You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@asterixdb.apache.org by ti...@apache.org on 2017/11/29 17:26:23 UTC

[2/2] asterixdb git commit: [NO ISSUE] Remove Algebricks examples

[NO ISSUE] Remove Algebricks examples

Change-Id: I9465405d9e929161bcc6292c5f65c7f3f385c886
Reviewed-on: https://asterix-gerrit.ics.uci.edu/2180
Sonar-Qube: Jenkins <je...@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <je...@fulliautomatix.ics.uci.edu>
Contrib: Jenkins <je...@fulliautomatix.ics.uci.edu>
Integration-Tests: Jenkins <je...@fulliautomatix.ics.uci.edu>
Reviewed-by: Murtadha Hubail <mh...@apache.org>


Project: http://git-wip-us.apache.org/repos/asf/asterixdb/repo
Commit: http://git-wip-us.apache.org/repos/asf/asterixdb/commit/35b6c131
Tree: http://git-wip-us.apache.org/repos/asf/asterixdb/tree/35b6c131
Diff: http://git-wip-us.apache.org/repos/asf/asterixdb/diff/35b6c131

Branch: refs/heads/master
Commit: 35b6c13177ff7bd1cc367b1b0e04083ac0c181e5
Parents: dc7e68a
Author: Till Westmann <ti...@apache.org>
Authored: Wed Nov 22 17:32:45 2017 -0800
Committer: Till Westmann <ti...@apache.org>
Committed: Wed Nov 29 09:25:50 2017 -0800

----------------------------------------------------------------------
 .../algebricks-examples/piglet-example/pom.xml  | 169 --------
 .../algebricks/examples/piglet/ast/ASTNode.java |  34 --
 .../examples/piglet/ast/AssignmentNode.java     |  43 --
 .../examples/piglet/ast/DumpNode.java           |  42 --
 .../examples/piglet/ast/ExpressionNode.java     |  22 --
 .../piglet/ast/FieldAccessExpressionNode.java   |  43 --
 .../examples/piglet/ast/FilterNode.java         |  43 --
 .../examples/piglet/ast/FunctionTag.java        |  38 --
 .../piglet/ast/LiteralExpressionNode.java       |  45 ---
 .../examples/piglet/ast/LoadNode.java           |  45 ---
 .../examples/piglet/ast/RelationNode.java       |  22 --
 .../ast/ScalarFunctionExpressionNode.java       |  52 ---
 .../examples/piglet/compiler/ConstantValue.java |  61 ---
 .../piglet/compiler/PigletCompiler.java         | 383 ------------------
 .../compiler/PigletPrinterFactoryProvider.java  | 109 -----
 .../piglet/exceptions/PigletException.java      |  27 --
 .../piglet/metadata/FileSplitUtils.java         |  40 --
 .../piglet/metadata/PigletFileDataSink.java     |  58 ---
 .../piglet/metadata/PigletFileDataSource.java   |  92 -----
 .../piglet/metadata/PigletFunction.java         |  35 --
 .../piglet/metadata/PigletMetadataProvider.java | 261 ------------
 .../piglet/rewriter/PigletRewriteRuleset.java   | 135 -------
 .../piglet/runtime/PigletExpressionJobGen.java  | 146 -------
 .../IPigletFunctionEvaluatorFactoryBuilder.java |  26 --
 .../IntegerEqFunctionEvaluatorFactory.java      |  63 ---
 .../functions/PigletFunctionRegistry.java       |  54 ---
 .../examples/piglet/types/BagType.java          |  26 --
 .../examples/piglet/types/CharArrayType.java    |  31 --
 .../examples/piglet/types/DoubleType.java       |  31 --
 .../examples/piglet/types/FloatType.java        |  31 --
 .../examples/piglet/types/IntegerType.java      |  31 --
 .../examples/piglet/types/LongType.java         |  31 --
 .../examples/piglet/types/MapType.java          |  26 --
 .../examples/piglet/types/Schema.java           |  35 --
 .../examples/piglet/types/TupleType.java        |  26 --
 .../algebricks/examples/piglet/types/Type.java  |  34 --
 .../src/main/javacc/PigletParser.jj             | 395 -------------------
 .../examples/piglet/test/PigletTest.java        |  47 ---
 .../examples/piglet/test/PigletTestCase.java    |  60 ---
 .../piglet-example/testcases/q1.piglet          |  19 -
 .../piglet-example/testcases/q2.piglet          |  20 -
 .../algebricks/algebricks-examples/pom.xml      |  55 ---
 hyracks-fullstack/algebricks/pom.xml            |   1 -
 43 files changed, 2987 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/asterixdb/blob/35b6c131/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/pom.xml
----------------------------------------------------------------------
diff --git a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/pom.xml b/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/pom.xml
deleted file mode 100644
index 4827455..0000000
--- a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/pom.xml
+++ /dev/null
@@ -1,169 +0,0 @@
-<!--
- ! 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>
-  <artifactId>piglet-example</artifactId>
-  <name>piglet-example</name>
-  <parent>
-    <groupId>org.apache.hyracks</groupId>
-    <artifactId>algebricks-examples</artifactId>
-    <version>0.3.3-SNAPSHOT</version>
-  </parent>
-
-  <properties>
-    <root.dir>${basedir}/../../..</root.dir>
-  </properties>
-
-  <build>
-    <plugins>
-      <plugin>
-        <groupId>org.codehaus.mojo</groupId>
-        <artifactId>javacc-maven-plugin</artifactId>
-        <version>2.6</version>
-        <executions>
-          <execution>
-            <id>javacc</id>
-            <goals>
-              <goal>javacc</goal>
-            </goals>
-            <configuration>
-              <isStatic>false</isStatic>
-            </configuration>
-          </execution>
-        </executions>
-      </plugin>
-      <plugin>
-        <groupId>org.codehaus.mojo</groupId>
-        <artifactId>build-helper-maven-plugin</artifactId>
-        <executions>
-          <execution>
-            <id>add-source</id>
-            <phase>generate-sources</phase>
-            <goals>
-              <goal>add-source</goal>
-            </goals>
-            <configuration>
-              <sources>
-                <source>${project.build.directory}/generated-sources/javacc/</source>
-              </sources>
-            </configuration>
-          </execution>
-        </executions>
-      </plugin>
-    </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.codehaus.mojo
-                    </groupId>
-                    <artifactId>
-                      javacc-maven-plugin
-                    </artifactId>
-                    <versionRange>
-                      [2.6,)
-                    </versionRange>
-                    <goals>
-                      <goal>javacc</goal>
-                    </goals>
-                  </pluginExecutionFilter>
-                  <action>
-                    <ignore />
-                  </action>
-                </pluginExecution>
-              </pluginExecutions>
-            </lifecycleMappingMetadata>
-          </configuration>
-        </plugin>
-      </plugins>
-    </pluginManagement>
-  </build>
-  <dependencies>
-    <dependency>
-      <!-- Dependency management inherited from top-level hyracks -->
-      <groupId>junit</groupId>
-      <artifactId>junit</artifactId>
-      <scope>test</scope>
-    </dependency>
-    <dependency>
-      <groupId>org.apache.hyracks</groupId>
-      <artifactId>algebricks-compiler</artifactId>
-      <version>${project.version}</version>
-    </dependency>
-    <dependency>
-      <groupId>org.apache.hyracks</groupId>
-      <artifactId>hyracks-util</artifactId>
-      <version>${project.version}</version>
-    </dependency>
-    <dependency>
-      <groupId>org.apache.hyracks</groupId>
-      <artifactId>algebricks-common</artifactId>
-      <version>${project.version}</version>
-    </dependency>
-    <dependency>
-      <groupId>org.apache.hyracks</groupId>
-      <artifactId>hyracks-dataflow-common</artifactId>
-      <version>${project.version}</version>
-    </dependency>
-    <dependency>
-      <groupId>org.apache.hyracks</groupId>
-      <artifactId>algebricks-rewriter</artifactId>
-      <version>${project.version}</version>
-    </dependency>
-    <dependency>
-      <groupId>org.apache.hyracks</groupId>
-      <artifactId>algebricks-runtime</artifactId>
-      <version>${project.version}</version>
-    </dependency>
-    <dependency>
-      <groupId>org.apache.hyracks</groupId>
-      <artifactId>algebricks-data</artifactId>
-      <version>${project.version}</version>
-    </dependency>
-    <dependency>
-      <groupId>org.apache.hyracks</groupId>
-      <artifactId>hyracks-api</artifactId>
-      <version>${project.version}</version>
-    </dependency>
-    <dependency>
-      <groupId>org.apache.hyracks</groupId>
-      <artifactId>hyracks-dataflow-std</artifactId>
-      <version>${project.version}</version>
-    </dependency>
-    <dependency>
-      <groupId>org.apache.hyracks</groupId>
-      <artifactId>hyracks-data-std</artifactId>
-      <version>${project.version}</version>
-    </dependency>
-    <dependency>
-      <groupId>org.apache.commons</groupId>
-      <artifactId>commons-lang3</artifactId>
-    </dependency>
-  </dependencies>
-</project>

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/35b6c131/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/ASTNode.java
----------------------------------------------------------------------
diff --git a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/ASTNode.java b/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/ASTNode.java
deleted file mode 100644
index c303e99..0000000
--- a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/ASTNode.java
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * 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.hyracks.algebricks.examples.piglet.ast;
-
-public abstract class ASTNode {
-    public enum Tag {
-        ASSIGNMENT,
-        DUMP,
-        LOAD,
-        FILTER,
-
-        SCALAR_FUNCTION,
-        LITERAL,
-        FIELD_ACCESS,
-    }
-
-    public abstract Tag getTag();
-}

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/35b6c131/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/AssignmentNode.java
----------------------------------------------------------------------
diff --git a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/AssignmentNode.java b/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/AssignmentNode.java
deleted file mode 100644
index 8a99cb8..0000000
--- a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/AssignmentNode.java
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * 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.hyracks.algebricks.examples.piglet.ast;
-
-public class AssignmentNode extends ASTNode {
-    private String alias;
-
-    private RelationNode relation;
-
-    public AssignmentNode(String alias, RelationNode relation) {
-        this.alias = alias;
-        this.relation = relation;
-    }
-
-    @Override
-    public Tag getTag() {
-        return Tag.ASSIGNMENT;
-    }
-
-    public String getAlias() {
-        return alias;
-    }
-
-    public RelationNode getRelation() {
-        return relation;
-    }
-}

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/35b6c131/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/DumpNode.java
----------------------------------------------------------------------
diff --git a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/DumpNode.java b/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/DumpNode.java
deleted file mode 100644
index 66a229c..0000000
--- a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/DumpNode.java
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * 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.hyracks.algebricks.examples.piglet.ast;
-
-public class DumpNode extends RelationNode {
-    private final String file;
-    private final String alias;
-
-    public DumpNode(String file, String alias) {
-        this.file = file;
-        this.alias = alias;
-    }
-
-    @Override
-    public Tag getTag() {
-        return Tag.DUMP;
-    }
-
-    public String getFile() {
-        return file;
-    }
-
-    public String getAlias() {
-        return alias;
-    }
-}

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/35b6c131/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/ExpressionNode.java
----------------------------------------------------------------------
diff --git a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/ExpressionNode.java b/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/ExpressionNode.java
deleted file mode 100644
index 4470cd9..0000000
--- a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/ExpressionNode.java
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * 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.hyracks.algebricks.examples.piglet.ast;
-
-public abstract class ExpressionNode extends ASTNode {
-}

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/35b6c131/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/FieldAccessExpressionNode.java
----------------------------------------------------------------------
diff --git a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/FieldAccessExpressionNode.java b/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/FieldAccessExpressionNode.java
deleted file mode 100644
index cfd9bdd..0000000
--- a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/FieldAccessExpressionNode.java
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * 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.hyracks.algebricks.examples.piglet.ast;
-
-public class FieldAccessExpressionNode extends ExpressionNode {
-    private String relationName;
-
-    private String fieldName;
-
-    public FieldAccessExpressionNode(String relationName, String fieldName) {
-        this.relationName = relationName;
-        this.fieldName = fieldName;
-    }
-
-    @Override
-    public Tag getTag() {
-        return Tag.FIELD_ACCESS;
-    }
-
-    public String getRelationName() {
-        return relationName;
-    }
-
-    public String getFieldName() {
-        return fieldName;
-    }
-}

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/35b6c131/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/FilterNode.java
----------------------------------------------------------------------
diff --git a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/FilterNode.java b/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/FilterNode.java
deleted file mode 100644
index b77a6a9..0000000
--- a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/FilterNode.java
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * 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.hyracks.algebricks.examples.piglet.ast;
-
-public class FilterNode extends RelationNode {
-    private String alias;
-
-    private ExpressionNode expression;
-
-    public FilterNode(String alias, ExpressionNode expression) {
-        this.alias = alias;
-        this.expression = expression;
-    }
-
-    @Override
-    public Tag getTag() {
-        return Tag.FILTER;
-    }
-
-    public String getAlias() {
-        return alias;
-    }
-
-    public ExpressionNode getExpression() {
-        return expression;
-    }
-}

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/35b6c131/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/FunctionTag.java
----------------------------------------------------------------------
diff --git a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/FunctionTag.java b/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/FunctionTag.java
deleted file mode 100644
index b63af9c..0000000
--- a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/FunctionTag.java
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * 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.hyracks.algebricks.examples.piglet.ast;
-
-public enum FunctionTag {
-    BOOLEAN_AND,
-    BOOLEAN_OR,
-    BOOLEAN_NOT,
-
-    EQ,
-    NEQ,
-    LT,
-    LTE,
-    GT,
-    GTE,
-
-    ADD,
-    SUBTRACT,
-    MULTIPLY,
-    DIVIDE,
-    MOD,
-}

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/35b6c131/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/LiteralExpressionNode.java
----------------------------------------------------------------------
diff --git a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/LiteralExpressionNode.java b/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/LiteralExpressionNode.java
deleted file mode 100644
index d039145..0000000
--- a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/LiteralExpressionNode.java
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- * 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.hyracks.algebricks.examples.piglet.ast;
-
-import org.apache.hyracks.algebricks.examples.piglet.types.Type;
-
-public class LiteralExpressionNode extends ExpressionNode {
-    private String image;
-
-    private Type type;
-
-    public LiteralExpressionNode(String image, Type type) {
-        this.image = image;
-        this.type = type;
-    }
-
-    @Override
-    public Tag getTag() {
-        return Tag.LITERAL;
-    }
-
-    public String getImage() {
-        return image;
-    }
-
-    public Type getType() {
-        return type;
-    }
-}

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/35b6c131/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/LoadNode.java
----------------------------------------------------------------------
diff --git a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/LoadNode.java b/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/LoadNode.java
deleted file mode 100644
index 6be1d9f..0000000
--- a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/LoadNode.java
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- * 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.hyracks.algebricks.examples.piglet.ast;
-
-import org.apache.hyracks.algebricks.examples.piglet.types.Schema;
-
-public class LoadNode extends RelationNode {
-    private String dataFile;
-
-    private Schema schema;
-
-    public LoadNode(String dataFile, Schema schema) {
-        this.dataFile = dataFile;
-        this.schema = schema;
-    }
-
-    @Override
-    public Tag getTag() {
-        return Tag.LOAD;
-    }
-
-    public String getDataFile() {
-        return dataFile;
-    }
-
-    public Schema getSchema() {
-        return schema;
-    }
-}

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/35b6c131/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/RelationNode.java
----------------------------------------------------------------------
diff --git a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/RelationNode.java b/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/RelationNode.java
deleted file mode 100644
index f36da51..0000000
--- a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/RelationNode.java
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * 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.hyracks.algebricks.examples.piglet.ast;
-
-public abstract class RelationNode extends ASTNode {
-}

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/35b6c131/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/ScalarFunctionExpressionNode.java
----------------------------------------------------------------------
diff --git a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/ScalarFunctionExpressionNode.java b/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/ScalarFunctionExpressionNode.java
deleted file mode 100644
index e1dea89..0000000
--- a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/ScalarFunctionExpressionNode.java
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * 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.hyracks.algebricks.examples.piglet.ast;
-
-import java.util.List;
-
-public class ScalarFunctionExpressionNode extends ExpressionNode {
-    private FunctionTag fTag;
-
-    private String fName;
-
-    private List<ASTNode> arguments;
-
-    public ScalarFunctionExpressionNode(FunctionTag fTag, String fName, List<ASTNode> arguments) {
-        this.fTag = fTag;
-        this.fName = fName;
-        this.arguments = arguments;
-    }
-
-    @Override
-    public Tag getTag() {
-        return Tag.SCALAR_FUNCTION;
-    }
-
-    public FunctionTag getFunctionTag() {
-        return fTag;
-    }
-
-    public String getFunctionName() {
-        return fName;
-    }
-
-    public List<ASTNode> getArguments() {
-        return arguments;
-    }
-}

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/35b6c131/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/compiler/ConstantValue.java
----------------------------------------------------------------------
diff --git a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/compiler/ConstantValue.java b/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/compiler/ConstantValue.java
deleted file mode 100644
index 90d5b83..0000000
--- a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/compiler/ConstantValue.java
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * 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.hyracks.algebricks.examples.piglet.compiler;
-
-import org.apache.hyracks.algebricks.core.algebra.expressions.IAlgebricksConstantValue;
-import org.apache.hyracks.algebricks.examples.piglet.types.Type;
-
-public final class ConstantValue implements IAlgebricksConstantValue {
-    private final Type type;
-
-    private final String image;
-
-    public ConstantValue(Type type, String image) {
-        this.type = type;
-        this.image = image;
-    }
-
-    public Type getType() {
-        return type;
-    }
-
-    public String getImage() {
-        return image;
-    }
-
-    @Override
-    public boolean isFalse() {
-        return false;
-    }
-
-    @Override
-    public boolean isMissing() {
-        return false;
-    }
-
-    @Override
-    public boolean isNull() {
-        return false;
-    }
-
-    @Override
-    public boolean isTrue() {
-        return false;
-    }
-}

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/35b6c131/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/compiler/PigletCompiler.java
----------------------------------------------------------------------
diff --git a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/compiler/PigletCompiler.java b/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/compiler/PigletCompiler.java
deleted file mode 100644
index c8b6e59..0000000
--- a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/compiler/PigletCompiler.java
+++ /dev/null
@@ -1,383 +0,0 @@
-/*
- * 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.hyracks.algebricks.examples.piglet.compiler;
-
-import java.io.Reader;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.logging.Level;
-import java.util.logging.Logger;
-
-import org.apache.commons.lang3.mutable.Mutable;
-import org.apache.commons.lang3.mutable.MutableObject;
-import org.apache.hyracks.algebricks.common.constraints.AlgebricksAbsolutePartitionConstraint;
-import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
-import org.apache.hyracks.algebricks.common.utils.Pair;
-import org.apache.hyracks.algebricks.compiler.api.HeuristicCompilerFactoryBuilder;
-import org.apache.hyracks.algebricks.compiler.api.ICompiler;
-import org.apache.hyracks.algebricks.compiler.api.ICompilerFactory;
-import org.apache.hyracks.algebricks.compiler.rewriter.rulecontrollers.SequentialFixpointRuleController;
-import org.apache.hyracks.algebricks.compiler.rewriter.rulecontrollers.SequentialOnceRuleController;
-import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import org.apache.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
-import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionTypeComputer;
-import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import org.apache.hyracks.algebricks.core.algebra.expressions.ExpressionRuntimeProvider;
-import org.apache.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression;
-import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import org.apache.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
-import org.apache.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
-import org.apache.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
-import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
-import org.apache.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
-import org.apache.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
-import org.apache.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
-import org.apache.hyracks.algebricks.core.algebra.operators.logical.WriteOperator;
-import org.apache.hyracks.algebricks.core.algebra.plan.ALogicalPlanImpl;
-import org.apache.hyracks.algebricks.core.algebra.prettyprint.AlgebricksAppendable;
-import org.apache.hyracks.algebricks.core.algebra.prettyprint.LogicalOperatorPrettyPrintVisitor;
-import org.apache.hyracks.algebricks.core.algebra.prettyprint.PlanPrettyPrinter;
-import org.apache.hyracks.algebricks.core.rewriter.base.AbstractRuleController;
-import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
-import org.apache.hyracks.algebricks.data.ISerializerDeserializerProvider;
-import org.apache.hyracks.algebricks.data.ITypeTraitProvider;
-import org.apache.hyracks.algebricks.examples.piglet.ast.ASTNode;
-import org.apache.hyracks.algebricks.examples.piglet.ast.AssignmentNode;
-import org.apache.hyracks.algebricks.examples.piglet.ast.DumpNode;
-import org.apache.hyracks.algebricks.examples.piglet.ast.ExpressionNode;
-import org.apache.hyracks.algebricks.examples.piglet.ast.FieldAccessExpressionNode;
-import org.apache.hyracks.algebricks.examples.piglet.ast.FilterNode;
-import org.apache.hyracks.algebricks.examples.piglet.ast.FunctionTag;
-import org.apache.hyracks.algebricks.examples.piglet.ast.LiteralExpressionNode;
-import org.apache.hyracks.algebricks.examples.piglet.ast.LoadNode;
-import org.apache.hyracks.algebricks.examples.piglet.ast.RelationNode;
-import org.apache.hyracks.algebricks.examples.piglet.ast.ScalarFunctionExpressionNode;
-import org.apache.hyracks.algebricks.examples.piglet.exceptions.PigletException;
-import org.apache.hyracks.algebricks.examples.piglet.metadata.PigletFileDataSink;
-import org.apache.hyracks.algebricks.examples.piglet.metadata.PigletFileDataSource;
-import org.apache.hyracks.algebricks.examples.piglet.metadata.PigletMetadataProvider;
-import org.apache.hyracks.algebricks.examples.piglet.parser.ParseException;
-import org.apache.hyracks.algebricks.examples.piglet.parser.PigletParser;
-import org.apache.hyracks.algebricks.examples.piglet.rewriter.PigletRewriteRuleset;
-import org.apache.hyracks.algebricks.examples.piglet.runtime.PigletExpressionJobGen;
-import org.apache.hyracks.algebricks.examples.piglet.types.Schema;
-import org.apache.hyracks.algebricks.examples.piglet.types.Type;
-import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
-import org.apache.hyracks.api.dataflow.value.ITypeTraits;
-import org.apache.hyracks.api.job.JobSpecification;
-
-public class PigletCompiler {
-    private static final Logger LOGGER = Logger.getLogger(PigletCompiler.class.getName());
-
-    private static List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> buildDefaultLogicalRewrites() {
-        List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> defaultLogicalRewrites = new ArrayList<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>>();
-        SequentialFixpointRuleController seqCtrlNoDfs = new SequentialFixpointRuleController(false);
-        SequentialFixpointRuleController seqCtrlFullDfs = new SequentialFixpointRuleController(true);
-        SequentialOnceRuleController seqOnceCtrl = new SequentialOnceRuleController(true);
-        defaultLogicalRewrites.add(new Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>(seqOnceCtrl,
-                PigletRewriteRuleset.buildTypeInferenceRuleCollection()));
-        defaultLogicalRewrites.add(new Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>(seqCtrlFullDfs,
-                PigletRewriteRuleset.buildNormalizationRuleCollection()));
-        defaultLogicalRewrites.add(new Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>(seqCtrlNoDfs,
-                PigletRewriteRuleset.buildCondPushDownRuleCollection()));
-        defaultLogicalRewrites.add(new Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>(seqCtrlNoDfs,
-                PigletRewriteRuleset.buildJoinInferenceRuleCollection()));
-        defaultLogicalRewrites.add(new Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>(seqCtrlNoDfs,
-                PigletRewriteRuleset.buildOpPushDownRuleCollection()));
-        defaultLogicalRewrites.add(new Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>(seqOnceCtrl,
-                PigletRewriteRuleset.buildDataExchangeRuleCollection()));
-        defaultLogicalRewrites.add(new Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>(seqCtrlNoDfs,
-                PigletRewriteRuleset.buildConsolidationRuleCollection()));
-        return defaultLogicalRewrites;
-    }
-
-    private static List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> buildDefaultPhysicalRewrites() {
-        List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> defaultPhysicalRewrites = new ArrayList<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>>();
-        SequentialOnceRuleController seqOnceCtrlAllLevels = new SequentialOnceRuleController(true);
-        SequentialOnceRuleController seqOnceCtrlTopLevel = new SequentialOnceRuleController(false);
-        defaultPhysicalRewrites.add(new Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>(seqOnceCtrlAllLevels,
-                PigletRewriteRuleset.buildPhysicalRewritesAllLevelsRuleCollection()));
-        defaultPhysicalRewrites.add(new Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>(seqOnceCtrlTopLevel,
-                PigletRewriteRuleset.buildPhysicalRewritesTopLevelRuleCollection()));
-        defaultPhysicalRewrites.add(new Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>(seqOnceCtrlAllLevels,
-                PigletRewriteRuleset.prepareForJobGenRuleCollection()));
-        return defaultPhysicalRewrites;
-    }
-
-    private final ICompilerFactory cFactory;
-
-    private final PigletMetadataProvider metadataProvider;
-
-    private int varCounter;
-
-    private ILogicalOperator previousOp;
-
-    public PigletCompiler() {
-        HeuristicCompilerFactoryBuilder builder = new HeuristicCompilerFactoryBuilder();
-        builder.setLogicalRewrites(buildDefaultLogicalRewrites());
-        builder.setPhysicalRewrites(buildDefaultPhysicalRewrites());
-        builder.setSerializerDeserializerProvider(new ISerializerDeserializerProvider() {
-            @SuppressWarnings("unchecked")
-            @Override
-            public ISerializerDeserializer getSerializerDeserializer(Object type) throws AlgebricksException {
-                return null;
-            }
-        });
-        builder.setTypeTraitProvider(new ITypeTraitProvider() {
-            @Override
-            public ITypeTraits getTypeTrait(Object type) {
-                return null;
-            }
-        });
-        builder.setPrinterProvider(PigletPrinterFactoryProvider.INSTANCE);
-        builder.setExpressionRuntimeProvider(
-                new ExpressionRuntimeProvider(new PigletExpressionJobGen()));
-        builder.setExpressionTypeComputer(new IExpressionTypeComputer() {
-            @Override
-            public Object getType(ILogicalExpression expr, IMetadataProvider<?, ?> metadataProvider,
-                    IVariableTypeEnvironment env) throws AlgebricksException {
-                return null;
-            }
-        });
-        builder.setClusterLocations(new AlgebricksAbsolutePartitionConstraint(new String[] { "nc1", "nc2" }));
-        cFactory = builder.create();
-        metadataProvider = new PigletMetadataProvider();
-    }
-
-    public List<ASTNode> parse(Reader in) throws ParseException {
-        PigletParser parser = new PigletParser(in);
-        List<ASTNode> statements = parser.Statements();
-        return statements;
-    }
-
-    public JobSpecification compile(List<ASTNode> ast) throws AlgebricksException, PigletException {
-        ILogicalPlan plan = translate(ast);
-        if (LOGGER.isLoggable(Level.INFO)) {
-            LOGGER.info("Translated Plan:");
-            LOGGER.info(getPrettyPrintedPlan(plan));
-        }
-        ICompiler compiler = cFactory.createCompiler(plan, metadataProvider, varCounter);
-        compiler.optimize();
-        if (LOGGER.isLoggable(Level.INFO)) {
-            LOGGER.info("Optimized Plan:");
-            LOGGER.info(getPrettyPrintedPlan(plan));
-        }
-        return compiler.createJob(null, null);
-    }
-
-    private ILogicalPlan translate(List<ASTNode> ast) throws PigletException {
-        Map<String, Relation> symMap = new HashMap<String, Relation>();
-        List<Mutable<ILogicalOperator>> roots = new ArrayList<Mutable<ILogicalOperator>>();
-        previousOp = null;
-        for (ASTNode an : ast) {
-            switch (an.getTag()) {
-                case DUMP: {
-                    DumpNode dn = (DumpNode) an;
-                    Relation input = symMap.get(dn.getAlias());
-                    List<Mutable<ILogicalExpression>> expressions = new ArrayList<Mutable<ILogicalExpression>>();
-                    for (LogicalVariable v : input.schema.values()) {
-                        expressions.add(new MutableObject<ILogicalExpression>(new VariableReferenceExpression(v)));
-                    }
-                    PigletFileDataSink dataSink = new PigletFileDataSink(dn.getFile());
-                    ILogicalOperator op = new WriteOperator(expressions, dataSink);
-                    op.getInputs().add(new MutableObject<ILogicalOperator>(input.op));
-                    roots.add(new MutableObject<ILogicalOperator>(op));
-                }
-                    break;
-
-                case ASSIGNMENT: {
-                    AssignmentNode asn = (AssignmentNode) an;
-                    String alias = asn.getAlias();
-                    RelationNode rn = asn.getRelation();
-                    Relation rel = translate(rn, symMap);
-                    previousOp = rel.op;
-                    rel.alias = alias;
-                    symMap.put(alias, rel);
-                }
-                    break;
-            }
-        }
-        return new ALogicalPlanImpl(roots);
-    }
-
-    private Relation translate(RelationNode rn, Map<String, Relation> symMap) throws PigletException {
-        switch (rn.getTag()) {
-            case LOAD: {
-                LoadNode ln = (LoadNode) rn;
-                String file = ln.getDataFile();
-                Schema schema = ln.getSchema();
-                List<Pair<String, Type>> fieldsSchema = schema.getSchema();
-                List<LogicalVariable> variables = new ArrayList<LogicalVariable>();
-                List<Object> types = new ArrayList<Object>();
-                Relation rel = new Relation();
-                for (Pair<String, Type> p : fieldsSchema) {
-                    LogicalVariable v = newVariable();
-                    rel.schema.put(p.first, v);
-                    variables.add(v);
-                    types.add(p.second);
-                }
-                PigletFileDataSource ds = new PigletFileDataSource(file, types.toArray());
-                rel.op = new DataSourceScanOperator(variables, ds);
-                rel.op.getInputs().add(new MutableObject<ILogicalOperator>(
-                        previousOp == null ? new EmptyTupleSourceOperator() : previousOp));
-                return rel;
-            }
-
-            case FILTER: {
-                FilterNode fn = (FilterNode) rn;
-                String alias = fn.getAlias();
-                ExpressionNode conditionNode = fn.getExpression();
-                Relation inputRel = findInputRelation(alias, symMap);
-                Pair<Relation, LogicalVariable> tempInput = translateScalarExpression(inputRel, conditionNode);
-                Relation rel = new Relation();
-                rel.op = new SelectOperator(
-                        new MutableObject<ILogicalExpression>(new VariableReferenceExpression(tempInput.second)), false,
-                        null);
-                rel.op.getInputs().add(new MutableObject<ILogicalOperator>(tempInput.first.op));
-                rel.schema.putAll(tempInput.first.schema);
-                return rel;
-            }
-        }
-        throw new IllegalArgumentException("Unknown node: " + rn.getTag() + " encountered");
-    }
-
-    private Pair<Relation, LogicalVariable> translateScalarExpression(Relation inputRel, ExpressionNode expressionNode)
-            throws PigletException {
-        switch (expressionNode.getTag()) {
-            case FIELD_ACCESS: {
-                FieldAccessExpressionNode faen = (FieldAccessExpressionNode) expressionNode;
-                String fieldName = faen.getFieldName();
-                LogicalVariable lVar = findField(fieldName, inputRel.schema);
-                return new Pair<Relation, LogicalVariable>(inputRel, lVar);
-            }
-
-            case LITERAL: {
-                LiteralExpressionNode len = (LiteralExpressionNode) expressionNode;
-                String image = len.getImage();
-                Type type = len.getType();
-                ConstantExpression ce = new ConstantExpression(new ConstantValue(type, image));
-                Relation rel = new Relation();
-                LogicalVariable var = newVariable();
-                List<LogicalVariable> vars = new ArrayList<LogicalVariable>();
-                vars.add(var);
-
-                List<Mutable<ILogicalExpression>> exprs = new ArrayList<Mutable<ILogicalExpression>>();
-                exprs.add(new MutableObject<ILogicalExpression>(ce));
-
-                rel.op = new AssignOperator(vars, exprs);
-                rel.op.getInputs().add(new MutableObject<ILogicalOperator>(inputRel.op));
-                rel.schema.putAll(inputRel.schema);
-
-                return new Pair<Relation, LogicalVariable>(rel, var);
-            }
-
-            case SCALAR_FUNCTION: {
-                ScalarFunctionExpressionNode sfen = (ScalarFunctionExpressionNode) expressionNode;
-                List<Mutable<ILogicalExpression>> argExprs = new ArrayList<Mutable<ILogicalExpression>>();
-                List<ASTNode> arguments = sfen.getArguments();
-                Relation rel = inputRel;
-                for (ASTNode a : arguments) {
-                    Pair<Relation, LogicalVariable> argPair = translateScalarExpression(rel, (ExpressionNode) a);
-                    rel = argPair.first;
-                    argExprs.add(
-                            new MutableObject<ILogicalExpression>(new VariableReferenceExpression(argPair.second)));
-                }
-                Relation outRel = new Relation();
-                outRel.schema.putAll(rel.schema);
-                LogicalVariable var = newVariable();
-                List<LogicalVariable> vars = new ArrayList<LogicalVariable>();
-                vars.add(var);
-
-                IFunctionInfo fInfo = lookupFunction(sfen.getFunctionTag(), sfen.getFunctionName());
-
-                List<Mutable<ILogicalExpression>> exprs = new ArrayList<Mutable<ILogicalExpression>>();
-                exprs.add(new MutableObject<ILogicalExpression>(new ScalarFunctionCallExpression(fInfo, argExprs)));
-                outRel.op = new AssignOperator(vars, exprs);
-                outRel.op.getInputs().add(new MutableObject<ILogicalOperator>(rel.op));
-                return new Pair<Relation, LogicalVariable>(outRel, var);
-            }
-        }
-        return null;
-    }
-
-    private IFunctionInfo lookupFunction(FunctionTag functionTag, String functionName) throws PigletException {
-        switch (functionTag) {
-            case EQ:
-                return metadataProvider.lookupFunction(AlgebricksBuiltinFunctions.EQ);
-
-            case NEQ:
-                return metadataProvider.lookupFunction(AlgebricksBuiltinFunctions.NEQ);
-
-            case LT:
-                return metadataProvider.lookupFunction(AlgebricksBuiltinFunctions.LT);
-
-            case LTE:
-                return metadataProvider.lookupFunction(AlgebricksBuiltinFunctions.LE);
-
-            case GT:
-                return metadataProvider.lookupFunction(AlgebricksBuiltinFunctions.GT);
-
-            case GTE:
-                return metadataProvider.lookupFunction(AlgebricksBuiltinFunctions.GE);
-        }
-        throw new PigletException("Unsupported function: " + functionTag);
-    }
-
-    private LogicalVariable newVariable() {
-        return new LogicalVariable(varCounter++);
-    }
-
-    private LogicalVariable findField(String fieldName, Map<String, LogicalVariable> schema) throws PigletException {
-        LogicalVariable var = schema.get(fieldName);
-        if (var == null) {
-            throw new PigletException("Unable to find field named: " + fieldName);
-        }
-        return var;
-    }
-
-    private Relation findInputRelation(String alias, Map<String, Relation> symMap) throws PigletException {
-        Relation rel = symMap.get(alias);
-        if (rel == null) {
-            throw new PigletException("Unknown alias " + alias + "referenced");
-        }
-        return rel;
-    }
-
-    private static class Relation {
-        String alias;
-        ILogicalOperator op;
-        final Map<String, LogicalVariable> schema;
-
-        public Relation() {
-            schema = new LinkedHashMap<String, LogicalVariable>();
-        }
-    }
-
-    private String getPrettyPrintedPlan(ILogicalPlan plan) throws AlgebricksException {
-        LogicalOperatorPrettyPrintVisitor v = new LogicalOperatorPrettyPrintVisitor();
-        PlanPrettyPrinter.printPlan(plan, v, 0);
-        return v.get().toString();
-    }
-}

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/35b6c131/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/compiler/PigletPrinterFactoryProvider.java
----------------------------------------------------------------------
diff --git a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/compiler/PigletPrinterFactoryProvider.java b/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/compiler/PigletPrinterFactoryProvider.java
deleted file mode 100644
index 135a9a7..0000000
--- a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/compiler/PigletPrinterFactoryProvider.java
+++ /dev/null
@@ -1,109 +0,0 @@
-/*
- * 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.hyracks.algebricks.examples.piglet.compiler;
-
-import java.io.IOException;
-import java.io.PrintStream;
-
-import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
-import org.apache.hyracks.algebricks.data.IPrinter;
-import org.apache.hyracks.algebricks.data.IPrinterFactory;
-import org.apache.hyracks.algebricks.data.IPrinterFactoryProvider;
-import org.apache.hyracks.algebricks.data.impl.IntegerPrinterFactory;
-import org.apache.hyracks.algebricks.examples.piglet.types.Type;
-import org.apache.hyracks.api.exceptions.HyracksDataException;
-import org.apache.hyracks.data.std.primitive.FloatPointable;
-import org.apache.hyracks.util.string.UTF8StringUtil;
-
-public class PigletPrinterFactoryProvider implements IPrinterFactoryProvider {
-
-    public static final PigletPrinterFactoryProvider INSTANCE = new PigletPrinterFactoryProvider();
-
-    private PigletPrinterFactoryProvider() {
-    }
-
-    @Override
-    public IPrinterFactory getPrinterFactory(Object type) {
-        Type t = (Type) type;
-        switch (t.getTag()) {
-            case INTEGER:
-                return IntegerPrinterFactory.INSTANCE;
-            case CHAR_ARRAY:
-                return CharArrayPrinterFactory.INSTANCE;
-            case FLOAT:
-                return FloatPrinterFactory.INSTANCE;
-            default:
-                throw new UnsupportedOperationException();
-
-        }
-    }
-
-    public static class CharArrayPrinterFactory implements IPrinterFactory {
-
-        private static final long serialVersionUID = 1L;
-
-        public static final CharArrayPrinterFactory INSTANCE = new CharArrayPrinterFactory();
-
-        private CharArrayPrinterFactory() {
-        }
-
-        @Override
-        public IPrinter createPrinter() {
-            return new IPrinter() {
-                @Override
-                public void init() {
-                }
-
-                @Override
-                public void print(byte[] b, int s, int l, PrintStream ps) throws HyracksDataException {
-                    try {
-                        UTF8StringUtil.printUTF8StringWithQuotes(b, s, l, ps);
-                    } catch (IOException e) {
-                        throw new HyracksDataException(e);
-                    }
-                }
-            };
-        }
-    }
-
-    public static class FloatPrinterFactory implements IPrinterFactory {
-
-        private static final long serialVersionUID = 1L;
-
-        public static final FloatPrinterFactory INSTANCE = new FloatPrinterFactory();
-
-        private FloatPrinterFactory() {
-        }
-
-        @Override
-        public IPrinter createPrinter() {
-            return new IPrinter() {
-                @Override
-                public void init() throws HyracksDataException {
-                }
-
-                @Override
-                public void print(byte[] b, int s, int l, PrintStream ps) throws HyracksDataException {
-                    ps.print(FloatPointable.getFloat(b, s));
-                }
-            };
-        }
-    }
-
-}

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/35b6c131/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/exceptions/PigletException.java
----------------------------------------------------------------------
diff --git a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/exceptions/PigletException.java b/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/exceptions/PigletException.java
deleted file mode 100644
index 67f9d5b..0000000
--- a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/exceptions/PigletException.java
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * 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.hyracks.algebricks.examples.piglet.exceptions;
-
-public class PigletException extends Exception {
-    private static final long serialVersionUID = 1L;
-
-    public PigletException(String message) {
-        super(message);
-    }
-}

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/35b6c131/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/FileSplitUtils.java
----------------------------------------------------------------------
diff --git a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/FileSplitUtils.java b/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/FileSplitUtils.java
deleted file mode 100644
index 5d9576f..0000000
--- a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/FileSplitUtils.java
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * 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.hyracks.algebricks.examples.piglet.metadata;
-
-import java.io.File;
-
-import org.apache.hyracks.api.io.FileSplit;
-import org.apache.hyracks.api.io.UnmanagedFileSplit;
-
-public class FileSplitUtils {
-    public static FileSplit[] parseFileSplits(String fileSplits) {
-        String[] splits = fileSplits.split(",");
-        FileSplit[] fSplits = new FileSplit[splits.length];
-        for (int i = 0; i < splits.length; ++i) {
-            String s = splits[i].trim();
-            int idx = s.indexOf(':');
-            if (idx < 0) {
-                throw new IllegalArgumentException("File split " + s + " not well formed");
-            }
-            fSplits[i] = new UnmanagedFileSplit(s.substring(0, idx), new File(s.substring(idx + 1)).getAbsolutePath());
-        }
-        return fSplits;
-    }
-}

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/35b6c131/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/PigletFileDataSink.java
----------------------------------------------------------------------
diff --git a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/PigletFileDataSink.java b/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/PigletFileDataSink.java
deleted file mode 100644
index d0d94ac..0000000
--- a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/PigletFileDataSink.java
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
- * 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.hyracks.algebricks.examples.piglet.metadata;
-
-import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSink;
-import org.apache.hyracks.algebricks.core.algebra.properties.FileSplitDomain;
-import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
-import org.apache.hyracks.algebricks.core.algebra.properties.RandomPartitioningProperty;
-import org.apache.hyracks.api.io.FileSplit;
-
-public class PigletFileDataSink implements IDataSink {
-    private String file;
-
-    private FileSplit[] fileSplits;
-
-    private IPartitioningProperty partProp;
-
-    public PigletFileDataSink(String file) {
-        this.file = file;
-        fileSplits = FileSplitUtils.parseFileSplits(file);
-        partProp = new RandomPartitioningProperty(new FileSplitDomain(fileSplits));
-    }
-
-    @Override
-    public Object getId() {
-        return file;
-    }
-
-    public FileSplit[] getFileSplits() {
-        return fileSplits;
-    }
-
-    @Override
-    public Object[] getSchemaTypes() {
-        return null;
-    }
-
-    @Override
-    public IPartitioningProperty getPartitioningProperty() {
-        return partProp;
-    }
-}

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/35b6c131/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/PigletFileDataSource.java
----------------------------------------------------------------------
diff --git a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/PigletFileDataSource.java b/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/PigletFileDataSource.java
deleted file mode 100644
index 6a675fc..0000000
--- a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/PigletFileDataSource.java
+++ /dev/null
@@ -1,92 +0,0 @@
-/*
- * 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.hyracks.algebricks.examples.piglet.metadata;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSource;
-import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSourcePropertiesProvider;
-import org.apache.hyracks.algebricks.core.algebra.properties.FileSplitDomain;
-import org.apache.hyracks.algebricks.core.algebra.properties.FunctionalDependency;
-import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
-import org.apache.hyracks.algebricks.core.algebra.properties.INodeDomain;
-import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import org.apache.hyracks.algebricks.core.algebra.properties.RandomPartitioningProperty;
-import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import org.apache.hyracks.api.io.FileSplit;
-
-public class PigletFileDataSource implements IDataSource<String> {
-    private final String file;
-
-    private final Object[] types;
-
-    private final FileSplit[] fileSplits;
-
-    private IDataSourcePropertiesProvider propProvider;
-
-    public PigletFileDataSource(String file, Object[] types) {
-        this.file = file;
-        this.types = types;
-        fileSplits = FileSplitUtils.parseFileSplits(file);
-        final IPhysicalPropertiesVector vec = new StructuralPropertiesVector(new RandomPartitioningProperty(
-                new FileSplitDomain(fileSplits)), new ArrayList<ILocalStructuralProperty>());
-        propProvider = new IDataSourcePropertiesProvider() {
-            @Override
-            public IPhysicalPropertiesVector computePropertiesVector(List<LogicalVariable> scanVariables) {
-                return vec;
-            }
-        };
-
-    }
-
-    @Override
-    public INodeDomain getDomain() {
-        return new FileSplitDomain(fileSplits);
-    }
-
-    @Override
-    public String getId() {
-        return file;
-    }
-
-    @Override
-    public Object[] getSchemaTypes() {
-        return types;
-    }
-
-    public FileSplit[] getFileSplits() {
-        return fileSplits;
-    }
-
-    @Override
-    public IDataSourcePropertiesProvider getPropertiesProvider() {
-        return propProvider;
-    }
-
-    @Override
-    public void computeFDs(List<LogicalVariable> scanVariables, List<FunctionalDependency> fdList) {
-    }
-
-    @Override
-    public boolean isScanAccessPathALeaf() {
-        return true;
-    }
-}

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/35b6c131/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/PigletFunction.java
----------------------------------------------------------------------
diff --git a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/PigletFunction.java b/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/PigletFunction.java
deleted file mode 100644
index 06d9b25..0000000
--- a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/PigletFunction.java
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * 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.hyracks.algebricks.examples.piglet.metadata;
-
-import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
-import org.apache.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
-
-public class PigletFunction implements IFunctionInfo {
-    private final FunctionIdentifier fid;
-
-    public PigletFunction(FunctionIdentifier fid) {
-        this.fid = fid;
-    }
-
-    @Override
-    public FunctionIdentifier getFunctionIdentifier() {
-        return fid;
-    }
-}