+ IExtensionMetadataSearchKey graphDataverseSearchKey = new IExtensionMetadataSearchKey() {
+ private static final long serialVersionUID = 1L;
+
+ @Override
+ public ExtensionMetadataDatasetId getDatasetId() {
+ return GraphixMetadataIndexes.GRAPH_METADATA_DATASET_EXTENSION_ID;
+ }
+
+ @Override
+ public ITupleReference getSearchKey() {
+ return (dataverseName == null) ? null : MetadataNode.createTuple(dataverseName);
+ }
+ };
+ return MetadataManager.INSTANCE.getEntities(mdTxnTtx, graphDataverseSearchKey);
+ }
+
+ @Override
+ public ExtensionId getId() {
+ return GRAPHIX_METADATA_EXTENSION_ID;
+ }
+
+ @Override
+ public void configure(List<Pair<String, String>> args) {
+ // No (extra) configuration needed.
+ }
+
+ @Override
+ public MetadataTupleTranslatorProvider getMetadataTupleTranslatorProvider() {
+ return new MetadataTupleTranslatorProvider();
+ }
+
+ @SuppressWarnings("rawtypes")
+ @Override
+ public List<ExtensionMetadataDataset> getExtensionIndexes() {
+ try {
+ return Collections.singletonList(GraphixMetadataIndexes.GRAPH_DATASET);
+
+ } catch (Throwable th) {
+ th.printStackTrace();
+ throw th;
+ }
+ }
+
+ @Override
+ public void initializeMetadata(INCServiceContext appCtx)
+ throws HyracksDataException, RemoteException, ACIDException {
+ MetadataBootstrap.enlistMetadataDataset(appCtx, GraphixMetadataIndexes.GRAPH_DATASET);
+ if (MetadataBootstrap.isNewUniverse()) {
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ try {
+ // Insert our sole new metadata dataset (Graph).
+ MetadataBootstrap.insertMetadataDatasets(mdTxnCtx,
+ new IMetadataIndex[] { GraphixMetadataIndexes.GRAPH_DATASET });
+
+ // Insert our sole datatype (Graph).
+ MetadataManager.INSTANCE.addDatatype(mdTxnCtx,
+ new Datatype(MetadataConstants.METADATA_DATAVERSE_NAME,
+ GraphixMetadataRecordTypes.GRAPH_RECORDTYPE.getTypeName(),
+ GraphixMetadataRecordTypes.GRAPH_RECORDTYPE, false));
+
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+
+ } catch (Exception e) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ throw HyracksDataException.create(e);
+ }
+ }
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixQueryTranslatorExtension.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixQueryTranslatorExtension.java
new file mode 100644
index 0000000..b6f7753
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixQueryTranslatorExtension.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.extension;
+
+import java.util.List;
+
+import org.apache.asterix.app.cc.IStatementExecutorExtension;
+import org.apache.asterix.common.api.ExtensionId;
+import org.apache.asterix.graphix.app.translator.GraphixQueryTranslatorFactory;
+import org.apache.asterix.translator.IStatementExecutorFactory;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+
+public class GraphixQueryTranslatorExtension implements IStatementExecutorExtension {
+ public static final ExtensionId GRAPHIX_QUERY_TRANSLATOR_EXTENSION_ID =
+ new ExtensionId(GraphixQueryTranslatorExtension.class.getSimpleName(), 0);
+
+ private static final IStatementExecutorFactory INSTANCE = new GraphixQueryTranslatorFactory();
+
+ @Override
+ public ExtensionId getId() {
+ return GRAPHIX_QUERY_TRANSLATOR_EXTENSION_ID;
+ }
+
+ @Override
+ public void configure(List<Pair<String, String>> args) {
+ }
+
+ @Override
+ public IStatementExecutorFactory getQueryTranslatorFactory() {
+ return INSTANCE;
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/expression/GraphConstructor.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/expression/GraphConstructor.java
new file mode 100644
index 0000000..8ba4cea
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/expression/GraphConstructor.java
@@ -0,0 +1,238 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.expression;
+
+import java.util.List;
+
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.graphix.lang.rewrites.visitor.IGraphixLangVisitor;
+import org.apache.asterix.lang.common.base.AbstractExpression;
+import org.apache.asterix.lang.common.base.AbstractLangExpression;
+import org.apache.asterix.lang.common.base.Expression;
+import org.apache.asterix.lang.common.visitor.base.ILangVisitor;
+
+public class GraphConstructor extends AbstractExpression {
+ private final List<VertexElement> vertexElements;
+ private final List<EdgeElement> edgeElements;
+
+ public GraphConstructor(List<VertexElement> vertexElements, List<EdgeElement> edgeElements) {
+ this.vertexElements = vertexElements;
+ this.edgeElements = edgeElements;
+ }
+
+ public List<VertexElement> getVertexElements() {
+ return vertexElements;
+ }
+
+ public List<EdgeElement> getEdgeElements() {
+ return edgeElements;
+ }
+
+ @Override
+ public Kind getKind() {
+ return null;
+ }
+
+ @Override
+ public <R, T> R accept(ILangVisitor<R, T> visitor, T arg) throws CompilationException {
+ return ((IGraphixLangVisitor<R, T>) visitor).visit(this, arg);
+ }
+
+ @Override
+ public boolean equals(Object object) {
+ if (this == object) {
+ return true;
+ }
+ if (!(object instanceof GraphConstructor)) {
+ return false;
+ }
+ GraphConstructor that = (GraphConstructor) object;
+ return vertexElements.equals(that.vertexElements) && edgeElements.equals(that.edgeElements);
+ }
+
+ public static class VertexElement extends AbstractLangExpression {
+ private final List<Integer> primaryKeySourceIndicators;
+ private final List<List<String>> primaryKeyFields;
+ private final Expression expression;
+ private final String definition;
+ private final String label;
+
+ public VertexElement(String label, List<List<String>> primaryKeyFields,
+ List<Integer> primaryKeySourceIndicators, Expression expression, String definition) {
+ this.primaryKeySourceIndicators = primaryKeySourceIndicators;
+ this.primaryKeyFields = primaryKeyFields;
+ this.expression = expression;
+ this.definition = definition;
+ this.label = label;
+ }
+
+ public List<List<String>> getPrimaryKeyFields() {
+ return primaryKeyFields;
+ }
+
+ public List<Integer> getPrimaryKeySourceIndicators() {
+ return primaryKeySourceIndicators;
+ }
+
+ public Expression getExpression() {
+ return expression;
+ }
+
+ public String getDefinition() {
+ return definition;
+ }
+
+ public String getLabel() {
+ return label;
+ }
+
+ @Override
+ public String toString() {
+ return "(:" + label + ") AS " + definition;
+ }
+
+ @Override
+ public <R, T> R accept(ILangVisitor<R, T> visitor, T arg) throws CompilationException {
+ return ((IGraphixLangVisitor<R, T>) visitor).visit(this, arg);
+ }
+
+ @Override
+ public boolean equals(Object object) {
+ if (this == object) {
+ return true;
+ }
+ if (!(object instanceof VertexElement)) {
+ return false;
+ }
+ VertexElement that = (VertexElement) object;
+ return primaryKeySourceIndicators.equals(that.primaryKeySourceIndicators)
+ && primaryKeyFields.equals(that.primaryKeyFields) && expression.equals(that.expression)
+ && definition.equals(that.definition) && label.equals(that.label);
+ }
+ }
+
+ public static class EdgeElement extends AbstractLangExpression {
+ private final List<Integer> destinationKeySourceIndicators;
+ private final List<Integer> sourceKeySourceIndicators;
+ private final List<Integer> primaryKeySourceIndicators;
+
+ private final List<List<String>> destinationKeyFields;
+ private final List<List<String>> sourceKeyFields;
+ private final List<List<String>> primaryKeyFields;
+
+ private final String destinationLabel, edgeLabel, sourceLabel;
+ private final Expression expression;
+ private final String definition;
+
+ public EdgeElement(String edgeLabel, String destinationLabel, String sourceLabel,
+ List<List<String>> primaryKeyFields, List<Integer> primaryKeySourceIndicators,
+ List<List<String>> destinationKeyFields, List<Integer> destinationKeySourceIndicators,
+ List<List<String>> sourceKeyFields, List<Integer> sourceKeySourceIndicators, Expression expression,
+ String definition) {
+ this.destinationKeySourceIndicators = destinationKeySourceIndicators;
+ this.sourceKeySourceIndicators = sourceKeySourceIndicators;
+ this.primaryKeySourceIndicators = primaryKeySourceIndicators;
+ this.destinationKeyFields = destinationKeyFields;
+ this.sourceKeyFields = sourceKeyFields;
+ this.primaryKeyFields = primaryKeyFields;
+ this.destinationLabel = destinationLabel;
+ this.edgeLabel = edgeLabel;
+ this.sourceLabel = sourceLabel;
+ this.expression = expression;
+ this.definition = definition;
+ }
+
+ public List<Integer> getDestinationKeySourceIndicators() {
+ return destinationKeySourceIndicators;
+ }
+
+ public List<Integer> getSourceKeySourceIndicators() {
+ return sourceKeySourceIndicators;
+ }
+
+ public List<Integer> getPrimaryKeySourceIndicators() {
+ return primaryKeySourceIndicators;
+ }
+
+ public List<List<String>> getDestinationKeyFields() {
+ return destinationKeyFields;
+ }
+
+ public List<List<String>> getSourceKeyFields() {
+ return sourceKeyFields;
+ }
+
+ public List<List<String>> getPrimaryKeyFields() {
+ return primaryKeyFields;
+ }
+
+ public String getDestinationLabel() {
+ return destinationLabel;
+ }
+
+ public String getEdgeLabel() {
+ return edgeLabel;
+ }
+
+ public String getSourceLabel() {
+ return sourceLabel;
+ }
+
+ public Expression getExpression() {
+ return expression;
+ }
+
+ public String getDefinition() {
+ return definition;
+ }
+
+ @Override
+ public String toString() {
+ String edgeBodyPattern = "[:" + edgeLabel + "]";
+ String sourceNodePattern = "(:" + sourceLabel + ")";
+ String destinationNodePattern = "(:" + destinationLabel + ")";
+ String edgePattern = sourceNodePattern + "-" + edgeBodyPattern + "->" + destinationNodePattern;
+ return (definition == null) ? edgePattern : (edgePattern + " AS " + definition);
+ }
+
+ @Override
+ public <R, T> R accept(ILangVisitor<R, T> visitor, T arg) throws CompilationException {
+ return ((IGraphixLangVisitor<R, T>) visitor).visit(this, arg);
+ }
+
+ @Override
+ public boolean equals(Object object) {
+ if (this == object) {
+ return true;
+ }
+ if (!(object instanceof EdgeElement)) {
+ return false;
+ }
+ EdgeElement that = (EdgeElement) object;
+ return destinationKeySourceIndicators.equals(that.destinationKeySourceIndicators)
+ && sourceKeySourceIndicators.equals(that.sourceKeySourceIndicators)
+ && primaryKeySourceIndicators.equals(that.primaryKeySourceIndicators)
+ && destinationKeyFields.equals(that.destinationKeyFields)
+ && sourceKeyFields.equals(that.sourceKeyFields) && primaryKeyFields.equals(that.primaryKeyFields)
+ && destinationLabel.equals(that.destinationLabel) && edgeLabel.equals(that.edgeLabel)
+ && sourceLabel.equals(that.sourceLabel) && expression.equals(that.expression)
+ && definition.equals(that.definition);
+ }
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/expression/GraphElementExpr.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/expression/GraphElementExpr.java
new file mode 100644
index 0000000..11c1e34
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/expression/GraphElementExpr.java
@@ -0,0 +1,58 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.expression;
+
+import java.util.Collections;
+
+import org.apache.asterix.common.functions.FunctionConstants;
+import org.apache.asterix.common.functions.FunctionSignature;
+import org.apache.asterix.graphix.common.metadata.GraphElementIdentifier;
+import org.apache.asterix.graphix.common.metadata.GraphIdentifier;
+import org.apache.asterix.graphix.lang.statement.GraphElementDecl;
+import org.apache.asterix.lang.common.expression.CallExpr;
+import org.apache.asterix.lang.common.statement.Query;
+import org.apache.asterix.lang.common.util.ExpressionUtils;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+
+public class GraphElementExpr extends CallExpr {
+ public static final String GRAPH_ELEMENT_FUNCTION_NAME = "graph-element";
+ public static final FunctionIdentifier GRAPH_ELEMENT_FUNCTION_ID =
+ new FunctionIdentifier(FunctionConstants.ASTERIX_NS, GRAPH_ELEMENT_FUNCTION_NAME, 5);
+
+ // A graph element is uniquely identified by its identifier.
+ private final GraphElementIdentifier identifier;
+
+ public GraphElementExpr(GraphElementIdentifier identifier) {
+ super(new FunctionSignature(GRAPH_ELEMENT_FUNCTION_ID), Collections.emptyList(), null);
+ this.identifier = identifier;
+ }
+
+ public GraphElementIdentifier getIdentifier() {
+ return identifier;
+ }
+
+ public GraphIdentifier getGraphIdentifier() {
+ return identifier.getGraphIdentifier();
+ }
+
+ public static Query createGraphElementAccessorQuery(GraphElementDecl graphElementDecl) {
+ GraphElementExpr functionCall = new GraphElementExpr(graphElementDecl.getIdentifier());
+ return ExpressionUtils.createWrappedQuery(functionCall, graphElementDecl.getSourceLocation());
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/parser/GraphElementBodyParser.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/parser/GraphElementBodyParser.java
new file mode 100644
index 0000000..b1337b7
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/parser/GraphElementBodyParser.java
@@ -0,0 +1,56 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.parser;
+
+import java.io.StringReader;
+import java.util.Objects;
+
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.graphix.lang.statement.GraphElementDecl;
+import org.apache.asterix.graphix.metadata.entities.Graph;
+import org.apache.hyracks.api.exceptions.IWarningCollector;
+
+public final class GraphElementBodyParser {
+ // Just a wrapper for the parseGraphElementBody method.
+ public static GraphElementDecl parse(Graph.Element element, GraphixParserFactory parserFactory,
+ IWarningCollector warningCollector) throws CompilationException {
+ GraphElementDecl graphElementDecl = null;
+ for (String definition : element.getDefinitions()) {
+ if (Objects.equals(definition, "")) {
+ continue;
+ }
+ GraphixParser parser = (GraphixParser) parserFactory.createParser(new StringReader(definition));
+ GraphElementDecl parsedElementDecl = parser.parseGraphElementBody(element.getIdentifier());
+
+ // Accumulate the element bodies.
+ if (graphElementDecl == null) {
+ graphElementDecl = parsedElementDecl;
+
+ } else {
+ graphElementDecl.getBodies().add(parsedElementDecl.getBodies().get(0));
+ }
+
+ // Gather any warnings.
+ if (warningCollector != null) {
+ parser.getWarnings(warningCollector);
+ }
+ }
+ return graphElementDecl;
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/parser/GraphixParserFactory.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/parser/GraphixParserFactory.java
new file mode 100644
index 0000000..ab97d6a
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/parser/GraphixParserFactory.java
@@ -0,0 +1,36 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.parser;
+
+import java.io.Reader;
+
+import org.apache.asterix.lang.common.base.IParser;
+import org.apache.asterix.lang.sqlpp.parser.SqlppParserFactory;
+
+public class GraphixParserFactory extends SqlppParserFactory {
+ @Override
+ public IParser createParser(String query) {
+ return new GraphixParser(query);
+ }
+
+ @Override
+ public IParser createParser(Reader reader) {
+ return new GraphixParser(reader);
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixQueryRewriter.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixQueryRewriter.java
new file mode 100644
index 0000000..9e88251
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixQueryRewriter.java
@@ -0,0 +1,186 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.rewrites;
+
+import java.util.ArrayDeque;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Deque;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.common.exceptions.ErrorCode;
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.graphix.common.metadata.GraphElementIdentifier;
+import org.apache.asterix.graphix.common.metadata.GraphIdentifier;
+import org.apache.asterix.graphix.extension.GraphixMetadataExtension;
+import org.apache.asterix.graphix.lang.expression.GraphElementExpr;
+import org.apache.asterix.graphix.lang.parser.GraphElementBodyParser;
+import org.apache.asterix.graphix.lang.parser.GraphixParserFactory;
+import org.apache.asterix.graphix.lang.statement.GraphElementDecl;
+import org.apache.asterix.graphix.metadata.entities.Graph;
+import org.apache.asterix.lang.common.base.Expression;
+import org.apache.asterix.lang.common.base.IParserFactory;
+import org.apache.asterix.lang.common.base.IReturningStatement;
+import org.apache.asterix.lang.common.expression.AbstractCallExpression;
+import org.apache.asterix.lang.common.statement.Query;
+import org.apache.asterix.lang.common.struct.VarIdentifier;
+import org.apache.asterix.lang.common.util.ExpressionUtils;
+import org.apache.asterix.lang.sqlpp.rewrites.SqlppQueryRewriter;
+import org.apache.asterix.lang.sqlpp.rewrites.visitor.SqlppGatherFunctionCallsVisitor;
+import org.apache.asterix.metadata.entities.Dataverse;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.api.exceptions.SourceLocation;
+
+public class GraphixQueryRewriter extends SqlppQueryRewriter {
+ private final GraphixParserFactory parserFactory;
+ private final SqlppQueryRewriter bodyRewriter;
+
+ public GraphixQueryRewriter(IParserFactory parserFactory) {
+ super(parserFactory);
+
+ // We can safely downcast to our specific parser factory here.
+ this.parserFactory = (GraphixParserFactory) parserFactory;
+ this.bodyRewriter = new SqlppQueryRewriter(parserFactory);
+ }
+
+ public void rewrite(GraphixRewritingContext rewriteContext, IReturningStatement topStatement,
+ boolean allowNonStoredUdfCalls, boolean inlineUdfsAndViews, Collection<VarIdentifier> externalVars)
+ throws CompilationException {
+ // Get the graph elements in the top statement.
+ Map<GraphElementIdentifier, GraphElementDecl> graphElements =
+ loadNormalizedGraphElements(rewriteContext, topStatement);
+
+ // Perform the remainder of our rewrites in our parent.
+ super.rewrite(rewriteContext.getLangRewritingContext(), topStatement, allowNonStoredUdfCalls,
+ inlineUdfsAndViews, externalVars);
+ }
+
+ public Map<GraphElementIdentifier, GraphElementDecl> loadNormalizedGraphElements(
+ GraphixRewritingContext rewriteContext, IReturningStatement topExpr) throws CompilationException {
+ Map<GraphElementIdentifier, GraphElementDecl> graphElements = new HashMap<>();
+
+ // Gather all function calls.
+ Deque<AbstractCallExpression> workQueue = new ArrayDeque<>();
+ SqlppGatherFunctionCallsVisitor callVisitor = new SqlppGatherFunctionCallsVisitor(workQueue);
+ for (Expression expr : topExpr.getDirectlyEnclosedExpressions()) {
+ expr.accept(callVisitor, null);
+ }
+
+ AbstractCallExpression fnCall;
+ while ((fnCall = workQueue.poll()) != null) {
+ // Load only the graph element declarations (we will load the rest of the elements in the parent).
+ if (!fnCall.getKind().equals(Expression.Kind.CALL_EXPRESSION)
+ || !fnCall.getFunctionSignature().getName().equals(GraphElementExpr.GRAPH_ELEMENT_FUNCTION_NAME)) {
+ continue;
+ }
+ GraphElementExpr graphElementExpr = (GraphElementExpr) fnCall;
+ GraphElementIdentifier identifier = graphElementExpr.getIdentifier();
+ if (!graphElements.containsKey(identifier)) {
+
+ // First, check if we have already loaded this graph element.
+ GraphElementDecl elementDecl = rewriteContext.getDeclaredGraphElements().get(identifier);
+
+ // If we cannot find the graph element in our context, search our metadata.
+ if (elementDecl == null) {
+ GraphIdentifier graphIdentifier = identifier.getGraphIdentifier();
+ Graph graph;
+ try {
+ graph = GraphixMetadataExtension.getGraph(
+ rewriteContext.getMetadataProvider().getMetadataTxnContext(),
+ graphIdentifier.getDataverseName(), graphIdentifier.getGraphName());
+
+ } catch (AlgebricksException e) {
+ throw new CompilationException(ErrorCode.COMPILATION_ERROR,
+ graphElementExpr.getSourceLocation(),
+ "Graph " + graphIdentifier.getGraphName() + " does not exist.");
+ }
+
+ // Parse our graph element.
+ if (graph == null) {
+ throw new CompilationException(ErrorCode.COMPILATION_ERROR,
+ graphElementExpr.getSourceLocation(),
+ "Graph " + graphIdentifier.getGraphName() + " does not exist.");
+ }
+ Graph.Element element = graph.getGraphSchema().getElement(identifier);
+ elementDecl = GraphElementBodyParser.parse(element, parserFactory,
+ rewriteContext.getLangRewritingContext().getWarningCollector());
+ }
+
+ // Get our normalized element bodies.
+ List<Expression> normalizedBodies = elementDecl.getNormalizedBodies();
+ if (normalizedBodies.size() != elementDecl.getBodies().size()) {
+ GraphIdentifier graphIdentifier = elementDecl.getGraphIdentifier();
+ for (Expression body : elementDecl.getBodies()) {
+ Expression normalizedBody =
+ rewriteGraphElementBody(rewriteContext, graphIdentifier.getDataverseName(), body,
+ Collections.emptyList(), elementDecl.getSourceLocation());
+ normalizedBodies.add(normalizedBody);
+ }
+ }
+
+ // Store the element declaration in our map, and iterate over this body.
+ graphElements.put(identifier, elementDecl);
+ for (Expression e : elementDecl.getNormalizedBodies()) {
+ e.accept(callVisitor, null);
+ }
+ }
+ }
+
+ return graphElements;
+ }
+
+ private Expression rewriteGraphElementBody(GraphixRewritingContext rewriteContext, DataverseName elementDataverse,
+ Expression bodyExpr, List<VarIdentifier> externalVars, SourceLocation sourceLoc)
+ throws CompilationException {
+ Dataverse defaultDataverse = rewriteContext.getMetadataProvider().getDefaultDataverse();
+ Dataverse targetDataverse;
+
+ // We might need to change our dataverse, if the element definition requires a different one.
+ if (elementDataverse.equals(defaultDataverse.getDataverseName())) {
+ targetDataverse = defaultDataverse;
+
+ } else {
+ try {
+ targetDataverse = rewriteContext.getMetadataProvider().findDataverse(elementDataverse);
+
+ } catch (AlgebricksException e) {
+ throw new CompilationException(ErrorCode.UNKNOWN_DATAVERSE, e, sourceLoc, elementDataverse);
+ }
+ }
+ rewriteContext.getMetadataProvider().setDefaultDataverse(targetDataverse);
+
+ // Get the body of the rewritten query.
+ try {
+ Query wrappedQuery = ExpressionUtils.createWrappedQuery(bodyExpr, sourceLoc);
+ bodyRewriter.rewrite(rewriteContext.getLangRewritingContext(), wrappedQuery, false, false, externalVars);
+ return wrappedQuery.getBody();
+
+ } catch (CompilationException e) {
+ throw new CompilationException(ErrorCode.COMPILATION_ERROR, bodyExpr.getSourceLocation(),
+ "Bad definition for a graph element: " + e.getMessage());
+
+ } finally {
+ // Switch back to the working dataverse.
+ rewriteContext.getMetadataProvider().setDefaultDataverse(defaultDataverse);
+ }
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixRewriterFactory.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixRewriterFactory.java
new file mode 100644
index 0000000..6b1cf30
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixRewriterFactory.java
@@ -0,0 +1,40 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.rewrites;
+
+import org.apache.asterix.graphix.lang.parser.GraphixParserFactory;
+import org.apache.asterix.lang.common.base.IParserFactory;
+import org.apache.asterix.lang.common.base.IQueryRewriter;
+import org.apache.asterix.lang.sqlpp.rewrites.SqlppRewriterFactory;
+
+public class GraphixRewriterFactory extends SqlppRewriterFactory {
+ private final GraphixParserFactory parserFactory;
+
+ public GraphixRewriterFactory(IParserFactory parserFactory) {
+ super(parserFactory);
+
+ // We can safely downcast the parser factory here.
+ this.parserFactory = (GraphixParserFactory) parserFactory;
+ }
+
+ @Override
+ public IQueryRewriter createQueryRewriter() {
+ return new GraphixQueryRewriter(parserFactory);
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixRewritingContext.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixRewritingContext.java
new file mode 100644
index 0000000..e62d337
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixRewritingContext.java
@@ -0,0 +1,58 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.rewrites;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.asterix.graphix.common.metadata.GraphElementIdentifier;
+import org.apache.asterix.graphix.lang.statement.GraphElementDecl;
+import org.apache.asterix.lang.common.rewrites.LangRewritingContext;
+import org.apache.asterix.lang.common.statement.FunctionDecl;
+import org.apache.asterix.lang.common.statement.ViewDecl;
+import org.apache.asterix.metadata.declared.MetadataProvider;
+import org.apache.hyracks.api.exceptions.IWarningCollector;
+
+public class GraphixRewritingContext {
+ private final Map<GraphElementIdentifier, GraphElementDecl> graphElementDeclMap = new HashMap<>();
+ private final LangRewritingContext langRewritingContext;
+
+ public GraphixRewritingContext(MetadataProvider metadataProvider, List<FunctionDecl> declaredFunctions,
+ List<ViewDecl> declaredViews, List<GraphElementDecl> declaredGraphElements,
+ IWarningCollector warningCollector, int varCounter) {
+ if (declaredGraphElements != null) {
+ declaredGraphElements.forEach(e -> graphElementDeclMap.put(e.getIdentifier(), e));
+ }
+ langRewritingContext = new LangRewritingContext(metadataProvider, declaredFunctions, declaredViews,
+ warningCollector, varCounter);
+ }
+
+ public Map<GraphElementIdentifier, GraphElementDecl> getDeclaredGraphElements() {
+ return graphElementDeclMap;
+ }
+
+ public LangRewritingContext getLangRewritingContext() {
+ return langRewritingContext;
+ }
+
+ public MetadataProvider getMetadataProvider() {
+ return langRewritingContext.getMetadataProvider();
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/visitor/IGraphixLangVisitor.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/visitor/IGraphixLangVisitor.java
new file mode 100644
index 0000000..2b41511
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/visitor/IGraphixLangVisitor.java
@@ -0,0 +1,40 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.rewrites.visitor;
+
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.graphix.lang.expression.GraphConstructor;
+import org.apache.asterix.graphix.lang.statement.CreateGraphStatement;
+import org.apache.asterix.graphix.lang.statement.GraphDropStatement;
+import org.apache.asterix.graphix.lang.statement.GraphElementDecl;
+import org.apache.asterix.lang.common.visitor.base.ILangVisitor;
+
+public interface IGraphixLangVisitor<R, T> extends ILangVisitor<R, T> {
+ R visit(GraphConstructor gc, T arg) throws CompilationException;
+
+ R visit(GraphConstructor.VertexElement ve, T arg) throws CompilationException;
+
+ R visit(GraphConstructor.EdgeElement ee, T arg) throws CompilationException;
+
+ R visit(CreateGraphStatement cgs, T arg) throws CompilationException;
+
+ R visit(GraphElementDecl gel, T arg) throws CompilationException;
+
+ R visit(GraphDropStatement gds, T arg) throws CompilationException;
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/CreateGraphStatement.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/CreateGraphStatement.java
new file mode 100644
index 0000000..866e2f2
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/CreateGraphStatement.java
@@ -0,0 +1,110 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.statement;
+
+import java.util.List;
+
+import org.apache.asterix.algebra.extension.ExtensionStatement;
+import org.apache.asterix.app.translator.QueryTranslator;
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.graphix.lang.expression.GraphConstructor;
+import org.apache.asterix.graphix.lang.rewrites.visitor.IGraphixLangVisitor;
+import org.apache.asterix.graphix.lang.util.GraphStatementHandlingUtil;
+import org.apache.asterix.lang.common.visitor.base.ILangVisitor;
+import org.apache.asterix.metadata.declared.MetadataProvider;
+import org.apache.asterix.translator.IRequestParameters;
+import org.apache.asterix.translator.IStatementExecutor;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class CreateGraphStatement extends ExtensionStatement {
+ private final GraphConstructor graphConstructor;
+ private final DataverseName dataverseName;
+ private final String graphName;
+ private final boolean replaceIfExists;
+ private final boolean ifNotExists;
+
+ public CreateGraphStatement(DataverseName dataverseName, String graphName, boolean replaceIfExists,
+ boolean ifNotExists, GraphConstructor graphConstructor) {
+ this.dataverseName = dataverseName;
+ this.graphName = graphName;
+ this.replaceIfExists = replaceIfExists;
+ this.ifNotExists = ifNotExists;
+ this.graphConstructor = graphConstructor;
+ }
+
+ public DataverseName getDataverseName() {
+ return dataverseName;
+ }
+
+ public String getGraphName() {
+ return graphName;
+ }
+
+ public boolean isReplaceIfExists() {
+ return replaceIfExists;
+ }
+
+ public boolean isIfNotExists() {
+ return ifNotExists;
+ }
+
+ public List<GraphConstructor.VertexElement> getVertexElements() {
+ return graphConstructor.getVertexElements();
+ }
+
+ public List<GraphConstructor.EdgeElement> getEdgeElements() {
+ return graphConstructor.getEdgeElements();
+ }
+
+ @Override
+ public <R, T> R accept(ILangVisitor<R, T> visitor, T arg) throws CompilationException {
+ return ((IGraphixLangVisitor<R, T>) visitor).visit(this, arg);
+ }
+
+ @Override
+ public byte getCategory() {
+ return Category.DDL;
+ }
+
+ @Override
+ public String getName() {
+ return CreateGraphStatement.class.getName();
+ }
+
+ @Override
+ public void handle(IHyracksClientConnection hcc, IStatementExecutor statementExecutor,
+ IRequestParameters requestParameters, MetadataProvider metadataProvider, int resultSetId) throws Exception {
+ metadataProvider.validateDatabaseObjectName(dataverseName, graphName, this.getSourceLocation());
+ DataverseName activeDataverseName = statementExecutor.getActiveDataverseName(this.dataverseName);
+ GraphStatementHandlingUtil.acquireGraphWriteLocks(metadataProvider, activeDataverseName, graphName);
+ try {
+ GraphStatementHandlingUtil.handleCreateGraph(this, metadataProvider, statementExecutor,
+ activeDataverseName);
+
+ } catch (Exception e) {
+ QueryTranslator.abort(e, e, metadataProvider.getMetadataTxnContext());
+ throw HyracksDataException.create(e);
+
+ } finally {
+ metadataProvider.getLocks().unlock();
+ }
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/GraphDropStatement.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/GraphDropStatement.java
new file mode 100644
index 0000000..e9e8255
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/GraphDropStatement.java
@@ -0,0 +1,90 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.statement;
+
+import org.apache.asterix.algebra.extension.ExtensionStatement;
+import org.apache.asterix.app.translator.QueryTranslator;
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.graphix.lang.rewrites.visitor.IGraphixLangVisitor;
+import org.apache.asterix.graphix.lang.util.GraphStatementHandlingUtil;
+import org.apache.asterix.lang.common.visitor.base.ILangVisitor;
+import org.apache.asterix.metadata.declared.MetadataProvider;
+import org.apache.asterix.translator.IRequestParameters;
+import org.apache.asterix.translator.IStatementExecutor;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class GraphDropStatement extends ExtensionStatement {
+ private final DataverseName dataverseName;
+ private final String graphName;
+ private final boolean ifExists;
+
+ public GraphDropStatement(DataverseName dataverseName, String graphName, boolean ifExists) {
+ this.dataverseName = dataverseName;
+ this.graphName = graphName;
+ this.ifExists = ifExists;
+ }
+
+ public DataverseName getDataverseName() {
+ return dataverseName;
+ }
+
+ public String getGraphName() {
+ return graphName;
+ }
+
+ public boolean getIfExists() {
+ return ifExists;
+ }
+
+ @Override
+ public byte getCategory() {
+ return Category.DDL;
+ }
+
+ @Override
+ public <R, T> R accept(ILangVisitor<R, T> visitor, T arg) throws CompilationException {
+ return ((IGraphixLangVisitor<R, T>) visitor).visit(this, arg);
+ }
+
+ @Override
+ public String getName() {
+ return GraphDropStatement.class.getName();
+ }
+
+ @Override
+ public void handle(IHyracksClientConnection hcc, IStatementExecutor statementExecutor,
+ IRequestParameters requestParameters, MetadataProvider metadataProvider, int resultSetId) throws Exception {
+ metadataProvider.validateDatabaseObjectName(dataverseName, graphName, this.getSourceLocation());
+ DataverseName activeDataverseName = statementExecutor.getActiveDataverseName(this.dataverseName);
+ GraphStatementHandlingUtil.acquireGraphWriteLocks(metadataProvider, activeDataverseName, graphName);
+ try {
+ // TODO (GLENN): Determine how to handle functions and views that depend on graphs.
+ GraphStatementHandlingUtil.handleGraphDrop(this, metadataProvider, activeDataverseName);
+
+ } catch (Exception e) {
+ QueryTranslator.abort(e, e, metadataProvider.getMetadataTxnContext());
+ throw HyracksDataException.create(e);
+
+ } finally {
+ metadataProvider.getLocks().unlock();
+ }
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/GraphElementDecl.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/GraphElementDecl.java
new file mode 100644
index 0000000..c5e87de
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/GraphElementDecl.java
@@ -0,0 +1,85 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.statement;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
+import org.apache.asterix.algebra.extension.ExtensionStatement;
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.common.exceptions.ErrorCode;
+import org.apache.asterix.graphix.common.metadata.GraphElementIdentifier;
+import org.apache.asterix.graphix.common.metadata.GraphIdentifier;
+import org.apache.asterix.graphix.lang.rewrites.visitor.IGraphixLangVisitor;
+import org.apache.asterix.lang.common.base.Expression;
+import org.apache.asterix.lang.common.visitor.base.ILangVisitor;
+import org.apache.asterix.metadata.declared.MetadataProvider;
+import org.apache.asterix.translator.IRequestParameters;
+import org.apache.asterix.translator.IStatementExecutor;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+
+public final class GraphElementDecl extends ExtensionStatement {
+ private final GraphElementIdentifier identifier;
+ private final List<Expression> bodies = new ArrayList<>();
+ private final List<Expression> normalizedBodies = new ArrayList<>();
+
+ public GraphElementDecl(GraphElementIdentifier identifier, Expression body) {
+ this.identifier = Objects.requireNonNull(identifier);
+ this.bodies.add(Objects.requireNonNull(body));
+ }
+
+ public GraphElementIdentifier getIdentifier() {
+ return identifier;
+ }
+
+ public GraphIdentifier getGraphIdentifier() {
+ return identifier.getGraphIdentifier();
+ }
+
+ public List<Expression> getBodies() {
+ return bodies;
+ }
+
+ public List<Expression> getNormalizedBodies() {
+ return normalizedBodies;
+ }
+
+ @Override
+ public byte getCategory() {
+ return Category.QUERY;
+ }
+
+ @Override
+ public <R, T> R accept(ILangVisitor<R, T> visitor, T arg) throws CompilationException {
+ return ((IGraphixLangVisitor<R, T>) visitor).visit(this, arg);
+ }
+
+ @Override
+ public String getName() {
+ return GraphElementDecl.class.getName();
+ }
+
+ @Override
+ public void handle(IHyracksClientConnection hcc, IStatementExecutor statementExecutor,
+ IRequestParameters requestParameters, MetadataProvider metadataProvider, int resultSetId) throws Exception {
+ throw new CompilationException(ErrorCode.COMPILATION_ILLEGAL_STATE, getSourceLocation(),
+ "Handling a GraphElementDecl (this should not be possible).");
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/util/GraphStatementHandlingUtil.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/util/GraphStatementHandlingUtil.java
new file mode 100644
index 0000000..1d7d0da
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/util/GraphStatementHandlingUtil.java
@@ -0,0 +1,226 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.util;
+
+import java.rmi.RemoteException;
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+import org.apache.asterix.common.api.IMetadataLockManager;
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.common.exceptions.ErrorCode;
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.graphix.app.translator.GraphixQueryTranslator;
+import org.apache.asterix.graphix.common.metadata.GraphElementIdentifier;
+import org.apache.asterix.graphix.common.metadata.GraphIdentifier;
+import org.apache.asterix.graphix.extension.GraphixMetadataExtension;
+import org.apache.asterix.graphix.lang.expression.GraphConstructor;
+import org.apache.asterix.graphix.lang.rewrites.GraphixQueryRewriter;
+import org.apache.asterix.graphix.lang.statement.CreateGraphStatement;
+import org.apache.asterix.graphix.lang.statement.GraphDropStatement;
+import org.apache.asterix.graphix.lang.statement.GraphElementDecl;
+import org.apache.asterix.graphix.metadata.entities.Graph;
+import org.apache.asterix.graphix.metadata.entities.GraphDependencies;
+import org.apache.asterix.lang.common.base.Expression;
+import org.apache.asterix.metadata.MetadataManager;
+import org.apache.asterix.metadata.MetadataTransactionContext;
+import org.apache.asterix.metadata.declared.MetadataProvider;
+import org.apache.asterix.metadata.entities.Dataverse;
+import org.apache.asterix.translator.IStatementExecutor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+
+public final class GraphStatementHandlingUtil {
+ public static void acquireGraphWriteLocks(MetadataProvider metadataProvider, DataverseName activeDataverseName,
+ String graphName) throws AlgebricksException {
+ // Acquire a READ lock on our dataverse and a WRITE lock on our graph.
+ IMetadataLockManager metadataLockManager = metadataProvider.getApplicationContext().getMetadataLockManager();
+ metadataLockManager.acquireDataverseReadLock(metadataProvider.getLocks(), activeDataverseName);
+ metadataLockManager.acquireExtensionEntityWriteLock(metadataProvider.getLocks(),
+ GraphixMetadataExtension.GRAPHIX_METADATA_EXTENSION_ID.getName(), activeDataverseName, graphName);
+ }
+
+ public static void handleCreateGraph(CreateGraphStatement cgs, MetadataProvider metadataProvider,
+ IStatementExecutor statementExecutor, DataverseName activeDataverseName) throws Exception {
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+
+ // Ensure that our active dataverse exists.
+ Dataverse dv = MetadataManager.INSTANCE.getDataverse(mdTxnCtx, activeDataverseName);
+ if (dv == null) {
+ throw new CompilationException(ErrorCode.UNKNOWN_DATAVERSE, cgs.getSourceLocation(), activeDataverseName);
+ }
+
+ // If a graph already exists, skip.
+ Graph existingGraph = GraphixMetadataExtension.getGraph(mdTxnCtx, activeDataverseName, cgs.getGraphName());
+ if (existingGraph != null) {
+ if (cgs.isIfNotExists()) {
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ return;
+
+ } else if (!cgs.isReplaceIfExists()) {
+ throw new CompilationException(ErrorCode.COMPILATION_ERROR, cgs.getSourceLocation(),
+ "Graph " + existingGraph.getGraphName() + " already exists.");
+ }
+ }
+
+ // Build the graph schema.
+ GraphIdentifier graphIdentifier = new GraphIdentifier(activeDataverseName, cgs.getGraphName());
+ Graph.Schema.Builder schemaBuilder = new Graph.Schema.Builder(graphIdentifier);
+ Map<GraphElementIdentifier, GraphElementDecl> graphElementDecls = new LinkedHashMap<>();
+ for (GraphConstructor.VertexElement vertex : cgs.getVertexElements()) {
+ Graph.Vertex schemaVertex =
+ schemaBuilder.addVertex(vertex.getLabel(), vertex.getPrimaryKeyFields(), vertex.getDefinition());
+ switch (schemaBuilder.getLastError()) {
+ case NO_ERROR:
+ GraphElementIdentifier id = schemaVertex.getIdentifier();
+ if (graphElementDecls.containsKey(id)) {
+ graphElementDecls.get(id).getBodies().add(vertex.getExpression());
+
+ } else {
+ GraphElementDecl decl = new GraphElementDecl(id, vertex.getExpression());
+ decl.setSourceLocation(vertex.getSourceLocation());
+ graphElementDecls.put(schemaVertex.getIdentifier(), decl);
+ }
+ break;
+
+ case CONFLICTING_PRIMARY_KEY:
+ throw new CompilationException(ErrorCode.COMPILATION_ERROR, vertex.getSourceLocation(),
+ "Conflicting primary keys for vertices with label " + vertex.getLabel());
+
+ default:
+ throw new CompilationException(ErrorCode.COMPILATION_ILLEGAL_STATE, vertex.getSourceLocation(),
+ "Schema vertex was not returned, but the error is not a conflicting primary key!");
+ }
+ }
+ for (GraphConstructor.EdgeElement edge : cgs.getEdgeElements()) {
+ Graph.Edge schemaEdge;
+ if (edge.getDefinition() == null) {
+ schemaEdge = schemaBuilder.addEdge(edge.getEdgeLabel(), edge.getDestinationLabel(),
+ edge.getSourceLabel(), edge.getDestinationKeyFields());
+
+ } else {
+ schemaEdge = schemaBuilder.addEdge(edge.getEdgeLabel(), edge.getDestinationLabel(),
+ edge.getSourceLabel(), edge.getPrimaryKeyFields(), edge.getDestinationKeyFields(),
+ edge.getSourceKeyFields(), edge.getDefinition());
+ }
+
+ switch (schemaBuilder.getLastError()) {
+ case NO_ERROR:
+ if (edge.getDefinition() != null) {
+ GraphElementIdentifier id = schemaEdge.getIdentifier();
+ if (graphElementDecls.containsKey(id)) {
+ graphElementDecls.get(id).getBodies().add(edge.getExpression());
+
+ } else {
+ GraphElementDecl decl = new GraphElementDecl(id, edge.getExpression());
+ decl.setSourceLocation(edge.getSourceLocation());
+ graphElementDecls.put(id, decl);
+ }
+ }
+ break;
+
+ case SOURCE_VERTEX_NOT_FOUND:
+ throw new CompilationException(ErrorCode.COMPILATION_ERROR, edge.getSourceLocation(),
+ "Source vertex " + edge.getSourceLabel() + " not found in the edge " + edge.getEdgeLabel()
+ + ".");
+
+ case DESTINATION_VERTEX_NOT_FOUND:
+ throw new CompilationException(ErrorCode.COMPILATION_ERROR, edge.getSourceLocation(),
+ "Destination vertex " + edge.getDestinationLabel() + " not found in the edge "
+ + edge.getEdgeLabel() + ".");
+
+ case CONFLICTING_PRIMARY_KEY:
+ case CONFLICTING_SOURCE_VERTEX:
+ case CONFLICTING_DESTINATION_VERTEX:
+ throw new CompilationException(ErrorCode.COMPILATION_ERROR, edge.getSourceLocation(),
+ "Conflicting edge with the same label found: " + edge.getEdgeLabel());
+
+ default:
+ throw new CompilationException(ErrorCode.COMPILATION_ILLEGAL_STATE, edge.getSourceLocation(),
+ "Schema edge was not returned, and an unexpected error encountered");
+ }
+ }
+
+ // Verify that each element definition is usable.
+ GraphixQueryRewriter graphixQueryRewriter = ((GraphixQueryTranslator) statementExecutor).getQueryRewriter();
+ metadataProvider.setDefaultDataverse(dv);
+ for (GraphElementDecl graphElementDecl : graphElementDecls.values()) {
+ ((GraphixQueryTranslator) statementExecutor).setGraphElementNormalizedBody(metadataProvider,
+ graphElementDecl, graphixQueryRewriter);
+ }
+
+ // Build our dependencies (collected over all graph element bodies).
+ GraphDependencies graphDependencies = new GraphDependencies();
+ for (GraphElementDecl graphElementDecl : graphElementDecls.values()) {
+ if (graphElementDecl.getNormalizedBodies().size() != graphElementDecl.getBodies().size()) {
+ // We should have set the normalized body by calling {@code normalizeGraphElementAsQuery} beforehand.
+ throw new CompilationException(ErrorCode.COMPILATION_ILLEGAL_STATE,
+ graphElementDecl.getSourceLocation(), "Normalized body not found!");
+ }
+ for (Expression normalizedBody : graphElementDecl.getNormalizedBodies()) {
+ graphDependencies.collectDependencies(normalizedBody, graphixQueryRewriter);
+ }
+ }
+
+ // Add / upsert our graph to our metadata.
+ Graph newGraph = new Graph(graphIdentifier, schemaBuilder.build(), graphDependencies);
+ if (existingGraph == null) {
+ MetadataManager.INSTANCE.addEntity(mdTxnCtx, newGraph);
+
+ } else {
+ MetadataManager.INSTANCE.upsertEntity(mdTxnCtx, newGraph);
+ }
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ }
+
+ public static void handleGraphDrop(GraphDropStatement gds, MetadataProvider metadataProvider,
+ DataverseName activeDataverseName) throws RemoteException, AlgebricksException {
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+
+ // Verify that our active dataverse exists.
+ Dataverse dataverse = MetadataManager.INSTANCE.getDataverse(mdTxnCtx, activeDataverseName);
+ if (dataverse == null) {
+ if (gds.getIfExists()) {
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ return;
+
+ } else {
+ throw new CompilationException(ErrorCode.UNKNOWN_DATAVERSE, gds.getSourceLocation(),
+ activeDataverseName);
+ }
+ }
+
+ // Verify that our graph exists. If it does not, skip.
+ Graph graph = GraphixMetadataExtension.getGraph(mdTxnCtx, activeDataverseName, gds.getGraphName());
+ if (graph == null) {
+ if (gds.getIfExists()) {
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ return;
+
+ } else {
+ throw new CompilationException(ErrorCode.COMPILATION_ERROR, gds.getSourceLocation(),
+ "Graph " + gds.getGraphName() + " does not exist.");
+ }
+ }
+
+ MetadataManager.INSTANCE.deleteEntity(mdTxnCtx, graph);
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/bootstrap/GraphixMetadataIndexes.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/bootstrap/GraphixMetadataIndexes.java
new file mode 100644
index 0000000..c2e7770
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/bootstrap/GraphixMetadataIndexes.java
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.metadata.bootstrap;
+
+import static org.apache.asterix.metadata.bootstrap.MetadataRecordTypes.FIELD_NAME_DATAVERSE_NAME;
+
+import java.util.Arrays;
+import java.util.Collections;
+
+import org.apache.asterix.common.metadata.MetadataIndexImmutableProperties;
+import org.apache.asterix.graphix.extension.GraphixMetadataExtension;
+import org.apache.asterix.graphix.metadata.entities.Graph;
+import org.apache.asterix.graphix.metadata.entitytupletranslators.GraphTupleTranslator;
+import org.apache.asterix.metadata.api.ExtensionMetadataDataset;
+import org.apache.asterix.metadata.api.ExtensionMetadataDatasetId;
+import org.apache.asterix.metadata.api.IMetadataEntityTupleTranslatorFactory;
+import org.apache.asterix.om.types.BuiltinType;
+import org.apache.asterix.om.types.IAType;
+
+public class GraphixMetadataIndexes {
+ public static final String METADATA_DATASET_NAME_GRAPH = "Graph";
+
+ public static final ExtensionMetadataDatasetId GRAPH_METADATA_DATASET_EXTENSION_ID = new ExtensionMetadataDatasetId(
+ GraphixMetadataExtension.GRAPHIX_METADATA_EXTENSION_ID, METADATA_DATASET_NAME_GRAPH);
+
+ public static final MetadataIndexImmutableProperties PROPERTIES_GRAPH_METADATA_DATASET =
+ new MetadataIndexImmutableProperties(METADATA_DATASET_NAME_GRAPH,
+ MetadataIndexImmutableProperties.FIRST_AVAILABLE_EXTENSION_METADATA_DATASET_ID,
+ MetadataIndexImmutableProperties.FIRST_AVAILABLE_EXTENSION_METADATA_DATASET_ID);
+
+ public static final ExtensionMetadataDataset<Graph> GRAPH_DATASET = new ExtensionMetadataDataset<>(
+ PROPERTIES_GRAPH_METADATA_DATASET, 3, new IAType[] { BuiltinType.ASTRING, BuiltinType.ASTRING },
+ Arrays.asList(Collections.singletonList(FIELD_NAME_DATAVERSE_NAME),
+ Collections.singletonList(GraphixMetadataRecordTypes.FIELD_NAME_GRAPH_NAME)),
+ 0, GraphixMetadataRecordTypes.GRAPH_RECORDTYPE, true, new int[] { 0, 1 },
+ GRAPH_METADATA_DATASET_EXTENSION_ID,
+ (IMetadataEntityTupleTranslatorFactory<Graph>) GraphTupleTranslator::new);
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/bootstrap/GraphixMetadataRecordTypes.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/bootstrap/GraphixMetadataRecordTypes.java
new file mode 100644
index 0000000..055056d
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/bootstrap/GraphixMetadataRecordTypes.java
@@ -0,0 +1,86 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.metadata.bootstrap;
+
+import static org.apache.asterix.metadata.bootstrap.MetadataRecordTypes.FIELD_NAME_DATAVERSE_NAME;
+import static org.apache.asterix.metadata.bootstrap.MetadataRecordTypes.FIELD_NAME_DEPENDENCIES;
+import static org.apache.asterix.metadata.bootstrap.MetadataRecordTypes.FIELD_NAME_PRIMARY_KEY;
+
+import org.apache.asterix.metadata.bootstrap.MetadataRecordTypes;
+import org.apache.asterix.om.types.AOrderedListType;
+import org.apache.asterix.om.types.ARecordType;
+import org.apache.asterix.om.types.BuiltinType;
+import org.apache.asterix.om.types.IAType;
+
+public final class GraphixMetadataRecordTypes {
+ public static final String RECORD_NAME_GRAPH = "GraphRecordType";
+ public static final String RECORD_NAME_VERTICES = "VerticesRecordType";
+ public static final String RECORD_NAME_EDGES = "EdgesRecordType";
+
+ public static final String FIELD_NAME_DEFINITIONS = "Definitions";
+ public static final String FIELD_NAME_DESTINATION_KEY = "DestinationKey";
+ public static final String FIELD_NAME_DESTINATION_LABEL = "DestinationLabel";
+ public static final String FIELD_NAME_EDGES = "Edges";
+ public static final String FIELD_NAME_GRAPH_NAME = "GraphName";
+ public static final String FIELD_NAME_LABEL = "Label";
+ public static final String FIELD_NAME_SOURCE_KEY = "SourceKey";
+ public static final String FIELD_NAME_SOURCE_LABEL = "SourceLabel";
+ public static final String FIELD_NAME_VERTICES = "Vertices";
+
+ public static final int GRAPH_VERTICES_ARECORD_LABEL_FIELD_INDEX = 0;
+ public static final int GRAPH_VERTICES_ARECORD_PRIMARY_KEY_FIELD_INDEX = 1;
+ public static final int GRAPH_VERTICES_ARECORD_DEFINITIONS_FIELD_INDEX = 2;
+ public static final ARecordType VERTICES_RECORDTYPE = MetadataRecordTypes.createRecordType(RECORD_NAME_VERTICES,
+ new String[] { FIELD_NAME_LABEL, FIELD_NAME_PRIMARY_KEY, FIELD_NAME_DEFINITIONS },
+ new IAType[] { BuiltinType.ASTRING,
+ new AOrderedListType(new AOrderedListType(BuiltinType.ASTRING, null), null),
+ new AOrderedListType(BuiltinType.ASTRING, null) },
+ true);
+
+ public static final int GRAPH_EDGES_ARECORD_LABEL_FIELD_INDEX = 0;
+ public static final int GRAPH_EDGES_ARECORD_DEST_LABEL_FIELD_INDEX = 1;
+ public static final int GRAPH_EDGES_ARECORD_SOURCE_LABEL_FIELD_INDEX = 2;
+ public static final int GRAPH_EDGES_ARECORD_PRIMARY_KEY_FIELD_INDEX = 3;
+ public static final int GRAPH_EDGES_ARECORD_DEST_KEY_FIELD_INDEX = 4;
+ public static final int GRAPH_EDGES_ARECORD_SOURCE_KEY_FIELD_INDEX = 5;
+ public static final int GRAPH_EDGES_ARECORD_DEFINITIONS_FIELD_INDEX = 6;
+ public static final ARecordType EDGES_RECORDTYPE = MetadataRecordTypes.createRecordType(RECORD_NAME_EDGES,
+ new String[] { FIELD_NAME_LABEL, FIELD_NAME_DESTINATION_LABEL, FIELD_NAME_SOURCE_LABEL,
+ FIELD_NAME_PRIMARY_KEY, FIELD_NAME_DESTINATION_KEY, FIELD_NAME_SOURCE_KEY, FIELD_NAME_DEFINITIONS },
+ new IAType[] { BuiltinType.ASTRING, BuiltinType.ASTRING, BuiltinType.ASTRING,
+ new AOrderedListType(new AOrderedListType(BuiltinType.ASTRING, null), null),
+ new AOrderedListType(new AOrderedListType(BuiltinType.ASTRING, null), null),
+ new AOrderedListType(new AOrderedListType(BuiltinType.ASTRING, null), null),
+ new AOrderedListType(BuiltinType.ASTRING, null) },
+ true);
+
+ public static final int GRAPH_ARECORD_DATAVERSENAME_FIELD_INDEX = 0;
+ public static final int GRAPH_ARECORD_GRAPHNAME_FIELD_INDEX = 1;
+ public static final int GRAPH_ARECORD_DEPENDENCIES_FIELD_INDEX = 2;
+ public static final int GRAPH_ARECORD_VERTICES_FIELD_INDEX = 3;
+ public static final int GRAPH_ARECORD_EDGES_FIELD_INDEX = 4;
+ public static final ARecordType GRAPH_RECORDTYPE = MetadataRecordTypes.createRecordType(RECORD_NAME_GRAPH,
+ new String[] { FIELD_NAME_DATAVERSE_NAME, FIELD_NAME_GRAPH_NAME, FIELD_NAME_DEPENDENCIES,
+ FIELD_NAME_VERTICES, FIELD_NAME_EDGES },
+ new IAType[] { BuiltinType.ASTRING, BuiltinType.ASTRING,
+ new AOrderedListType(new AOrderedListType(new AOrderedListType(BuiltinType.ASTRING, null), null),
+ null),
+ new AOrderedListType(VERTICES_RECORDTYPE, null), new AOrderedListType(EDGES_RECORDTYPE, null) },
+ true);
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entities/Graph.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entities/Graph.java
new file mode 100644
index 0000000..21afc2d
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entities/Graph.java
@@ -0,0 +1,348 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.metadata.entities;
+
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.graphix.common.metadata.GraphElementIdentifier;
+import org.apache.asterix.graphix.common.metadata.GraphIdentifier;
+import org.apache.asterix.graphix.metadata.bootstrap.GraphixMetadataIndexes;
+import org.apache.asterix.metadata.api.ExtensionMetadataDatasetId;
+import org.apache.asterix.metadata.api.IExtensionMetadataEntity;
+
+/**
+ * Metadata describing a graph view, composed of vertices and edges.
+ */
+public class Graph implements IExtensionMetadataEntity {
+ private static final long serialVersionUID = 1L;
+
+ private final GraphIdentifier identifier;
+ private final GraphDependencies dependencies;
+ private final Schema graphSchema;
+
+ public Graph(GraphIdentifier identifier, Schema graphSchema, GraphDependencies dependencies) {
+ this.identifier = Objects.requireNonNull(identifier);
+ this.dependencies = dependencies;
+ this.graphSchema = graphSchema;
+ }
+
+ public DataverseName getDataverseName() {
+ return identifier.getDataverseName();
+ }
+
+ public String getGraphName() {
+ return identifier.getGraphName();
+ }
+
+ public GraphIdentifier getIdentifier() {
+ return identifier;
+ }
+
+ public Schema getGraphSchema() {
+ return graphSchema;
+ }
+
+ public GraphDependencies getDependencies() {
+ return dependencies;
+ }
+
+ @Override
+ public ExtensionMetadataDatasetId getDatasetId() {
+ return GraphixMetadataIndexes.GRAPH_METADATA_DATASET_EXTENSION_ID;
+ }
+
+ public static class Schema implements Serializable {
+ private static final long serialVersionUID = 1L;
+
+ // The element map is composed of the vertices and edges.
+ private final Map<GraphElementIdentifier, Element> elementMap = new HashMap<>();
+ private final List<Vertex> vertexList = new ArrayList<>();
+ private final List<Edge> edgeList = new ArrayList<>();
+
+ public List<Vertex> getVertices() {
+ return vertexList;
+ }
+
+ public List<Edge> getEdges() {
+ return edgeList;
+ }
+
+ public Element getElement(GraphElementIdentifier identifier) {
+ return elementMap.get(identifier);
+ }
+
+ private Schema() {
+ }
+
+ public static class Builder {
+ private final Map<String, Vertex> vertexLabelMap = new HashMap<>();
+ private final Map<String, Edge> edgeLabelMap = new HashMap<>();
+
+ // We aim to populate the schema object below.
+ private final Schema workingSchema = new Schema();
+ private final GraphIdentifier graphIdentifier;
+ private Error lastError = Error.NO_ERROR;
+
+ public Builder(GraphIdentifier graphIdentifier) {
+ this.graphIdentifier = graphIdentifier;
+ }
+
+ /**
+ * @return Null if the primary keys of an existing vertex conflict with the vertex to-be-added. The vertex
+ * to-be-added otherwise.
+ */
+ public Vertex addVertex(String labelName, List<List<String>> primaryKeyFieldNames, String definition) {
+ if (!vertexLabelMap.containsKey(labelName)) {
+ GraphElementIdentifier identifier =
+ new GraphElementIdentifier(graphIdentifier, GraphElementIdentifier.Kind.VERTEX, labelName);
+ Vertex newVertex = new Vertex(identifier, primaryKeyFieldNames, definition);
+ workingSchema.vertexList.add(newVertex);
+ vertexLabelMap.put(labelName, newVertex);
+ return newVertex;
+
+ } else {
+ Vertex existingVertex = vertexLabelMap.get(labelName);
+ if (!existingVertex.getPrimaryKeyFieldNames().equals(primaryKeyFieldNames)) {
+ lastError = Error.CONFLICTING_PRIMARY_KEY;
+ return null;
+ }
+ existingVertex.getDefinitions().add(definition);
+ return existingVertex;
+ }
+ }
+
+ /**
+ * @return Null if there exists no vertex with the given source label or destination label, OR if the
+ * primary key / source vertex / destination vertex of an existing edge conflict with the edge to-be-added.
+ */
+ public Edge addEdge(String edgeLabelName, String destinationLabelName, String sourceLabelName,
+ List<List<String>> destinationKeyFieldNames) {
+ if (!vertexLabelMap.containsKey(sourceLabelName)) {
+ lastError = Error.SOURCE_VERTEX_NOT_FOUND;
+ return null;
+ }
+
+ Vertex representativeSourceVertex = vertexLabelMap.get(sourceLabelName);
+ return addEdge(edgeLabelName, destinationLabelName, sourceLabelName,
+ representativeSourceVertex.getPrimaryKeyFieldNames(), destinationKeyFieldNames,
+ representativeSourceVertex.getPrimaryKeyFieldNames(), "");
+ }
+
+ /**
+ * @return Null if there exists no vertex with the given source label or destination label, OR if the
+ * primary key / source vertex / destination vertex of an existing edge conflict with the edge to-be-added.
+ */
+ public Edge addEdge(String edgeLabelName, String destinationLabelName, String sourceLabelName,
+ List<List<String>> primaryKeyFieldNames, List<List<String>> destinationKeyFieldNames,
+ List<List<String>> sourceKeyFieldNames, String definition) {
+ if (!vertexLabelMap.containsKey(sourceLabelName)) {
+ lastError = Error.SOURCE_VERTEX_NOT_FOUND;
+ return null;
+
+ } else if (!vertexLabelMap.containsKey(destinationLabelName)) {
+ lastError = Error.DESTINATION_VERTEX_NOT_FOUND;
+ return null;
+
+ } else if (edgeLabelMap.containsKey(edgeLabelName)) {
+ Edge existingEdge = edgeLabelMap.get(edgeLabelName);
+ if (!existingEdge.getPrimaryKeyFieldNames().equals(primaryKeyFieldNames)) {
+ lastError = Error.CONFLICTING_PRIMARY_KEY;
+ return null;
+
+ } else if (!existingEdge.getSourceLabelName().equals(sourceLabelName)) {
+ // This also covers any source-key conflicts.
+ lastError = Error.CONFLICTING_SOURCE_VERTEX;
+ return null;
+
+ } else if (!existingEdge.getDestinationLabelName().equals(destinationLabelName)) {
+ // This also covers any destination-key conflicts.
+ lastError = Error.CONFLICTING_DESTINATION_VERTEX;
+ return null;
+ }
+ existingEdge.getDefinitions().add(definition);
+ return existingEdge;
+
+ } else {
+ GraphElementIdentifier identifier = new GraphElementIdentifier(graphIdentifier,
+ GraphElementIdentifier.Kind.EDGE, edgeLabelName);
+ Edge newEdge = new Edge(identifier, primaryKeyFieldNames, destinationKeyFieldNames,
+ sourceKeyFieldNames, vertexLabelMap.get(destinationLabelName),
+ vertexLabelMap.get(sourceLabelName), definition);
+ workingSchema.edgeList.add(newEdge);
+ edgeLabelMap.put(edgeLabelName, newEdge);
+ return newEdge;
+ }
+ }
+
+ public Schema build() {
+ // Build the element map, composed of our vertices and edges.
+ workingSchema.elementMap.clear();
+ workingSchema.getVertices().forEach(v -> workingSchema.elementMap.put(v.identifier, v));
+ workingSchema.getEdges().forEach(e -> workingSchema.elementMap.put(e.identifier, e));
+ return workingSchema;
+ }
+
+ public Error getLastError() {
+ return lastError;
+ }
+
+ public enum Error {
+ NO_ERROR,
+
+ CONFLICTING_PRIMARY_KEY,
+ CONFLICTING_SOURCE_VERTEX,
+ CONFLICTING_DESTINATION_VERTEX,
+
+ SOURCE_VERTEX_NOT_FOUND,
+ DESTINATION_VERTEX_NOT_FOUND
+ }
+ }
+ }
+
+ public static final class Vertex implements Element {
+ private static final long serialVersionUID = 1L;
+
+ private final GraphElementIdentifier identifier;
+ private final List<List<String>> primaryKeyFieldNames;
+ private final List<String> definitions;
+
+ private Vertex(GraphElementIdentifier identifier, List<List<String>> primaryKeyFieldNames, String definition) {
+ this.identifier = Objects.requireNonNull(identifier);
+ this.primaryKeyFieldNames = Objects.requireNonNull(primaryKeyFieldNames);
+ this.definitions = new ArrayList<>();
+ this.definitions.add(Objects.requireNonNull(definition));
+ }
+
+ public List<List<String>> getPrimaryKeyFieldNames() {
+ return primaryKeyFieldNames;
+ }
+
+ @Override
+ public GraphElementIdentifier getIdentifier() {
+ return identifier;
+ }
+
+ @Override
+ public String getLabelName() {
+ return identifier.getLabelName();
+ }
+
+ @Override
+ public List<String> getDefinitions() {
+ return definitions;
+ }
+
+ @Override
+ public String toString() {
+ return "(:" + getLabelName() + ") AS " + String.join(",\n", definitions);
+ }
+ }
+
+ public static final class Edge implements Element {
+ private static final long serialVersionUID = 1L;
+
+ private final List<List<String>> primaryKeyFieldNames;
+ private final List<List<String>> destinationKeyFieldNames;
+ private final List<List<String>> sourceKeyFieldNames;
+
+ private final GraphElementIdentifier identifier;
+ private final Vertex destinationVertex;
+ private final Vertex sourceVertex;
+ private final List<String> definitions;
+
+ private Edge(GraphElementIdentifier identifier, List<List<String>> primaryKeyFieldNames,
+ List<List<String>> destinationKeyFieldNames, List<List<String>> sourceKeyFieldNames,
+ Vertex destinationVertex, Vertex sourceVertex, String edgeDefinition) {
+ this.primaryKeyFieldNames = Objects.requireNonNull(primaryKeyFieldNames);
+ this.destinationKeyFieldNames = Objects.requireNonNull(destinationKeyFieldNames);
+ this.sourceKeyFieldNames = Objects.requireNonNull(sourceKeyFieldNames);
+ this.destinationVertex = Objects.requireNonNull(destinationVertex);
+ this.sourceVertex = Objects.requireNonNull(sourceVertex);
+ this.identifier = Objects.requireNonNull(identifier);
+ this.definitions = new ArrayList<>();
+ this.definitions.add(Objects.requireNonNull(edgeDefinition));
+ }
+
+ public String getDestinationLabelName() {
+ return destinationVertex.getLabelName();
+ }
+
+ public String getSourceLabelName() {
+ return sourceVertex.getLabelName();
+ }
+
+ public List<List<String>> getPrimaryKeyFieldNames() {
+ return primaryKeyFieldNames;
+ }
+
+ public List<List<String>> getDestinationKeyFieldNames() {
+ return destinationKeyFieldNames;
+ }
+
+ public List<List<String>> getSourceKeyFieldNames() {
+ return sourceKeyFieldNames;
+ }
+
+ public Vertex getDestinationVertex() {
+ return destinationVertex;
+ }
+
+ public Vertex getSourceVertex() {
+ return sourceVertex;
+ }
+
+ @Override
+ public GraphElementIdentifier getIdentifier() {
+ return identifier;
+ }
+
+ @Override
+ public String getLabelName() {
+ return identifier.getLabelName();
+ }
+
+ @Override
+ public List<String> getDefinitions() {
+ return definitions;
+ }
+
+ @Override
+ public String toString() {
+ String edgeBodyPattern = "[:" + getLabelName() + "]";
+ String sourceNodePattern = "(:" + getSourceLabelName() + ")";
+ String destinationNodePattern = "(:" + getDestinationLabelName() + ")";
+ String edgePattern = sourceNodePattern + "-" + edgeBodyPattern + "->" + destinationNodePattern;
+ return edgePattern + " AS " + String.join(",\n", getDefinitions());
+ }
+ }
+
+ public interface Element extends Serializable {
+ GraphElementIdentifier getIdentifier();
+
+ String getLabelName();
+
+ List<String> getDefinitions();
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entities/GraphDependencies.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entities/GraphDependencies.java
new file mode 100644
index 0000000..0e7aa5a
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entities/GraphDependencies.java
@@ -0,0 +1,76 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.metadata.entities;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.lang.common.base.Expression;
+import org.apache.asterix.lang.common.base.IQueryRewriter;
+import org.apache.asterix.lang.common.util.ExpressionUtils;
+import org.apache.asterix.metadata.entities.DependencyKind;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.common.utils.Triple;
+
+/**
+ * Helper class to manage dependencies for a graph metadata entity.
+ */
+public class GraphDependencies {
+ private final List<Triple<DataverseName, String, String>> datasetDependencies;
+ private final List<Triple<DataverseName, String, String>> synonymDependencies;
+ private final List<Triple<DataverseName, String, String>> functionDependencies;
+
+ public GraphDependencies(List<List<Triple<DataverseName, String, String>>> listRepresentation) {
+ datasetDependencies = listRepresentation.get(0);
+ synonymDependencies = listRepresentation.get(1);
+ functionDependencies = listRepresentation.get(2);
+ }
+
+ public GraphDependencies() {
+ datasetDependencies = new ArrayList<>();
+ synonymDependencies = new ArrayList<>();
+ functionDependencies = new ArrayList<>();
+ }
+
+ public List<List<Triple<DataverseName, String, String>>> getListRepresentation() {
+ return List.of(datasetDependencies, synonymDependencies, functionDependencies);
+ }
+
+ public Iterator<Pair<DependencyKind, Triple<DataverseName, String, String>>> getIterator() {
+ List<Pair<DependencyKind, Triple<DataverseName, String, String>>> resultant = new ArrayList<>();
+ for (Triple<DataverseName, String, String> datasetDependency : datasetDependencies) {
+ resultant.add(new Pair<>(DependencyKind.DATASET, datasetDependency));
+ }
+ for (Triple<DataverseName, String, String> synonymDependency : synonymDependencies) {
+ resultant.add(new Pair<>(DependencyKind.SYNONYM, synonymDependency));
+ }
+ for (Triple<DataverseName, String, String> functionDependency : functionDependencies) {
+ resultant.add(new Pair<>(DependencyKind.FUNCTION, functionDependency));
+ }
+ return resultant.listIterator();
+ }
+
+ public void collectDependencies(Expression expression, IQueryRewriter queryRewriter) throws CompilationException {
+ ExpressionUtils.collectDependencies(expression, queryRewriter, datasetDependencies, synonymDependencies,
+ functionDependencies);
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entitytupletranslators/GraphTupleTranslator.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entitytupletranslators/GraphTupleTranslator.java
new file mode 100644
index 0000000..9c83184
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entitytupletranslators/GraphTupleTranslator.java
@@ -0,0 +1,437 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.asterix.graphix.metadata.entitytupletranslators;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.asterix.builders.IARecordBuilder;
+import org.apache.asterix.builders.OrderedListBuilder;
+import org.apache.asterix.builders.RecordBuilder;
+import org.apache.asterix.common.exceptions.AsterixException;
+import org.apache.asterix.common.exceptions.ErrorCode;
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.graphix.common.metadata.GraphIdentifier;
+import org.apache.asterix.graphix.metadata.bootstrap.GraphixMetadataIndexes;
+import org.apache.asterix.graphix.metadata.bootstrap.GraphixMetadataRecordTypes;
+import org.apache.asterix.graphix.metadata.entities.Graph;
+import org.apache.asterix.graphix.metadata.entities.GraphDependencies;
+import org.apache.asterix.metadata.entitytupletranslators.AbstractTupleTranslator;
+import org.apache.asterix.om.base.AOrderedList;
+import org.apache.asterix.om.base.ARecord;
+import org.apache.asterix.om.base.AString;
+import org.apache.asterix.om.base.IACursor;
+import org.apache.asterix.om.types.AOrderedListType;
+import org.apache.asterix.om.types.BuiltinType;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Triple;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+
+public class GraphTupleTranslator extends AbstractTupleTranslator<Graph> {
+ // Payload field containing serialized Graph.
+ private static final int GRAPH_PAYLOAD_TUPLE_FIELD_INDEX = 2;
+
+ // For constructing our dependency, edge, and vertex lists.
+ protected OrderedListBuilder listBuilder;
+ protected OrderedListBuilder innerListBuilder;
+ protected OrderedListBuilder nameListBuilder;
+ protected IARecordBuilder subRecordBuilder;
+ protected AOrderedListType stringListList;
+ protected AOrderedListType stringList;
+
+ public GraphTupleTranslator(boolean getTuple) {
+ super(getTuple, GraphixMetadataIndexes.GRAPH_DATASET, GRAPH_PAYLOAD_TUPLE_FIELD_INDEX);
+ if (getTuple) {
+ listBuilder = new OrderedListBuilder();
+ innerListBuilder = new OrderedListBuilder();
+ nameListBuilder = new OrderedListBuilder();
+ subRecordBuilder = new RecordBuilder();
+ stringListList = new AOrderedListType(new AOrderedListType(BuiltinType.ASTRING, null), null);
+ stringList = new AOrderedListType(BuiltinType.ASTRING, null);
+ }
+ }
+
+ @Override
+ protected Graph createMetadataEntityFromARecord(ARecord graphRecord) throws AlgebricksException {
+ // Read in the dataverse name.
+ DataverseName dataverseName = DataverseName.createFromCanonicalForm(((AString) graphRecord
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_ARECORD_DATAVERSENAME_FIELD_INDEX)).getStringValue());
+
+ // Read in the graph name.
+ String graphName =
+ ((AString) graphRecord.getValueByPos(GraphixMetadataRecordTypes.GRAPH_ARECORD_GRAPHNAME_FIELD_INDEX))
+ .getStringValue();
+
+ // Read in the dependencies.
+ IACursor dependenciesCursor = ((AOrderedList) graphRecord
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_ARECORD_DEPENDENCIES_FIELD_INDEX)).getCursor();
+ List<List<Triple<DataverseName, String, String>>> graphDependencies = new ArrayList<>();
+ while (dependenciesCursor.next()) {
+ List<Triple<DataverseName, String, String>> dependencyList = new ArrayList<>();
+ IACursor qualifiedDependencyCursor = ((AOrderedList) dependenciesCursor.get()).getCursor();
+ while (qualifiedDependencyCursor.next()) {
+ Triple<DataverseName, String, String> dependency =
+ getDependency((AOrderedList) qualifiedDependencyCursor.get());
+ dependencyList.add(dependency);
+ }
+ graphDependencies.add(dependencyList);
+ }
+
+ // Read in the vertex and edge lists.
+ GraphIdentifier graphIdentifier = new GraphIdentifier(dataverseName, graphName);
+ Graph.Schema graphSchema = readGraphSchema(graphRecord, graphIdentifier);
+ return new Graph(graphIdentifier, graphSchema, new GraphDependencies(graphDependencies));
+ }
+
+ private Graph.Schema readGraphSchema(ARecord graphRecord, GraphIdentifier graphIdentifier) throws AsterixException {
+ Graph.Schema.Builder schemaBuilder = new Graph.Schema.Builder(graphIdentifier);
+
+ // Read in the vertex list.
+ IACursor verticesCursor = ((AOrderedList) graphRecord
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_ARECORD_VERTICES_FIELD_INDEX)).getCursor();
+ while (verticesCursor.next()) {
+ ARecord vertex = (ARecord) verticesCursor.get();
+
+ // Read in the label name.
+ String labelName = ((AString) vertex
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_VERTICES_ARECORD_LABEL_FIELD_INDEX))
+ .getStringValue();
+
+ // Read in the primary key fields.
+ List<List<String>> primaryKeyFields = new ArrayList<>();
+ IACursor primaryKeyCursor = ((AOrderedList) vertex
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_VERTICES_ARECORD_PRIMARY_KEY_FIELD_INDEX))
+ .getCursor();
+ while (primaryKeyCursor.next()) {
+ IACursor nameCursor = ((AOrderedList) primaryKeyCursor.get()).getCursor();
+ primaryKeyFields.add(readNameList(nameCursor));
+ }
+
+ // Read in the vertex definition(s). Validate each definition.
+ IACursor definitionsCursor = ((AOrderedList) vertex
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_VERTICES_ARECORD_DEFINITIONS_FIELD_INDEX))
+ .getCursor();
+ while (definitionsCursor.next()) {
+ String definition = ((AString) definitionsCursor.get()).getStringValue();
+ schemaBuilder.addVertex(labelName, primaryKeyFields, definition);
+ switch (schemaBuilder.getLastError()) {
+ case NO_ERROR:
+ break;
+
+ case CONFLICTING_PRIMARY_KEY:
+ throw new AsterixException(ErrorCode.METADATA_ERROR,
+ "Conflicting primary keys for vertices with label " + labelName);
+
+ default:
+ throw new AsterixException(ErrorCode.METADATA_ERROR,
+ "Schema vertex was not returned, but the error is not a conflicting primary key!");
+ }
+ }
+ }
+
+ // Read in the edge list.
+ IACursor edgesCursor =
+ ((AOrderedList) graphRecord.getValueByPos(GraphixMetadataRecordTypes.GRAPH_ARECORD_EDGES_FIELD_INDEX))
+ .getCursor();
+ while (edgesCursor.next()) {
+ ARecord edge = (ARecord) edgesCursor.get();
+
+ // Read in the label name.
+ String labelName =
+ ((AString) edge.getValueByPos(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_LABEL_FIELD_INDEX))
+ .getStringValue();
+
+ // Read in the destination label name.
+ String destinationLabelName = ((AString) edge
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_DEST_LABEL_FIELD_INDEX))
+ .getStringValue();
+
+ // Read in the source label name.
+ String sourceLabelName = ((AString) edge
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_SOURCE_LABEL_FIELD_INDEX))
+ .getStringValue();
+
+ // Read in the primary key fields.
+ List<List<String>> primaryKeyFields = new ArrayList<>();
+ IACursor primaryKeyCursor = ((AOrderedList) edge
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_PRIMARY_KEY_FIELD_INDEX)).getCursor();
+ while (primaryKeyCursor.next()) {
+ IACursor nameCursor = ((AOrderedList) primaryKeyCursor.get()).getCursor();
+ primaryKeyFields.add(readNameList(nameCursor));
+ }
+
+ // Read in the destination key fields.
+ List<List<String>> destinationKeyFields = new ArrayList<>();
+ IACursor destinationKeyCursor = ((AOrderedList) edge
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_DEST_KEY_FIELD_INDEX)).getCursor();
+ while (destinationKeyCursor.next()) {
+ IACursor nameCursor = ((AOrderedList) destinationKeyCursor.get()).getCursor();
+ destinationKeyFields.add(readNameList(nameCursor));
+ }
+
+ // Read in the source key fields.
+ List<List<String>> sourceKeyFields = new ArrayList<>();
+ IACursor sourceKeyCursor = ((AOrderedList) edge
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_SOURCE_KEY_FIELD_INDEX)).getCursor();
+ while (sourceKeyCursor.next()) {
+ IACursor nameCursor = ((AOrderedList) sourceKeyCursor.get()).getCursor();
+ sourceKeyFields.add(readNameList(nameCursor));
+ }
+
+ // Read in the edge definition(s). Validate each definition.
+ IACursor definitionsCursor = ((AOrderedList) edge
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_DEFINITIONS_FIELD_INDEX)).getCursor();
+ while (definitionsCursor.next()) {
+ String definition = ((AString) definitionsCursor.get()).getStringValue();
+ schemaBuilder.addEdge(labelName, destinationLabelName, sourceLabelName, primaryKeyFields,
+ destinationKeyFields, sourceKeyFields, definition);
+ switch (schemaBuilder.getLastError()) {
+ case NO_ERROR:
+ break;
+
+ case SOURCE_VERTEX_NOT_FOUND:
+ throw new AsterixException(ErrorCode.METADATA_ERROR,
+ "Source vertex " + sourceLabelName + " not found in the edge " + labelName + ".");
+
+ case DESTINATION_VERTEX_NOT_FOUND:
+ throw new AsterixException(ErrorCode.METADATA_ERROR, "Destination vertex "
+ + destinationLabelName + " not found in the edge " + labelName + ".");
+
+ case CONFLICTING_PRIMARY_KEY:
+ case CONFLICTING_SOURCE_VERTEX:
+ case CONFLICTING_DESTINATION_VERTEX:
+ throw new AsterixException(ErrorCode.METADATA_ERROR,
+ "Conflicting edge with the same label found: " + labelName);
+
+ default:
+ throw new AsterixException(ErrorCode.METADATA_ERROR,
+ "Schema edge was not returned, and an unexpected error encountered");
+ }
+ }
+ }
+
+ return schemaBuilder.build();
+ }
+
+ private List<String> readNameList(IACursor nameCursor) {
+ List<String> fieldName = new ArrayList<>();
+ while (nameCursor.next()) {
+ String subName = ((AString) nameCursor.get()).getStringValue();
+ fieldName.add(subName);
+ }
+ return fieldName;
+ }
+
+ @Override
+ public ITupleReference getTupleFromMetadataEntity(Graph graph) throws HyracksDataException {
+ // Write our primary key (dataverse name, graph name).
+ String dataverseCanonicalName = graph.getDataverseName().getCanonicalForm();
+ tupleBuilder.reset();
+ aString.setValue(dataverseCanonicalName);
+ stringSerde.serialize(aString, tupleBuilder.getDataOutput());
+ tupleBuilder.addFieldEndOffset();
+ aString.setValue(graph.getGraphName());
+ stringSerde.serialize(aString, tupleBuilder.getDataOutput());
+ tupleBuilder.addFieldEndOffset();
+
+ // Write the payload in the third field of the tuple.
+ recordBuilder.reset(GraphixMetadataRecordTypes.GRAPH_RECORDTYPE);
+
+ // Write the dataverse name.
+ fieldValue.reset();
+ aString.setValue(dataverseCanonicalName);
+ stringSerde.serialize(aString, fieldValue.getDataOutput());
+ recordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_ARECORD_DATAVERSENAME_FIELD_INDEX, fieldValue);
+
+ // Write the graph name.
+ fieldValue.reset();
+ aString.setValue(graph.getGraphName());
+ stringSerde.serialize(aString, fieldValue.getDataOutput());
+ recordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_ARECORD_GRAPHNAME_FIELD_INDEX, fieldValue);
+
+ // Write our dependencies.
+ ArrayBackedValueStorage itemValue = new ArrayBackedValueStorage();
+ listBuilder.reset((AOrderedListType) GraphixMetadataRecordTypes.GRAPH_RECORDTYPE
+ .getFieldTypes()[GraphixMetadataRecordTypes.GRAPH_ARECORD_DEPENDENCIES_FIELD_INDEX]);
+ for (List<Triple<DataverseName, String, String>> dependencies : graph.getDependencies()
+ .getListRepresentation()) {
+ List<String> subNames = new ArrayList<>();
+ innerListBuilder.reset(stringListList);
+ for (Triple<DataverseName, String, String> dependency : dependencies) {
+ subNames.clear();
+ getDependencySubNames(dependency, subNames);
+ writeNameList(subNames, itemValue);
+ innerListBuilder.addItem(itemValue);
+ }
+ itemValue.reset();
+ innerListBuilder.write(itemValue.getDataOutput(), true);
+ listBuilder.addItem(itemValue);
+ }
+ fieldValue.reset();
+ listBuilder.write(fieldValue.getDataOutput(), true);
+ recordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_ARECORD_DEPENDENCIES_FIELD_INDEX, fieldValue);
+
+ // Write our vertex set.
+ listBuilder.reset((AOrderedListType) GraphixMetadataRecordTypes.GRAPH_RECORDTYPE
+ .getFieldTypes()[GraphixMetadataRecordTypes.GRAPH_ARECORD_VERTICES_FIELD_INDEX]);
+ for (Graph.Vertex vertex : graph.getGraphSchema().getVertices()) {
+ writeVertexRecord(vertex, itemValue);
+ listBuilder.addItem(itemValue);
+ }
+ fieldValue.reset();
+ listBuilder.write(fieldValue.getDataOutput(), true);
+ recordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_ARECORD_VERTICES_FIELD_INDEX, fieldValue);
+
+ // Write our edge set.
+ listBuilder.reset((AOrderedListType) GraphixMetadataRecordTypes.GRAPH_RECORDTYPE
+ .getFieldTypes()[GraphixMetadataRecordTypes.GRAPH_ARECORD_EDGES_FIELD_INDEX]);
+ for (Graph.Edge edge : graph.getGraphSchema().getEdges()) {
+ writeEdgeRecord(edge, itemValue);
+ listBuilder.addItem(itemValue);
+ }
+ fieldValue.reset();
+ listBuilder.write(fieldValue.getDataOutput(), true);
+ recordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_ARECORD_EDGES_FIELD_INDEX, fieldValue);
+
+ // Finally, write our record.
+ recordBuilder.write(tupleBuilder.getDataOutput(), true);
+ tupleBuilder.addFieldEndOffset();
+ tuple.reset(tupleBuilder.getFieldEndOffsets(), tupleBuilder.getByteArray());
+ return tuple;
+ }
+
+ private void writeVertexRecord(Graph.Vertex vertex, ArrayBackedValueStorage itemValue) throws HyracksDataException {
+ subRecordBuilder.reset(GraphixMetadataRecordTypes.VERTICES_RECORDTYPE);
+
+ // Write the label name.
+ fieldValue.reset();
+ aString.setValue(vertex.getLabelName());
+ stringSerde.serialize(aString, fieldValue.getDataOutput());
+ subRecordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_VERTICES_ARECORD_LABEL_FIELD_INDEX, fieldValue);
+
+ // Write the primary key fields.
+ fieldValue.reset();
+ innerListBuilder.reset(stringListList);
+ for (List<String> keyField : vertex.getPrimaryKeyFieldNames()) {
+ writeNameList(keyField, itemValue);
+ innerListBuilder.addItem(itemValue);
+ }
+ innerListBuilder.write(fieldValue.getDataOutput(), true);
+ subRecordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_VERTICES_ARECORD_PRIMARY_KEY_FIELD_INDEX,
+ fieldValue);
+
+ // Write the vertex definition(s).
+ fieldValue.reset();
+ innerListBuilder.reset(stringList);
+ for (String definition : vertex.getDefinitions()) {
+ itemValue.reset();
+ aString.setValue(definition);
+ stringSerde.serialize(aString, itemValue.getDataOutput());
+ innerListBuilder.addItem(itemValue);
+ }
+ innerListBuilder.write(fieldValue.getDataOutput(), true);
+ subRecordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_VERTICES_ARECORD_DEFINITIONS_FIELD_INDEX,
+ fieldValue);
+
+ itemValue.reset();
+ subRecordBuilder.write(itemValue.getDataOutput(), true);
+ }
+
+ private void writeEdgeRecord(Graph.Edge edge, ArrayBackedValueStorage itemValue) throws HyracksDataException {
+ subRecordBuilder.reset(GraphixMetadataRecordTypes.EDGES_RECORDTYPE);
+
+ // Write the label name.
+ fieldValue.reset();
+ aString.setValue(edge.getLabelName());
+ stringSerde.serialize(aString, fieldValue.getDataOutput());
+ subRecordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_LABEL_FIELD_INDEX, fieldValue);
+
+ // Write the destination label name.
+ fieldValue.reset();
+ aString.setValue(edge.getDestinationLabelName());
+ stringSerde.serialize(aString, fieldValue.getDataOutput());
+ subRecordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_DEST_LABEL_FIELD_INDEX, fieldValue);
+
+ // Write the source label name.
+ fieldValue.reset();
+ aString.setValue(edge.getSourceLabelName());
+ stringSerde.serialize(aString, fieldValue.getDataOutput());
+ subRecordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_SOURCE_LABEL_FIELD_INDEX, fieldValue);
+
+ // Write the primary key fields.
+ fieldValue.reset();
+ innerListBuilder.reset(stringListList);
+ for (List<String> keyField : edge.getPrimaryKeyFieldNames()) {
+ writeNameList(keyField, itemValue);
+ innerListBuilder.addItem(itemValue);
+ }
+ innerListBuilder.write(fieldValue.getDataOutput(), true);
+ subRecordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_PRIMARY_KEY_FIELD_INDEX, fieldValue);
+
+ // Write the destination key fields.
+ fieldValue.reset();
+ innerListBuilder.reset(stringListList);
+ for (List<String> keyField : edge.getDestinationKeyFieldNames()) {
+ writeNameList(keyField, itemValue);
+ innerListBuilder.addItem(itemValue);
+ }
+ innerListBuilder.write(fieldValue.getDataOutput(), true);
+ subRecordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_DEST_KEY_FIELD_INDEX, fieldValue);
+
+ // Write the source key fields.
+ fieldValue.reset();
+ innerListBuilder.reset(stringListList);
+ for (List<String> keyField : edge.getSourceKeyFieldNames()) {
+ writeNameList(keyField, itemValue);
+ innerListBuilder.addItem(itemValue);
+ }
+ innerListBuilder.write(fieldValue.getDataOutput(), true);
+ subRecordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_SOURCE_KEY_FIELD_INDEX, fieldValue);
+
+ // Write the edge definition(s).
+ fieldValue.reset();
+ innerListBuilder.reset(stringList);
+ for (String definition : edge.getDefinitions()) {
+ itemValue.reset();
+ aString.setValue(definition);
+ stringSerde.serialize(aString, itemValue.getDataOutput());
+ innerListBuilder.addItem(itemValue);
+ }
+ innerListBuilder.write(fieldValue.getDataOutput(), true);
+ subRecordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_DEFINITIONS_FIELD_INDEX, fieldValue);
+
+ itemValue.reset();
+ subRecordBuilder.write(itemValue.getDataOutput(), true);
+ }
+
+ private void writeNameList(List<String> name, ArrayBackedValueStorage itemValue) throws HyracksDataException {
+ nameListBuilder.reset(stringList);
+ for (String subName : name) {
+ itemValue.reset();
+ aString.setValue(subName);
+ stringSerde.serialize(aString, itemValue.getDataOutput());
+ nameListBuilder.addItem(itemValue);
+ }
+ itemValue.reset();
+ nameListBuilder.write(itemValue.getDataOutput(), true);
+ }
+}
diff --git a/asterix-graphix/src/main/resources/cc.conf b/asterix-graphix/src/main/resources/cc.conf
new file mode 100644
index 0000000..8452471
--- /dev/null
+++ b/asterix-graphix/src/main/resources/cc.conf
@@ -0,0 +1,68 @@
+; Licensed to the Apache Software Foundation (ASF) under one
+; or more contributor license agreements. See the NOTICE file
+; distributed with this work for additional information
+; regarding copyright ownership. The ASF licenses this file
+; to you under the Apache License, Version 2.0 (the
+; "License"); you may not use this file except in compliance
+; with the License. You may obtain a copy of the License at
+;
+; http://www.apache.org/licenses/LICENSE-2.0
+;
+; Unless required by applicable law or agreed to in writing,
+; software distributed under the License is distributed on an
+; "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+; KIND, either express or implied. See the License for the
+; specific language governing permissions and limitations
+; under the License.
+
+[nc/asterix_nc1]
+txn.log.dir=target/tmp/asterix_nc1/txnlog
+core.dump.dir=target/tmp/asterix_nc1/coredump
+iodevices=target/tmp/asterix_nc1/iodevice1,../asterix-server/target/tmp/asterix_nc1/iodevice2
+#jvm.args=-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=5006
+
+[nc/asterix_nc2]
+ncservice.port=9091
+nc.api.port=19005
+txn.log.dir=target/tmp/asterix_nc2/txnlog
+core.dump.dir=target/tmp/asterix_nc2/coredump
+iodevices=target/tmp/asterix_nc2/iodevice1,../asterix-server/target/tmp/asterix_nc2/iodevice2
+#jvm.args=-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=5007
+
+[nc]
+address=127.0.0.1
+command=asterixnc
+app.class=org.apache.asterix.hyracks.bootstrap.NCApplication
+jvm.args=-Xmx4096m -Dnode.Resolver="org.apache.asterix.external.util.IdentitiyResolverFactory"
+storage.buffercache.pagesize=32KB
+storage.buffercache.size=128MB
+storage.memorycomponent.globalbudget=512MB
+storage.io.scheduler=greedy
+storage.filtered.memorycomponent.max.size=16MB
+
+[cc]
+address=127.0.0.1
+app.class=org.apache.asterix.hyracks.bootstrap.CCApplication
+heartbeat.period=2000
+heartbeat.max.misses=25
+
+[common]
+log.dir=logs/
+log.level=INFO
+compiler.framesize=32KB
+compiler.sortmemory=320KB
+compiler.groupmemory=160KB
+compiler.joinmemory=256KB
+compiler.textsearchmemory=160KB
+compiler.windowmemory=192KB
+compiler.sort.parallel=false
+compiler.internal.sanitycheck=true
+messaging.frame.size=4096
+messaging.frame.count=512
+
+[extension/org.apache.asterix.graphix.extension.GraphixQueryTranslatorExtension]
+enabled=true
+[extension/org.apache.asterix.graphix.extension.GraphixLangExtension]
+enabled=true
+[extension/org.apache.asterix.graphix.extension.GraphixMetadataExtension]
+enabled=true
\ No newline at end of file
diff --git a/asterix-graphix/src/main/resources/lang-extension/lang.txt b/asterix-graphix/src/main/resources/lang-extension/lang.txt
new file mode 100644
index 0000000..6d215f0
--- /dev/null
+++ b/asterix-graphix/src/main/resources/lang-extension/lang.txt
@@ -0,0 +1,354 @@
+//
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements. See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership. The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied. See the License for the
+// specific language governing permissions and limitations
+// under the License.
+//
+
+import org.apache.asterix.graphix.common.metadata.GraphElementIdentifier;
+import org.apache.asterix.graphix.lang.expression.GraphConstructor;
+import org.apache.asterix.graphix.lang.statement.CreateGraphStatement;
+import org.apache.asterix.graphix.lang.statement.GraphDropStatement;
+import org.apache.asterix.graphix.lang.statement.GraphElementDecl;
+import org.apache.asterix.lang.sqlpp.parser.ParseException;
+import org.apache.asterix.lang.sqlpp.parser.SqlppParseException;
+import org.apache.asterix.lang.sqlpp.parser.Token;
+
+@new_at_the_class_def
+public GraphElementDecl parseGraphElementBody(GraphElementIdentifier identifier) throws CompilationException {
+ return parseImpl(new ParseFunction<GraphElementDecl>() {
+ @Override
+ public GraphElementDecl parse() throws ParseException {
+ DataverseName dataverse = defaultDataverse;
+ defaultDataverse = identifier.getGraphIdentifier().getDataverseName();
+
+ // We borrow the ViewBody production, where we have a SelectExpression or a VariableRef.
+ createNewScope();
+ Expression elementBodyExpr = GraphixParser.this.ViewBody();
+ removeCurrentScope();
+
+ defaultDataverse = dataverse;
+ return new GraphElementDecl(identifier, elementBodyExpr);
+ }
+ });
+}
+
+@merge
+Statement CreateStatement() throws ParseException:
+{
+ // merge area 1
+ before:
+ after:
+}
+{
+ (
+ // merge area 2
+ before:
+ after: | stmt = CreateGraphStatement(startToken, false)
+ )
+ {
+ // merge area 3
+ }
+}
+
+@merge
+Statement CreateOrReplaceStatement(Token startStmtToken) throws ParseException:
+{
+ // merge area 1
+ before:
+ after:
+}
+{
+ (
+ // merge area 2
+ before:
+ after: | stmt = CreateGraphStatement(startStmtToken, true)
+ )
+ {
+ // merge area 3
+ }
+}
+
+@merge
+Statement DropStatement() throws ParseException:
+{
+ // merge area 1
+ before:
+ after:
+}
+{
+ (
+ // merge area 2
+ before:
+ after: | stmt = DropGraphStatement(startToken)
+ )
+ {
+ // merge area 3
+ }
+}
+
+@new
+CreateGraphStatement CreateGraphStatement(Token startStmtToken, boolean orReplace) throws ParseException:
+{
+ CreateGraphStatement stmt = null;
+}
+{
+ <GRAPH> stmt = CreateGraphSpecification(startStmtToken, orReplace)
+ {
+ return stmt;
+ }
+}
+
+@new
+CreateGraphStatement CreateGraphSpecification(Token startStmtToken, boolean orReplace) throws ParseException:
+{
+ Pair<DataverseName, Identifier> nameComponents = null;
+ GraphConstructor graphConstructor = null;
+ boolean ifNotExists = false;
+}
+{
+ nameComponents = QualifiedName()
+ ifNotExists = IfNotExists()
+ {
+ if (orReplace && ifNotExists) {
+ throw new SqlppParseException(getSourceLocation(startStmtToken), "Unexpected IF NOT EXISTS");
+ }
+ }
+ <AS> graphConstructor = GraphConstructor(token)
+ {
+ CreateGraphStatement stmt = new CreateGraphStatement(nameComponents.first, nameComponents.second.getValue(),
+ orReplace, ifNotExists, graphConstructor);
+ return addSourceLocation(stmt, startStmtToken);
+ }
+}
+
+@new
+GraphDropStatement DropGraphStatement(Token startStmtToken) throws ParseException:
+{
+ GraphDropStatement stmt = null;
+}
+{
+ <GRAPH> stmt = DropGraphSpecification(startStmtToken)
+ {
+ return stmt;
+ }
+}
+
+@new
+GraphDropStatement DropGraphSpecification(Token startStmtToken) throws ParseException:
+{
+ Pair<DataverseName, Identifier> pairId = null;
+ boolean ifExists = false;
+}
+{
+ pairId = QualifiedName() ifExists = IfExists()
+ {
+ GraphDropStatement stmt = new GraphDropStatement(pairId.first, pairId.second.getValue(), ifExists);
+ return addSourceLocation(stmt, startStmtToken);
+ }
+}
+
+@new
+Pair<List<Integer>, List<List<String>>> KeyFields() throws ParseException:
+{
+ Pair<List<Integer>, List<List<String>>> keyFields = null;
+}
+{
+ // This is essentially an alias for the production PrimaryKeyFields.
+ keyFields = PrimaryKeyFields()
+ {
+ return keyFields;
+ }
+}
+
+@new
+GraphConstructor GraphConstructor(Token startStmtToken) throws ParseException:
+{
+ List<GraphConstructor.VertexElement> vertexElements = new ArrayList<GraphConstructor.VertexElement>();
+ List<GraphConstructor.EdgeElement> edgeElements = new ArrayList<GraphConstructor.EdgeElement>();
+ GraphConstructor.VertexElement vertexElement = null;
+ GraphConstructor.EdgeElement edgeElement = null;
+}
+{
+ vertexElement = GraphVertexSpecification(startStmtToken) { vertexElements.add(vertexElement); }
+ ( <COMMA>
+ (
+ ( vertexElement = GraphVertexSpecification(token) { vertexElements.add(vertexElement); } )
+ | ( edgeElement = GraphEdgeSpecification(token) { edgeElements.add(edgeElement); } )
+ )
+ )*
+ {
+ GraphConstructor graphConstructor = new GraphConstructor(vertexElements, edgeElements);
+ return addSourceLocation(graphConstructor, startStmtToken);
+ }
+}
+
+@new
+GraphConstructor.VertexElement GraphVertexSpecification(Token startStmtToken) throws ParseException:
+{
+ Pair<List<Integer>, List<List<String>>> primaryKeyFields;
+ Token beginPos = null, endPos = null;
+ Expression vertexDefinitionExpr;
+ String vertexName;
+}
+{
+ <VERTEX>
+ vertexName = GraphVertexDefinitionPattern()
+ <PRIMARY> <KEY> <LEFTPAREN> primaryKeyFields = KeyFields() <RIGHTPAREN>
+ <AS>
+ {
+ beginPos = token;
+ createNewScope();
+ }
+ (
+ vertexDefinitionExpr = ViewBody()
+ | <LEFTPAREN> vertexDefinitionExpr = ViewBody() <RIGHTPAREN>
+ )
+ {
+ endPos = token;
+ String vDef = extractFragment(beginPos.beginLine, beginPos.beginColumn + 1, endPos.endLine, endPos.endColumn + 1);
+ removeCurrentScope();
+ GraphConstructor.VertexElement vertexElement = new GraphConstructor.VertexElement(vertexName,
+ primaryKeyFields.second, primaryKeyFields.first, vertexDefinitionExpr, vDef);
+ return addSourceLocation(vertexElement, startStmtToken);
+ }
+}
+
+@new
+String GraphVertexDefinitionPattern() throws ParseException:
+{
+ String vertexName;
+}
+{
+ <LEFTPAREN> <COLON> vertexName = Identifier() <RIGHTPAREN>
+ {
+ return vertexName;
+ }
+}
+
+@new
+GraphConstructor.EdgeElement GraphEdgeSpecification(Token startStmtToken) throws ParseException:
+{
+ Pair<Triple<String, String, String>, Boolean> edgeDefinitionPattern;
+ Pair<List<Integer>, List<List<String>>> keyFields;
+ Token beginPos = null, endPos = null;
+ Expression edgeDefinitionExpr = null;
+
+ List<Integer> destinationKeySourceIndicators = null;
+ List<Integer> sourceKeySourceIndicators = null;
+ List<Integer> primaryKeySourceIndicators = null;
+ List<List<String>> destinationKeyFields = null;
+ List<List<String>> sourceKeyFields = null;
+ List<List<String>> primaryKeyFields = null;
+}
+{
+ <EDGE>
+ edgeDefinitionPattern = GraphEdgeDefinitionPattern()
+ (
+ (
+ <PRIMARY> <KEY> <LEFTPAREN> keyFields = KeyFields() <RIGHTPAREN>
+ {
+ primaryKeyFields = keyFields.second;
+ primaryKeySourceIndicators = keyFields.first;
+ }
+ <SOURCE> <KEY> <LEFTPAREN> keyFields = KeyFields() <RIGHTPAREN>
+ {
+ sourceKeyFields = keyFields.second;
+ sourceKeySourceIndicators = keyFields.first;
+ }
+ <DESTINATION> <KEY> <LEFTPAREN> keyFields = KeyFields() <RIGHTPAREN>
+ {
+ destinationKeyFields = keyFields.second;
+ destinationKeySourceIndicators = keyFields.first;
+ }
+ <AS>
+ {
+ beginPos = token;
+ createNewScope();
+ }
+ (
+ edgeDefinitionExpr = ViewBody()
+ | <LEFTPAREN> edgeDefinitionExpr = ViewBody() <RIGHTPAREN>
+ )
+ )
+ |
+ (
+ <DESTINATION> <KEY> <LEFTPAREN> keyFields = KeyFields() <RIGHTPAREN>
+ {
+ destinationKeyFields = keyFields.second;
+ destinationKeySourceIndicators = keyFields.first;
+ }
+ )
+ )
+ {
+ String destinationLabel, edgeLabel, sourceLabel;
+ if (edgeDefinitionPattern.second) { // isDirectedLeft
+ sourceLabel = edgeDefinitionPattern.first.third;
+ edgeLabel = edgeDefinitionPattern.first.second;
+ destinationLabel = edgeDefinitionPattern.first.first;
+ } else {
+ sourceLabel = edgeDefinitionPattern.first.first;
+ edgeLabel = edgeDefinitionPattern.first.second;
+ destinationLabel = edgeDefinitionPattern.first.third;
+ }
+
+ String eDef = null;
+ if (edgeDefinitionExpr != null) {
+ endPos = token;
+ eDef = extractFragment(beginPos.beginLine, beginPos.beginColumn + 1, endPos.endLine, endPos.endColumn + 1);
+ removeCurrentScope();
+ }
+
+ GraphConstructor.EdgeElement edgeElement = new GraphConstructor.EdgeElement(edgeLabel, destinationLabel,
+ sourceLabel, primaryKeyFields, primaryKeySourceIndicators, destinationKeyFields, destinationKeySourceIndicators,
+ sourceKeyFields, sourceKeySourceIndicators, edgeDefinitionExpr, eDef);
+ return addSourceLocation(edgeElement, startStmtToken);
+ }
+}
+
+@new
+Pair<Triple<String, String, String>, Boolean> GraphEdgeDefinitionPattern() throws ParseException:
+{
+ String leftVertexName, edgeName, rightVertexName;
+ boolean isDirectedLeft;
+}
+{
+ leftVertexName = GraphVertexDefinitionPattern()
+ ( <MINUS> <LEFTBRACKET> <COLON> edgeName = Identifier() <RIGHTBRACKET> <MINUS> <GT> { isDirectedLeft = false; }
+ | <LT> <MINUS> <LEFTBRACKET> <COLON> edgeName = Identifier() <RIGHTBRACKET> <MINUS> { isDirectedLeft = true; } )
+ rightVertexName = GraphVertexDefinitionPattern()
+ {
+ Triple<String, String, String> t = new Triple<String, String, String>(leftVertexName, edgeName, rightVertexName);
+ return new Pair<Triple<String, String, String>, Boolean>(t, isDirectedLeft);
+ }
+}
+
+@new
+<DEFAULT,IN_DBL_BRACE>
+TOKEN [IGNORE_CASE]:
+{
+ <DESTINATION: "destination">
+ | <EDGE: "edge">
+ | <GRAPH: "graph">
+ | <SOURCE: "source">
+ | <VERTEX: "vertex">
+}
+
+@new_at_the_end
+<DEFAULT,IN_DBL_BRACE>
+TOKEN :
+{
+ <BAR: "|">
+}
\ No newline at end of file
diff --git a/asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixExecutionTest.java b/asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixExecutionTest.java
new file mode 100644
index 0000000..0820e29
--- /dev/null
+++ b/asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixExecutionTest.java
@@ -0,0 +1,91 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.test;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Collection;
+
+import org.apache.asterix.test.common.TestExecutor;
+import org.apache.asterix.test.runtime.ExecutionTestUtil;
+import org.apache.asterix.testframework.context.TestCaseContext;
+import org.apache.asterix.testframework.xml.TestGroup;
+import org.apache.commons.lang3.StringUtils;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+
+@RunWith(Parameterized.class)
+public class GraphixExecutionTest {
+ protected static final String PATH_ACTUAL = "target/rttest" + File.separator;
+ protected static final String PATH_BASE =
+ StringUtils.join(new String[] { "src", "test", "resources", "runtimets" }, File.separator);
+ protected static final String TEST_CONFIG_FILE_NAME = "src/main/resources/cc.conf";
+ private static final String TEST_SUITE_FILE = "testsuite.xml";
+ private static final String ONLY_SUITE_FILE = "only.xml";
+
+ private static final GraphixIntegrationUtil integrationUtil = new GraphixIntegrationUtil();
+ private static final TestExecutor testExecutor = new TestExecutor();
+
+ protected static TestGroup FailedGroup;
+ protected TestCaseContext tcCtx;
+
+ public GraphixExecutionTest(TestCaseContext tcCtx) {
+ this.tcCtx = tcCtx;
+ }
+
+ @BeforeClass
+ public static void setUp() throws Exception {
+ //noinspection ResultOfMethodCallIgnored
+ new File(PATH_ACTUAL).mkdirs();
+ ExecutionTestUtil.setUp(true, TEST_CONFIG_FILE_NAME, integrationUtil, false, null);
+ }
+
+ @AfterClass
+ public static void tearDown() throws Exception {
+ ExecutionTestUtil.tearDown(true, integrationUtil, true);
+ integrationUtil.removeTestStorageFiles();
+ }
+
+ @Parameters(name = "ExecutionTest {index}: {0}")
+ public static Collection<Object[]> tests() throws Exception {
+ Collection<Object[]> test_cases = buildTestsInXml(ONLY_SUITE_FILE);
+ if (test_cases.size() == 0) {
+ test_cases = buildTestsInXml(TEST_SUITE_FILE);
+ }
+ return test_cases;
+ }
+
+ protected static Collection<Object[]> buildTestsInXml(String xmlfile) throws Exception {
+ Collection<Object[]> testArgs = new ArrayList<>();
+ TestCaseContext.Builder b = new TestCaseContext.Builder();
+ for (TestCaseContext ctx : b.build(new File(PATH_BASE), xmlfile)) {
+ testArgs.add(new Object[] { ctx });
+ }
+ return testArgs;
+ }
+
+ @Test
+ public void test() throws Exception {
+ testExecutor.executeTest(PATH_ACTUAL, tcCtx, null, false, FailedGroup);
+ }
+}
diff --git a/asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixIntegrationUtil.java b/asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixIntegrationUtil.java
new file mode 100644
index 0000000..e3ea8e9
--- /dev/null
+++ b/asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixIntegrationUtil.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2009-2013 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.asterix.graphix.test;
+
+import org.apache.asterix.api.common.AsterixHyracksIntegrationUtil;
+import org.apache.hyracks.test.support.TestUtils;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+
+@RunWith(Parameterized.class)
+public class GraphixIntegrationUtil extends AsterixHyracksIntegrationUtil {
+ private static final String DEFAULT_CONF_FILE = "asterixdb/asterix-opt/asterix-graphix/src/main/resources/cc.conf";
+
+ public static void main(String[] args) {
+ TestUtils.redirectLoggingToConsole();
+ GraphixIntegrationUtil graphixIntegrationUtil = new GraphixIntegrationUtil();
+ try {
+ boolean cleanupOnStart = Boolean.getBoolean("cleanup.start");
+ boolean cleanupOnShutdown = Boolean.getBoolean("cleanup.shutdown");
+ String confFile = System.getProperty("external.lib", DEFAULT_CONF_FILE);
+ graphixIntegrationUtil.run(cleanupOnStart, cleanupOnShutdown, confFile);
+ } catch (Exception e) {
+ e.printStackTrace();
+ System.exit(1);
+ }
+ }
+}
diff --git a/asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixMetadataTest.java b/asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixMetadataTest.java
new file mode 100644
index 0000000..bf2c756
--- /dev/null
+++ b/asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixMetadataTest.java
@@ -0,0 +1,81 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.test;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Collection;
+
+import org.apache.asterix.test.common.TestExecutor;
+import org.apache.asterix.testframework.context.TestCaseContext;
+import org.apache.commons.lang3.StringUtils;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+
+@RunWith(Parameterized.class)
+public class GraphixMetadataTest {
+ private static final String PATH_ACTUAL = "target" + File.separator + "mdtest" + File.separator;
+ private static final String PATH_BASE =
+ StringUtils.join(new String[] { "src", "test", "resources", "metadata" + File.separator }, File.separator);
+ private static final String TEST_CONFIG_FILE_NAME = "src/main/resources/cc.conf";
+
+ private static final TestExecutor testExecutor = new TestExecutor();
+ private static final GraphixIntegrationUtil integrationUtil = new GraphixIntegrationUtil();
+
+ private final TestCaseContext tcCtx;
+
+ public GraphixMetadataTest(TestCaseContext tcCtx) {
+ this.tcCtx = tcCtx;
+ }
+
+ @BeforeClass
+ public static void setUp() throws Exception {
+ //noinspection ResultOfMethodCallIgnored
+ new File(PATH_ACTUAL).mkdirs();
+ integrationUtil.init(true, TEST_CONFIG_FILE_NAME);
+ }
+
+ @AfterClass
+ public static void tearDown() throws Exception {
+ integrationUtil.deinit(true);
+ File outdir = new File(PATH_ACTUAL);
+ File[] files = outdir.listFiles();
+ if (files == null || files.length == 0) {
+ //noinspection ResultOfMethodCallIgnored
+ outdir.delete();
+ }
+ }
+
+ @Parameters(name = "MetadataTest {index}: {0}")
+ public static Collection<Object[]> tests() throws Exception {
+ Collection<Object[]> testArgs = new ArrayList<>();
+ TestCaseContext.Builder b = new TestCaseContext.Builder();
+ for (TestCaseContext ctx : b.build(new File(PATH_BASE))) {
+ testArgs.add(new Object[] { ctx });
+ }
+ return testArgs;
+ }
+
+ @Test
+ public void test() throws Exception {
+ testExecutor.executeTest(PATH_ACTUAL, tcCtx, null, false);
+ }
+}
diff --git a/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.1.ddl.sqlpp b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.1.ddl.sqlpp
new file mode 100644
index 0000000..0f4761d
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.1.ddl.sqlpp
@@ -0,0 +1,115 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+DROP DATAVERSE Yelp IF EXISTS;
+DROP DATAVERSE Yelp_A IF EXISTS;
+DROP DATAVERSE Yelp_B IF EXISTS;
+CREATE DATAVERSE Yelp;
+CREATE DATAVERSE Yelp_A;
+CREATE DATAVERSE Yelp_B;
+
+USE Yelp_A;
+CREATE TYPE GenericType
+AS { _id: uuid };
+CREATE DATASET Businesses (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE DATASET Checkins (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE DATASET Friends (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE DATASET Reviews (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE DATASET Tips (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE DATASET Users (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE FUNCTION RelevantBusinesses()
+ { FROM Businesses B
+ WHERE B.stars > 3.5
+ SELECT B.* };
+
+USE Yelp_B;
+CREATE TYPE GenericType
+AS { _id: uuid };
+CREATE DATASET Businesses (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE DATASET Checkins (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE DATASET Friends (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE DATASET Reviews (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE DATASET Tips (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE DATASET Users (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE SYNONYM Yelpers FOR Users;
+
+USE Yelp;
+CREATE GRAPH YelpGraph_1 AS
+VERTEX (:User)
+ PRIMARY KEY (user_id)
+ AS Yelp_B.Yelpers,
+VERTEX (:Review)
+ PRIMARY KEY (review_id)
+ AS ( FROM Yelp_A.Reviews R
+ SELECT VALUE R ),
+VERTEX (:Business)
+ PRIMARY KEY (business_id)
+ AS ( FROM Yelp_A.RelevantBusinesses() B
+ SELECT VALUE B ),
+EDGE (:User)-[:FRIENDS_WITH]->(:User)
+ PRIMARY KEY (user_id, friend)
+ SOURCE KEY (user_id)
+ DESTINATION KEY (friend)
+ AS ( FROM Yelp_B.Users U
+ UNNEST U.friends F
+ SELECT U.user_id, F AS friend ),
+EDGE (:User)-[:FRIENDS_WITH]->(:User)
+ PRIMARY KEY (user_id, friend)
+ SOURCE KEY (user_id)
+ DESTINATION KEY (friend)
+ AS Yelp_B.Friends,
+EDGE (:Review)-[:MADE_BY]->(:User)
+ DESTINATION KEY (user_id),
+EDGE (:Review)-[:ABOUT]->(:Business)
+ DESTINATION KEY (business_id);
+
+CREATE GRAPH YelpGraph_2 IF NOT EXISTS AS
+VERTEX (:Review)
+ PRIMARY KEY (review_id)
+ AS ( FROM Yelp_A.Reviews R
+ SELECT VALUE R ),
+VERTEX (:Business)
+ PRIMARY KEY (business_id)
+ AS ( FROM Yelp_A.RelevantBusinesses() B
+ SELECT VALUE B ),
+EDGE (:Review)-[:ABOUT]->(:Business)
+ DESTINATION KEY (business_id);
+CREATE GRAPH YelpGraph_2 IF NOT EXISTS AS
+VERTEX (:Review)
+ PRIMARY KEY (review_id)
+ AS ( FROM Yelp_A.Reviews R
+ SELECT VALUE R ),
+VERTEX (:Business)
+ PRIMARY KEY (business_id)
+ AS ( FROM Yelp_A.RelevantBusinesses() B
+ SELECT VALUE B ),
+EDGE (:Review)-[:ABOUT]->(:Business)
+ DESTINATION KEY (business_id);
diff --git a/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.2.query.sqlpp b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.2.query.sqlpp
new file mode 100644
index 0000000..b8151af
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.2.query.sqlpp
@@ -0,0 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+FROM `Metadata`.`Graph` G
+SELECT G.DataverseName, G.GraphName, G.Dependencies, G.Vertices, G.Edges
+ORDER BY G.DataverseName, G.GraphName;
diff --git a/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.3.ddl.sqlpp b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.3.ddl.sqlpp
new file mode 100644
index 0000000..ca52d3d
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.3.ddl.sqlpp
@@ -0,0 +1,21 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+DROP GRAPH Yelp.YelpGraph_1 IF EXISTS;
+DROP GRAPH Yelp.YelpGraph_1 IF EXISTS;
diff --git a/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.4.query.sqlpp b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.4.query.sqlpp
new file mode 100644
index 0000000..b8151af
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.4.query.sqlpp
@@ -0,0 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+FROM `Metadata`.`Graph` G
+SELECT G.DataverseName, G.GraphName, G.Dependencies, G.Vertices, G.Edges
+ORDER BY G.DataverseName, G.GraphName;
diff --git a/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.5.ddl.sqlpp b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.5.ddl.sqlpp
new file mode 100644
index 0000000..586a718
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.5.ddl.sqlpp
@@ -0,0 +1,47 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+CREATE OR REPLACE GRAPH Yelp.YelpGraph_2 AS
+VERTEX (:User)
+ PRIMARY KEY (user_id)
+ AS Yelp_B.Yelpers,
+VERTEX (:Review)
+ PRIMARY KEY (review_id)
+ AS ( FROM Yelp_A.Reviews R
+ SELECT VALUE R ),
+VERTEX (:Business)
+ PRIMARY KEY (business_id)
+ AS ( FROM Yelp_A.RelevantBusinesses() B
+ SELECT VALUE B ),
+EDGE (:User)-[:FRIENDS_WITH]->(:User)
+ PRIMARY KEY (user_id, friend)
+ SOURCE KEY (user_id)
+ DESTINATION KEY (friend)
+ AS ( FROM Yelp_B.Users U
+ UNNEST U.friends F
+ SELECT U.user_id, F AS friend ),
+EDGE (:User)-[:FRIENDS_WITH]->(:User)
+ PRIMARY KEY (user_id, friend)
+ SOURCE KEY (user_id)
+ DESTINATION KEY (friend)
+ AS Yelp_B.Friends,
+EDGE (:Review)-[:MADE_BY]->(:User)
+ DESTINATION KEY (user_id),
+EDGE (:Review)-[:ABOUT]->(:Business)
+ DESTINATION KEY (business_id);
diff --git a/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.6.query.sqlpp b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.6.query.sqlpp
new file mode 100644
index 0000000..b8151af
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.6.query.sqlpp
@@ -0,0 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+FROM `Metadata`.`Graph` G
+SELECT G.DataverseName, G.GraphName, G.Dependencies, G.Vertices, G.Edges
+ORDER BY G.DataverseName, G.GraphName;
diff --git a/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.7.ddl.sqlpp b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.7.ddl.sqlpp
new file mode 100644
index 0000000..d846648
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.7.ddl.sqlpp
@@ -0,0 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+DROP DATAVERSE Yelp;
+DROP DATAVERSE Yelp_A;
+DROP DATAVERSE Yelp_B;
\ No newline at end of file
diff --git a/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.8.query.sqlpp b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.8.query.sqlpp
new file mode 100644
index 0000000..9667fd6
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.8.query.sqlpp
@@ -0,0 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+FROM `Metadata`.`Graph` G
+WHERE G.DataverseName IN [ "Yelp", "Yelp_A", "Yelp_B" ]
+SELECT VALUE { "count": COUNT(*) };
diff --git a/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.1.adm b/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.1.adm
new file mode 100644
index 0000000..31c330c
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.1.adm
@@ -0,0 +1,2 @@
+{ "DataverseName": "Yelp", "GraphName": "YelpGraph_1", "Dependencies": [ [ [ "Yelp_A", "Reviews" ], [ "Yelp_B", "Users" ], [ "Yelp_B", "Friends" ] ], [ [ "Yelp_B", "Yelpers" ] ], [ [ "Yelp_A", "RelevantBusinesses", "0" ] ] ], "Vertices": [ { "Label": "User", "PrimaryKey": [ [ "user_id" ] ], "Definitions": [ "Yelp_B.Yelpers" ] }, { "Label": "Review", "PrimaryKey": [ [ "review_id" ] ], "Definitions": [ "( FROM Yelp_A.Reviews R\n SELECT VALUE R )" ] }, { "Label": "Business", "PrimaryKey": [ [ "business_id" ] ], "Definitions": [ "( FROM Yelp_A.RelevantBusinesses() B\n SELECT VALUE B )" ] } ], "Edges": [ { "Label": "FRIENDS_WITH", "DestinationLabel": "User", "SourceLabel": "User", "PrimaryKey": [ [ "user_id" ], [ "friend" ] ], "DestinationKey": [ [ "friend" ] ], "SourceKey": [ [ "user_id" ] ], "Definitions": [ "( FROM Yelp_B.Users U\n UNNEST U.friends F\n SELECT U.user_id, F AS friend )", "Yelp_B.Friends" ] }, { "Label": "MADE_BY", "DestinationLabel": "User", "SourceLabel": "Review", "PrimaryKey": [ [ "review_id" ] ], "DestinationKey": [ [ "user_id" ] ], "SourceKey": [ [ "review_id" ] ], "Definitions": [ "" ] }, { "Label": "ABOUT", "DestinationLabel": "Business", "SourceLabel": "Review", "PrimaryKey": [ [ "review_id" ] ], "DestinationKey": [ [ "business_id" ] ], "SourceKey": [ [ "review_id" ] ], "Definitions": [ "" ] } ] }
+{ "DataverseName": "Yelp", "GraphName": "YelpGraph_2", "Dependencies": [ [ [ "Yelp_A", "Reviews" ] ], [ ], [ [ "Yelp_A", "RelevantBusinesses", "0" ] ] ], "Vertices": [ { "Label": "Review", "PrimaryKey": [ [ "review_id" ] ], "Definitions": [ "( FROM Yelp_A.Reviews R\n SELECT VALUE R )" ] }, { "Label": "Business", "PrimaryKey": [ [ "business_id" ] ], "Definitions": [ "( FROM Yelp_A.RelevantBusinesses() B\n SELECT VALUE B )" ] } ], "Edges": [ { "Label": "ABOUT", "DestinationLabel": "Business", "SourceLabel": "Review", "PrimaryKey": [ [ "review_id" ] ], "DestinationKey": [ [ "business_id" ] ], "SourceKey": [ [ "review_id" ] ], "Definitions": [ "" ] } ] }
\ No newline at end of file
diff --git a/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.2.adm b/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.2.adm
new file mode 100644
index 0000000..a749b72
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.2.adm
@@ -0,0 +1 @@
+{ "DataverseName": "Yelp", "GraphName": "YelpGraph_2", "Dependencies": [ [ [ "Yelp_A", "Reviews" ] ], [ ], [ [ "Yelp_A", "RelevantBusinesses", "0" ] ] ], "Vertices": [ { "Label": "Review", "PrimaryKey": [ [ "review_id" ] ], "Definitions": [ "( FROM Yelp_A.Reviews R\n SELECT VALUE R )" ] }, { "Label": "Business", "PrimaryKey": [ [ "business_id" ] ], "Definitions": [ "( FROM Yelp_A.RelevantBusinesses() B\n SELECT VALUE B )" ] } ], "Edges": [ { "Label": "ABOUT", "DestinationLabel": "Business", "SourceLabel": "Review", "PrimaryKey": [ [ "review_id" ] ], "DestinationKey": [ [ "business_id" ] ], "SourceKey": [ [ "review_id" ] ], "Definitions": [ "" ] } ] }
diff --git a/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.3.adm b/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.3.adm
new file mode 100644
index 0000000..80af6cb
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.3.adm
@@ -0,0 +1 @@
+{ "DataverseName": "Yelp", "GraphName": "YelpGraph_2", "Dependencies": [ [ [ "Yelp_A", "Reviews" ], [ "Yelp_B", "Users" ], [ "Yelp_B", "Friends" ] ], [ [ "Yelp_B", "Yelpers" ] ], [ [ "Yelp_A", "RelevantBusinesses", "0" ] ] ], "Vertices": [ { "Label": "User", "PrimaryKey": [ [ "user_id" ] ], "Definitions": [ "Yelp_B.Yelpers" ] }, { "Label": "Review", "PrimaryKey": [ [ "review_id" ] ], "Definitions": [ "( FROM Yelp_A.Reviews R\n SELECT VALUE R )" ] }, { "Label": "Business", "PrimaryKey": [ [ "business_id" ] ], "Definitions": [ "( FROM Yelp_A.RelevantBusinesses() B\n SELECT VALUE B )" ] } ], "Edges": [ { "Label": "FRIENDS_WITH", "DestinationLabel": "User", "SourceLabel": "User", "PrimaryKey": [ [ "user_id" ], [ "friend" ] ], "DestinationKey": [ [ "friend" ] ], "SourceKey": [ [ "user_id" ] ], "Definitions": [ "( FROM Yelp_B.Users U\n UNNEST U.friends F\n SELECT U.user_id, F AS friend )", "Yelp_B.Friends" ] }, { "Label": "MADE_BY", "DestinationLabel": "User", "SourceLabel": "Review", "PrimaryKey": [ [ "review_id" ] ], "DestinationKey": [ [ "user_id" ] ], "SourceKey": [ [ "review_id" ] ], "Definitions": [ "" ] }, { "Label": "ABOUT", "DestinationLabel": "Business", "SourceLabel": "Review", "PrimaryKey": [ [ "review_id" ] ], "DestinationKey": [ [ "business_id" ] ], "SourceKey": [ [ "review_id" ] ], "Definitions": [ "" ] } ] }
diff --git a/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.4.adm b/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.4.adm
new file mode 100644
index 0000000..c1a0ea2
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.4.adm
@@ -0,0 +1 @@
+{ "count": 0 }
\ No newline at end of file
diff --git a/asterix-graphix/src/test/resources/metadata/testsuite.xml b/asterix-graphix/src/test/resources/metadata/testsuite.xml
new file mode 100644
index 0000000..2f45b91
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/testsuite.xml
@@ -0,0 +1,28 @@
+<!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<test-suite xmlns="urn:xml.testframework.asterix.apache.org"
+ ResultOffsetPath="results"
+ QueryOffsetPath="queries"
+ QueryFileExtension=".sqlpp">
+ <test-group name="yelp-example">
+ <test-case FilePath="graphix">
+ <compilation-unit name="yelp-example">
+ <output-dir compare="Text">yelp-example</output-dir>
+ </compilation-unit>
+ </test-case>
+ </test-group>
+</test-suite>
diff --git a/asterix-graphix/src/test/resources/runtimets/only.xml b/asterix-graphix/src/test/resources/runtimets/only.xml
new file mode 100644
index 0000000..9cb8228
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/only.xml
@@ -0,0 +1,25 @@
+<!--
+ ! Licensed to the Apache Software Foundation (ASF) under one
+ ! or more contributor license agreements. See the NOTICE file
+ ! distributed with this work for additional information
+ ! regarding copyright ownership. The ASF licenses this file
+ ! to you under the Apache License, Version 2.0 (the
+ ! "License"); you may not use this file except in compliance
+ ! with the License. You may obtain a copy of the License at
+ !
+ ! http://www.apache.org/licenses/LICENSE-2.0
+ !
+ ! Unless required by applicable law or agreed to in writing,
+ ! software distributed under the License is distributed on an
+ ! "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ! KIND, either express or implied. See the License for the
+ ! specific language governing permissions and limitations
+ ! under the License.
+ !-->
+<test-suite xmlns="urn:xml.testframework.asterix.apache.org"
+ ResultOffsetPath="results"
+ QueryOffsetPath="queries"
+ QueryFileExtension=".sqlpp">
+ <test-group name="failed">
+ </test-group>
+</test-suite>
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.1.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.1.ddl.sqlpp
new file mode 100644
index 0000000..ff47a77
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.1.ddl.sqlpp
@@ -0,0 +1,42 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that a dataset that a graph is dependent on cannot be dropped.
+
+DROP DATAVERSE TestDataverse IF EXISTS;
+CREATE DATAVERSE TestDataverse;
+USE TestDataverse;
+
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex2)
+ DESTINATION KEY (_foreign_id);
+
+DROP DATASET GenericDataset;
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.10.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.10.ddl.sqlpp
new file mode 100644
index 0000000..fe00035
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.10.ddl.sqlpp
@@ -0,0 +1,71 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that we cannot create a graph in the same dataverse with the same name.
+
+DROP DATAVERSE TestDataverse1 IF EXISTS;
+DROP DATAVERSE TestDataverse2 IF EXISTS;
+CREATE DATAVERSE TestDataverse1;
+CREATE DATAVERSE TestDataverse2;
+
+USE TestDataverse1;
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex2)
+ DESTINATION KEY (_foreign_id);
+
+USE TestDataverse2;
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex2)
+ DESTINATION KEY (_foreign_id);
+
+USE TestDataverse1;
+CREATE GRAPH TestGraph IF NOT EXISTS AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset;
+
+USE TestDataverse2;
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset;
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.11.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.11.ddl.sqlpp
new file mode 100644
index 0000000..ff0f01e
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.11.ddl.sqlpp
@@ -0,0 +1,43 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that we cannot drop a graph that doesn't exist.
+
+DROP DATAVERSE TestDataverse IF EXISTS;
+CREATE DATAVERSE TestDataverse;
+USE TestDataverse;
+
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex2)
+ DESTINATION KEY (_foreign_id);
+
+DROP GRAPH GraphThatDoesntExist1 IF EXISTS;
+DROP GRAPH GraphThatDoesntExist2;
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.2.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.2.ddl.sqlpp
new file mode 100644
index 0000000..09693af
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.2.ddl.sqlpp
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that a function that a graph is dependent on cannot be dropped.
+
+DROP DATAVERSE TestDataverse IF EXISTS;
+CREATE DATAVERSE TestDataverse;
+USE TestDataverse;
+
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE FUNCTION TestFunction () { SELECT VALUE { "a": 1, "b": 1 } };
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex2)
+ PRIMARY KEY (a, b)
+ SOURCE KEY (a)
+ DESTINATION KEY (b)
+ AS ( FROM TestFunction() T
+ SELECT T.* );
+
+DROP FUNCTION TestFunction();
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.3.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.3.ddl.sqlpp
new file mode 100644
index 0000000..a812ea1
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.3.ddl.sqlpp
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that a view that a graph is dependent on cannot be dropped.
+
+DROP DATAVERSE TestDataverse IF EXISTS;
+CREATE DATAVERSE TestDataverse;
+USE TestDataverse;
+
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE VIEW TestView AS SELECT VALUE { "a": 1, "b": 1 };
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex2)
+ PRIMARY KEY (a, b)
+ SOURCE KEY (a)
+ DESTINATION KEY (b)
+ AS ( FROM TestView T
+ SELECT T.* );
+
+DROP VIEW TestView;
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.4.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.4.ddl.sqlpp
new file mode 100644
index 0000000..0cdec73
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.4.ddl.sqlpp
@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that a synonym that a graph is dependent on cannot be dropped.
+
+DROP DATAVERSE TestDataverse IF EXISTS;
+CREATE DATAVERSE TestDataverse;
+USE TestDataverse;
+
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE SYNONYM DatasetSynonym FOR GenericDataset;
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS DatasetSynonym,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex2)
+ DESTINATION KEY (_foreign_id);
+
+DROP SYNONYM DatasetSynonym;
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.5.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.5.ddl.sqlpp
new file mode 100644
index 0000000..844389f
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.5.ddl.sqlpp
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that a dataverse that a graph is dependent on cannot be dropped.
+
+DROP DATAVERSE TestDataverse IF EXISTS;
+DROP DATAVERSE TestDataverse2 IF EXISTS;
+CREATE DATAVERSE TestDataverse;
+CREATE DATAVERSE TestDataverse2;
+
+USE TestDataverse;
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+USE TestDataverse2;
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+USE TestDataverse;
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+USE TestDataverse2;
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+USE TestDataverse;
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS TestDataverse2.GenericDataset,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex2)
+ DESTINATION KEY (_foreign_id);
+
+DROP DATAVERSE TestDataverse2;
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.6.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.6.ddl.sqlpp
new file mode 100644
index 0000000..f6173aa
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.6.ddl.sqlpp
@@ -0,0 +1,40 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that a dataset variable as an element definition is a valid dataset.
+
+DROP DATAVERSE TestDataverse IF EXISTS;
+CREATE DATAVERSE TestDataverse;
+USE TestDataverse;
+
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS DatasetThatDoesNotExist,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex2)
+ DESTINATION KEY (_foreign_id);
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.7.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.7.ddl.sqlpp
new file mode 100644
index 0000000..5191339
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.7.ddl.sqlpp
@@ -0,0 +1,45 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that a subquery as an element definition is a valid query.
+
+DROP DATAVERSE TestDataverse IF EXISTS;
+CREATE DATAVERSE TestDataverse;
+USE TestDataverse;
+
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex2)
+ PRIMARY KEY (_id, _foreign_id)
+ SOURCE KEY (_id)
+ DESTINATION KEY (_foreign_id)
+ AS ( FROM GenericDataset G,
+ GenericDataset G2
+ SELECT V );
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.8.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.8.ddl.sqlpp
new file mode 100644
index 0000000..eb0fa47
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.8.ddl.sqlpp
@@ -0,0 +1,39 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that vertices w/ the same label cannot have conflicting primary keys.
+
+DROP DATAVERSE TestDataverse IF EXISTS;
+CREATE DATAVERSE TestDataverse;
+USE TestDataverse;
+
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex1)
+ PRIMARY KEY (_other_id)
+ AS ( FROM GenericDataset
+ SELECT VALUE { "_other_id": _other_id } );
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.9.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.9.ddl.sqlpp
new file mode 100644
index 0000000..7c5269e
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.9.ddl.sqlpp
@@ -0,0 +1,40 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that edges do not reference a vertex label that does not exist.
+
+DROP DATAVERSE TestDataverse IF EXISTS;
+CREATE DATAVERSE TestDataverse;
+USE TestDataverse;
+
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex3)
+ DESTINATION KEY (_foreign_id);
diff --git a/asterix-graphix/src/test/resources/runtimets/testsuite.xml b/asterix-graphix/src/test/resources/runtimets/testsuite.xml
new file mode 100644
index 0000000..ea6db85
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/testsuite.xml
@@ -0,0 +1,41 @@
+<!--
+ ! Licensed to the Apache Software Foundation (ASF) under one
+ ! or more contributor license agreements. See the NOTICE file
+ ! distributed with this work for additional information
+ ! regarding copyright ownership. The ASF licenses this file
+ ! to you under the Apache License, Version 2.0 (the
+ ! "License"); you may not use this file except in compliance
+ ! with the License. You may obtain a copy of the License at
+ !
+ ! http://www.apache.org/licenses/LICENSE-2.0
+ !
+ ! Unless required by applicable law or agreed to in writing,
+ ! software distributed under the License is distributed on an
+ ! "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ! KIND, either express or implied. See the License for the
+ ! specific language governing permissions and limitations
+ ! under the License.
+ !-->
+<test-suite xmlns="urn:xml.testframework.asterix.apache.org"
+ ResultOffsetPath="results"
+ QueryOffsetPath="queries"
+ QueryFileExtension=".sqlpp">
+ <test-group name="error-handling">
+ <test-case FilePath="graphix">
+ <compilation-unit name="error-handling">
+ <output-dir compare="Text">error-handling</output-dir>
+ <expected-error>Cannot drop dataset (or view) TestDataverse.GenericDataset being used by graph TestGraph</expected-error>
+ <expected-error>Cannot drop function TestDataverse.TestFunction() being used by graph TestGraph</expected-error>
+ <expected-error>Cannot drop dataset (or view) TestDataverse.TestView being used by graph TestGraph</expected-error>
+ <expected-error>Cannot drop synonym TestDataverse.DatasetSynonym being used by graph TestGraph</expected-error>
+ <expected-error>Cannot drop dataverse: dataset (or view) TestDataverse2.GenericDataset being used by graph TestGraph</expected-error>
+ <expected-error>Bad definition for a graph element(.)*Cannot find dataset DatasetThatDoesNotExist in dataverse TestDataverse nor an alias with name DatasetThatDoesNotExist</expected-error>
+ <expected-error>Bad definition for a graph element(.)*Cannot resolve ambiguous alias reference for identifier V</expected-error>
+ <expected-error>Conflicting primary keys for vertices with label Vertex1</expected-error>
+ <expected-error>Destination vertex Vertex3 not found in the edge EDGE_1.</expected-error>
+ <expected-error>Graph TestGraph already exists.</expected-error>
+ <expected-error>Graph GraphThatDoesntExist2 does not exist.</expected-error>
+ </compilation-unit>
+ </test-case>
+ </test-group>
+</test-suite>
\ No newline at end of file
diff --git a/asterix-opt-bom/pom.xml b/asterix-opt-bom/pom.xml
new file mode 100644
index 0000000..090c1c4
--- /dev/null
+++ b/asterix-opt-bom/pom.xml
@@ -0,0 +1,42 @@
+<!--
+ ! Licensed to the Apache Software Foundation (ASF) under one
+ ! or more contributor license agreements. See the NOTICE file
+ ! distributed with this work for additional information
+ ! regarding copyright ownership. The ASF licenses this file
+ ! to you under the Apache License, Version 2.0 (the
+ ! "License"); you may not use this file except in compliance
+ ! with the License. You may obtain a copy of the License at
+ !
+ ! http://www.apache.org/licenses/LICENSE-2.0
+ !
+ ! Unless required by applicable law or agreed to in writing,
+ ! software distributed under the License is distributed on an
+ ! "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ! KIND, either express or implied. See the License for the
+ ! specific language governing permissions and limitations
+ ! under the License.
+ !-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+ <groupId>org.apache.asterix.graphix</groupId>
+ <artifactId>asterix-opt</artifactId>
+ <version>0.1.0-SNAPSHOT</version>
+ </parent>
+
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-opt-bom</artifactId>
+ <version>0.9.7-SNAPSHOT</version>
+ <packaging>pom</packaging>
+ <name>asterix-opt-bom</name>
+ <description>Graphix (Graph Extension to AsterixDB)</description>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.apache.asterix.graphix</groupId>
+ <artifactId>asterix-graphix</artifactId>
+ <version>0.1.0-SNAPSHOT</version>
+ </dependency>
+ </dependencies>
+</project>
diff --git a/pom.xml b/pom.xml
new file mode 100644
index 0000000..c5b0b51
--- /dev/null
+++ b/pom.xml
@@ -0,0 +1,37 @@
+<!--
+ ! Licensed to the Apache Software Foundation (ASF) under one
+ ! or more contributor license agreements. See the NOTICE file
+ ! distributed with this work for additional information
+ ! regarding copyright ownership. The ASF licenses this file
+ ! to you under the Apache License, Version 2.0 (the
+ ! "License"); you may not use this file except in compliance
+ ! with the License. You may obtain a copy of the License at
+ !
+ ! http://www.apache.org/licenses/LICENSE-2.0
+ !
+ ! Unless required by applicable law or agreed to in writing,
+ ! software distributed under the License is distributed on an
+ ! "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ! KIND, either express or implied. See the License for the
+ ! specific language governing permissions and limitations
+ ! under the License.
+ !-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+ <groupId>org.apache.asterix.graphix</groupId>
+ <artifactId>asterix-opt</artifactId>
+ <version>0.1.0-SNAPSHOT</version>
+ <packaging>pom</packaging>
+
+ <parent>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>apache-asterixdb</artifactId>
+ <version>0.9.7-SNAPSHOT</version>
+ </parent>
+
+ <modules>
+ <module>asterix-graphix</module>
+ <module>asterix-opt-bom</module>
+ </modules>
+</project>
--
To view, visit https://asterix-gerrit.ics.uci.edu/c/asterixdb-graph/+/14644
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Gerrit-Project: asterixdb-graph
Gerrit-Branch: master
Gerrit-Change-Id: Ibaf4dc7066b85d8ea3b58c6b90fd83af3a700506
Gerrit-Change-Number: 14644
Gerrit-PatchSet: 3
Gerrit-Owner: Glenn Galvizo <gg...@uci.edu>
Gerrit-Reviewer: Glenn Galvizo <gg...@uci.edu>
Gerrit-Reviewer: Ian Maxon <im...@uci.edu>
Gerrit-Reviewer: Jenkins <je...@fulliautomatix.ics.uci.edu>
Gerrit-MessageType: merged
Change in asterixdb-graph[master]: [ASTERIXDB-2979][MTD][GRAPH] Implement CREATE / DROP GRAPH
Posted by AsterixDB Code Review <do...@asterix-gerrit.ics.uci.edu>.
From Glenn Galvizo <gg...@uci.edu>:
Glenn Galvizo has uploaded this change for review. ( https://asterix-gerrit.ics.uci.edu/c/asterixdb-graph/+/14644 )
Change subject: [ASTERIXDB-2979][MTD][GRAPH] Implement CREATE / DROP GRAPH
......................................................................
[ASTERIXDB-2979][MTD][GRAPH] Implement CREATE / DROP GRAPH
Initial commit. This supports CREATE GRAPH, DROP GRAPH, and prevents
dropping views / functions / datasets / synonyms / dataverses that a
graph depends on.
Change-Id: Ibaf4dc7066b85d8ea3b58c6b90fd83af3a700506
---
A .gitignore
A asterix-graphix/pom.xml
A asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/compiler/provider/GraphixCompilationProvider.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/compiler/provider/GraphixRuleSetFactory.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/translator/GraphixExpressionToPlanTranslator.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/translator/GraphixExpressionToPlanTranslatorFactory.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/app/translator/GraphixQueryTranslator.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/app/translator/GraphixQueryTranslatorFactory.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/common/metadata/GraphElementIdentifier.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/common/metadata/GraphIdentifier.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixLangExtension.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixMetadataExtension.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixQueryTranslatorExtension.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/expression/GraphConstructor.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/expression/GraphElementExpr.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/parser/GraphElementBodyParser.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/parser/GraphixParserFactory.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixQueryRewriter.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixRewriterFactory.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixRewritingContext.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/visitor/IGraphixLangVisitor.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/CreateGraphStatement.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/GraphDropStatement.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/GraphElementDecl.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/util/GraphStatementHandlingUtil.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/bootstrap/GraphixMetadataIndexes.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/bootstrap/GraphixMetadataRecordTypes.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entities/Graph.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entities/GraphDependencies.java
A asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entitytupletranslators/GraphTupleTranslator.java
A asterix-graphix/src/main/resources/cc.conf
A asterix-graphix/src/main/resources/lang-extension/lang.txt
A asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixExecutionTest.java
A asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixIntegrationUtil.java
A asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixMetadataTest.java
A asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.1.ddl.sqlpp
A asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.2.query.sqlpp
A asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.3.ddl.sqlpp
A asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.4.query.sqlpp
A asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.5.ddl.sqlpp
A asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.6.query.sqlpp
A asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.7.ddl.sqlpp
A asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.8.query.sqlpp
A asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.1.adm
A asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.2.adm
A asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.3.adm
A asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.4.adm
A asterix-graphix/src/test/resources/metadata/testsuite.xml
A asterix-graphix/src/test/resources/runtimets/only.xml
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.1.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.10.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.11.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.2.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.3.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.4.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.5.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.6.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.7.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.8.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.9.ddl.sqlpp
A asterix-graphix/src/test/resources/runtimets/testsuite.xml
A asterix-opt-bom/pom.xml
A pom.xml
63 files changed, 4,923 insertions(+), 0 deletions(-)
git pull ssh://asterix-gerrit.ics.uci.edu:29418/asterixdb-graph refs/changes/44/14644/1
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..a546fd6
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,12 @@
+opttest
+target
+build
+
+.classpath
+.settings
+.project
+.idea
+.DS_Store
+
+*.swp
+*.iml
\ No newline at end of file
diff --git a/asterix-graphix/pom.xml b/asterix-graphix/pom.xml
new file mode 100644
index 0000000..527a593
--- /dev/null
+++ b/asterix-graphix/pom.xml
@@ -0,0 +1,261 @@
+<!--
+ ! Licensed to the Apache Software Foundation (ASF) under one
+ ! or more contributor license agreements. See the NOTICE file
+ ! distributed with this work for additional information
+ ! regarding copyright ownership. The ASF licenses this file
+ ! to you under the Apache License, Version 2.0 (the
+ ! "License"); you may not use this file except in compliance
+ ! with the License. You may obtain a copy of the License at
+ !
+ ! http://www.apache.org/licenses/LICENSE-2.0
+ !
+ ! Unless required by applicable law or agreed to in writing,
+ ! software distributed under the License is distributed on an
+ ! "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ! KIND, either express or implied. See the License for the
+ ! specific language governing permissions and limitations
+ ! under the License.
+ !-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+ <groupId>org.apache.asterix.graphix</groupId>
+ <artifactId>asterix-opt</artifactId>
+ <version>0.1.0-SNAPSHOT</version>
+ </parent>
+
+ <artifactId>asterix-graphix</artifactId>
+ <properties>
+ <asterix.version>0.9.7-SNAPSHOT</asterix.version>
+ <hyracks.version>0.3.7-SNAPSHOT</hyracks.version>
+ </properties>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-grammar-extension-maven-plugin</artifactId>
+ <version>${asterix.version}</version>
+ <configuration>
+ <base>${project.basedir}</base>
+ <gbase>../../asterix-lang-sqlpp/src/main/javacc/SQLPP.jj</gbase>
+ <gextension>src/main/resources/lang-extension/lang.txt</gextension>
+ <output>target/generated-resources/javacc/grammar.jj</output>
+ <parserClassName>GraphixParser</parserClassName>
+ <packageName>org.apache.asterix.graphix.lang.parser</packageName>
+ </configuration>
+ <executions>
+ <execution>
+ <phase>generate-sources</phase>
+ <goals>
+ <goal>grammarix</goal>
+ </goals>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <groupId>org.codehaus.mojo</groupId>
+ <artifactId>javacc-maven-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>javacc</id>
+ <goals>
+ <goal>javacc</goal>
+ </goals>
+ <configuration>
+ <isStatic>false</isStatic>
+ <javaUnicodeEscape>true</javaUnicodeEscape>
+ <sourceDirectory>target/generated-resources/javacc</sourceDirectory>
+ </configuration>
+ </execution>
+ <execution>
+ <id>javacc-jjdoc</id>
+ <goals>
+ <goal>jjdoc</goal>
+ </goals>
+ <phase>process-sources</phase>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <groupId>org.codehaus.mojo</groupId>
+ <artifactId>build-helper-maven-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>add-source</id>
+ <phase>generate-sources</phase>
+ <goals>
+ <goal>add-source</goal>
+ </goals>
+ <configuration>
+ <sources>
+ <source>${project.build.directory}/generated-sources/javacc/</source>
+ </sources>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.rat</groupId>
+ <artifactId>apache-rat-plugin</artifactId>
+ <configuration>
+ <excludes combine.children="append">
+ <exclude>src/test/resources/**/results/**</exclude>
+ <exclude>data/**</exclude>
+ </excludes>
+ </configuration>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-dependency-plugin</artifactId>
+ <configuration>
+ <usedDependencies>
+ <usedDependency>org.apache.hadoop:hadoop-minicluster</usedDependency>
+ <usedDependency>org.apache.asterix:asterix-fuzzyjoin</usedDependency>
+ </usedDependencies>
+ <ignoredUnusedDeclaredDependencies>
+ <ignoredUnusedDeclaredDependency>org.apache.asterix:asterix-common</ignoredUnusedDeclaredDependency>
+ </ignoredUnusedDeclaredDependencies>
+ </configuration>
+ </plugin>
+ <plugin>
+ <groupId>net.revelc.code.formatter</groupId>
+ <artifactId>formatter-maven-plugin</artifactId>
+ <executions>
+ <execution>
+ <goals>
+ <goal>${source-format.goal}</goal>
+ </goals>
+ </execution>
+ </executions>
+ <configuration>
+ <configFile>../../../hyracks-fullstack/AsterixCodeFormatProfile.xml</configFile>
+ <skipFormatting>${source-format.skip}</skipFormatting>
+ </configuration>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-compiler-plugin</artifactId>
+ <configuration>
+ <source>9</source>
+ <target>9</target>
+ </configuration>
+ </plugin>
+ </plugins>
+
+ <pluginManagement>
+ <plugins>
+ <!--This plugin's configuration is used to store Eclipse m2e settings only. It has no influence on the Maven build itself.-->
+ <plugin>
+ <groupId>org.eclipse.m2e</groupId>
+ <artifactId>lifecycle-mapping</artifactId>
+ <version>1.0.0</version>
+ <configuration>
+ <lifecycleMappingMetadata>
+ <pluginExecutions>
+ <pluginExecution>
+ <pluginExecutionFilter>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-grammar-extension-maven-plugin</artifactId>
+ <versionRange>[${asterix.version},)</versionRange>
+ <goals>
+ <goal>grammarix</goal>
+ </goals>
+ </pluginExecutionFilter>
+ <action>
+ <ignore></ignore>
+ </action>
+ </pluginExecution>
+ <pluginExecution>
+ <pluginExecutionFilter>
+ <groupId>org.codehaus.mojo</groupId>
+ <artifactId>javacc-maven-plugin</artifactId>
+ <versionRange>[2.6,)</versionRange>
+ <goals>
+ <goal>javacc</goal>
+ </goals>
+ </pluginExecutionFilter>
+ <action>
+ <ignore></ignore>
+ </action>
+ </pluginExecution>
+ </pluginExecutions>
+ </lifecycleMappingMetadata>
+ </configuration>
+ </plugin>
+ </plugins>
+ </pluginManagement>
+ </build>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-om</artifactId>
+ <version>${asterix.version}</version>
+ <type>jar</type>
+ <scope>compile</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-runtime</artifactId>
+ <version>${asterix.version}</version>
+ <type>jar</type>
+ <scope>compile</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-common</artifactId>
+ <version>${asterix.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-algebra</artifactId>
+ <version>${asterix.version}</version>
+ <scope>compile</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-metadata</artifactId>
+ <version>${asterix.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-app</artifactId>
+ <version>${asterix.version}</version>
+ <type>jar</type>
+ <scope>compile</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-app</artifactId>
+ <version>${asterix.version}</version>
+ <type>test-jar</type>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-test-framework</artifactId>
+ <version>0.9.7-SNAPSHOT</version>
+ <scope>test</scope>
+ </dependency>
+
+ <dependency>
+ <groupId>org.apache.hyracks</groupId>
+ <artifactId>algebricks-compiler</artifactId>
+ <version>${hyracks.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.hyracks</groupId>
+ <artifactId>hyracks-test-support</artifactId>
+ <version>${hyracks.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.hyracks</groupId>
+ <artifactId>hyracks-storage-am-lsm-btree-test</artifactId>
+ <version>${hyracks.version}</version>
+ <type>test-jar</type>
+ <scope>test</scope>
+ </dependency>
+ </dependencies>
+</project>
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/compiler/provider/GraphixCompilationProvider.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/compiler/provider/GraphixCompilationProvider.java
new file mode 100644
index 0000000..13d8c48
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/compiler/provider/GraphixCompilationProvider.java
@@ -0,0 +1,50 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.algebra.compiler.provider;
+
+import org.apache.asterix.algebra.base.ILangExpressionToPlanTranslatorFactory;
+import org.apache.asterix.compiler.provider.IRuleSetFactory;
+import org.apache.asterix.compiler.provider.SqlppCompilationProvider;
+import org.apache.asterix.graphix.algebra.translator.GraphixExpressionToPlanTranslatorFactory;
+import org.apache.asterix.graphix.lang.parser.GraphixParserFactory;
+import org.apache.asterix.graphix.lang.rewrites.GraphixRewriterFactory;
+import org.apache.asterix.lang.common.base.IParserFactory;
+import org.apache.asterix.lang.common.base.IRewriterFactory;
+
+public class GraphixCompilationProvider extends SqlppCompilationProvider {
+ @Override
+ public IParserFactory getParserFactory() {
+ return new GraphixParserFactory();
+ }
+
+ @Override
+ public IRuleSetFactory getRuleSetFactory() {
+ return new GraphixRuleSetFactory();
+ }
+
+ @Override
+ public IRewriterFactory getRewriterFactory() {
+ return new GraphixRewriterFactory(getParserFactory());
+ }
+
+ @Override
+ public ILangExpressionToPlanTranslatorFactory getExpressionToPlanTranslatorFactory() {
+ return new GraphixExpressionToPlanTranslatorFactory();
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/compiler/provider/GraphixRuleSetFactory.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/compiler/provider/GraphixRuleSetFactory.java
new file mode 100644
index 0000000..d37661c
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/compiler/provider/GraphixRuleSetFactory.java
@@ -0,0 +1,42 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.algebra.compiler.provider;
+
+import java.util.List;
+
+import org.apache.asterix.common.dataflow.ICcApplicationContext;
+import org.apache.asterix.compiler.provider.DefaultRuleSetFactory;
+import org.apache.asterix.compiler.provider.IRuleSetFactory;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.rewriter.base.AbstractRuleController;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+
+public class GraphixRuleSetFactory implements IRuleSetFactory {
+ @Override
+ public List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> getLogicalRewrites(
+ ICcApplicationContext appCtx) {
+ return DefaultRuleSetFactory.buildLogical(appCtx);
+ }
+
+ @Override
+ public List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> getPhysicalRewrites(
+ ICcApplicationContext appCtx) {
+ return DefaultRuleSetFactory.buildPhysical(appCtx);
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/translator/GraphixExpressionToPlanTranslator.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/translator/GraphixExpressionToPlanTranslator.java
new file mode 100644
index 0000000..12a7f39
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/translator/GraphixExpressionToPlanTranslator.java
@@ -0,0 +1,32 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.algebra.translator;
+
+import java.util.Map;
+
+import org.apache.asterix.lang.common.struct.VarIdentifier;
+import org.apache.asterix.metadata.declared.MetadataProvider;
+import org.apache.asterix.om.base.IAObject;
+import org.apache.asterix.translator.SqlppExpressionToPlanTranslator;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+
+public class GraphixExpressionToPlanTranslator extends SqlppExpressionToPlanTranslator {
+ public GraphixExpressionToPlanTranslator(MetadataProvider metadataProvider, int currentVarCounter,
+ Map<VarIdentifier, IAObject> externalVars) throws AlgebricksException {
+ super(metadataProvider, currentVarCounter, externalVars);
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/translator/GraphixExpressionToPlanTranslatorFactory.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/translator/GraphixExpressionToPlanTranslatorFactory.java
new file mode 100644
index 0000000..c119e4d
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/algebra/translator/GraphixExpressionToPlanTranslatorFactory.java
@@ -0,0 +1,34 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.algebra.translator;
+
+import java.util.Map;
+
+import org.apache.asterix.algebra.base.ILangExpressionToPlanTranslator;
+import org.apache.asterix.algebra.base.ILangExpressionToPlanTranslatorFactory;
+import org.apache.asterix.lang.common.struct.VarIdentifier;
+import org.apache.asterix.metadata.declared.MetadataProvider;
+import org.apache.asterix.om.base.IAObject;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+
+public class GraphixExpressionToPlanTranslatorFactory implements ILangExpressionToPlanTranslatorFactory {
+ @Override
+ public ILangExpressionToPlanTranslator createExpressionToPlanTranslator(MetadataProvider metadataProvider,
+ int currentVarCounter, Map<VarIdentifier, IAObject> externalVars) throws AlgebricksException {
+ return new GraphixExpressionToPlanTranslator(metadataProvider, currentVarCounter, externalVars);
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/app/translator/GraphixQueryTranslator.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/app/translator/GraphixQueryTranslator.java
new file mode 100644
index 0000000..59889a3
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/app/translator/GraphixQueryTranslator.java
@@ -0,0 +1,219 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.app.translator;
+
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+import java.util.concurrent.ExecutorService;
+import java.util.function.Function;
+
+import org.apache.asterix.app.translator.QueryTranslator;
+import org.apache.asterix.common.api.IResponsePrinter;
+import org.apache.asterix.common.dataflow.ICcApplicationContext;
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.common.exceptions.ErrorCode;
+import org.apache.asterix.common.functions.FunctionSignature;
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.compiler.provider.ILangCompilationProvider;
+import org.apache.asterix.graphix.extension.GraphixMetadataExtension;
+import org.apache.asterix.graphix.lang.expression.GraphElementExpr;
+import org.apache.asterix.graphix.lang.rewrites.GraphixQueryRewriter;
+import org.apache.asterix.graphix.lang.rewrites.GraphixRewritingContext;
+import org.apache.asterix.graphix.lang.statement.GraphDropStatement;
+import org.apache.asterix.graphix.lang.statement.GraphElementDecl;
+import org.apache.asterix.graphix.metadata.entities.Graph;
+import org.apache.asterix.lang.common.base.Statement;
+import org.apache.asterix.lang.common.statement.DataverseDropStatement;
+import org.apache.asterix.lang.common.statement.DropDatasetStatement;
+import org.apache.asterix.lang.common.statement.FunctionDropStatement;
+import org.apache.asterix.lang.common.statement.Query;
+import org.apache.asterix.lang.common.statement.SynonymDropStatement;
+import org.apache.asterix.lang.common.statement.ViewDropStatement;
+import org.apache.asterix.lang.common.struct.Identifier;
+import org.apache.asterix.lang.common.util.ExpressionUtils;
+import org.apache.asterix.metadata.MetadataManager;
+import org.apache.asterix.metadata.MetadataTransactionContext;
+import org.apache.asterix.metadata.declared.MetadataProvider;
+import org.apache.asterix.metadata.entities.DependencyKind;
+import org.apache.asterix.translator.IRequestParameters;
+import org.apache.asterix.translator.SessionOutput;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.common.utils.Triple;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+
+public class GraphixQueryTranslator extends QueryTranslator {
+ public GraphixQueryTranslator(ICcApplicationContext appCtx, List<Statement> statements, SessionOutput output,
+ ILangCompilationProvider compilationProvider, ExecutorService executorService,
+ IResponsePrinter responsePrinter) {
+ super(appCtx, statements, output, compilationProvider, executorService, responsePrinter);
+ }
+
+ public GraphixQueryRewriter getQueryRewriter() {
+ return (GraphixQueryRewriter) rewriterFactory.createQueryRewriter();
+ }
+
+ public void setGraphElementNormalizedBody(MetadataProvider metadataProvider, GraphElementDecl graphElementDecl,
+ GraphixQueryRewriter queryRewriter) throws CompilationException {
+ // Create a query AST for our rewriter to walk through.
+ GraphElementExpr functionCall = new GraphElementExpr(graphElementDecl.getIdentifier());
+ Query query = ExpressionUtils.createWrappedQuery(functionCall, graphElementDecl.getSourceLocation());
+
+ // We call our rewriter to set the normalized bodies of {@code graphElementDecl}.
+ GraphixRewritingContext graphixRewritingContext =
+ new GraphixRewritingContext(metadataProvider, declaredFunctions, null,
+ Collections.singletonList(graphElementDecl), warningCollector, query.getVarCounter());
+ queryRewriter.loadNormalizedGraphElements(graphixRewritingContext, query);
+ }
+
+ @Override
+ protected void handleDropSynonymStatement(MetadataProvider metadataProvider, Statement stmt) throws Exception {
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+
+ // Forbid dropping the synonym if any graphs depend on this synonym.
+ DataverseName workingDataverse = getActiveDataverseName(((SynonymDropStatement) stmt).getDataverseName());
+ String synonymName = ((SynonymDropStatement) stmt).getSynonymName();
+ throwErrorIfDependentExists(mdTxnCtx, workingDataverse,
+ (dependency) -> dependency.first == DependencyKind.SYNONYM
+ && dependency.second.second.equals(synonymName));
+
+ // Finish this transaction and perform the remainder of the DROP SYNONYM statement.
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ super.handleDropSynonymStatement(metadataProvider, stmt);
+ }
+
+ @Override
+ protected void handleFunctionDropStatement(MetadataProvider metadataProvider, Statement stmt,
+ IRequestParameters requestParameters) throws Exception {
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+
+ // Forbid dropping the function if any graphs depend on this function.
+ FunctionSignature functionSignature = ((FunctionDropStatement) stmt).getFunctionSignature();
+ DataverseName workingDataverse = getActiveDataverseName(functionSignature.getDataverseName());
+ throwErrorIfDependentExists(mdTxnCtx, workingDataverse,
+ (dependency) -> dependency.first == DependencyKind.FUNCTION
+ && dependency.second.second.equals(functionSignature.getName())
+ && dependency.second.third.equals(Integer.toString(functionSignature.getArity())));
+
+ // Finish this transaction and perform the remainder of the DROP FUNCTION statement.
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ super.handleFunctionDropStatement(metadataProvider, stmt, requestParameters);
+ }
+
+ @Override
+ public void handleViewDropStatement(MetadataProvider metadataProvider, Statement stmt) throws Exception {
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+
+ // Forbid dropping the dataset if any graphs depend on this dataset.
+ DataverseName workingDataverse = getActiveDataverseName(((ViewDropStatement) stmt).getDataverseName());
+ Identifier dsId = ((ViewDropStatement) stmt).getViewName();
+ throwErrorIfDependentExists(mdTxnCtx, workingDataverse,
+ (dependency) -> dependency.first == DependencyKind.DATASET
+ && dependency.second.second.equals(dsId.getValue()));
+
+ // Finish this transaction and perform the remainder of the DROP VIEW statement.
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ super.handleViewDropStatement(metadataProvider, stmt);
+ }
+
+ @Override
+ public void handleDatasetDropStatement(MetadataProvider metadataProvider, Statement stmt,
+ IHyracksClientConnection hcc, IRequestParameters requestParameters) throws Exception {
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+
+ // Forbid dropping the dataset if any graphs depend on this dataset.
+ DataverseName workingDataverse = getActiveDataverseName(((DropDatasetStatement) stmt).getDataverseName());
+ Identifier dsId = ((DropDatasetStatement) stmt).getDatasetName();
+ throwErrorIfDependentExists(mdTxnCtx, workingDataverse,
+ (dependency) -> dependency.first == DependencyKind.DATASET
+ && dependency.second.second.equals(dsId.getValue()));
+
+ // Finish this transaction and perform the remainder of the DROP DATASET statement.
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ super.handleDatasetDropStatement(metadataProvider, stmt, hcc, requestParameters);
+ }
+
+ private void throwErrorIfDependentExists(MetadataTransactionContext mdTxnCtx, DataverseName workingDataverse,
+ Function<Pair<DependencyKind, Triple<DataverseName, String, String>>, Boolean> isEntityDependent)
+ throws AlgebricksException {
+ List<Graph> allGraphs = GraphixMetadataExtension.getGraphs(mdTxnCtx, workingDataverse);
+ for (Graph graph : allGraphs) {
+ if (!graph.getDataverseName().equals(workingDataverse)) {
+ continue;
+ }
+ Iterator<Pair<DependencyKind, Triple<DataverseName, String, String>>> dependencyIterator =
+ graph.getDependencies().getIterator();
+ while (dependencyIterator.hasNext()) {
+ Pair<DependencyKind, Triple<DataverseName, String, String>> dependency = dependencyIterator.next();
+ if (isEntityDependent.apply(dependency)) {
+ throw new CompilationException(ErrorCode.CANNOT_DROP_OBJECT_DEPENDENT_EXISTS, dependency.first,
+ dependency.first.getDependencyDisplayName(dependency.second), "graph",
+ graph.getGraphName());
+ }
+ }
+ }
+ }
+
+ @Override
+ protected void handleDataverseDropStatement(MetadataProvider metadataProvider, Statement stmt,
+ IHyracksClientConnection hcc, IRequestParameters requestParameters) throws Exception {
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+
+ // Forbid dropping this dataverse if other graphs that are outside this dataverse depend on this dataverse.
+ DataverseName droppedDataverse = ((DataverseDropStatement) stmt).getDataverseName();
+ List<Graph> allGraphs = GraphixMetadataExtension.getGraphs(mdTxnCtx, null);
+ for (Graph graph : allGraphs) {
+ if (graph.getDataverseName().equals(droppedDataverse)) {
+ continue;
+ }
+ Iterator<Pair<DependencyKind, Triple<DataverseName, String, String>>> dependencyIterator =
+ graph.getDependencies().getIterator();
+ while (dependencyIterator.hasNext()) {
+ Pair<DependencyKind, Triple<DataverseName, String, String>> dependency = dependencyIterator.next();
+ if (dependency.second.first.equals(droppedDataverse)) {
+ throw new CompilationException(ErrorCode.CANNOT_DROP_DATAVERSE_DEPENDENT_EXISTS, dependency.first,
+ dependency.first.getDependencyDisplayName(dependency.second), "graph",
+ graph.getGraphName());
+ }
+ }
+ }
+
+ // Perform a drop for all graphs contained in this dataverse.
+ MetadataProvider tempMdProvider = MetadataProvider.create(appCtx, metadataProvider.getDefaultDataverse());
+ tempMdProvider.getConfig().putAll(metadataProvider.getConfig());
+ for (Graph graph : allGraphs) {
+ if (!graph.getDataverseName().equals(droppedDataverse)) {
+ continue;
+ }
+ tempMdProvider.getLocks().reset();
+ GraphDropStatement gds = new GraphDropStatement(droppedDataverse, graph.getGraphName(), false);
+ gds.handle(hcc, this, requestParameters, tempMdProvider, 0);
+ }
+
+ // Finish this transaction and perform the remainder of the DROP DATAVERSE statement.
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ super.handleDataverseDropStatement(metadataProvider, stmt, hcc, requestParameters);
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/app/translator/GraphixQueryTranslatorFactory.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/app/translator/GraphixQueryTranslatorFactory.java
new file mode 100644
index 0000000..a0c4d2f
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/app/translator/GraphixQueryTranslatorFactory.java
@@ -0,0 +1,39 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.app.translator;
+
+import java.util.List;
+
+import org.apache.asterix.app.translator.DefaultStatementExecutorFactory;
+import org.apache.asterix.app.translator.QueryTranslator;
+import org.apache.asterix.common.api.IResponsePrinter;
+import org.apache.asterix.common.context.IStorageComponentProvider;
+import org.apache.asterix.common.dataflow.ICcApplicationContext;
+import org.apache.asterix.compiler.provider.ILangCompilationProvider;
+import org.apache.asterix.lang.common.base.Statement;
+import org.apache.asterix.translator.SessionOutput;
+
+public class GraphixQueryTranslatorFactory extends DefaultStatementExecutorFactory {
+ @Override
+ public QueryTranslator create(ICcApplicationContext appCtx, List<Statement> statements, SessionOutput output,
+ ILangCompilationProvider compilationProvider, IStorageComponentProvider storageComponentProvider,
+ IResponsePrinter printer) {
+ return new GraphixQueryTranslator(appCtx, statements, output, compilationProvider, executorService, printer);
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/common/metadata/GraphElementIdentifier.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/common/metadata/GraphElementIdentifier.java
new file mode 100644
index 0000000..fdd4ed4
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/common/metadata/GraphElementIdentifier.java
@@ -0,0 +1,87 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.common.metadata;
+
+import java.io.Serializable;
+import java.util.Objects;
+
+public class GraphElementIdentifier implements Serializable {
+ private static final long serialVersionUID = 1L;
+ private final GraphIdentifier graphIdentifier;
+ private final Kind elementKind;
+ private final String labelName;
+
+ public GraphElementIdentifier(GraphIdentifier graphIdentifier, Kind elementKind, String labelName) {
+ this.graphIdentifier = graphIdentifier;
+ this.elementKind = elementKind;
+ this.labelName = labelName;
+ }
+
+ public GraphIdentifier getGraphIdentifier() {
+ return graphIdentifier;
+ }
+
+ public Kind getElementKind() {
+ return elementKind;
+ }
+
+ public String getLabelName() {
+ return labelName;
+ }
+
+ @Override
+ public String toString() {
+ return graphIdentifier + "#" + labelName + " ( " + elementKind + " )";
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+ if (o instanceof GraphElementIdentifier) {
+ GraphElementIdentifier that = (GraphElementIdentifier) o;
+ return graphIdentifier.equals(that.graphIdentifier) && elementKind.equals(that.elementKind)
+ && labelName.equals(that.labelName);
+ }
+ return false;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(graphIdentifier, elementKind, labelName);
+ }
+
+ public enum Kind {
+ VERTEX,
+ EDGE;
+
+ @Override
+ public String toString() {
+ switch (this) {
+ case EDGE:
+ return "edge";
+ case VERTEX:
+ return "vertex";
+ default:
+ throw new IllegalStateException("Unknown graph element kind.");
+ }
+ }
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/common/metadata/GraphIdentifier.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/common/metadata/GraphIdentifier.java
new file mode 100644
index 0000000..4b78434
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/common/metadata/GraphIdentifier.java
@@ -0,0 +1,65 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.common.metadata;
+
+import java.io.Serializable;
+import java.util.Objects;
+
+import org.apache.asterix.common.metadata.DataverseName;
+
+public class GraphIdentifier implements Serializable {
+ private static final long serialVersionUID = 1L;
+ private final DataverseName dataverseName;
+ private final String graphName;
+
+ public GraphIdentifier(DataverseName dataverseName, String graphName) {
+ this.dataverseName = dataverseName;
+ this.graphName = graphName;
+ }
+
+ public DataverseName getDataverseName() {
+ return dataverseName;
+ }
+
+ public String getGraphName() {
+ return graphName;
+ }
+
+ @Override
+ public String toString() {
+ return dataverseName + "." + graphName;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+ if (o instanceof GraphIdentifier) {
+ GraphIdentifier that = (GraphIdentifier) o;
+ return dataverseName.equals(that.dataverseName) && graphName.equals(that.graphName);
+ }
+ return false;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(dataverseName, graphName);
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixLangExtension.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixLangExtension.java
new file mode 100644
index 0000000..2c46266
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixLangExtension.java
@@ -0,0 +1,50 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.extension;
+
+import java.util.List;
+
+import org.apache.asterix.algebra.base.ILangExtension;
+import org.apache.asterix.common.api.ExtensionId;
+import org.apache.asterix.compiler.provider.ILangCompilationProvider;
+import org.apache.asterix.graphix.algebra.compiler.provider.GraphixCompilationProvider;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+
+public class GraphixLangExtension implements ILangExtension {
+ public static final ExtensionId LANG_EXTENSION_ID = new ExtensionId(GraphixLangExtension.class.getSimpleName(), 0);
+
+ @Override
+ public ExtensionId getId() {
+ return LANG_EXTENSION_ID;
+ }
+
+ @Override
+ public void configure(List<Pair<String, String>> args) {
+ }
+
+ @Override
+ public ILangCompilationProvider getLangCompilationProvider(Language lang) {
+ return (lang == Language.SQLPP) ? new GraphixCompilationProvider() : null;
+ }
+
+ @Override
+ public ExtensionKind getExtensionKind() {
+ return ExtensionKind.LANG;
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixMetadataExtension.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixMetadataExtension.java
new file mode 100644
index 0000000..68df8b4
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixMetadataExtension.java
@@ -0,0 +1,142 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.extension;
+
+import java.rmi.RemoteException;
+import java.util.Collections;
+import java.util.List;
+
+import org.apache.asterix.common.api.ExtensionId;
+import org.apache.asterix.common.exceptions.ACIDException;
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.graphix.metadata.bootstrap.GraphixMetadataIndexes;
+import org.apache.asterix.graphix.metadata.bootstrap.GraphixMetadataRecordTypes;
+import org.apache.asterix.graphix.metadata.entities.Graph;
+import org.apache.asterix.metadata.MetadataManager;
+import org.apache.asterix.metadata.MetadataNode;
+import org.apache.asterix.metadata.MetadataTransactionContext;
+import org.apache.asterix.metadata.api.ExtensionMetadataDataset;
+import org.apache.asterix.metadata.api.ExtensionMetadataDatasetId;
+import org.apache.asterix.metadata.api.IExtensionMetadataSearchKey;
+import org.apache.asterix.metadata.api.IMetadataExtension;
+import org.apache.asterix.metadata.api.IMetadataIndex;
+import org.apache.asterix.metadata.bootstrap.MetadataBootstrap;
+import org.apache.asterix.metadata.entities.Datatype;
+import org.apache.asterix.metadata.entitytupletranslators.MetadataTupleTranslatorProvider;
+import org.apache.asterix.metadata.utils.MetadataConstants;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.api.application.INCServiceContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+
+public class GraphixMetadataExtension implements IMetadataExtension {
+ public static final ExtensionId GRAPHIX_METADATA_EXTENSION_ID =
+ new ExtensionId(GraphixMetadataExtension.class.getName(), 0);
+
+ public static Graph getGraph(MetadataTransactionContext mdTxnCtx, DataverseName dataverseName, String graphName)
+ throws AlgebricksException {
+ IExtensionMetadataSearchKey graphSearchKey = new IExtensionMetadataSearchKey() {
+ private static final long serialVersionUID = 1L;
+
+ @Override
+ public ExtensionMetadataDatasetId getDatasetId() {
+ return GraphixMetadataIndexes.GRAPH_METADATA_DATASET_EXTENSION_ID;
+ }
+
+ @Override
+ public ITupleReference getSearchKey() {
+ return MetadataNode.createTuple(dataverseName, graphName);
+ }
+ };
+ List<Graph> graphs = MetadataManager.INSTANCE.getEntities(mdTxnCtx, graphSearchKey);
+ return (graphs.isEmpty()) ? null : graphs.get(0);
+ }
+
+ public static List<Graph> getGraphs(MetadataTransactionContext mdTxnTtx, DataverseName dataverseName)
+ throws AlgebricksException {
+ IExtensionMetadataSearchKey graphDataverseSearchKey = new IExtensionMetadataSearchKey() {
+ private static final long serialVersionUID = 1L;
+
+ @Override
+ public ExtensionMetadataDatasetId getDatasetId() {
+ return GraphixMetadataIndexes.GRAPH_METADATA_DATASET_EXTENSION_ID;
+ }
+
+ @Override
+ public ITupleReference getSearchKey() {
+ return (dataverseName == null) ? null : MetadataNode.createTuple(dataverseName);
+ }
+ };
+ return MetadataManager.INSTANCE.getEntities(mdTxnTtx, graphDataverseSearchKey);
+ }
+
+ @Override
+ public ExtensionId getId() {
+ return GRAPHIX_METADATA_EXTENSION_ID;
+ }
+
+ @Override
+ public void configure(List<Pair<String, String>> args) {
+ // No (extra) configuration needed.
+ }
+
+ @Override
+ public MetadataTupleTranslatorProvider getMetadataTupleTranslatorProvider() {
+ return new MetadataTupleTranslatorProvider();
+ }
+
+ @SuppressWarnings("rawtypes")
+ @Override
+ public List<ExtensionMetadataDataset> getExtensionIndexes() {
+ try {
+ return Collections.singletonList(GraphixMetadataIndexes.GRAPH_DATASET);
+
+ } catch (Throwable th) {
+ th.printStackTrace();
+ throw th;
+ }
+ }
+
+ @Override
+ public void initializeMetadata(INCServiceContext appCtx)
+ throws HyracksDataException, RemoteException, ACIDException {
+ MetadataBootstrap.enlistMetadataDataset(appCtx, GraphixMetadataIndexes.GRAPH_DATASET);
+ if (MetadataBootstrap.isNewUniverse()) {
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ try {
+ // Insert our sole new metadata dataset (Graph).
+ MetadataBootstrap.insertMetadataDatasets(mdTxnCtx,
+ new IMetadataIndex[] { GraphixMetadataIndexes.GRAPH_DATASET });
+
+ // Insert our sole datatype (Graph).
+ MetadataManager.INSTANCE.addDatatype(mdTxnCtx,
+ new Datatype(MetadataConstants.METADATA_DATAVERSE_NAME,
+ GraphixMetadataRecordTypes.GRAPH_RECORDTYPE.getTypeName(),
+ GraphixMetadataRecordTypes.GRAPH_RECORDTYPE, false));
+
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+
+ } catch (Exception e) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ throw HyracksDataException.create(e);
+ }
+ }
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixQueryTranslatorExtension.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixQueryTranslatorExtension.java
new file mode 100644
index 0000000..b6f7753
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/extension/GraphixQueryTranslatorExtension.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.extension;
+
+import java.util.List;
+
+import org.apache.asterix.app.cc.IStatementExecutorExtension;
+import org.apache.asterix.common.api.ExtensionId;
+import org.apache.asterix.graphix.app.translator.GraphixQueryTranslatorFactory;
+import org.apache.asterix.translator.IStatementExecutorFactory;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+
+public class GraphixQueryTranslatorExtension implements IStatementExecutorExtension {
+ public static final ExtensionId GRAPHIX_QUERY_TRANSLATOR_EXTENSION_ID =
+ new ExtensionId(GraphixQueryTranslatorExtension.class.getSimpleName(), 0);
+
+ private static final IStatementExecutorFactory INSTANCE = new GraphixQueryTranslatorFactory();
+
+ @Override
+ public ExtensionId getId() {
+ return GRAPHIX_QUERY_TRANSLATOR_EXTENSION_ID;
+ }
+
+ @Override
+ public void configure(List<Pair<String, String>> args) {
+ }
+
+ @Override
+ public IStatementExecutorFactory getQueryTranslatorFactory() {
+ return INSTANCE;
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/expression/GraphConstructor.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/expression/GraphConstructor.java
new file mode 100644
index 0000000..8ba4cea
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/expression/GraphConstructor.java
@@ -0,0 +1,238 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.expression;
+
+import java.util.List;
+
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.graphix.lang.rewrites.visitor.IGraphixLangVisitor;
+import org.apache.asterix.lang.common.base.AbstractExpression;
+import org.apache.asterix.lang.common.base.AbstractLangExpression;
+import org.apache.asterix.lang.common.base.Expression;
+import org.apache.asterix.lang.common.visitor.base.ILangVisitor;
+
+public class GraphConstructor extends AbstractExpression {
+ private final List<VertexElement> vertexElements;
+ private final List<EdgeElement> edgeElements;
+
+ public GraphConstructor(List<VertexElement> vertexElements, List<EdgeElement> edgeElements) {
+ this.vertexElements = vertexElements;
+ this.edgeElements = edgeElements;
+ }
+
+ public List<VertexElement> getVertexElements() {
+ return vertexElements;
+ }
+
+ public List<EdgeElement> getEdgeElements() {
+ return edgeElements;
+ }
+
+ @Override
+ public Kind getKind() {
+ return null;
+ }
+
+ @Override
+ public <R, T> R accept(ILangVisitor<R, T> visitor, T arg) throws CompilationException {
+ return ((IGraphixLangVisitor<R, T>) visitor).visit(this, arg);
+ }
+
+ @Override
+ public boolean equals(Object object) {
+ if (this == object) {
+ return true;
+ }
+ if (!(object instanceof GraphConstructor)) {
+ return false;
+ }
+ GraphConstructor that = (GraphConstructor) object;
+ return vertexElements.equals(that.vertexElements) && edgeElements.equals(that.edgeElements);
+ }
+
+ public static class VertexElement extends AbstractLangExpression {
+ private final List<Integer> primaryKeySourceIndicators;
+ private final List<List<String>> primaryKeyFields;
+ private final Expression expression;
+ private final String definition;
+ private final String label;
+
+ public VertexElement(String label, List<List<String>> primaryKeyFields,
+ List<Integer> primaryKeySourceIndicators, Expression expression, String definition) {
+ this.primaryKeySourceIndicators = primaryKeySourceIndicators;
+ this.primaryKeyFields = primaryKeyFields;
+ this.expression = expression;
+ this.definition = definition;
+ this.label = label;
+ }
+
+ public List<List<String>> getPrimaryKeyFields() {
+ return primaryKeyFields;
+ }
+
+ public List<Integer> getPrimaryKeySourceIndicators() {
+ return primaryKeySourceIndicators;
+ }
+
+ public Expression getExpression() {
+ return expression;
+ }
+
+ public String getDefinition() {
+ return definition;
+ }
+
+ public String getLabel() {
+ return label;
+ }
+
+ @Override
+ public String toString() {
+ return "(:" + label + ") AS " + definition;
+ }
+
+ @Override
+ public <R, T> R accept(ILangVisitor<R, T> visitor, T arg) throws CompilationException {
+ return ((IGraphixLangVisitor<R, T>) visitor).visit(this, arg);
+ }
+
+ @Override
+ public boolean equals(Object object) {
+ if (this == object) {
+ return true;
+ }
+ if (!(object instanceof VertexElement)) {
+ return false;
+ }
+ VertexElement that = (VertexElement) object;
+ return primaryKeySourceIndicators.equals(that.primaryKeySourceIndicators)
+ && primaryKeyFields.equals(that.primaryKeyFields) && expression.equals(that.expression)
+ && definition.equals(that.definition) && label.equals(that.label);
+ }
+ }
+
+ public static class EdgeElement extends AbstractLangExpression {
+ private final List<Integer> destinationKeySourceIndicators;
+ private final List<Integer> sourceKeySourceIndicators;
+ private final List<Integer> primaryKeySourceIndicators;
+
+ private final List<List<String>> destinationKeyFields;
+ private final List<List<String>> sourceKeyFields;
+ private final List<List<String>> primaryKeyFields;
+
+ private final String destinationLabel, edgeLabel, sourceLabel;
+ private final Expression expression;
+ private final String definition;
+
+ public EdgeElement(String edgeLabel, String destinationLabel, String sourceLabel,
+ List<List<String>> primaryKeyFields, List<Integer> primaryKeySourceIndicators,
+ List<List<String>> destinationKeyFields, List<Integer> destinationKeySourceIndicators,
+ List<List<String>> sourceKeyFields, List<Integer> sourceKeySourceIndicators, Expression expression,
+ String definition) {
+ this.destinationKeySourceIndicators = destinationKeySourceIndicators;
+ this.sourceKeySourceIndicators = sourceKeySourceIndicators;
+ this.primaryKeySourceIndicators = primaryKeySourceIndicators;
+ this.destinationKeyFields = destinationKeyFields;
+ this.sourceKeyFields = sourceKeyFields;
+ this.primaryKeyFields = primaryKeyFields;
+ this.destinationLabel = destinationLabel;
+ this.edgeLabel = edgeLabel;
+ this.sourceLabel = sourceLabel;
+ this.expression = expression;
+ this.definition = definition;
+ }
+
+ public List<Integer> getDestinationKeySourceIndicators() {
+ return destinationKeySourceIndicators;
+ }
+
+ public List<Integer> getSourceKeySourceIndicators() {
+ return sourceKeySourceIndicators;
+ }
+
+ public List<Integer> getPrimaryKeySourceIndicators() {
+ return primaryKeySourceIndicators;
+ }
+
+ public List<List<String>> getDestinationKeyFields() {
+ return destinationKeyFields;
+ }
+
+ public List<List<String>> getSourceKeyFields() {
+ return sourceKeyFields;
+ }
+
+ public List<List<String>> getPrimaryKeyFields() {
+ return primaryKeyFields;
+ }
+
+ public String getDestinationLabel() {
+ return destinationLabel;
+ }
+
+ public String getEdgeLabel() {
+ return edgeLabel;
+ }
+
+ public String getSourceLabel() {
+ return sourceLabel;
+ }
+
+ public Expression getExpression() {
+ return expression;
+ }
+
+ public String getDefinition() {
+ return definition;
+ }
+
+ @Override
+ public String toString() {
+ String edgeBodyPattern = "[:" + edgeLabel + "]";
+ String sourceNodePattern = "(:" + sourceLabel + ")";
+ String destinationNodePattern = "(:" + destinationLabel + ")";
+ String edgePattern = sourceNodePattern + "-" + edgeBodyPattern + "->" + destinationNodePattern;
+ return (definition == null) ? edgePattern : (edgePattern + " AS " + definition);
+ }
+
+ @Override
+ public <R, T> R accept(ILangVisitor<R, T> visitor, T arg) throws CompilationException {
+ return ((IGraphixLangVisitor<R, T>) visitor).visit(this, arg);
+ }
+
+ @Override
+ public boolean equals(Object object) {
+ if (this == object) {
+ return true;
+ }
+ if (!(object instanceof EdgeElement)) {
+ return false;
+ }
+ EdgeElement that = (EdgeElement) object;
+ return destinationKeySourceIndicators.equals(that.destinationKeySourceIndicators)
+ && sourceKeySourceIndicators.equals(that.sourceKeySourceIndicators)
+ && primaryKeySourceIndicators.equals(that.primaryKeySourceIndicators)
+ && destinationKeyFields.equals(that.destinationKeyFields)
+ && sourceKeyFields.equals(that.sourceKeyFields) && primaryKeyFields.equals(that.primaryKeyFields)
+ && destinationLabel.equals(that.destinationLabel) && edgeLabel.equals(that.edgeLabel)
+ && sourceLabel.equals(that.sourceLabel) && expression.equals(that.expression)
+ && definition.equals(that.definition);
+ }
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/expression/GraphElementExpr.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/expression/GraphElementExpr.java
new file mode 100644
index 0000000..11c1e34
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/expression/GraphElementExpr.java
@@ -0,0 +1,58 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.expression;
+
+import java.util.Collections;
+
+import org.apache.asterix.common.functions.FunctionConstants;
+import org.apache.asterix.common.functions.FunctionSignature;
+import org.apache.asterix.graphix.common.metadata.GraphElementIdentifier;
+import org.apache.asterix.graphix.common.metadata.GraphIdentifier;
+import org.apache.asterix.graphix.lang.statement.GraphElementDecl;
+import org.apache.asterix.lang.common.expression.CallExpr;
+import org.apache.asterix.lang.common.statement.Query;
+import org.apache.asterix.lang.common.util.ExpressionUtils;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+
+public class GraphElementExpr extends CallExpr {
+ public static final String GRAPH_ELEMENT_FUNCTION_NAME = "graph-element";
+ public static final FunctionIdentifier GRAPH_ELEMENT_FUNCTION_ID =
+ new FunctionIdentifier(FunctionConstants.ASTERIX_NS, GRAPH_ELEMENT_FUNCTION_NAME, 5);
+
+ // A graph element is uniquely identified by its identifier.
+ private final GraphElementIdentifier identifier;
+
+ public GraphElementExpr(GraphElementIdentifier identifier) {
+ super(new FunctionSignature(GRAPH_ELEMENT_FUNCTION_ID), Collections.emptyList(), null);
+ this.identifier = identifier;
+ }
+
+ public GraphElementIdentifier getIdentifier() {
+ return identifier;
+ }
+
+ public GraphIdentifier getGraphIdentifier() {
+ return identifier.getGraphIdentifier();
+ }
+
+ public static Query createGraphElementAccessorQuery(GraphElementDecl graphElementDecl) {
+ GraphElementExpr functionCall = new GraphElementExpr(graphElementDecl.getIdentifier());
+ return ExpressionUtils.createWrappedQuery(functionCall, graphElementDecl.getSourceLocation());
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/parser/GraphElementBodyParser.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/parser/GraphElementBodyParser.java
new file mode 100644
index 0000000..b1337b7
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/parser/GraphElementBodyParser.java
@@ -0,0 +1,56 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.parser;
+
+import java.io.StringReader;
+import java.util.Objects;
+
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.graphix.lang.statement.GraphElementDecl;
+import org.apache.asterix.graphix.metadata.entities.Graph;
+import org.apache.hyracks.api.exceptions.IWarningCollector;
+
+public final class GraphElementBodyParser {
+ // Just a wrapper for the parseGraphElementBody method.
+ public static GraphElementDecl parse(Graph.Element element, GraphixParserFactory parserFactory,
+ IWarningCollector warningCollector) throws CompilationException {
+ GraphElementDecl graphElementDecl = null;
+ for (String definition : element.getDefinitions()) {
+ if (Objects.equals(definition, "")) {
+ continue;
+ }
+ GraphixParser parser = (GraphixParser) parserFactory.createParser(new StringReader(definition));
+ GraphElementDecl parsedElementDecl = parser.parseGraphElementBody(element.getIdentifier());
+
+ // Accumulate the element bodies.
+ if (graphElementDecl == null) {
+ graphElementDecl = parsedElementDecl;
+
+ } else {
+ graphElementDecl.getBodies().add(parsedElementDecl.getBodies().get(0));
+ }
+
+ // Gather any warnings.
+ if (warningCollector != null) {
+ parser.getWarnings(warningCollector);
+ }
+ }
+ return graphElementDecl;
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/parser/GraphixParserFactory.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/parser/GraphixParserFactory.java
new file mode 100644
index 0000000..ab97d6a
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/parser/GraphixParserFactory.java
@@ -0,0 +1,36 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.parser;
+
+import java.io.Reader;
+
+import org.apache.asterix.lang.common.base.IParser;
+import org.apache.asterix.lang.sqlpp.parser.SqlppParserFactory;
+
+public class GraphixParserFactory extends SqlppParserFactory {
+ @Override
+ public IParser createParser(String query) {
+ return new GraphixParser(query);
+ }
+
+ @Override
+ public IParser createParser(Reader reader) {
+ return new GraphixParser(reader);
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixQueryRewriter.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixQueryRewriter.java
new file mode 100644
index 0000000..9e88251
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixQueryRewriter.java
@@ -0,0 +1,186 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.rewrites;
+
+import java.util.ArrayDeque;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Deque;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.common.exceptions.ErrorCode;
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.graphix.common.metadata.GraphElementIdentifier;
+import org.apache.asterix.graphix.common.metadata.GraphIdentifier;
+import org.apache.asterix.graphix.extension.GraphixMetadataExtension;
+import org.apache.asterix.graphix.lang.expression.GraphElementExpr;
+import org.apache.asterix.graphix.lang.parser.GraphElementBodyParser;
+import org.apache.asterix.graphix.lang.parser.GraphixParserFactory;
+import org.apache.asterix.graphix.lang.statement.GraphElementDecl;
+import org.apache.asterix.graphix.metadata.entities.Graph;
+import org.apache.asterix.lang.common.base.Expression;
+import org.apache.asterix.lang.common.base.IParserFactory;
+import org.apache.asterix.lang.common.base.IReturningStatement;
+import org.apache.asterix.lang.common.expression.AbstractCallExpression;
+import org.apache.asterix.lang.common.statement.Query;
+import org.apache.asterix.lang.common.struct.VarIdentifier;
+import org.apache.asterix.lang.common.util.ExpressionUtils;
+import org.apache.asterix.lang.sqlpp.rewrites.SqlppQueryRewriter;
+import org.apache.asterix.lang.sqlpp.rewrites.visitor.SqlppGatherFunctionCallsVisitor;
+import org.apache.asterix.metadata.entities.Dataverse;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.api.exceptions.SourceLocation;
+
+public class GraphixQueryRewriter extends SqlppQueryRewriter {
+ private final GraphixParserFactory parserFactory;
+ private final SqlppQueryRewriter bodyRewriter;
+
+ public GraphixQueryRewriter(IParserFactory parserFactory) {
+ super(parserFactory);
+
+ // We can safely downcast to our specific parser factory here.
+ this.parserFactory = (GraphixParserFactory) parserFactory;
+ this.bodyRewriter = new SqlppQueryRewriter(parserFactory);
+ }
+
+ public void rewrite(GraphixRewritingContext rewriteContext, IReturningStatement topStatement,
+ boolean allowNonStoredUdfCalls, boolean inlineUdfsAndViews, Collection<VarIdentifier> externalVars)
+ throws CompilationException {
+ // Get the graph elements in the top statement.
+ Map<GraphElementIdentifier, GraphElementDecl> graphElements =
+ loadNormalizedGraphElements(rewriteContext, topStatement);
+
+ // Perform the remainder of our rewrites in our parent.
+ super.rewrite(rewriteContext.getLangRewritingContext(), topStatement, allowNonStoredUdfCalls,
+ inlineUdfsAndViews, externalVars);
+ }
+
+ public Map<GraphElementIdentifier, GraphElementDecl> loadNormalizedGraphElements(
+ GraphixRewritingContext rewriteContext, IReturningStatement topExpr) throws CompilationException {
+ Map<GraphElementIdentifier, GraphElementDecl> graphElements = new HashMap<>();
+
+ // Gather all function calls.
+ Deque<AbstractCallExpression> workQueue = new ArrayDeque<>();
+ SqlppGatherFunctionCallsVisitor callVisitor = new SqlppGatherFunctionCallsVisitor(workQueue);
+ for (Expression expr : topExpr.getDirectlyEnclosedExpressions()) {
+ expr.accept(callVisitor, null);
+ }
+
+ AbstractCallExpression fnCall;
+ while ((fnCall = workQueue.poll()) != null) {
+ // Load only the graph element declarations (we will load the rest of the elements in the parent).
+ if (!fnCall.getKind().equals(Expression.Kind.CALL_EXPRESSION)
+ || !fnCall.getFunctionSignature().getName().equals(GraphElementExpr.GRAPH_ELEMENT_FUNCTION_NAME)) {
+ continue;
+ }
+ GraphElementExpr graphElementExpr = (GraphElementExpr) fnCall;
+ GraphElementIdentifier identifier = graphElementExpr.getIdentifier();
+ if (!graphElements.containsKey(identifier)) {
+
+ // First, check if we have already loaded this graph element.
+ GraphElementDecl elementDecl = rewriteContext.getDeclaredGraphElements().get(identifier);
+
+ // If we cannot find the graph element in our context, search our metadata.
+ if (elementDecl == null) {
+ GraphIdentifier graphIdentifier = identifier.getGraphIdentifier();
+ Graph graph;
+ try {
+ graph = GraphixMetadataExtension.getGraph(
+ rewriteContext.getMetadataProvider().getMetadataTxnContext(),
+ graphIdentifier.getDataverseName(), graphIdentifier.getGraphName());
+
+ } catch (AlgebricksException e) {
+ throw new CompilationException(ErrorCode.COMPILATION_ERROR,
+ graphElementExpr.getSourceLocation(),
+ "Graph " + graphIdentifier.getGraphName() + " does not exist.");
+ }
+
+ // Parse our graph element.
+ if (graph == null) {
+ throw new CompilationException(ErrorCode.COMPILATION_ERROR,
+ graphElementExpr.getSourceLocation(),
+ "Graph " + graphIdentifier.getGraphName() + " does not exist.");
+ }
+ Graph.Element element = graph.getGraphSchema().getElement(identifier);
+ elementDecl = GraphElementBodyParser.parse(element, parserFactory,
+ rewriteContext.getLangRewritingContext().getWarningCollector());
+ }
+
+ // Get our normalized element bodies.
+ List<Expression> normalizedBodies = elementDecl.getNormalizedBodies();
+ if (normalizedBodies.size() != elementDecl.getBodies().size()) {
+ GraphIdentifier graphIdentifier = elementDecl.getGraphIdentifier();
+ for (Expression body : elementDecl.getBodies()) {
+ Expression normalizedBody =
+ rewriteGraphElementBody(rewriteContext, graphIdentifier.getDataverseName(), body,
+ Collections.emptyList(), elementDecl.getSourceLocation());
+ normalizedBodies.add(normalizedBody);
+ }
+ }
+
+ // Store the element declaration in our map, and iterate over this body.
+ graphElements.put(identifier, elementDecl);
+ for (Expression e : elementDecl.getNormalizedBodies()) {
+ e.accept(callVisitor, null);
+ }
+ }
+ }
+
+ return graphElements;
+ }
+
+ private Expression rewriteGraphElementBody(GraphixRewritingContext rewriteContext, DataverseName elementDataverse,
+ Expression bodyExpr, List<VarIdentifier> externalVars, SourceLocation sourceLoc)
+ throws CompilationException {
+ Dataverse defaultDataverse = rewriteContext.getMetadataProvider().getDefaultDataverse();
+ Dataverse targetDataverse;
+
+ // We might need to change our dataverse, if the element definition requires a different one.
+ if (elementDataverse.equals(defaultDataverse.getDataverseName())) {
+ targetDataverse = defaultDataverse;
+
+ } else {
+ try {
+ targetDataverse = rewriteContext.getMetadataProvider().findDataverse(elementDataverse);
+
+ } catch (AlgebricksException e) {
+ throw new CompilationException(ErrorCode.UNKNOWN_DATAVERSE, e, sourceLoc, elementDataverse);
+ }
+ }
+ rewriteContext.getMetadataProvider().setDefaultDataverse(targetDataverse);
+
+ // Get the body of the rewritten query.
+ try {
+ Query wrappedQuery = ExpressionUtils.createWrappedQuery(bodyExpr, sourceLoc);
+ bodyRewriter.rewrite(rewriteContext.getLangRewritingContext(), wrappedQuery, false, false, externalVars);
+ return wrappedQuery.getBody();
+
+ } catch (CompilationException e) {
+ throw new CompilationException(ErrorCode.COMPILATION_ERROR, bodyExpr.getSourceLocation(),
+ "Bad definition for a graph element: " + e.getMessage());
+
+ } finally {
+ // Switch back to the working dataverse.
+ rewriteContext.getMetadataProvider().setDefaultDataverse(defaultDataverse);
+ }
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixRewriterFactory.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixRewriterFactory.java
new file mode 100644
index 0000000..6b1cf30
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixRewriterFactory.java
@@ -0,0 +1,40 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.rewrites;
+
+import org.apache.asterix.graphix.lang.parser.GraphixParserFactory;
+import org.apache.asterix.lang.common.base.IParserFactory;
+import org.apache.asterix.lang.common.base.IQueryRewriter;
+import org.apache.asterix.lang.sqlpp.rewrites.SqlppRewriterFactory;
+
+public class GraphixRewriterFactory extends SqlppRewriterFactory {
+ private final GraphixParserFactory parserFactory;
+
+ public GraphixRewriterFactory(IParserFactory parserFactory) {
+ super(parserFactory);
+
+ // We can safely downcast the parser factory here.
+ this.parserFactory = (GraphixParserFactory) parserFactory;
+ }
+
+ @Override
+ public IQueryRewriter createQueryRewriter() {
+ return new GraphixQueryRewriter(parserFactory);
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixRewritingContext.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixRewritingContext.java
new file mode 100644
index 0000000..e62d337
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/GraphixRewritingContext.java
@@ -0,0 +1,58 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.rewrites;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.asterix.graphix.common.metadata.GraphElementIdentifier;
+import org.apache.asterix.graphix.lang.statement.GraphElementDecl;
+import org.apache.asterix.lang.common.rewrites.LangRewritingContext;
+import org.apache.asterix.lang.common.statement.FunctionDecl;
+import org.apache.asterix.lang.common.statement.ViewDecl;
+import org.apache.asterix.metadata.declared.MetadataProvider;
+import org.apache.hyracks.api.exceptions.IWarningCollector;
+
+public class GraphixRewritingContext {
+ private final Map<GraphElementIdentifier, GraphElementDecl> graphElementDeclMap = new HashMap<>();
+ private final LangRewritingContext langRewritingContext;
+
+ public GraphixRewritingContext(MetadataProvider metadataProvider, List<FunctionDecl> declaredFunctions,
+ List<ViewDecl> declaredViews, List<GraphElementDecl> declaredGraphElements,
+ IWarningCollector warningCollector, int varCounter) {
+ if (declaredGraphElements != null) {
+ declaredGraphElements.forEach(e -> graphElementDeclMap.put(e.getIdentifier(), e));
+ }
+ langRewritingContext = new LangRewritingContext(metadataProvider, declaredFunctions, declaredViews,
+ warningCollector, varCounter);
+ }
+
+ public Map<GraphElementIdentifier, GraphElementDecl> getDeclaredGraphElements() {
+ return graphElementDeclMap;
+ }
+
+ public LangRewritingContext getLangRewritingContext() {
+ return langRewritingContext;
+ }
+
+ public MetadataProvider getMetadataProvider() {
+ return langRewritingContext.getMetadataProvider();
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/visitor/IGraphixLangVisitor.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/visitor/IGraphixLangVisitor.java
new file mode 100644
index 0000000..2b41511
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrites/visitor/IGraphixLangVisitor.java
@@ -0,0 +1,40 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.rewrites.visitor;
+
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.graphix.lang.expression.GraphConstructor;
+import org.apache.asterix.graphix.lang.statement.CreateGraphStatement;
+import org.apache.asterix.graphix.lang.statement.GraphDropStatement;
+import org.apache.asterix.graphix.lang.statement.GraphElementDecl;
+import org.apache.asterix.lang.common.visitor.base.ILangVisitor;
+
+public interface IGraphixLangVisitor<R, T> extends ILangVisitor<R, T> {
+ R visit(GraphConstructor gc, T arg) throws CompilationException;
+
+ R visit(GraphConstructor.VertexElement ve, T arg) throws CompilationException;
+
+ R visit(GraphConstructor.EdgeElement ee, T arg) throws CompilationException;
+
+ R visit(CreateGraphStatement cgs, T arg) throws CompilationException;
+
+ R visit(GraphElementDecl gel, T arg) throws CompilationException;
+
+ R visit(GraphDropStatement gds, T arg) throws CompilationException;
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/CreateGraphStatement.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/CreateGraphStatement.java
new file mode 100644
index 0000000..866e2f2
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/CreateGraphStatement.java
@@ -0,0 +1,110 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.statement;
+
+import java.util.List;
+
+import org.apache.asterix.algebra.extension.ExtensionStatement;
+import org.apache.asterix.app.translator.QueryTranslator;
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.graphix.lang.expression.GraphConstructor;
+import org.apache.asterix.graphix.lang.rewrites.visitor.IGraphixLangVisitor;
+import org.apache.asterix.graphix.lang.util.GraphStatementHandlingUtil;
+import org.apache.asterix.lang.common.visitor.base.ILangVisitor;
+import org.apache.asterix.metadata.declared.MetadataProvider;
+import org.apache.asterix.translator.IRequestParameters;
+import org.apache.asterix.translator.IStatementExecutor;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class CreateGraphStatement extends ExtensionStatement {
+ private final GraphConstructor graphConstructor;
+ private final DataverseName dataverseName;
+ private final String graphName;
+ private final boolean replaceIfExists;
+ private final boolean ifNotExists;
+
+ public CreateGraphStatement(DataverseName dataverseName, String graphName, boolean replaceIfExists,
+ boolean ifNotExists, GraphConstructor graphConstructor) {
+ this.dataverseName = dataverseName;
+ this.graphName = graphName;
+ this.replaceIfExists = replaceIfExists;
+ this.ifNotExists = ifNotExists;
+ this.graphConstructor = graphConstructor;
+ }
+
+ public DataverseName getDataverseName() {
+ return dataverseName;
+ }
+
+ public String getGraphName() {
+ return graphName;
+ }
+
+ public boolean isReplaceIfExists() {
+ return replaceIfExists;
+ }
+
+ public boolean isIfNotExists() {
+ return ifNotExists;
+ }
+
+ public List<GraphConstructor.VertexElement> getVertexElements() {
+ return graphConstructor.getVertexElements();
+ }
+
+ public List<GraphConstructor.EdgeElement> getEdgeElements() {
+ return graphConstructor.getEdgeElements();
+ }
+
+ @Override
+ public <R, T> R accept(ILangVisitor<R, T> visitor, T arg) throws CompilationException {
+ return ((IGraphixLangVisitor<R, T>) visitor).visit(this, arg);
+ }
+
+ @Override
+ public byte getCategory() {
+ return Category.DDL;
+ }
+
+ @Override
+ public String getName() {
+ return CreateGraphStatement.class.getName();
+ }
+
+ @Override
+ public void handle(IHyracksClientConnection hcc, IStatementExecutor statementExecutor,
+ IRequestParameters requestParameters, MetadataProvider metadataProvider, int resultSetId) throws Exception {
+ metadataProvider.validateDatabaseObjectName(dataverseName, graphName, this.getSourceLocation());
+ DataverseName activeDataverseName = statementExecutor.getActiveDataverseName(this.dataverseName);
+ GraphStatementHandlingUtil.acquireGraphWriteLocks(metadataProvider, activeDataverseName, graphName);
+ try {
+ GraphStatementHandlingUtil.handleCreateGraph(this, metadataProvider, statementExecutor,
+ activeDataverseName);
+
+ } catch (Exception e) {
+ QueryTranslator.abort(e, e, metadataProvider.getMetadataTxnContext());
+ throw HyracksDataException.create(e);
+
+ } finally {
+ metadataProvider.getLocks().unlock();
+ }
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/GraphDropStatement.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/GraphDropStatement.java
new file mode 100644
index 0000000..e9e8255
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/GraphDropStatement.java
@@ -0,0 +1,90 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.statement;
+
+import org.apache.asterix.algebra.extension.ExtensionStatement;
+import org.apache.asterix.app.translator.QueryTranslator;
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.graphix.lang.rewrites.visitor.IGraphixLangVisitor;
+import org.apache.asterix.graphix.lang.util.GraphStatementHandlingUtil;
+import org.apache.asterix.lang.common.visitor.base.ILangVisitor;
+import org.apache.asterix.metadata.declared.MetadataProvider;
+import org.apache.asterix.translator.IRequestParameters;
+import org.apache.asterix.translator.IStatementExecutor;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+
+public class GraphDropStatement extends ExtensionStatement {
+ private final DataverseName dataverseName;
+ private final String graphName;
+ private final boolean ifExists;
+
+ public GraphDropStatement(DataverseName dataverseName, String graphName, boolean ifExists) {
+ this.dataverseName = dataverseName;
+ this.graphName = graphName;
+ this.ifExists = ifExists;
+ }
+
+ public DataverseName getDataverseName() {
+ return dataverseName;
+ }
+
+ public String getGraphName() {
+ return graphName;
+ }
+
+ public boolean getIfExists() {
+ return ifExists;
+ }
+
+ @Override
+ public byte getCategory() {
+ return Category.DDL;
+ }
+
+ @Override
+ public <R, T> R accept(ILangVisitor<R, T> visitor, T arg) throws CompilationException {
+ return ((IGraphixLangVisitor<R, T>) visitor).visit(this, arg);
+ }
+
+ @Override
+ public String getName() {
+ return GraphDropStatement.class.getName();
+ }
+
+ @Override
+ public void handle(IHyracksClientConnection hcc, IStatementExecutor statementExecutor,
+ IRequestParameters requestParameters, MetadataProvider metadataProvider, int resultSetId) throws Exception {
+ metadataProvider.validateDatabaseObjectName(dataverseName, graphName, this.getSourceLocation());
+ DataverseName activeDataverseName = statementExecutor.getActiveDataverseName(this.dataverseName);
+ GraphStatementHandlingUtil.acquireGraphWriteLocks(metadataProvider, activeDataverseName, graphName);
+ try {
+ // TODO (GLENN): Determine how to handle functions and views that depend on graphs.
+ GraphStatementHandlingUtil.handleGraphDrop(this, metadataProvider, activeDataverseName);
+
+ } catch (Exception e) {
+ QueryTranslator.abort(e, e, metadataProvider.getMetadataTxnContext());
+ throw HyracksDataException.create(e);
+
+ } finally {
+ metadataProvider.getLocks().unlock();
+ }
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/GraphElementDecl.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/GraphElementDecl.java
new file mode 100644
index 0000000..c5e87de
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/statement/GraphElementDecl.java
@@ -0,0 +1,85 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.statement;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
+import org.apache.asterix.algebra.extension.ExtensionStatement;
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.common.exceptions.ErrorCode;
+import org.apache.asterix.graphix.common.metadata.GraphElementIdentifier;
+import org.apache.asterix.graphix.common.metadata.GraphIdentifier;
+import org.apache.asterix.graphix.lang.rewrites.visitor.IGraphixLangVisitor;
+import org.apache.asterix.lang.common.base.Expression;
+import org.apache.asterix.lang.common.visitor.base.ILangVisitor;
+import org.apache.asterix.metadata.declared.MetadataProvider;
+import org.apache.asterix.translator.IRequestParameters;
+import org.apache.asterix.translator.IStatementExecutor;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+
+public final class GraphElementDecl extends ExtensionStatement {
+ private final GraphElementIdentifier identifier;
+ private final List<Expression> bodies = new ArrayList<>();
+ private final List<Expression> normalizedBodies = new ArrayList<>();
+
+ public GraphElementDecl(GraphElementIdentifier identifier, Expression body) {
+ this.identifier = Objects.requireNonNull(identifier);
+ this.bodies.add(Objects.requireNonNull(body));
+ }
+
+ public GraphElementIdentifier getIdentifier() {
+ return identifier;
+ }
+
+ public GraphIdentifier getGraphIdentifier() {
+ return identifier.getGraphIdentifier();
+ }
+
+ public List<Expression> getBodies() {
+ return bodies;
+ }
+
+ public List<Expression> getNormalizedBodies() {
+ return normalizedBodies;
+ }
+
+ @Override
+ public byte getCategory() {
+ return Category.QUERY;
+ }
+
+ @Override
+ public <R, T> R accept(ILangVisitor<R, T> visitor, T arg) throws CompilationException {
+ return ((IGraphixLangVisitor<R, T>) visitor).visit(this, arg);
+ }
+
+ @Override
+ public String getName() {
+ return GraphElementDecl.class.getName();
+ }
+
+ @Override
+ public void handle(IHyracksClientConnection hcc, IStatementExecutor statementExecutor,
+ IRequestParameters requestParameters, MetadataProvider metadataProvider, int resultSetId) throws Exception {
+ throw new CompilationException(ErrorCode.COMPILATION_ILLEGAL_STATE, getSourceLocation(),
+ "Handling a GraphElementDecl (this should not be possible).");
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/util/GraphStatementHandlingUtil.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/util/GraphStatementHandlingUtil.java
new file mode 100644
index 0000000..1d7d0da
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/util/GraphStatementHandlingUtil.java
@@ -0,0 +1,226 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.lang.util;
+
+import java.rmi.RemoteException;
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+import org.apache.asterix.common.api.IMetadataLockManager;
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.common.exceptions.ErrorCode;
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.graphix.app.translator.GraphixQueryTranslator;
+import org.apache.asterix.graphix.common.metadata.GraphElementIdentifier;
+import org.apache.asterix.graphix.common.metadata.GraphIdentifier;
+import org.apache.asterix.graphix.extension.GraphixMetadataExtension;
+import org.apache.asterix.graphix.lang.expression.GraphConstructor;
+import org.apache.asterix.graphix.lang.rewrites.GraphixQueryRewriter;
+import org.apache.asterix.graphix.lang.statement.CreateGraphStatement;
+import org.apache.asterix.graphix.lang.statement.GraphDropStatement;
+import org.apache.asterix.graphix.lang.statement.GraphElementDecl;
+import org.apache.asterix.graphix.metadata.entities.Graph;
+import org.apache.asterix.graphix.metadata.entities.GraphDependencies;
+import org.apache.asterix.lang.common.base.Expression;
+import org.apache.asterix.metadata.MetadataManager;
+import org.apache.asterix.metadata.MetadataTransactionContext;
+import org.apache.asterix.metadata.declared.MetadataProvider;
+import org.apache.asterix.metadata.entities.Dataverse;
+import org.apache.asterix.translator.IStatementExecutor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+
+public final class GraphStatementHandlingUtil {
+ public static void acquireGraphWriteLocks(MetadataProvider metadataProvider, DataverseName activeDataverseName,
+ String graphName) throws AlgebricksException {
+ // Acquire a READ lock on our dataverse and a WRITE lock on our graph.
+ IMetadataLockManager metadataLockManager = metadataProvider.getApplicationContext().getMetadataLockManager();
+ metadataLockManager.acquireDataverseReadLock(metadataProvider.getLocks(), activeDataverseName);
+ metadataLockManager.acquireExtensionEntityWriteLock(metadataProvider.getLocks(),
+ GraphixMetadataExtension.GRAPHIX_METADATA_EXTENSION_ID.getName(), activeDataverseName, graphName);
+ }
+
+ public static void handleCreateGraph(CreateGraphStatement cgs, MetadataProvider metadataProvider,
+ IStatementExecutor statementExecutor, DataverseName activeDataverseName) throws Exception {
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+
+ // Ensure that our active dataverse exists.
+ Dataverse dv = MetadataManager.INSTANCE.getDataverse(mdTxnCtx, activeDataverseName);
+ if (dv == null) {
+ throw new CompilationException(ErrorCode.UNKNOWN_DATAVERSE, cgs.getSourceLocation(), activeDataverseName);
+ }
+
+ // If a graph already exists, skip.
+ Graph existingGraph = GraphixMetadataExtension.getGraph(mdTxnCtx, activeDataverseName, cgs.getGraphName());
+ if (existingGraph != null) {
+ if (cgs.isIfNotExists()) {
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ return;
+
+ } else if (!cgs.isReplaceIfExists()) {
+ throw new CompilationException(ErrorCode.COMPILATION_ERROR, cgs.getSourceLocation(),
+ "Graph " + existingGraph.getGraphName() + " already exists.");
+ }
+ }
+
+ // Build the graph schema.
+ GraphIdentifier graphIdentifier = new GraphIdentifier(activeDataverseName, cgs.getGraphName());
+ Graph.Schema.Builder schemaBuilder = new Graph.Schema.Builder(graphIdentifier);
+ Map<GraphElementIdentifier, GraphElementDecl> graphElementDecls = new LinkedHashMap<>();
+ for (GraphConstructor.VertexElement vertex : cgs.getVertexElements()) {
+ Graph.Vertex schemaVertex =
+ schemaBuilder.addVertex(vertex.getLabel(), vertex.getPrimaryKeyFields(), vertex.getDefinition());
+ switch (schemaBuilder.getLastError()) {
+ case NO_ERROR:
+ GraphElementIdentifier id = schemaVertex.getIdentifier();
+ if (graphElementDecls.containsKey(id)) {
+ graphElementDecls.get(id).getBodies().add(vertex.getExpression());
+
+ } else {
+ GraphElementDecl decl = new GraphElementDecl(id, vertex.getExpression());
+ decl.setSourceLocation(vertex.getSourceLocation());
+ graphElementDecls.put(schemaVertex.getIdentifier(), decl);
+ }
+ break;
+
+ case CONFLICTING_PRIMARY_KEY:
+ throw new CompilationException(ErrorCode.COMPILATION_ERROR, vertex.getSourceLocation(),
+ "Conflicting primary keys for vertices with label " + vertex.getLabel());
+
+ default:
+ throw new CompilationException(ErrorCode.COMPILATION_ILLEGAL_STATE, vertex.getSourceLocation(),
+ "Schema vertex was not returned, but the error is not a conflicting primary key!");
+ }
+ }
+ for (GraphConstructor.EdgeElement edge : cgs.getEdgeElements()) {
+ Graph.Edge schemaEdge;
+ if (edge.getDefinition() == null) {
+ schemaEdge = schemaBuilder.addEdge(edge.getEdgeLabel(), edge.getDestinationLabel(),
+ edge.getSourceLabel(), edge.getDestinationKeyFields());
+
+ } else {
+ schemaEdge = schemaBuilder.addEdge(edge.getEdgeLabel(), edge.getDestinationLabel(),
+ edge.getSourceLabel(), edge.getPrimaryKeyFields(), edge.getDestinationKeyFields(),
+ edge.getSourceKeyFields(), edge.getDefinition());
+ }
+
+ switch (schemaBuilder.getLastError()) {
+ case NO_ERROR:
+ if (edge.getDefinition() != null) {
+ GraphElementIdentifier id = schemaEdge.getIdentifier();
+ if (graphElementDecls.containsKey(id)) {
+ graphElementDecls.get(id).getBodies().add(edge.getExpression());
+
+ } else {
+ GraphElementDecl decl = new GraphElementDecl(id, edge.getExpression());
+ decl.setSourceLocation(edge.getSourceLocation());
+ graphElementDecls.put(id, decl);
+ }
+ }
+ break;
+
+ case SOURCE_VERTEX_NOT_FOUND:
+ throw new CompilationException(ErrorCode.COMPILATION_ERROR, edge.getSourceLocation(),
+ "Source vertex " + edge.getSourceLabel() + " not found in the edge " + edge.getEdgeLabel()
+ + ".");
+
+ case DESTINATION_VERTEX_NOT_FOUND:
+ throw new CompilationException(ErrorCode.COMPILATION_ERROR, edge.getSourceLocation(),
+ "Destination vertex " + edge.getDestinationLabel() + " not found in the edge "
+ + edge.getEdgeLabel() + ".");
+
+ case CONFLICTING_PRIMARY_KEY:
+ case CONFLICTING_SOURCE_VERTEX:
+ case CONFLICTING_DESTINATION_VERTEX:
+ throw new CompilationException(ErrorCode.COMPILATION_ERROR, edge.getSourceLocation(),
+ "Conflicting edge with the same label found: " + edge.getEdgeLabel());
+
+ default:
+ throw new CompilationException(ErrorCode.COMPILATION_ILLEGAL_STATE, edge.getSourceLocation(),
+ "Schema edge was not returned, and an unexpected error encountered");
+ }
+ }
+
+ // Verify that each element definition is usable.
+ GraphixQueryRewriter graphixQueryRewriter = ((GraphixQueryTranslator) statementExecutor).getQueryRewriter();
+ metadataProvider.setDefaultDataverse(dv);
+ for (GraphElementDecl graphElementDecl : graphElementDecls.values()) {
+ ((GraphixQueryTranslator) statementExecutor).setGraphElementNormalizedBody(metadataProvider,
+ graphElementDecl, graphixQueryRewriter);
+ }
+
+ // Build our dependencies (collected over all graph element bodies).
+ GraphDependencies graphDependencies = new GraphDependencies();
+ for (GraphElementDecl graphElementDecl : graphElementDecls.values()) {
+ if (graphElementDecl.getNormalizedBodies().size() != graphElementDecl.getBodies().size()) {
+ // We should have set the normalized body by calling {@code normalizeGraphElementAsQuery} beforehand.
+ throw new CompilationException(ErrorCode.COMPILATION_ILLEGAL_STATE,
+ graphElementDecl.getSourceLocation(), "Normalized body not found!");
+ }
+ for (Expression normalizedBody : graphElementDecl.getNormalizedBodies()) {
+ graphDependencies.collectDependencies(normalizedBody, graphixQueryRewriter);
+ }
+ }
+
+ // Add / upsert our graph to our metadata.
+ Graph newGraph = new Graph(graphIdentifier, schemaBuilder.build(), graphDependencies);
+ if (existingGraph == null) {
+ MetadataManager.INSTANCE.addEntity(mdTxnCtx, newGraph);
+
+ } else {
+ MetadataManager.INSTANCE.upsertEntity(mdTxnCtx, newGraph);
+ }
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ }
+
+ public static void handleGraphDrop(GraphDropStatement gds, MetadataProvider metadataProvider,
+ DataverseName activeDataverseName) throws RemoteException, AlgebricksException {
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+
+ // Verify that our active dataverse exists.
+ Dataverse dataverse = MetadataManager.INSTANCE.getDataverse(mdTxnCtx, activeDataverseName);
+ if (dataverse == null) {
+ if (gds.getIfExists()) {
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ return;
+
+ } else {
+ throw new CompilationException(ErrorCode.UNKNOWN_DATAVERSE, gds.getSourceLocation(),
+ activeDataverseName);
+ }
+ }
+
+ // Verify that our graph exists. If it does not, skip.
+ Graph graph = GraphixMetadataExtension.getGraph(mdTxnCtx, activeDataverseName, gds.getGraphName());
+ if (graph == null) {
+ if (gds.getIfExists()) {
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ return;
+
+ } else {
+ throw new CompilationException(ErrorCode.COMPILATION_ERROR, gds.getSourceLocation(),
+ "Graph " + gds.getGraphName() + " does not exist.");
+ }
+ }
+
+ MetadataManager.INSTANCE.deleteEntity(mdTxnCtx, graph);
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/bootstrap/GraphixMetadataIndexes.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/bootstrap/GraphixMetadataIndexes.java
new file mode 100644
index 0000000..c2e7770
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/bootstrap/GraphixMetadataIndexes.java
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.metadata.bootstrap;
+
+import static org.apache.asterix.metadata.bootstrap.MetadataRecordTypes.FIELD_NAME_DATAVERSE_NAME;
+
+import java.util.Arrays;
+import java.util.Collections;
+
+import org.apache.asterix.common.metadata.MetadataIndexImmutableProperties;
+import org.apache.asterix.graphix.extension.GraphixMetadataExtension;
+import org.apache.asterix.graphix.metadata.entities.Graph;
+import org.apache.asterix.graphix.metadata.entitytupletranslators.GraphTupleTranslator;
+import org.apache.asterix.metadata.api.ExtensionMetadataDataset;
+import org.apache.asterix.metadata.api.ExtensionMetadataDatasetId;
+import org.apache.asterix.metadata.api.IMetadataEntityTupleTranslatorFactory;
+import org.apache.asterix.om.types.BuiltinType;
+import org.apache.asterix.om.types.IAType;
+
+public class GraphixMetadataIndexes {
+ public static final String METADATA_DATASET_NAME_GRAPH = "Graph";
+
+ public static final ExtensionMetadataDatasetId GRAPH_METADATA_DATASET_EXTENSION_ID = new ExtensionMetadataDatasetId(
+ GraphixMetadataExtension.GRAPHIX_METADATA_EXTENSION_ID, METADATA_DATASET_NAME_GRAPH);
+
+ public static final MetadataIndexImmutableProperties PROPERTIES_GRAPH_METADATA_DATASET =
+ new MetadataIndexImmutableProperties(METADATA_DATASET_NAME_GRAPH,
+ MetadataIndexImmutableProperties.FIRST_AVAILABLE_EXTENSION_METADATA_DATASET_ID,
+ MetadataIndexImmutableProperties.FIRST_AVAILABLE_EXTENSION_METADATA_DATASET_ID);
+
+ public static final ExtensionMetadataDataset<Graph> GRAPH_DATASET = new ExtensionMetadataDataset<>(
+ PROPERTIES_GRAPH_METADATA_DATASET, 3, new IAType[] { BuiltinType.ASTRING, BuiltinType.ASTRING },
+ Arrays.asList(Collections.singletonList(FIELD_NAME_DATAVERSE_NAME),
+ Collections.singletonList(GraphixMetadataRecordTypes.FIELD_NAME_GRAPH_NAME)),
+ 0, GraphixMetadataRecordTypes.GRAPH_RECORDTYPE, true, new int[] { 0, 1 },
+ GRAPH_METADATA_DATASET_EXTENSION_ID,
+ (IMetadataEntityTupleTranslatorFactory<Graph>) GraphTupleTranslator::new);
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/bootstrap/GraphixMetadataRecordTypes.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/bootstrap/GraphixMetadataRecordTypes.java
new file mode 100644
index 0000000..055056d
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/bootstrap/GraphixMetadataRecordTypes.java
@@ -0,0 +1,86 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.metadata.bootstrap;
+
+import static org.apache.asterix.metadata.bootstrap.MetadataRecordTypes.FIELD_NAME_DATAVERSE_NAME;
+import static org.apache.asterix.metadata.bootstrap.MetadataRecordTypes.FIELD_NAME_DEPENDENCIES;
+import static org.apache.asterix.metadata.bootstrap.MetadataRecordTypes.FIELD_NAME_PRIMARY_KEY;
+
+import org.apache.asterix.metadata.bootstrap.MetadataRecordTypes;
+import org.apache.asterix.om.types.AOrderedListType;
+import org.apache.asterix.om.types.ARecordType;
+import org.apache.asterix.om.types.BuiltinType;
+import org.apache.asterix.om.types.IAType;
+
+public final class GraphixMetadataRecordTypes {
+ public static final String RECORD_NAME_GRAPH = "GraphRecordType";
+ public static final String RECORD_NAME_VERTICES = "VerticesRecordType";
+ public static final String RECORD_NAME_EDGES = "EdgesRecordType";
+
+ public static final String FIELD_NAME_DEFINITIONS = "Definitions";
+ public static final String FIELD_NAME_DESTINATION_KEY = "DestinationKey";
+ public static final String FIELD_NAME_DESTINATION_LABEL = "DestinationLabel";
+ public static final String FIELD_NAME_EDGES = "Edges";
+ public static final String FIELD_NAME_GRAPH_NAME = "GraphName";
+ public static final String FIELD_NAME_LABEL = "Label";
+ public static final String FIELD_NAME_SOURCE_KEY = "SourceKey";
+ public static final String FIELD_NAME_SOURCE_LABEL = "SourceLabel";
+ public static final String FIELD_NAME_VERTICES = "Vertices";
+
+ public static final int GRAPH_VERTICES_ARECORD_LABEL_FIELD_INDEX = 0;
+ public static final int GRAPH_VERTICES_ARECORD_PRIMARY_KEY_FIELD_INDEX = 1;
+ public static final int GRAPH_VERTICES_ARECORD_DEFINITIONS_FIELD_INDEX = 2;
+ public static final ARecordType VERTICES_RECORDTYPE = MetadataRecordTypes.createRecordType(RECORD_NAME_VERTICES,
+ new String[] { FIELD_NAME_LABEL, FIELD_NAME_PRIMARY_KEY, FIELD_NAME_DEFINITIONS },
+ new IAType[] { BuiltinType.ASTRING,
+ new AOrderedListType(new AOrderedListType(BuiltinType.ASTRING, null), null),
+ new AOrderedListType(BuiltinType.ASTRING, null) },
+ true);
+
+ public static final int GRAPH_EDGES_ARECORD_LABEL_FIELD_INDEX = 0;
+ public static final int GRAPH_EDGES_ARECORD_DEST_LABEL_FIELD_INDEX = 1;
+ public static final int GRAPH_EDGES_ARECORD_SOURCE_LABEL_FIELD_INDEX = 2;
+ public static final int GRAPH_EDGES_ARECORD_PRIMARY_KEY_FIELD_INDEX = 3;
+ public static final int GRAPH_EDGES_ARECORD_DEST_KEY_FIELD_INDEX = 4;
+ public static final int GRAPH_EDGES_ARECORD_SOURCE_KEY_FIELD_INDEX = 5;
+ public static final int GRAPH_EDGES_ARECORD_DEFINITIONS_FIELD_INDEX = 6;
+ public static final ARecordType EDGES_RECORDTYPE = MetadataRecordTypes.createRecordType(RECORD_NAME_EDGES,
+ new String[] { FIELD_NAME_LABEL, FIELD_NAME_DESTINATION_LABEL, FIELD_NAME_SOURCE_LABEL,
+ FIELD_NAME_PRIMARY_KEY, FIELD_NAME_DESTINATION_KEY, FIELD_NAME_SOURCE_KEY, FIELD_NAME_DEFINITIONS },
+ new IAType[] { BuiltinType.ASTRING, BuiltinType.ASTRING, BuiltinType.ASTRING,
+ new AOrderedListType(new AOrderedListType(BuiltinType.ASTRING, null), null),
+ new AOrderedListType(new AOrderedListType(BuiltinType.ASTRING, null), null),
+ new AOrderedListType(new AOrderedListType(BuiltinType.ASTRING, null), null),
+ new AOrderedListType(BuiltinType.ASTRING, null) },
+ true);
+
+ public static final int GRAPH_ARECORD_DATAVERSENAME_FIELD_INDEX = 0;
+ public static final int GRAPH_ARECORD_GRAPHNAME_FIELD_INDEX = 1;
+ public static final int GRAPH_ARECORD_DEPENDENCIES_FIELD_INDEX = 2;
+ public static final int GRAPH_ARECORD_VERTICES_FIELD_INDEX = 3;
+ public static final int GRAPH_ARECORD_EDGES_FIELD_INDEX = 4;
+ public static final ARecordType GRAPH_RECORDTYPE = MetadataRecordTypes.createRecordType(RECORD_NAME_GRAPH,
+ new String[] { FIELD_NAME_DATAVERSE_NAME, FIELD_NAME_GRAPH_NAME, FIELD_NAME_DEPENDENCIES,
+ FIELD_NAME_VERTICES, FIELD_NAME_EDGES },
+ new IAType[] { BuiltinType.ASTRING, BuiltinType.ASTRING,
+ new AOrderedListType(new AOrderedListType(new AOrderedListType(BuiltinType.ASTRING, null), null),
+ null),
+ new AOrderedListType(VERTICES_RECORDTYPE, null), new AOrderedListType(EDGES_RECORDTYPE, null) },
+ true);
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entities/Graph.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entities/Graph.java
new file mode 100644
index 0000000..21afc2d
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entities/Graph.java
@@ -0,0 +1,348 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.metadata.entities;
+
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.graphix.common.metadata.GraphElementIdentifier;
+import org.apache.asterix.graphix.common.metadata.GraphIdentifier;
+import org.apache.asterix.graphix.metadata.bootstrap.GraphixMetadataIndexes;
+import org.apache.asterix.metadata.api.ExtensionMetadataDatasetId;
+import org.apache.asterix.metadata.api.IExtensionMetadataEntity;
+
+/**
+ * Metadata describing a graph view, composed of vertices and edges.
+ */
+public class Graph implements IExtensionMetadataEntity {
+ private static final long serialVersionUID = 1L;
+
+ private final GraphIdentifier identifier;
+ private final GraphDependencies dependencies;
+ private final Schema graphSchema;
+
+ public Graph(GraphIdentifier identifier, Schema graphSchema, GraphDependencies dependencies) {
+ this.identifier = Objects.requireNonNull(identifier);
+ this.dependencies = dependencies;
+ this.graphSchema = graphSchema;
+ }
+
+ public DataverseName getDataverseName() {
+ return identifier.getDataverseName();
+ }
+
+ public String getGraphName() {
+ return identifier.getGraphName();
+ }
+
+ public GraphIdentifier getIdentifier() {
+ return identifier;
+ }
+
+ public Schema getGraphSchema() {
+ return graphSchema;
+ }
+
+ public GraphDependencies getDependencies() {
+ return dependencies;
+ }
+
+ @Override
+ public ExtensionMetadataDatasetId getDatasetId() {
+ return GraphixMetadataIndexes.GRAPH_METADATA_DATASET_EXTENSION_ID;
+ }
+
+ public static class Schema implements Serializable {
+ private static final long serialVersionUID = 1L;
+
+ // The element map is composed of the vertices and edges.
+ private final Map<GraphElementIdentifier, Element> elementMap = new HashMap<>();
+ private final List<Vertex> vertexList = new ArrayList<>();
+ private final List<Edge> edgeList = new ArrayList<>();
+
+ public List<Vertex> getVertices() {
+ return vertexList;
+ }
+
+ public List<Edge> getEdges() {
+ return edgeList;
+ }
+
+ public Element getElement(GraphElementIdentifier identifier) {
+ return elementMap.get(identifier);
+ }
+
+ private Schema() {
+ }
+
+ public static class Builder {
+ private final Map<String, Vertex> vertexLabelMap = new HashMap<>();
+ private final Map<String, Edge> edgeLabelMap = new HashMap<>();
+
+ // We aim to populate the schema object below.
+ private final Schema workingSchema = new Schema();
+ private final GraphIdentifier graphIdentifier;
+ private Error lastError = Error.NO_ERROR;
+
+ public Builder(GraphIdentifier graphIdentifier) {
+ this.graphIdentifier = graphIdentifier;
+ }
+
+ /**
+ * @return Null if the primary keys of an existing vertex conflict with the vertex to-be-added. The vertex
+ * to-be-added otherwise.
+ */
+ public Vertex addVertex(String labelName, List<List<String>> primaryKeyFieldNames, String definition) {
+ if (!vertexLabelMap.containsKey(labelName)) {
+ GraphElementIdentifier identifier =
+ new GraphElementIdentifier(graphIdentifier, GraphElementIdentifier.Kind.VERTEX, labelName);
+ Vertex newVertex = new Vertex(identifier, primaryKeyFieldNames, definition);
+ workingSchema.vertexList.add(newVertex);
+ vertexLabelMap.put(labelName, newVertex);
+ return newVertex;
+
+ } else {
+ Vertex existingVertex = vertexLabelMap.get(labelName);
+ if (!existingVertex.getPrimaryKeyFieldNames().equals(primaryKeyFieldNames)) {
+ lastError = Error.CONFLICTING_PRIMARY_KEY;
+ return null;
+ }
+ existingVertex.getDefinitions().add(definition);
+ return existingVertex;
+ }
+ }
+
+ /**
+ * @return Null if there exists no vertex with the given source label or destination label, OR if the
+ * primary key / source vertex / destination vertex of an existing edge conflict with the edge to-be-added.
+ */
+ public Edge addEdge(String edgeLabelName, String destinationLabelName, String sourceLabelName,
+ List<List<String>> destinationKeyFieldNames) {
+ if (!vertexLabelMap.containsKey(sourceLabelName)) {
+ lastError = Error.SOURCE_VERTEX_NOT_FOUND;
+ return null;
+ }
+
+ Vertex representativeSourceVertex = vertexLabelMap.get(sourceLabelName);
+ return addEdge(edgeLabelName, destinationLabelName, sourceLabelName,
+ representativeSourceVertex.getPrimaryKeyFieldNames(), destinationKeyFieldNames,
+ representativeSourceVertex.getPrimaryKeyFieldNames(), "");
+ }
+
+ /**
+ * @return Null if there exists no vertex with the given source label or destination label, OR if the
+ * primary key / source vertex / destination vertex of an existing edge conflict with the edge to-be-added.
+ */
+ public Edge addEdge(String edgeLabelName, String destinationLabelName, String sourceLabelName,
+ List<List<String>> primaryKeyFieldNames, List<List<String>> destinationKeyFieldNames,
+ List<List<String>> sourceKeyFieldNames, String definition) {
+ if (!vertexLabelMap.containsKey(sourceLabelName)) {
+ lastError = Error.SOURCE_VERTEX_NOT_FOUND;
+ return null;
+
+ } else if (!vertexLabelMap.containsKey(destinationLabelName)) {
+ lastError = Error.DESTINATION_VERTEX_NOT_FOUND;
+ return null;
+
+ } else if (edgeLabelMap.containsKey(edgeLabelName)) {
+ Edge existingEdge = edgeLabelMap.get(edgeLabelName);
+ if (!existingEdge.getPrimaryKeyFieldNames().equals(primaryKeyFieldNames)) {
+ lastError = Error.CONFLICTING_PRIMARY_KEY;
+ return null;
+
+ } else if (!existingEdge.getSourceLabelName().equals(sourceLabelName)) {
+ // This also covers any source-key conflicts.
+ lastError = Error.CONFLICTING_SOURCE_VERTEX;
+ return null;
+
+ } else if (!existingEdge.getDestinationLabelName().equals(destinationLabelName)) {
+ // This also covers any destination-key conflicts.
+ lastError = Error.CONFLICTING_DESTINATION_VERTEX;
+ return null;
+ }
+ existingEdge.getDefinitions().add(definition);
+ return existingEdge;
+
+ } else {
+ GraphElementIdentifier identifier = new GraphElementIdentifier(graphIdentifier,
+ GraphElementIdentifier.Kind.EDGE, edgeLabelName);
+ Edge newEdge = new Edge(identifier, primaryKeyFieldNames, destinationKeyFieldNames,
+ sourceKeyFieldNames, vertexLabelMap.get(destinationLabelName),
+ vertexLabelMap.get(sourceLabelName), definition);
+ workingSchema.edgeList.add(newEdge);
+ edgeLabelMap.put(edgeLabelName, newEdge);
+ return newEdge;
+ }
+ }
+
+ public Schema build() {
+ // Build the element map, composed of our vertices and edges.
+ workingSchema.elementMap.clear();
+ workingSchema.getVertices().forEach(v -> workingSchema.elementMap.put(v.identifier, v));
+ workingSchema.getEdges().forEach(e -> workingSchema.elementMap.put(e.identifier, e));
+ return workingSchema;
+ }
+
+ public Error getLastError() {
+ return lastError;
+ }
+
+ public enum Error {
+ NO_ERROR,
+
+ CONFLICTING_PRIMARY_KEY,
+ CONFLICTING_SOURCE_VERTEX,
+ CONFLICTING_DESTINATION_VERTEX,
+
+ SOURCE_VERTEX_NOT_FOUND,
+ DESTINATION_VERTEX_NOT_FOUND
+ }
+ }
+ }
+
+ public static final class Vertex implements Element {
+ private static final long serialVersionUID = 1L;
+
+ private final GraphElementIdentifier identifier;
+ private final List<List<String>> primaryKeyFieldNames;
+ private final List<String> definitions;
+
+ private Vertex(GraphElementIdentifier identifier, List<List<String>> primaryKeyFieldNames, String definition) {
+ this.identifier = Objects.requireNonNull(identifier);
+ this.primaryKeyFieldNames = Objects.requireNonNull(primaryKeyFieldNames);
+ this.definitions = new ArrayList<>();
+ this.definitions.add(Objects.requireNonNull(definition));
+ }
+
+ public List<List<String>> getPrimaryKeyFieldNames() {
+ return primaryKeyFieldNames;
+ }
+
+ @Override
+ public GraphElementIdentifier getIdentifier() {
+ return identifier;
+ }
+
+ @Override
+ public String getLabelName() {
+ return identifier.getLabelName();
+ }
+
+ @Override
+ public List<String> getDefinitions() {
+ return definitions;
+ }
+
+ @Override
+ public String toString() {
+ return "(:" + getLabelName() + ") AS " + String.join(",\n", definitions);
+ }
+ }
+
+ public static final class Edge implements Element {
+ private static final long serialVersionUID = 1L;
+
+ private final List<List<String>> primaryKeyFieldNames;
+ private final List<List<String>> destinationKeyFieldNames;
+ private final List<List<String>> sourceKeyFieldNames;
+
+ private final GraphElementIdentifier identifier;
+ private final Vertex destinationVertex;
+ private final Vertex sourceVertex;
+ private final List<String> definitions;
+
+ private Edge(GraphElementIdentifier identifier, List<List<String>> primaryKeyFieldNames,
+ List<List<String>> destinationKeyFieldNames, List<List<String>> sourceKeyFieldNames,
+ Vertex destinationVertex, Vertex sourceVertex, String edgeDefinition) {
+ this.primaryKeyFieldNames = Objects.requireNonNull(primaryKeyFieldNames);
+ this.destinationKeyFieldNames = Objects.requireNonNull(destinationKeyFieldNames);
+ this.sourceKeyFieldNames = Objects.requireNonNull(sourceKeyFieldNames);
+ this.destinationVertex = Objects.requireNonNull(destinationVertex);
+ this.sourceVertex = Objects.requireNonNull(sourceVertex);
+ this.identifier = Objects.requireNonNull(identifier);
+ this.definitions = new ArrayList<>();
+ this.definitions.add(Objects.requireNonNull(edgeDefinition));
+ }
+
+ public String getDestinationLabelName() {
+ return destinationVertex.getLabelName();
+ }
+
+ public String getSourceLabelName() {
+ return sourceVertex.getLabelName();
+ }
+
+ public List<List<String>> getPrimaryKeyFieldNames() {
+ return primaryKeyFieldNames;
+ }
+
+ public List<List<String>> getDestinationKeyFieldNames() {
+ return destinationKeyFieldNames;
+ }
+
+ public List<List<String>> getSourceKeyFieldNames() {
+ return sourceKeyFieldNames;
+ }
+
+ public Vertex getDestinationVertex() {
+ return destinationVertex;
+ }
+
+ public Vertex getSourceVertex() {
+ return sourceVertex;
+ }
+
+ @Override
+ public GraphElementIdentifier getIdentifier() {
+ return identifier;
+ }
+
+ @Override
+ public String getLabelName() {
+ return identifier.getLabelName();
+ }
+
+ @Override
+ public List<String> getDefinitions() {
+ return definitions;
+ }
+
+ @Override
+ public String toString() {
+ String edgeBodyPattern = "[:" + getLabelName() + "]";
+ String sourceNodePattern = "(:" + getSourceLabelName() + ")";
+ String destinationNodePattern = "(:" + getDestinationLabelName() + ")";
+ String edgePattern = sourceNodePattern + "-" + edgeBodyPattern + "->" + destinationNodePattern;
+ return edgePattern + " AS " + String.join(",\n", getDefinitions());
+ }
+ }
+
+ public interface Element extends Serializable {
+ GraphElementIdentifier getIdentifier();
+
+ String getLabelName();
+
+ List<String> getDefinitions();
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entities/GraphDependencies.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entities/GraphDependencies.java
new file mode 100644
index 0000000..0e7aa5a
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entities/GraphDependencies.java
@@ -0,0 +1,76 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.metadata.entities;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.lang.common.base.Expression;
+import org.apache.asterix.lang.common.base.IQueryRewriter;
+import org.apache.asterix.lang.common.util.ExpressionUtils;
+import org.apache.asterix.metadata.entities.DependencyKind;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.common.utils.Triple;
+
+/**
+ * Helper class to manage dependencies for a graph metadata entity.
+ */
+public class GraphDependencies {
+ private final List<Triple<DataverseName, String, String>> datasetDependencies;
+ private final List<Triple<DataverseName, String, String>> synonymDependencies;
+ private final List<Triple<DataverseName, String, String>> functionDependencies;
+
+ public GraphDependencies(List<List<Triple<DataverseName, String, String>>> listRepresentation) {
+ datasetDependencies = listRepresentation.get(0);
+ synonymDependencies = listRepresentation.get(1);
+ functionDependencies = listRepresentation.get(2);
+ }
+
+ public GraphDependencies() {
+ datasetDependencies = new ArrayList<>();
+ synonymDependencies = new ArrayList<>();
+ functionDependencies = new ArrayList<>();
+ }
+
+ public List<List<Triple<DataverseName, String, String>>> getListRepresentation() {
+ return List.of(datasetDependencies, synonymDependencies, functionDependencies);
+ }
+
+ public Iterator<Pair<DependencyKind, Triple<DataverseName, String, String>>> getIterator() {
+ List<Pair<DependencyKind, Triple<DataverseName, String, String>>> resultant = new ArrayList<>();
+ for (Triple<DataverseName, String, String> datasetDependency : datasetDependencies) {
+ resultant.add(new Pair<>(DependencyKind.DATASET, datasetDependency));
+ }
+ for (Triple<DataverseName, String, String> synonymDependency : synonymDependencies) {
+ resultant.add(new Pair<>(DependencyKind.SYNONYM, synonymDependency));
+ }
+ for (Triple<DataverseName, String, String> functionDependency : functionDependencies) {
+ resultant.add(new Pair<>(DependencyKind.FUNCTION, functionDependency));
+ }
+ return resultant.listIterator();
+ }
+
+ public void collectDependencies(Expression expression, IQueryRewriter queryRewriter) throws CompilationException {
+ ExpressionUtils.collectDependencies(expression, queryRewriter, datasetDependencies, synonymDependencies,
+ functionDependencies);
+ }
+}
diff --git a/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entitytupletranslators/GraphTupleTranslator.java b/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entitytupletranslators/GraphTupleTranslator.java
new file mode 100644
index 0000000..9c83184
--- /dev/null
+++ b/asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entitytupletranslators/GraphTupleTranslator.java
@@ -0,0 +1,437 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.asterix.graphix.metadata.entitytupletranslators;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.asterix.builders.IARecordBuilder;
+import org.apache.asterix.builders.OrderedListBuilder;
+import org.apache.asterix.builders.RecordBuilder;
+import org.apache.asterix.common.exceptions.AsterixException;
+import org.apache.asterix.common.exceptions.ErrorCode;
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.graphix.common.metadata.GraphIdentifier;
+import org.apache.asterix.graphix.metadata.bootstrap.GraphixMetadataIndexes;
+import org.apache.asterix.graphix.metadata.bootstrap.GraphixMetadataRecordTypes;
+import org.apache.asterix.graphix.metadata.entities.Graph;
+import org.apache.asterix.graphix.metadata.entities.GraphDependencies;
+import org.apache.asterix.metadata.entitytupletranslators.AbstractTupleTranslator;
+import org.apache.asterix.om.base.AOrderedList;
+import org.apache.asterix.om.base.ARecord;
+import org.apache.asterix.om.base.AString;
+import org.apache.asterix.om.base.IACursor;
+import org.apache.asterix.om.types.AOrderedListType;
+import org.apache.asterix.om.types.BuiltinType;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Triple;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+
+public class GraphTupleTranslator extends AbstractTupleTranslator<Graph> {
+ // Payload field containing serialized Graph.
+ private static final int GRAPH_PAYLOAD_TUPLE_FIELD_INDEX = 2;
+
+ // For constructing our dependency, edge, and vertex lists.
+ protected OrderedListBuilder listBuilder;
+ protected OrderedListBuilder innerListBuilder;
+ protected OrderedListBuilder nameListBuilder;
+ protected IARecordBuilder subRecordBuilder;
+ protected AOrderedListType stringListList;
+ protected AOrderedListType stringList;
+
+ public GraphTupleTranslator(boolean getTuple) {
+ super(getTuple, GraphixMetadataIndexes.GRAPH_DATASET, GRAPH_PAYLOAD_TUPLE_FIELD_INDEX);
+ if (getTuple) {
+ listBuilder = new OrderedListBuilder();
+ innerListBuilder = new OrderedListBuilder();
+ nameListBuilder = new OrderedListBuilder();
+ subRecordBuilder = new RecordBuilder();
+ stringListList = new AOrderedListType(new AOrderedListType(BuiltinType.ASTRING, null), null);
+ stringList = new AOrderedListType(BuiltinType.ASTRING, null);
+ }
+ }
+
+ @Override
+ protected Graph createMetadataEntityFromARecord(ARecord graphRecord) throws AlgebricksException {
+ // Read in the dataverse name.
+ DataverseName dataverseName = DataverseName.createFromCanonicalForm(((AString) graphRecord
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_ARECORD_DATAVERSENAME_FIELD_INDEX)).getStringValue());
+
+ // Read in the graph name.
+ String graphName =
+ ((AString) graphRecord.getValueByPos(GraphixMetadataRecordTypes.GRAPH_ARECORD_GRAPHNAME_FIELD_INDEX))
+ .getStringValue();
+
+ // Read in the dependencies.
+ IACursor dependenciesCursor = ((AOrderedList) graphRecord
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_ARECORD_DEPENDENCIES_FIELD_INDEX)).getCursor();
+ List<List<Triple<DataverseName, String, String>>> graphDependencies = new ArrayList<>();
+ while (dependenciesCursor.next()) {
+ List<Triple<DataverseName, String, String>> dependencyList = new ArrayList<>();
+ IACursor qualifiedDependencyCursor = ((AOrderedList) dependenciesCursor.get()).getCursor();
+ while (qualifiedDependencyCursor.next()) {
+ Triple<DataverseName, String, String> dependency =
+ getDependency((AOrderedList) qualifiedDependencyCursor.get());
+ dependencyList.add(dependency);
+ }
+ graphDependencies.add(dependencyList);
+ }
+
+ // Read in the vertex and edge lists.
+ GraphIdentifier graphIdentifier = new GraphIdentifier(dataverseName, graphName);
+ Graph.Schema graphSchema = readGraphSchema(graphRecord, graphIdentifier);
+ return new Graph(graphIdentifier, graphSchema, new GraphDependencies(graphDependencies));
+ }
+
+ private Graph.Schema readGraphSchema(ARecord graphRecord, GraphIdentifier graphIdentifier) throws AsterixException {
+ Graph.Schema.Builder schemaBuilder = new Graph.Schema.Builder(graphIdentifier);
+
+ // Read in the vertex list.
+ IACursor verticesCursor = ((AOrderedList) graphRecord
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_ARECORD_VERTICES_FIELD_INDEX)).getCursor();
+ while (verticesCursor.next()) {
+ ARecord vertex = (ARecord) verticesCursor.get();
+
+ // Read in the label name.
+ String labelName = ((AString) vertex
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_VERTICES_ARECORD_LABEL_FIELD_INDEX))
+ .getStringValue();
+
+ // Read in the primary key fields.
+ List<List<String>> primaryKeyFields = new ArrayList<>();
+ IACursor primaryKeyCursor = ((AOrderedList) vertex
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_VERTICES_ARECORD_PRIMARY_KEY_FIELD_INDEX))
+ .getCursor();
+ while (primaryKeyCursor.next()) {
+ IACursor nameCursor = ((AOrderedList) primaryKeyCursor.get()).getCursor();
+ primaryKeyFields.add(readNameList(nameCursor));
+ }
+
+ // Read in the vertex definition(s). Validate each definition.
+ IACursor definitionsCursor = ((AOrderedList) vertex
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_VERTICES_ARECORD_DEFINITIONS_FIELD_INDEX))
+ .getCursor();
+ while (definitionsCursor.next()) {
+ String definition = ((AString) definitionsCursor.get()).getStringValue();
+ schemaBuilder.addVertex(labelName, primaryKeyFields, definition);
+ switch (schemaBuilder.getLastError()) {
+ case NO_ERROR:
+ break;
+
+ case CONFLICTING_PRIMARY_KEY:
+ throw new AsterixException(ErrorCode.METADATA_ERROR,
+ "Conflicting primary keys for vertices with label " + labelName);
+
+ default:
+ throw new AsterixException(ErrorCode.METADATA_ERROR,
+ "Schema vertex was not returned, but the error is not a conflicting primary key!");
+ }
+ }
+ }
+
+ // Read in the edge list.
+ IACursor edgesCursor =
+ ((AOrderedList) graphRecord.getValueByPos(GraphixMetadataRecordTypes.GRAPH_ARECORD_EDGES_FIELD_INDEX))
+ .getCursor();
+ while (edgesCursor.next()) {
+ ARecord edge = (ARecord) edgesCursor.get();
+
+ // Read in the label name.
+ String labelName =
+ ((AString) edge.getValueByPos(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_LABEL_FIELD_INDEX))
+ .getStringValue();
+
+ // Read in the destination label name.
+ String destinationLabelName = ((AString) edge
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_DEST_LABEL_FIELD_INDEX))
+ .getStringValue();
+
+ // Read in the source label name.
+ String sourceLabelName = ((AString) edge
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_SOURCE_LABEL_FIELD_INDEX))
+ .getStringValue();
+
+ // Read in the primary key fields.
+ List<List<String>> primaryKeyFields = new ArrayList<>();
+ IACursor primaryKeyCursor = ((AOrderedList) edge
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_PRIMARY_KEY_FIELD_INDEX)).getCursor();
+ while (primaryKeyCursor.next()) {
+ IACursor nameCursor = ((AOrderedList) primaryKeyCursor.get()).getCursor();
+ primaryKeyFields.add(readNameList(nameCursor));
+ }
+
+ // Read in the destination key fields.
+ List<List<String>> destinationKeyFields = new ArrayList<>();
+ IACursor destinationKeyCursor = ((AOrderedList) edge
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_DEST_KEY_FIELD_INDEX)).getCursor();
+ while (destinationKeyCursor.next()) {
+ IACursor nameCursor = ((AOrderedList) destinationKeyCursor.get()).getCursor();
+ destinationKeyFields.add(readNameList(nameCursor));
+ }
+
+ // Read in the source key fields.
+ List<List<String>> sourceKeyFields = new ArrayList<>();
+ IACursor sourceKeyCursor = ((AOrderedList) edge
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_SOURCE_KEY_FIELD_INDEX)).getCursor();
+ while (sourceKeyCursor.next()) {
+ IACursor nameCursor = ((AOrderedList) sourceKeyCursor.get()).getCursor();
+ sourceKeyFields.add(readNameList(nameCursor));
+ }
+
+ // Read in the edge definition(s). Validate each definition.
+ IACursor definitionsCursor = ((AOrderedList) edge
+ .getValueByPos(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_DEFINITIONS_FIELD_INDEX)).getCursor();
+ while (definitionsCursor.next()) {
+ String definition = ((AString) definitionsCursor.get()).getStringValue();
+ schemaBuilder.addEdge(labelName, destinationLabelName, sourceLabelName, primaryKeyFields,
+ destinationKeyFields, sourceKeyFields, definition);
+ switch (schemaBuilder.getLastError()) {
+ case NO_ERROR:
+ break;
+
+ case SOURCE_VERTEX_NOT_FOUND:
+ throw new AsterixException(ErrorCode.METADATA_ERROR,
+ "Source vertex " + sourceLabelName + " not found in the edge " + labelName + ".");
+
+ case DESTINATION_VERTEX_NOT_FOUND:
+ throw new AsterixException(ErrorCode.METADATA_ERROR, "Destination vertex "
+ + destinationLabelName + " not found in the edge " + labelName + ".");
+
+ case CONFLICTING_PRIMARY_KEY:
+ case CONFLICTING_SOURCE_VERTEX:
+ case CONFLICTING_DESTINATION_VERTEX:
+ throw new AsterixException(ErrorCode.METADATA_ERROR,
+ "Conflicting edge with the same label found: " + labelName);
+
+ default:
+ throw new AsterixException(ErrorCode.METADATA_ERROR,
+ "Schema edge was not returned, and an unexpected error encountered");
+ }
+ }
+ }
+
+ return schemaBuilder.build();
+ }
+
+ private List<String> readNameList(IACursor nameCursor) {
+ List<String> fieldName = new ArrayList<>();
+ while (nameCursor.next()) {
+ String subName = ((AString) nameCursor.get()).getStringValue();
+ fieldName.add(subName);
+ }
+ return fieldName;
+ }
+
+ @Override
+ public ITupleReference getTupleFromMetadataEntity(Graph graph) throws HyracksDataException {
+ // Write our primary key (dataverse name, graph name).
+ String dataverseCanonicalName = graph.getDataverseName().getCanonicalForm();
+ tupleBuilder.reset();
+ aString.setValue(dataverseCanonicalName);
+ stringSerde.serialize(aString, tupleBuilder.getDataOutput());
+ tupleBuilder.addFieldEndOffset();
+ aString.setValue(graph.getGraphName());
+ stringSerde.serialize(aString, tupleBuilder.getDataOutput());
+ tupleBuilder.addFieldEndOffset();
+
+ // Write the payload in the third field of the tuple.
+ recordBuilder.reset(GraphixMetadataRecordTypes.GRAPH_RECORDTYPE);
+
+ // Write the dataverse name.
+ fieldValue.reset();
+ aString.setValue(dataverseCanonicalName);
+ stringSerde.serialize(aString, fieldValue.getDataOutput());
+ recordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_ARECORD_DATAVERSENAME_FIELD_INDEX, fieldValue);
+
+ // Write the graph name.
+ fieldValue.reset();
+ aString.setValue(graph.getGraphName());
+ stringSerde.serialize(aString, fieldValue.getDataOutput());
+ recordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_ARECORD_GRAPHNAME_FIELD_INDEX, fieldValue);
+
+ // Write our dependencies.
+ ArrayBackedValueStorage itemValue = new ArrayBackedValueStorage();
+ listBuilder.reset((AOrderedListType) GraphixMetadataRecordTypes.GRAPH_RECORDTYPE
+ .getFieldTypes()[GraphixMetadataRecordTypes.GRAPH_ARECORD_DEPENDENCIES_FIELD_INDEX]);
+ for (List<Triple<DataverseName, String, String>> dependencies : graph.getDependencies()
+ .getListRepresentation()) {
+ List<String> subNames = new ArrayList<>();
+ innerListBuilder.reset(stringListList);
+ for (Triple<DataverseName, String, String> dependency : dependencies) {
+ subNames.clear();
+ getDependencySubNames(dependency, subNames);
+ writeNameList(subNames, itemValue);
+ innerListBuilder.addItem(itemValue);
+ }
+ itemValue.reset();
+ innerListBuilder.write(itemValue.getDataOutput(), true);
+ listBuilder.addItem(itemValue);
+ }
+ fieldValue.reset();
+ listBuilder.write(fieldValue.getDataOutput(), true);
+ recordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_ARECORD_DEPENDENCIES_FIELD_INDEX, fieldValue);
+
+ // Write our vertex set.
+ listBuilder.reset((AOrderedListType) GraphixMetadataRecordTypes.GRAPH_RECORDTYPE
+ .getFieldTypes()[GraphixMetadataRecordTypes.GRAPH_ARECORD_VERTICES_FIELD_INDEX]);
+ for (Graph.Vertex vertex : graph.getGraphSchema().getVertices()) {
+ writeVertexRecord(vertex, itemValue);
+ listBuilder.addItem(itemValue);
+ }
+ fieldValue.reset();
+ listBuilder.write(fieldValue.getDataOutput(), true);
+ recordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_ARECORD_VERTICES_FIELD_INDEX, fieldValue);
+
+ // Write our edge set.
+ listBuilder.reset((AOrderedListType) GraphixMetadataRecordTypes.GRAPH_RECORDTYPE
+ .getFieldTypes()[GraphixMetadataRecordTypes.GRAPH_ARECORD_EDGES_FIELD_INDEX]);
+ for (Graph.Edge edge : graph.getGraphSchema().getEdges()) {
+ writeEdgeRecord(edge, itemValue);
+ listBuilder.addItem(itemValue);
+ }
+ fieldValue.reset();
+ listBuilder.write(fieldValue.getDataOutput(), true);
+ recordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_ARECORD_EDGES_FIELD_INDEX, fieldValue);
+
+ // Finally, write our record.
+ recordBuilder.write(tupleBuilder.getDataOutput(), true);
+ tupleBuilder.addFieldEndOffset();
+ tuple.reset(tupleBuilder.getFieldEndOffsets(), tupleBuilder.getByteArray());
+ return tuple;
+ }
+
+ private void writeVertexRecord(Graph.Vertex vertex, ArrayBackedValueStorage itemValue) throws HyracksDataException {
+ subRecordBuilder.reset(GraphixMetadataRecordTypes.VERTICES_RECORDTYPE);
+
+ // Write the label name.
+ fieldValue.reset();
+ aString.setValue(vertex.getLabelName());
+ stringSerde.serialize(aString, fieldValue.getDataOutput());
+ subRecordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_VERTICES_ARECORD_LABEL_FIELD_INDEX, fieldValue);
+
+ // Write the primary key fields.
+ fieldValue.reset();
+ innerListBuilder.reset(stringListList);
+ for (List<String> keyField : vertex.getPrimaryKeyFieldNames()) {
+ writeNameList(keyField, itemValue);
+ innerListBuilder.addItem(itemValue);
+ }
+ innerListBuilder.write(fieldValue.getDataOutput(), true);
+ subRecordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_VERTICES_ARECORD_PRIMARY_KEY_FIELD_INDEX,
+ fieldValue);
+
+ // Write the vertex definition(s).
+ fieldValue.reset();
+ innerListBuilder.reset(stringList);
+ for (String definition : vertex.getDefinitions()) {
+ itemValue.reset();
+ aString.setValue(definition);
+ stringSerde.serialize(aString, itemValue.getDataOutput());
+ innerListBuilder.addItem(itemValue);
+ }
+ innerListBuilder.write(fieldValue.getDataOutput(), true);
+ subRecordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_VERTICES_ARECORD_DEFINITIONS_FIELD_INDEX,
+ fieldValue);
+
+ itemValue.reset();
+ subRecordBuilder.write(itemValue.getDataOutput(), true);
+ }
+
+ private void writeEdgeRecord(Graph.Edge edge, ArrayBackedValueStorage itemValue) throws HyracksDataException {
+ subRecordBuilder.reset(GraphixMetadataRecordTypes.EDGES_RECORDTYPE);
+
+ // Write the label name.
+ fieldValue.reset();
+ aString.setValue(edge.getLabelName());
+ stringSerde.serialize(aString, fieldValue.getDataOutput());
+ subRecordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_LABEL_FIELD_INDEX, fieldValue);
+
+ // Write the destination label name.
+ fieldValue.reset();
+ aString.setValue(edge.getDestinationLabelName());
+ stringSerde.serialize(aString, fieldValue.getDataOutput());
+ subRecordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_DEST_LABEL_FIELD_INDEX, fieldValue);
+
+ // Write the source label name.
+ fieldValue.reset();
+ aString.setValue(edge.getSourceLabelName());
+ stringSerde.serialize(aString, fieldValue.getDataOutput());
+ subRecordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_SOURCE_LABEL_FIELD_INDEX, fieldValue);
+
+ // Write the primary key fields.
+ fieldValue.reset();
+ innerListBuilder.reset(stringListList);
+ for (List<String> keyField : edge.getPrimaryKeyFieldNames()) {
+ writeNameList(keyField, itemValue);
+ innerListBuilder.addItem(itemValue);
+ }
+ innerListBuilder.write(fieldValue.getDataOutput(), true);
+ subRecordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_PRIMARY_KEY_FIELD_INDEX, fieldValue);
+
+ // Write the destination key fields.
+ fieldValue.reset();
+ innerListBuilder.reset(stringListList);
+ for (List<String> keyField : edge.getDestinationKeyFieldNames()) {
+ writeNameList(keyField, itemValue);
+ innerListBuilder.addItem(itemValue);
+ }
+ innerListBuilder.write(fieldValue.getDataOutput(), true);
+ subRecordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_DEST_KEY_FIELD_INDEX, fieldValue);
+
+ // Write the source key fields.
+ fieldValue.reset();
+ innerListBuilder.reset(stringListList);
+ for (List<String> keyField : edge.getSourceKeyFieldNames()) {
+ writeNameList(keyField, itemValue);
+ innerListBuilder.addItem(itemValue);
+ }
+ innerListBuilder.write(fieldValue.getDataOutput(), true);
+ subRecordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_SOURCE_KEY_FIELD_INDEX, fieldValue);
+
+ // Write the edge definition(s).
+ fieldValue.reset();
+ innerListBuilder.reset(stringList);
+ for (String definition : edge.getDefinitions()) {
+ itemValue.reset();
+ aString.setValue(definition);
+ stringSerde.serialize(aString, itemValue.getDataOutput());
+ innerListBuilder.addItem(itemValue);
+ }
+ innerListBuilder.write(fieldValue.getDataOutput(), true);
+ subRecordBuilder.addField(GraphixMetadataRecordTypes.GRAPH_EDGES_ARECORD_DEFINITIONS_FIELD_INDEX, fieldValue);
+
+ itemValue.reset();
+ subRecordBuilder.write(itemValue.getDataOutput(), true);
+ }
+
+ private void writeNameList(List<String> name, ArrayBackedValueStorage itemValue) throws HyracksDataException {
+ nameListBuilder.reset(stringList);
+ for (String subName : name) {
+ itemValue.reset();
+ aString.setValue(subName);
+ stringSerde.serialize(aString, itemValue.getDataOutput());
+ nameListBuilder.addItem(itemValue);
+ }
+ itemValue.reset();
+ nameListBuilder.write(itemValue.getDataOutput(), true);
+ }
+}
diff --git a/asterix-graphix/src/main/resources/cc.conf b/asterix-graphix/src/main/resources/cc.conf
new file mode 100644
index 0000000..8452471
--- /dev/null
+++ b/asterix-graphix/src/main/resources/cc.conf
@@ -0,0 +1,68 @@
+; Licensed to the Apache Software Foundation (ASF) under one
+; or more contributor license agreements. See the NOTICE file
+; distributed with this work for additional information
+; regarding copyright ownership. The ASF licenses this file
+; to you under the Apache License, Version 2.0 (the
+; "License"); you may not use this file except in compliance
+; with the License. You may obtain a copy of the License at
+;
+; http://www.apache.org/licenses/LICENSE-2.0
+;
+; Unless required by applicable law or agreed to in writing,
+; software distributed under the License is distributed on an
+; "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+; KIND, either express or implied. See the License for the
+; specific language governing permissions and limitations
+; under the License.
+
+[nc/asterix_nc1]
+txn.log.dir=target/tmp/asterix_nc1/txnlog
+core.dump.dir=target/tmp/asterix_nc1/coredump
+iodevices=target/tmp/asterix_nc1/iodevice1,../asterix-server/target/tmp/asterix_nc1/iodevice2
+#jvm.args=-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=5006
+
+[nc/asterix_nc2]
+ncservice.port=9091
+nc.api.port=19005
+txn.log.dir=target/tmp/asterix_nc2/txnlog
+core.dump.dir=target/tmp/asterix_nc2/coredump
+iodevices=target/tmp/asterix_nc2/iodevice1,../asterix-server/target/tmp/asterix_nc2/iodevice2
+#jvm.args=-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=5007
+
+[nc]
+address=127.0.0.1
+command=asterixnc
+app.class=org.apache.asterix.hyracks.bootstrap.NCApplication
+jvm.args=-Xmx4096m -Dnode.Resolver="org.apache.asterix.external.util.IdentitiyResolverFactory"
+storage.buffercache.pagesize=32KB
+storage.buffercache.size=128MB
+storage.memorycomponent.globalbudget=512MB
+storage.io.scheduler=greedy
+storage.filtered.memorycomponent.max.size=16MB
+
+[cc]
+address=127.0.0.1
+app.class=org.apache.asterix.hyracks.bootstrap.CCApplication
+heartbeat.period=2000
+heartbeat.max.misses=25
+
+[common]
+log.dir=logs/
+log.level=INFO
+compiler.framesize=32KB
+compiler.sortmemory=320KB
+compiler.groupmemory=160KB
+compiler.joinmemory=256KB
+compiler.textsearchmemory=160KB
+compiler.windowmemory=192KB
+compiler.sort.parallel=false
+compiler.internal.sanitycheck=true
+messaging.frame.size=4096
+messaging.frame.count=512
+
+[extension/org.apache.asterix.graphix.extension.GraphixQueryTranslatorExtension]
+enabled=true
+[extension/org.apache.asterix.graphix.extension.GraphixLangExtension]
+enabled=true
+[extension/org.apache.asterix.graphix.extension.GraphixMetadataExtension]
+enabled=true
\ No newline at end of file
diff --git a/asterix-graphix/src/main/resources/lang-extension/lang.txt b/asterix-graphix/src/main/resources/lang-extension/lang.txt
new file mode 100644
index 0000000..3b51371
--- /dev/null
+++ b/asterix-graphix/src/main/resources/lang-extension/lang.txt
@@ -0,0 +1,354 @@
+//
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements. See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership. The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied. See the License for the
+// specific language governing permissions and limitations
+// under the License.
+//
+
+import org.apache.asterix.graphix.common.metadata.GraphElementIdentifier;
+import org.apache.asterix.graphix.lang.expression.GraphConstructor;
+import org.apache.asterix.graphix.lang.statement.CreateGraphStatement;
+import org.apache.asterix.graphix.lang.statement.GraphDropStatement;
+import org.apache.asterix.graphix.lang.statement.GraphElementDecl;
+import org.apache.asterix.lang.sqlpp.parser.ParseException;
+import org.apache.asterix.lang.sqlpp.parser.SqlppParseException;
+import org.apache.asterix.lang.sqlpp.parser.Token;
+
+@new_at_the_class_def
+public GraphElementDecl parseGraphElementBody(GraphElementIdentifier identifier) throws CompilationException {
+ return parseImpl(new ParseFunction<GraphElementDecl>() {
+ @Override
+ public GraphElementDecl parse() throws ParseException {
+ DataverseName dataverse = defaultDataverse;
+ defaultDataverse = identifier.getGraphIdentifier().getDataverseName();
+
+ // We borrow the ViewBody production, where we have a SelectExpression or a VariableRef.
+ createNewScope();
+ Expression elementBodyExpr = GraphixParser.this.ViewBody();
+ removeCurrentScope();
+
+ defaultDataverse = dataverse;
+ return new GraphElementDecl(identifier, elementBodyExpr);
+ }
+ });
+}
+
+@merge
+Statement CreateStatement() throws ParseException:
+{
+ // merge area 1
+ before:
+ after:
+}
+{
+ (
+ // merge area 2
+ before:
+ after: | stmt = CreateGraphStatement(startToken, false)
+ )
+ {
+ // merge area 3
+ }
+}
+
+@merge
+Statement CreateOrReplaceStatement(Token startStmtToken) throws ParseException:
+{
+ // merge area 1
+ before:
+ after:
+}
+{
+ (
+ // merge area 2
+ before:
+ after: | stmt = CreateGraphStatement(startStmtToken, true)
+ )
+ {
+ // merge area 3
+ }
+}
+
+@merge
+Statement DropStatement() throws ParseException:
+{
+ // merge area 1
+ before:
+ after:
+}
+{
+ (
+ // merge area 2
+ before:
+ after: | stmt = DropGraphStatement(startToken)
+ )
+ {
+ // merge area 3
+ }
+}
+
+@new
+CreateGraphStatement CreateGraphStatement(Token startStmtToken, boolean orReplace) throws ParseException:
+{
+ CreateGraphStatement stmt = null;
+}
+{
+ <GRAPH> stmt = CreateGraphSpecification(startStmtToken, orReplace)
+ {
+ return stmt;
+ }
+}
+
+@new
+CreateGraphStatement CreateGraphSpecification(Token startStmtToken, boolean orReplace) throws ParseException:
+{
+ Pair<DataverseName, Identifier> nameComponents = null;
+ GraphConstructor graphConstructor = null;
+ boolean ifNotExists = false;
+}
+{
+ nameComponents = QualifiedName()
+ ifNotExists = IfNotExists()
+ {
+ if (orReplace && ifNotExists) {
+ throw new SqlppParseException(getSourceLocation(startStmtToken), "Unexpected IF NOT EXISTS");
+ }
+ }
+ <AS> graphConstructor = GraphConstructor(token)
+ {
+ CreateGraphStatement stmt = new CreateGraphStatement(nameComponents.first, nameComponents.second.getValue(),
+ orReplace, ifNotExists, graphConstructor);
+ return addSourceLocation(stmt, startStmtToken);
+ }
+}
+
+@new
+Pair<List<Integer>, List<List<String>>> KeyFields() throws ParseException:
+{
+ Pair<List<Integer>, List<List<String>>> keyFields = null;
+}
+{
+ // This is essentially an alias for the production PrimaryKeyFields.
+ keyFields = PrimaryKeyFields()
+ {
+ return keyFields;
+ }
+}
+
+@new
+GraphConstructor GraphConstructor(Token startStmtToken) throws ParseException:
+{
+ List<GraphConstructor.VertexElement> vertexElements = new ArrayList<GraphConstructor.VertexElement>();
+ List<GraphConstructor.EdgeElement> edgeElements = new ArrayList<GraphConstructor.EdgeElement>();
+ GraphConstructor.VertexElement vertexElement = null;
+ GraphConstructor.EdgeElement edgeElement = null;
+}
+{
+ vertexElement = GraphVertexSpecification(startStmtToken) { vertexElements.add(vertexElement); }
+ ( <COMMA>
+ (
+ ( vertexElement = GraphVertexSpecification(token) { vertexElements.add(vertexElement); } )
+ | ( edgeElement = GraphEdgeSpecification(token) { edgeElements.add(edgeElement); } )
+ )
+ )*
+ {
+ GraphConstructor graphConstructor = new GraphConstructor(vertexElements, edgeElements);
+ return addSourceLocation(graphConstructor, startStmtToken);
+ }
+}
+
+@new
+GraphConstructor.VertexElement GraphVertexSpecification(Token startStmtToken) throws ParseException:
+{
+ Pair<List<Integer>, List<List<String>>> primaryKeyFields;
+ Token beginPos = null, endPos = null;
+ Expression vertexDefinitionExpr;
+ String vertexName;
+}
+{
+ <VERTEX>
+ vertexName = GraphVertexDefinitionPattern()
+ <PRIMARY> <KEY> <LEFTPAREN> primaryKeyFields = KeyFields() <RIGHTPAREN>
+ <AS>
+ {
+ beginPos = token;
+ createNewScope();
+ }
+ (
+ vertexDefinitionExpr = ViewBody()
+ | <LEFTPAREN> vertexDefinitionExpr = ViewBody() <RIGHTPAREN>
+ )
+ {
+ endPos = token;
+ String vDef = extractFragment(beginPos.beginLine, beginPos.beginColumn + 1, endPos.endLine, endPos.endColumn + 1);
+ removeCurrentScope();
+ GraphConstructor.VertexElement vertexElement = new GraphConstructor.VertexElement(vertexName,
+ primaryKeyFields.second, primaryKeyFields.first, vertexDefinitionExpr, vDef);
+ return addSourceLocation(vertexElement, startStmtToken);
+ }
+}
+
+@new
+String GraphVertexDefinitionPattern() throws ParseException:
+{
+ String vertexName;
+}
+{
+ <LEFTPAREN> <COLON> vertexName = Identifier() <RIGHTPAREN>
+ {
+ return vertexName;
+ }
+}
+
+@new
+GraphConstructor.EdgeElement GraphEdgeSpecification(Token startStmtToken) throws ParseException:
+{
+ Pair<Triple<String, String, String>, Boolean> edgeDefinitionPattern;
+ Pair<List<Integer>, List<List<String>>> keyFields;
+ Token beginPos = null, endPos = null;
+ Expression edgeDefinitionExpr = null;
+
+ List<Integer> destinationKeySourceIndicators = null;
+ List<Integer> sourceKeySourceIndicators = null;
+ List<Integer> primaryKeySourceIndicators = null;
+ List<List<String>> destinationKeyFields = null;
+ List<List<String>> sourceKeyFields = null;
+ List<List<String>> primaryKeyFields = null;
+}
+{
+ <EDGE>
+ edgeDefinitionPattern = GraphEdgeDefinitionPattern()
+ (
+ (
+ <PRIMARY> <KEY> <LEFTPAREN> keyFields = KeyFields() <RIGHTPAREN>
+ {
+ primaryKeyFields = keyFields.second;
+ primaryKeySourceIndicators = keyFields.first;
+ }
+ <SOURCE> <KEY> <LEFTPAREN> keyFields = KeyFields() <RIGHTPAREN>
+ {
+ sourceKeyFields = keyFields.second;
+ sourceKeySourceIndicators = keyFields.first;
+ }
+ <DESTINATION> <KEY> <LEFTPAREN> keyFields = KeyFields() <RIGHTPAREN>
+ {
+ destinationKeyFields = keyFields.second;
+ destinationKeySourceIndicators = keyFields.first;
+ }
+ <AS>
+ {
+ beginPos = token;
+ createNewScope();
+ }
+ (
+ edgeDefinitionExpr = ViewBody()
+ | <LEFTPAREN> edgeDefinitionExpr = ViewBody() <RIGHTPAREN>
+ )
+ )
+ |
+ (
+ <DESTINATION> <KEY> <LEFTPAREN> keyFields = KeyFields() <RIGHTPAREN>
+ {
+ destinationKeyFields = keyFields.second;
+ destinationKeySourceIndicators = keyFields.first;
+ }
+ )
+ )
+ {
+ String destinationLabel, edgeLabel, sourceLabel;
+ if (edgeDefinitionPattern.second) { // isDirectedLeft
+ sourceLabel = edgeDefinitionPattern.first.third;
+ edgeLabel = edgeDefinitionPattern.first.second;
+ destinationLabel = edgeDefinitionPattern.first.first;
+ } else {
+ sourceLabel = edgeDefinitionPattern.first.first;
+ edgeLabel = edgeDefinitionPattern.first.second;
+ destinationLabel = edgeDefinitionPattern.first.third;
+ }
+
+ String eDef = null;
+ if (edgeDefinitionExpr != null) {
+ endPos = token;
+ eDef = extractFragment(beginPos.beginLine, beginPos.beginColumn + 1, endPos.endLine, endPos.endColumn + 1);
+ removeCurrentScope();
+ }
+
+ GraphConstructor.EdgeElement edgeElement = new GraphConstructor.EdgeElement(edgeLabel, destinationLabel,
+ sourceLabel, primaryKeyFields, primaryKeySourceIndicators, destinationKeyFields, destinationKeySourceIndicators,
+ sourceKeyFields, sourceKeySourceIndicators, edgeDefinitionExpr, eDef);
+ return addSourceLocation(edgeElement, startStmtToken);
+ }
+}
+
+@new
+Pair<Triple<String, String, String>, Boolean> GraphEdgeDefinitionPattern() throws ParseException:
+{
+ String leftVertexName, edgeName, rightVertexName;
+ boolean isDirectedLeft;
+}
+{
+ leftVertexName = GraphVertexDefinitionPattern()
+ ( <MINUS> <LEFTBRACKET> <COLON> edgeName = Identifier() <RIGHTBRACKET> <MINUS> <GT> { isDirectedLeft = false; }
+ | <LT> <MINUS> <LEFTBRACKET> <COLON> edgeName = Identifier() <RIGHTBRACKET> <MINUS> { isDirectedLeft = true; } )
+ rightVertexName = GraphVertexDefinitionPattern()
+ {
+ Triple<String, String, String> t = new Triple<String, String, String>(leftVertexName, edgeName, rightVertexName);
+ return new Pair<Triple<String, String, String>, Boolean>(t, isDirectedLeft);
+ }
+}
+
+@new
+GraphDropStatement DropGraphStatement(Token startStmtToken) throws ParseException:
+{
+ GraphDropStatement stmt = null;
+}
+{
+ <GRAPH> stmt = DropGraphSpecification(startStmtToken)
+ {
+ return stmt;
+ }
+}
+
+@new
+GraphDropStatement DropGraphSpecification(Token startStmtToken) throws ParseException:
+{
+ Pair<DataverseName, Identifier> pairId = null;
+ boolean ifExists = false;
+}
+{
+ pairId = QualifiedName() ifExists = IfExists()
+ {
+ GraphDropStatement stmt = new GraphDropStatement(pairId.first, pairId.second.getValue(), ifExists);
+ return addSourceLocation(stmt, startStmtToken);
+ }
+}
+
+@new
+<DEFAULT,IN_DBL_BRACE>
+TOKEN [IGNORE_CASE]:
+{
+ <DESTINATION: "destination">
+ | <EDGE: "edge">
+ | <GRAPH: "graph">
+ | <SOURCE: "source">
+ | <VERTEX: "vertex">
+}
+
+@new_at_the_end
+<DEFAULT,IN_DBL_BRACE>
+TOKEN :
+{
+ <BAR: "|">
+}
\ No newline at end of file
diff --git a/asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixExecutionTest.java b/asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixExecutionTest.java
new file mode 100644
index 0000000..0820e29
--- /dev/null
+++ b/asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixExecutionTest.java
@@ -0,0 +1,91 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.test;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Collection;
+
+import org.apache.asterix.test.common.TestExecutor;
+import org.apache.asterix.test.runtime.ExecutionTestUtil;
+import org.apache.asterix.testframework.context.TestCaseContext;
+import org.apache.asterix.testframework.xml.TestGroup;
+import org.apache.commons.lang3.StringUtils;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+
+@RunWith(Parameterized.class)
+public class GraphixExecutionTest {
+ protected static final String PATH_ACTUAL = "target/rttest" + File.separator;
+ protected static final String PATH_BASE =
+ StringUtils.join(new String[] { "src", "test", "resources", "runtimets" }, File.separator);
+ protected static final String TEST_CONFIG_FILE_NAME = "src/main/resources/cc.conf";
+ private static final String TEST_SUITE_FILE = "testsuite.xml";
+ private static final String ONLY_SUITE_FILE = "only.xml";
+
+ private static final GraphixIntegrationUtil integrationUtil = new GraphixIntegrationUtil();
+ private static final TestExecutor testExecutor = new TestExecutor();
+
+ protected static TestGroup FailedGroup;
+ protected TestCaseContext tcCtx;
+
+ public GraphixExecutionTest(TestCaseContext tcCtx) {
+ this.tcCtx = tcCtx;
+ }
+
+ @BeforeClass
+ public static void setUp() throws Exception {
+ //noinspection ResultOfMethodCallIgnored
+ new File(PATH_ACTUAL).mkdirs();
+ ExecutionTestUtil.setUp(true, TEST_CONFIG_FILE_NAME, integrationUtil, false, null);
+ }
+
+ @AfterClass
+ public static void tearDown() throws Exception {
+ ExecutionTestUtil.tearDown(true, integrationUtil, true);
+ integrationUtil.removeTestStorageFiles();
+ }
+
+ @Parameters(name = "ExecutionTest {index}: {0}")
+ public static Collection<Object[]> tests() throws Exception {
+ Collection<Object[]> test_cases = buildTestsInXml(ONLY_SUITE_FILE);
+ if (test_cases.size() == 0) {
+ test_cases = buildTestsInXml(TEST_SUITE_FILE);
+ }
+ return test_cases;
+ }
+
+ protected static Collection<Object[]> buildTestsInXml(String xmlfile) throws Exception {
+ Collection<Object[]> testArgs = new ArrayList<>();
+ TestCaseContext.Builder b = new TestCaseContext.Builder();
+ for (TestCaseContext ctx : b.build(new File(PATH_BASE), xmlfile)) {
+ testArgs.add(new Object[] { ctx });
+ }
+ return testArgs;
+ }
+
+ @Test
+ public void test() throws Exception {
+ testExecutor.executeTest(PATH_ACTUAL, tcCtx, null, false, FailedGroup);
+ }
+}
diff --git a/asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixIntegrationUtil.java b/asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixIntegrationUtil.java
new file mode 100644
index 0000000..e3ea8e9
--- /dev/null
+++ b/asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixIntegrationUtil.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2009-2013 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.asterix.graphix.test;
+
+import org.apache.asterix.api.common.AsterixHyracksIntegrationUtil;
+import org.apache.hyracks.test.support.TestUtils;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+
+@RunWith(Parameterized.class)
+public class GraphixIntegrationUtil extends AsterixHyracksIntegrationUtil {
+ private static final String DEFAULT_CONF_FILE = "asterixdb/asterix-opt/asterix-graphix/src/main/resources/cc.conf";
+
+ public static void main(String[] args) {
+ TestUtils.redirectLoggingToConsole();
+ GraphixIntegrationUtil graphixIntegrationUtil = new GraphixIntegrationUtil();
+ try {
+ boolean cleanupOnStart = Boolean.getBoolean("cleanup.start");
+ boolean cleanupOnShutdown = Boolean.getBoolean("cleanup.shutdown");
+ String confFile = System.getProperty("external.lib", DEFAULT_CONF_FILE);
+ graphixIntegrationUtil.run(cleanupOnStart, cleanupOnShutdown, confFile);
+ } catch (Exception e) {
+ e.printStackTrace();
+ System.exit(1);
+ }
+ }
+}
diff --git a/asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixMetadataTest.java b/asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixMetadataTest.java
new file mode 100644
index 0000000..bf2c756
--- /dev/null
+++ b/asterix-graphix/src/test/java/org/apache/asterix/graphix/test/GraphixMetadataTest.java
@@ -0,0 +1,81 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.graphix.test;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Collection;
+
+import org.apache.asterix.test.common.TestExecutor;
+import org.apache.asterix.testframework.context.TestCaseContext;
+import org.apache.commons.lang3.StringUtils;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+
+@RunWith(Parameterized.class)
+public class GraphixMetadataTest {
+ private static final String PATH_ACTUAL = "target" + File.separator + "mdtest" + File.separator;
+ private static final String PATH_BASE =
+ StringUtils.join(new String[] { "src", "test", "resources", "metadata" + File.separator }, File.separator);
+ private static final String TEST_CONFIG_FILE_NAME = "src/main/resources/cc.conf";
+
+ private static final TestExecutor testExecutor = new TestExecutor();
+ private static final GraphixIntegrationUtil integrationUtil = new GraphixIntegrationUtil();
+
+ private final TestCaseContext tcCtx;
+
+ public GraphixMetadataTest(TestCaseContext tcCtx) {
+ this.tcCtx = tcCtx;
+ }
+
+ @BeforeClass
+ public static void setUp() throws Exception {
+ //noinspection ResultOfMethodCallIgnored
+ new File(PATH_ACTUAL).mkdirs();
+ integrationUtil.init(true, TEST_CONFIG_FILE_NAME);
+ }
+
+ @AfterClass
+ public static void tearDown() throws Exception {
+ integrationUtil.deinit(true);
+ File outdir = new File(PATH_ACTUAL);
+ File[] files = outdir.listFiles();
+ if (files == null || files.length == 0) {
+ //noinspection ResultOfMethodCallIgnored
+ outdir.delete();
+ }
+ }
+
+ @Parameters(name = "MetadataTest {index}: {0}")
+ public static Collection<Object[]> tests() throws Exception {
+ Collection<Object[]> testArgs = new ArrayList<>();
+ TestCaseContext.Builder b = new TestCaseContext.Builder();
+ for (TestCaseContext ctx : b.build(new File(PATH_BASE))) {
+ testArgs.add(new Object[] { ctx });
+ }
+ return testArgs;
+ }
+
+ @Test
+ public void test() throws Exception {
+ testExecutor.executeTest(PATH_ACTUAL, tcCtx, null, false);
+ }
+}
diff --git a/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.1.ddl.sqlpp b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.1.ddl.sqlpp
new file mode 100644
index 0000000..0f4761d
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.1.ddl.sqlpp
@@ -0,0 +1,115 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+DROP DATAVERSE Yelp IF EXISTS;
+DROP DATAVERSE Yelp_A IF EXISTS;
+DROP DATAVERSE Yelp_B IF EXISTS;
+CREATE DATAVERSE Yelp;
+CREATE DATAVERSE Yelp_A;
+CREATE DATAVERSE Yelp_B;
+
+USE Yelp_A;
+CREATE TYPE GenericType
+AS { _id: uuid };
+CREATE DATASET Businesses (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE DATASET Checkins (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE DATASET Friends (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE DATASET Reviews (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE DATASET Tips (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE DATASET Users (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE FUNCTION RelevantBusinesses()
+ { FROM Businesses B
+ WHERE B.stars > 3.5
+ SELECT B.* };
+
+USE Yelp_B;
+CREATE TYPE GenericType
+AS { _id: uuid };
+CREATE DATASET Businesses (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE DATASET Checkins (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE DATASET Friends (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE DATASET Reviews (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE DATASET Tips (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE DATASET Users (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+CREATE SYNONYM Yelpers FOR Users;
+
+USE Yelp;
+CREATE GRAPH YelpGraph_1 AS
+VERTEX (:User)
+ PRIMARY KEY (user_id)
+ AS Yelp_B.Yelpers,
+VERTEX (:Review)
+ PRIMARY KEY (review_id)
+ AS ( FROM Yelp_A.Reviews R
+ SELECT VALUE R ),
+VERTEX (:Business)
+ PRIMARY KEY (business_id)
+ AS ( FROM Yelp_A.RelevantBusinesses() B
+ SELECT VALUE B ),
+EDGE (:User)-[:FRIENDS_WITH]->(:User)
+ PRIMARY KEY (user_id, friend)
+ SOURCE KEY (user_id)
+ DESTINATION KEY (friend)
+ AS ( FROM Yelp_B.Users U
+ UNNEST U.friends F
+ SELECT U.user_id, F AS friend ),
+EDGE (:User)-[:FRIENDS_WITH]->(:User)
+ PRIMARY KEY (user_id, friend)
+ SOURCE KEY (user_id)
+ DESTINATION KEY (friend)
+ AS Yelp_B.Friends,
+EDGE (:Review)-[:MADE_BY]->(:User)
+ DESTINATION KEY (user_id),
+EDGE (:Review)-[:ABOUT]->(:Business)
+ DESTINATION KEY (business_id);
+
+CREATE GRAPH YelpGraph_2 IF NOT EXISTS AS
+VERTEX (:Review)
+ PRIMARY KEY (review_id)
+ AS ( FROM Yelp_A.Reviews R
+ SELECT VALUE R ),
+VERTEX (:Business)
+ PRIMARY KEY (business_id)
+ AS ( FROM Yelp_A.RelevantBusinesses() B
+ SELECT VALUE B ),
+EDGE (:Review)-[:ABOUT]->(:Business)
+ DESTINATION KEY (business_id);
+CREATE GRAPH YelpGraph_2 IF NOT EXISTS AS
+VERTEX (:Review)
+ PRIMARY KEY (review_id)
+ AS ( FROM Yelp_A.Reviews R
+ SELECT VALUE R ),
+VERTEX (:Business)
+ PRIMARY KEY (business_id)
+ AS ( FROM Yelp_A.RelevantBusinesses() B
+ SELECT VALUE B ),
+EDGE (:Review)-[:ABOUT]->(:Business)
+ DESTINATION KEY (business_id);
diff --git a/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.2.query.sqlpp b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.2.query.sqlpp
new file mode 100644
index 0000000..b8151af
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.2.query.sqlpp
@@ -0,0 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+FROM `Metadata`.`Graph` G
+SELECT G.DataverseName, G.GraphName, G.Dependencies, G.Vertices, G.Edges
+ORDER BY G.DataverseName, G.GraphName;
diff --git a/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.3.ddl.sqlpp b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.3.ddl.sqlpp
new file mode 100644
index 0000000..ca52d3d
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.3.ddl.sqlpp
@@ -0,0 +1,21 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+DROP GRAPH Yelp.YelpGraph_1 IF EXISTS;
+DROP GRAPH Yelp.YelpGraph_1 IF EXISTS;
diff --git a/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.4.query.sqlpp b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.4.query.sqlpp
new file mode 100644
index 0000000..b8151af
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.4.query.sqlpp
@@ -0,0 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+FROM `Metadata`.`Graph` G
+SELECT G.DataverseName, G.GraphName, G.Dependencies, G.Vertices, G.Edges
+ORDER BY G.DataverseName, G.GraphName;
diff --git a/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.5.ddl.sqlpp b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.5.ddl.sqlpp
new file mode 100644
index 0000000..586a718
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.5.ddl.sqlpp
@@ -0,0 +1,47 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+CREATE OR REPLACE GRAPH Yelp.YelpGraph_2 AS
+VERTEX (:User)
+ PRIMARY KEY (user_id)
+ AS Yelp_B.Yelpers,
+VERTEX (:Review)
+ PRIMARY KEY (review_id)
+ AS ( FROM Yelp_A.Reviews R
+ SELECT VALUE R ),
+VERTEX (:Business)
+ PRIMARY KEY (business_id)
+ AS ( FROM Yelp_A.RelevantBusinesses() B
+ SELECT VALUE B ),
+EDGE (:User)-[:FRIENDS_WITH]->(:User)
+ PRIMARY KEY (user_id, friend)
+ SOURCE KEY (user_id)
+ DESTINATION KEY (friend)
+ AS ( FROM Yelp_B.Users U
+ UNNEST U.friends F
+ SELECT U.user_id, F AS friend ),
+EDGE (:User)-[:FRIENDS_WITH]->(:User)
+ PRIMARY KEY (user_id, friend)
+ SOURCE KEY (user_id)
+ DESTINATION KEY (friend)
+ AS Yelp_B.Friends,
+EDGE (:Review)-[:MADE_BY]->(:User)
+ DESTINATION KEY (user_id),
+EDGE (:Review)-[:ABOUT]->(:Business)
+ DESTINATION KEY (business_id);
diff --git a/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.6.query.sqlpp b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.6.query.sqlpp
new file mode 100644
index 0000000..b8151af
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.6.query.sqlpp
@@ -0,0 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+FROM `Metadata`.`Graph` G
+SELECT G.DataverseName, G.GraphName, G.Dependencies, G.Vertices, G.Edges
+ORDER BY G.DataverseName, G.GraphName;
diff --git a/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.7.ddl.sqlpp b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.7.ddl.sqlpp
new file mode 100644
index 0000000..d846648
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.7.ddl.sqlpp
@@ -0,0 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+DROP DATAVERSE Yelp;
+DROP DATAVERSE Yelp_A;
+DROP DATAVERSE Yelp_B;
\ No newline at end of file
diff --git a/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.8.query.sqlpp b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.8.query.sqlpp
new file mode 100644
index 0000000..9667fd6
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/queries/graphix/yelp-example/yelp-example.8.query.sqlpp
@@ -0,0 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+FROM `Metadata`.`Graph` G
+WHERE G.DataverseName IN [ "Yelp", "Yelp_A", "Yelp_B" ]
+SELECT VALUE { "count": COUNT(*) };
diff --git a/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.1.adm b/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.1.adm
new file mode 100644
index 0000000..31c330c
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.1.adm
@@ -0,0 +1,2 @@
+{ "DataverseName": "Yelp", "GraphName": "YelpGraph_1", "Dependencies": [ [ [ "Yelp_A", "Reviews" ], [ "Yelp_B", "Users" ], [ "Yelp_B", "Friends" ] ], [ [ "Yelp_B", "Yelpers" ] ], [ [ "Yelp_A", "RelevantBusinesses", "0" ] ] ], "Vertices": [ { "Label": "User", "PrimaryKey": [ [ "user_id" ] ], "Definitions": [ "Yelp_B.Yelpers" ] }, { "Label": "Review", "PrimaryKey": [ [ "review_id" ] ], "Definitions": [ "( FROM Yelp_A.Reviews R\n SELECT VALUE R )" ] }, { "Label": "Business", "PrimaryKey": [ [ "business_id" ] ], "Definitions": [ "( FROM Yelp_A.RelevantBusinesses() B\n SELECT VALUE B )" ] } ], "Edges": [ { "Label": "FRIENDS_WITH", "DestinationLabel": "User", "SourceLabel": "User", "PrimaryKey": [ [ "user_id" ], [ "friend" ] ], "DestinationKey": [ [ "friend" ] ], "SourceKey": [ [ "user_id" ] ], "Definitions": [ "( FROM Yelp_B.Users U\n UNNEST U.friends F\n SELECT U.user_id, F AS friend )", "Yelp_B.Friends" ] }, { "Label": "MADE_BY", "DestinationLabel": "User", "SourceLabel": "Review", "PrimaryKey": [ [ "review_id" ] ], "DestinationKey": [ [ "user_id" ] ], "SourceKey": [ [ "review_id" ] ], "Definitions": [ "" ] }, { "Label": "ABOUT", "DestinationLabel": "Business", "SourceLabel": "Review", "PrimaryKey": [ [ "review_id" ] ], "DestinationKey": [ [ "business_id" ] ], "SourceKey": [ [ "review_id" ] ], "Definitions": [ "" ] } ] }
+{ "DataverseName": "Yelp", "GraphName": "YelpGraph_2", "Dependencies": [ [ [ "Yelp_A", "Reviews" ] ], [ ], [ [ "Yelp_A", "RelevantBusinesses", "0" ] ] ], "Vertices": [ { "Label": "Review", "PrimaryKey": [ [ "review_id" ] ], "Definitions": [ "( FROM Yelp_A.Reviews R\n SELECT VALUE R )" ] }, { "Label": "Business", "PrimaryKey": [ [ "business_id" ] ], "Definitions": [ "( FROM Yelp_A.RelevantBusinesses() B\n SELECT VALUE B )" ] } ], "Edges": [ { "Label": "ABOUT", "DestinationLabel": "Business", "SourceLabel": "Review", "PrimaryKey": [ [ "review_id" ] ], "DestinationKey": [ [ "business_id" ] ], "SourceKey": [ [ "review_id" ] ], "Definitions": [ "" ] } ] }
\ No newline at end of file
diff --git a/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.2.adm b/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.2.adm
new file mode 100644
index 0000000..a749b72
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.2.adm
@@ -0,0 +1 @@
+{ "DataverseName": "Yelp", "GraphName": "YelpGraph_2", "Dependencies": [ [ [ "Yelp_A", "Reviews" ] ], [ ], [ [ "Yelp_A", "RelevantBusinesses", "0" ] ] ], "Vertices": [ { "Label": "Review", "PrimaryKey": [ [ "review_id" ] ], "Definitions": [ "( FROM Yelp_A.Reviews R\n SELECT VALUE R )" ] }, { "Label": "Business", "PrimaryKey": [ [ "business_id" ] ], "Definitions": [ "( FROM Yelp_A.RelevantBusinesses() B\n SELECT VALUE B )" ] } ], "Edges": [ { "Label": "ABOUT", "DestinationLabel": "Business", "SourceLabel": "Review", "PrimaryKey": [ [ "review_id" ] ], "DestinationKey": [ [ "business_id" ] ], "SourceKey": [ [ "review_id" ] ], "Definitions": [ "" ] } ] }
diff --git a/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.3.adm b/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.3.adm
new file mode 100644
index 0000000..80af6cb
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.3.adm
@@ -0,0 +1 @@
+{ "DataverseName": "Yelp", "GraphName": "YelpGraph_2", "Dependencies": [ [ [ "Yelp_A", "Reviews" ], [ "Yelp_B", "Users" ], [ "Yelp_B", "Friends" ] ], [ [ "Yelp_B", "Yelpers" ] ], [ [ "Yelp_A", "RelevantBusinesses", "0" ] ] ], "Vertices": [ { "Label": "User", "PrimaryKey": [ [ "user_id" ] ], "Definitions": [ "Yelp_B.Yelpers" ] }, { "Label": "Review", "PrimaryKey": [ [ "review_id" ] ], "Definitions": [ "( FROM Yelp_A.Reviews R\n SELECT VALUE R )" ] }, { "Label": "Business", "PrimaryKey": [ [ "business_id" ] ], "Definitions": [ "( FROM Yelp_A.RelevantBusinesses() B\n SELECT VALUE B )" ] } ], "Edges": [ { "Label": "FRIENDS_WITH", "DestinationLabel": "User", "SourceLabel": "User", "PrimaryKey": [ [ "user_id" ], [ "friend" ] ], "DestinationKey": [ [ "friend" ] ], "SourceKey": [ [ "user_id" ] ], "Definitions": [ "( FROM Yelp_B.Users U\n UNNEST U.friends F\n SELECT U.user_id, F AS friend )", "Yelp_B.Friends" ] }, { "Label": "MADE_BY", "DestinationLabel": "User", "SourceLabel": "Review", "PrimaryKey": [ [ "review_id" ] ], "DestinationKey": [ [ "user_id" ] ], "SourceKey": [ [ "review_id" ] ], "Definitions": [ "" ] }, { "Label": "ABOUT", "DestinationLabel": "Business", "SourceLabel": "Review", "PrimaryKey": [ [ "review_id" ] ], "DestinationKey": [ [ "business_id" ] ], "SourceKey": [ [ "review_id" ] ], "Definitions": [ "" ] } ] }
diff --git a/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.4.adm b/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.4.adm
new file mode 100644
index 0000000..c1a0ea2
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/results/graphix/yelp-example/yelp-example.4.adm
@@ -0,0 +1 @@
+{ "count": 0 }
\ No newline at end of file
diff --git a/asterix-graphix/src/test/resources/metadata/testsuite.xml b/asterix-graphix/src/test/resources/metadata/testsuite.xml
new file mode 100644
index 0000000..2f45b91
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/testsuite.xml
@@ -0,0 +1,28 @@
+<!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<test-suite xmlns="urn:xml.testframework.asterix.apache.org"
+ ResultOffsetPath="results"
+ QueryOffsetPath="queries"
+ QueryFileExtension=".sqlpp">
+ <test-group name="yelp-example">
+ <test-case FilePath="graphix">
+ <compilation-unit name="yelp-example">
+ <output-dir compare="Text">yelp-example</output-dir>
+ </compilation-unit>
+ </test-case>
+ </test-group>
+</test-suite>
diff --git a/asterix-graphix/src/test/resources/runtimets/only.xml b/asterix-graphix/src/test/resources/runtimets/only.xml
new file mode 100644
index 0000000..9cb8228
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/only.xml
@@ -0,0 +1,25 @@
+<!--
+ ! Licensed to the Apache Software Foundation (ASF) under one
+ ! or more contributor license agreements. See the NOTICE file
+ ! distributed with this work for additional information
+ ! regarding copyright ownership. The ASF licenses this file
+ ! to you under the Apache License, Version 2.0 (the
+ ! "License"); you may not use this file except in compliance
+ ! with the License. You may obtain a copy of the License at
+ !
+ ! http://www.apache.org/licenses/LICENSE-2.0
+ !
+ ! Unless required by applicable law or agreed to in writing,
+ ! software distributed under the License is distributed on an
+ ! "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ! KIND, either express or implied. See the License for the
+ ! specific language governing permissions and limitations
+ ! under the License.
+ !-->
+<test-suite xmlns="urn:xml.testframework.asterix.apache.org"
+ ResultOffsetPath="results"
+ QueryOffsetPath="queries"
+ QueryFileExtension=".sqlpp">
+ <test-group name="failed">
+ </test-group>
+</test-suite>
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.1.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.1.ddl.sqlpp
new file mode 100644
index 0000000..ff47a77
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.1.ddl.sqlpp
@@ -0,0 +1,42 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that a dataset that a graph is dependent on cannot be dropped.
+
+DROP DATAVERSE TestDataverse IF EXISTS;
+CREATE DATAVERSE TestDataverse;
+USE TestDataverse;
+
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex2)
+ DESTINATION KEY (_foreign_id);
+
+DROP DATASET GenericDataset;
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.10.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.10.ddl.sqlpp
new file mode 100644
index 0000000..fe00035
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.10.ddl.sqlpp
@@ -0,0 +1,71 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that we cannot create a graph in the same dataverse with the same name.
+
+DROP DATAVERSE TestDataverse1 IF EXISTS;
+DROP DATAVERSE TestDataverse2 IF EXISTS;
+CREATE DATAVERSE TestDataverse1;
+CREATE DATAVERSE TestDataverse2;
+
+USE TestDataverse1;
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex2)
+ DESTINATION KEY (_foreign_id);
+
+USE TestDataverse2;
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex2)
+ DESTINATION KEY (_foreign_id);
+
+USE TestDataverse1;
+CREATE GRAPH TestGraph IF NOT EXISTS AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset;
+
+USE TestDataverse2;
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset;
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.11.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.11.ddl.sqlpp
new file mode 100644
index 0000000..ff0f01e
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.11.ddl.sqlpp
@@ -0,0 +1,43 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that we cannot drop a graph that doesn't exist.
+
+DROP DATAVERSE TestDataverse IF EXISTS;
+CREATE DATAVERSE TestDataverse;
+USE TestDataverse;
+
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex2)
+ DESTINATION KEY (_foreign_id);
+
+DROP GRAPH GraphThatDoesntExist1 IF EXISTS;
+DROP GRAPH GraphThatDoesntExist2;
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.2.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.2.ddl.sqlpp
new file mode 100644
index 0000000..09693af
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.2.ddl.sqlpp
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that a function that a graph is dependent on cannot be dropped.
+
+DROP DATAVERSE TestDataverse IF EXISTS;
+CREATE DATAVERSE TestDataverse;
+USE TestDataverse;
+
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE FUNCTION TestFunction () { SELECT VALUE { "a": 1, "b": 1 } };
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex2)
+ PRIMARY KEY (a, b)
+ SOURCE KEY (a)
+ DESTINATION KEY (b)
+ AS ( FROM TestFunction() T
+ SELECT T.* );
+
+DROP FUNCTION TestFunction();
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.3.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.3.ddl.sqlpp
new file mode 100644
index 0000000..a812ea1
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.3.ddl.sqlpp
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that a view that a graph is dependent on cannot be dropped.
+
+DROP DATAVERSE TestDataverse IF EXISTS;
+CREATE DATAVERSE TestDataverse;
+USE TestDataverse;
+
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE VIEW TestView AS SELECT VALUE { "a": 1, "b": 1 };
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex2)
+ PRIMARY KEY (a, b)
+ SOURCE KEY (a)
+ DESTINATION KEY (b)
+ AS ( FROM TestView T
+ SELECT T.* );
+
+DROP VIEW TestView;
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.4.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.4.ddl.sqlpp
new file mode 100644
index 0000000..0cdec73
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.4.ddl.sqlpp
@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that a synonym that a graph is dependent on cannot be dropped.
+
+DROP DATAVERSE TestDataverse IF EXISTS;
+CREATE DATAVERSE TestDataverse;
+USE TestDataverse;
+
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE SYNONYM DatasetSynonym FOR GenericDataset;
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS DatasetSynonym,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex2)
+ DESTINATION KEY (_foreign_id);
+
+DROP SYNONYM DatasetSynonym;
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.5.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.5.ddl.sqlpp
new file mode 100644
index 0000000..844389f
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.5.ddl.sqlpp
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that a dataverse that a graph is dependent on cannot be dropped.
+
+DROP DATAVERSE TestDataverse IF EXISTS;
+DROP DATAVERSE TestDataverse2 IF EXISTS;
+CREATE DATAVERSE TestDataverse;
+CREATE DATAVERSE TestDataverse2;
+
+USE TestDataverse;
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+USE TestDataverse2;
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+USE TestDataverse;
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+USE TestDataverse2;
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+USE TestDataverse;
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS TestDataverse2.GenericDataset,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex2)
+ DESTINATION KEY (_foreign_id);
+
+DROP DATAVERSE TestDataverse2;
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.6.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.6.ddl.sqlpp
new file mode 100644
index 0000000..f6173aa
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.6.ddl.sqlpp
@@ -0,0 +1,40 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that a dataset variable as an element definition is a valid dataset.
+
+DROP DATAVERSE TestDataverse IF EXISTS;
+CREATE DATAVERSE TestDataverse;
+USE TestDataverse;
+
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS DatasetThatDoesNotExist,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex2)
+ DESTINATION KEY (_foreign_id);
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.7.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.7.ddl.sqlpp
new file mode 100644
index 0000000..5191339
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.7.ddl.sqlpp
@@ -0,0 +1,45 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that a subquery as an element definition is a valid query.
+
+DROP DATAVERSE TestDataverse IF EXISTS;
+CREATE DATAVERSE TestDataverse;
+USE TestDataverse;
+
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex2)
+ PRIMARY KEY (_id, _foreign_id)
+ SOURCE KEY (_id)
+ DESTINATION KEY (_foreign_id)
+ AS ( FROM GenericDataset G,
+ GenericDataset G2
+ SELECT V );
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.8.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.8.ddl.sqlpp
new file mode 100644
index 0000000..eb0fa47
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.8.ddl.sqlpp
@@ -0,0 +1,39 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that vertices w/ the same label cannot have conflicting primary keys.
+
+DROP DATAVERSE TestDataverse IF EXISTS;
+CREATE DATAVERSE TestDataverse;
+USE TestDataverse;
+
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex1)
+ PRIMARY KEY (_other_id)
+ AS ( FROM GenericDataset
+ SELECT VALUE { "_other_id": _other_id } );
diff --git a/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.9.ddl.sqlpp b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.9.ddl.sqlpp
new file mode 100644
index 0000000..7c5269e
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/queries/graphix/error-handling/error-handling.9.ddl.sqlpp
@@ -0,0 +1,40 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Verify that edges do not reference a vertex label that does not exist.
+
+DROP DATAVERSE TestDataverse IF EXISTS;
+CREATE DATAVERSE TestDataverse;
+USE TestDataverse;
+
+CREATE TYPE GenericType
+AS { _id: uuid };
+
+CREATE DATASET GenericDataset (GenericType)
+PRIMARY KEY _id AUTOGENERATED;
+
+CREATE GRAPH TestGraph AS
+VERTEX (:Vertex1)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+VERTEX (:Vertex2)
+ PRIMARY KEY (_id)
+ AS GenericDataset,
+EDGE (:Vertex1)-[:EDGE_1]->(:Vertex3)
+ DESTINATION KEY (_foreign_id);
diff --git a/asterix-graphix/src/test/resources/runtimets/testsuite.xml b/asterix-graphix/src/test/resources/runtimets/testsuite.xml
new file mode 100644
index 0000000..ea6db85
--- /dev/null
+++ b/asterix-graphix/src/test/resources/runtimets/testsuite.xml
@@ -0,0 +1,41 @@
+<!--
+ ! Licensed to the Apache Software Foundation (ASF) under one
+ ! or more contributor license agreements. See the NOTICE file
+ ! distributed with this work for additional information
+ ! regarding copyright ownership. The ASF licenses this file
+ ! to you under the Apache License, Version 2.0 (the
+ ! "License"); you may not use this file except in compliance
+ ! with the License. You may obtain a copy of the License at
+ !
+ ! http://www.apache.org/licenses/LICENSE-2.0
+ !
+ ! Unless required by applicable law or agreed to in writing,
+ ! software distributed under the License is distributed on an
+ ! "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ! KIND, either express or implied. See the License for the
+ ! specific language governing permissions and limitations
+ ! under the License.
+ !-->
+<test-suite xmlns="urn:xml.testframework.asterix.apache.org"
+ ResultOffsetPath="results"
+ QueryOffsetPath="queries"
+ QueryFileExtension=".sqlpp">
+ <test-group name="error-handling">
+ <test-case FilePath="graphix">
+ <compilation-unit name="error-handling">
+ <output-dir compare="Text">error-handling</output-dir>
+ <expected-error>Cannot drop dataset (or view) TestDataverse.GenericDataset being used by graph TestGraph</expected-error>
+ <expected-error>Cannot drop function TestDataverse.TestFunction() being used by graph TestGraph</expected-error>
+ <expected-error>Cannot drop dataset (or view) TestDataverse.TestView being used by graph TestGraph</expected-error>
+ <expected-error>Cannot drop synonym TestDataverse.DatasetSynonym being used by graph TestGraph</expected-error>
+ <expected-error>Cannot drop dataverse: dataset (or view) TestDataverse2.GenericDataset being used by graph TestGraph</expected-error>
+ <expected-error>Bad definition for a graph element(.)*Cannot find dataset DatasetThatDoesNotExist in dataverse TestDataverse nor an alias with name DatasetThatDoesNotExist</expected-error>
+ <expected-error>Bad definition for a graph element(.)*Cannot resolve ambiguous alias reference for identifier V</expected-error>
+ <expected-error>Conflicting primary keys for vertices with label Vertex1</expected-error>
+ <expected-error>Destination vertex Vertex3 not found in the edge EDGE_1.</expected-error>
+ <expected-error>Graph TestGraph already exists.</expected-error>
+ <expected-error>Graph GraphThatDoesntExist2 does not exist.</expected-error>
+ </compilation-unit>
+ </test-case>
+ </test-group>
+</test-suite>
\ No newline at end of file
diff --git a/asterix-opt-bom/pom.xml b/asterix-opt-bom/pom.xml
new file mode 100644
index 0000000..090c1c4
--- /dev/null
+++ b/asterix-opt-bom/pom.xml
@@ -0,0 +1,42 @@
+<!--
+ ! Licensed to the Apache Software Foundation (ASF) under one
+ ! or more contributor license agreements. See the NOTICE file
+ ! distributed with this work for additional information
+ ! regarding copyright ownership. The ASF licenses this file
+ ! to you under the Apache License, Version 2.0 (the
+ ! "License"); you may not use this file except in compliance
+ ! with the License. You may obtain a copy of the License at
+ !
+ ! http://www.apache.org/licenses/LICENSE-2.0
+ !
+ ! Unless required by applicable law or agreed to in writing,
+ ! software distributed under the License is distributed on an
+ ! "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ! KIND, either express or implied. See the License for the
+ ! specific language governing permissions and limitations
+ ! under the License.
+ !-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+ <groupId>org.apache.asterix.graphix</groupId>
+ <artifactId>asterix-opt</artifactId>
+ <version>0.1.0-SNAPSHOT</version>
+ </parent>
+
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>asterix-opt-bom</artifactId>
+ <version>0.9.7-SNAPSHOT</version>
+ <packaging>pom</packaging>
+ <name>asterix-opt-bom</name>
+ <description>Graphix (Graph Extension to AsterixDB)</description>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.apache.asterix.graphix</groupId>
+ <artifactId>asterix-graphix</artifactId>
+ <version>0.1.0-SNAPSHOT</version>
+ </dependency>
+ </dependencies>
+</project>
diff --git a/pom.xml b/pom.xml
new file mode 100644
index 0000000..c5b0b51
--- /dev/null
+++ b/pom.xml
@@ -0,0 +1,37 @@
+<!--
+ ! Licensed to the Apache Software Foundation (ASF) under one
+ ! or more contributor license agreements. See the NOTICE file
+ ! distributed with this work for additional information
+ ! regarding copyright ownership. The ASF licenses this file
+ ! to you under the Apache License, Version 2.0 (the
+ ! "License"); you may not use this file except in compliance
+ ! with the License. You may obtain a copy of the License at
+ !
+ ! http://www.apache.org/licenses/LICENSE-2.0
+ !
+ ! Unless required by applicable law or agreed to in writing,
+ ! software distributed under the License is distributed on an
+ ! "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ! KIND, either express or implied. See the License for the
+ ! specific language governing permissions and limitations
+ ! under the License.
+ !-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+ <groupId>org.apache.asterix.graphix</groupId>
+ <artifactId>asterix-opt</artifactId>
+ <version>0.1.0-SNAPSHOT</version>
+ <packaging>pom</packaging>
+
+ <parent>
+ <groupId>org.apache.asterix</groupId>
+ <artifactId>apache-asterixdb</artifactId>
+ <version>0.9.7-SNAPSHOT</version>
+ </parent>
+
+ <modules>
+ <module>asterix-graphix</module>
+ <module>asterix-opt-bom</module>
+ </modules>
+</project>
--
To view, visit https://asterix-gerrit.ics.uci.edu/c/asterixdb-graph/+/14644
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Gerrit-Project: asterixdb-graph
Gerrit-Branch: master
Gerrit-Change-Id: Ibaf4dc7066b85d8ea3b58c6b90fd83af3a700506
Gerrit-Change-Number: 14644
Gerrit-PatchSet: 1
Gerrit-Owner: Glenn Galvizo <gg...@uci.edu>
Gerrit-MessageType: newchange
Change in asterixdb-graph[master]: [ASTERIXDB-2979][MTD][GRAPH] Implement CREATE / DROP GRAPH
Posted by AsterixDB Code Review <do...@asterix-gerrit.ics.uci.edu>.
From Ian Maxon <im...@uci.edu>:
Ian Maxon has posted comments on this change. ( https://asterix-gerrit.ics.uci.edu/c/asterixdb-graph/+/14644 )
Change subject: [ASTERIXDB-2979][MTD][GRAPH] Implement CREATE / DROP GRAPH
......................................................................
Patch Set 2: Code-Review+2
--
To view, visit https://asterix-gerrit.ics.uci.edu/c/asterixdb-graph/+/14644
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Gerrit-Project: asterixdb-graph
Gerrit-Branch: master
Gerrit-Change-Id: Ibaf4dc7066b85d8ea3b58c6b90fd83af3a700506
Gerrit-Change-Number: 14644
Gerrit-PatchSet: 2
Gerrit-Owner: Glenn Galvizo <gg...@uci.edu>
Gerrit-Reviewer: Ian Maxon <im...@uci.edu>
Gerrit-Reviewer: Jenkins <je...@fulliautomatix.ics.uci.edu>
Gerrit-Comment-Date: Tue, 04 Jan 2022 03:45:45 +0000
Gerrit-HasComments: No
Gerrit-Has-Labels: Yes
Gerrit-MessageType: comment