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Posted to commits@lucene.apache.org by jb...@apache.org on 2019/06/19 02:33:50 UTC
[lucene-solr] 01/02: SOLR-13560: Add isNull and notNull Stream
Evaluators
This is an automated email from the ASF dual-hosted git repository.
jbernste pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/lucene-solr.git
commit 1dd98ca65dd90db6998fe54b56860e90d8f398d1
Author: Joel Bernstein <jb...@apache.org>
AuthorDate: Tue Jun 18 22:09:13 2019 -0400
SOLR-13560: Add isNull and notNull Stream Evaluators
---
.../java/org/apache/solr/client/solrj/io/Lang.java | 2 +
.../client/solrj/io/eval/FieldValueEvaluator.java | 9 +++
.../solr/client/solrj/io/eval/IsNullEvaluator.java | 54 ++++++++++++++++
.../client/solrj/io/eval/NotNullEvaluator.java | 54 ++++++++++++++++
.../solr/client/solrj/io/stream/HavingStream.java | 1 +
.../org/apache/solr/client/solrj/io/TestLang.java | 2 +-
.../client/solrj/io/stream/MathExpressionTest.java | 75 ++++++++++++++++++++++
7 files changed, 196 insertions(+), 1 deletion(-)
diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/io/Lang.java b/solr/solrj/src/java/org/apache/solr/client/solrj/io/Lang.java
index 4a1051e..52b8875 100644
--- a/solr/solrj/src/java/org/apache/solr/client/solrj/io/Lang.java
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/io/Lang.java
@@ -287,6 +287,8 @@ public class Lang {
.withFunctionName("natural", NaturalEvaluator.class)
.withFunctionName("movingMAD", MovingMADEvaluator.class)
.withFunctionName("recNum", RecNumEvaluator.class)
+ .withFunctionName("notNull", NotNullEvaluator.class)
+ .withFunctionName("isNull", IsNullEvaluator.class)
// Boolean Stream Evaluators
diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/FieldValueEvaluator.java b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/FieldValueEvaluator.java
index 3086fb4..809a284 100644
--- a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/FieldValueEvaluator.java
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/FieldValueEvaluator.java
@@ -19,8 +19,12 @@ package org.apache.solr.client.solrj.io.eval;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.HashSet;
import org.apache.solr.client.solrj.io.Tuple;
+import org.apache.solr.client.solrj.io.stream.StreamContext;
import org.apache.solr.client.solrj.io.stream.expr.Explanation;
import org.apache.solr.client.solrj.io.stream.expr.Explanation.ExpressionType;
import org.apache.solr.client.solrj.io.stream.expr.StreamExpressionParameter;
@@ -84,7 +88,12 @@ public class FieldValueEvaluator extends SourceEvaluator {
}
}
+ StreamContext sc = getStreamContext();
+
+ if(sc != null) {sc.getTupleContext().remove("null");}
+
if(value == null) {
+ if(sc != null) {sc.getTupleContext().put("null", fieldName);}
return fieldName;
}
diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/IsNullEvaluator.java b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/IsNullEvaluator.java
new file mode 100644
index 0000000..dc912fd
--- /dev/null
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/IsNullEvaluator.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.solr.client.solrj.io.eval;
+
+import java.io.IOException;
+import java.util.Map;
+import java.util.Locale;
+
+import org.apache.solr.client.solrj.io.stream.expr.StreamExpression;
+import org.apache.solr.client.solrj.io.stream.expr.StreamFactory;
+
+public class IsNullEvaluator extends RecursiveBooleanEvaluator implements ManyValueWorker {
+ protected static final long serialVersionUID = 1L;
+
+ public IsNullEvaluator(StreamExpression expression, StreamFactory factory) throws IOException{
+ super(expression, factory);
+
+ if(containedEvaluators.size() != 1){
+ throw new IOException(String.format(Locale.ROOT,"Invalid expression %s - expecting one parameter but found %d",expression,containedEvaluators.size()));
+ }
+ }
+
+ public Object doWork(Object ... values) throws IOException {
+
+ if(values[0] instanceof String) {
+ //Check to see if the this tuple had a null value for that string.
+ Map tupleContext = getStreamContext().getTupleContext();
+ String nullField = (String)tupleContext.get("null");
+ if(nullField != null && nullField.equals(values[0])) {
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ protected Checker constructChecker(Object value) throws IOException {
+ return null;
+ }
+}
diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/NotNullEvaluator.java b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/NotNullEvaluator.java
new file mode 100644
index 0000000..8b9a9b1
--- /dev/null
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/NotNullEvaluator.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.solr.client.solrj.io.eval;
+
+import java.io.IOException;
+import java.util.Map;
+import java.util.Locale;
+
+import org.apache.solr.client.solrj.io.stream.expr.StreamExpression;
+import org.apache.solr.client.solrj.io.stream.expr.StreamFactory;
+
+public class NotNullEvaluator extends RecursiveBooleanEvaluator implements ManyValueWorker {
+ protected static final long serialVersionUID = 1L;
+
+ public NotNullEvaluator(StreamExpression expression, StreamFactory factory) throws IOException{
+ super(expression, factory);
+
+ if(containedEvaluators.size() != 1){
+ throw new IOException(String.format(Locale.ROOT,"Invalid expression %s - expecting one parameter but found %d",expression,containedEvaluators.size()));
+ }
+ }
+
+ public Object doWork(Object ... values) throws IOException {
+
+ if(values[0] instanceof String) {
+ //Check to see if the this tuple had a null value for that string.
+ Map tupleContext = getStreamContext().getTupleContext();
+ String nullField = (String)tupleContext.get("null");
+ if(nullField != null && nullField.equals(values[0])) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ protected Checker constructChecker(Object value) throws IOException {
+ return null;
+ }
+}
diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/io/stream/HavingStream.java b/solr/solrj/src/java/org/apache/solr/client/solrj/io/stream/HavingStream.java
index eeb2935..bf56484 100644
--- a/solr/solrj/src/java/org/apache/solr/client/solrj/io/stream/HavingStream.java
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/io/stream/HavingStream.java
@@ -132,6 +132,7 @@ public class HavingStream extends TupleStream implements Expressible {
public void setStreamContext(StreamContext context) {
this.streamContext = context;
this.stream.setStreamContext(context);
+ this.evaluator.setStreamContext(context);
}
public List<TupleStream> children() {
diff --git a/solr/solrj/src/test/org/apache/solr/client/solrj/io/TestLang.java b/solr/solrj/src/test/org/apache/solr/client/solrj/io/TestLang.java
index b7db83d..a2ad7de 100644
--- a/solr/solrj/src/test/org/apache/solr/client/solrj/io/TestLang.java
+++ b/solr/solrj/src/test/org/apache/solr/client/solrj/io/TestLang.java
@@ -75,7 +75,7 @@ public class TestLang extends SolrTestCase {
"convexHull", "getVertices", "getBaryCenter", "getArea", "getBoundarySize","oscillate",
"getAmplitude", "getPhase", "getAngularFrequency", "enclosingDisk", "getCenter", "getRadius",
"getSupportPoints", "pairSort", "log10", "plist", "recip", "pivot", "ltrim", "rtrim", "export",
- "zplot", "natural", "repeat", "movingMAD", "hashRollup", "noop", "var", "stddev", "recNum"};
+ "zplot", "natural", "repeat", "movingMAD", "hashRollup", "noop", "var", "stddev", "recNum", "isNull", "notNull"};
@Test
public void testLang() {
diff --git a/solr/solrj/src/test/org/apache/solr/client/solrj/io/stream/MathExpressionTest.java b/solr/solrj/src/test/org/apache/solr/client/solrj/io/stream/MathExpressionTest.java
index c14e126..8c8718c 100644
--- a/solr/solrj/src/test/org/apache/solr/client/solrj/io/stream/MathExpressionTest.java
+++ b/solr/solrj/src/test/org/apache/solr/client/solrj/io/stream/MathExpressionTest.java
@@ -1997,6 +1997,81 @@ public class MathExpressionTest extends SolrCloudTestCase {
}
+
+ @Test
+ public void testNotNullHaving() throws Exception {
+ String cexpr = "having(list(tuple(a=add(1, 1)), tuple(b=add(1, 2))), notNull(b))";
+ ModifiableSolrParams paramsLoc = new ModifiableSolrParams();
+ paramsLoc.set("expr", cexpr);
+ paramsLoc.set("qt", "/stream");
+ String url = cluster.getJettySolrRunners().get(0).getBaseUrl().toString()+"/"+COLLECTIONORALIAS;
+ TupleStream solrStream = new SolrStream(url, paramsLoc);
+ StreamContext context = new StreamContext();
+ solrStream.setStreamContext(context);
+ List<Tuple> tuples = getTuples(solrStream);
+ assertEquals(tuples.size(), 1);
+ Tuple tuple0 = tuples.get(0);
+ assertEquals(tuple0.getLong("b").longValue(), 3L);
+ }
+
+ @Test
+ public void testIsNullHaving() throws Exception {
+ String cexpr = "having(list(tuple(a=add(1, 1)), tuple(b=add(1, 2))), isNull(b))";
+ ModifiableSolrParams paramsLoc = new ModifiableSolrParams();
+ paramsLoc.set("expr", cexpr);
+ paramsLoc.set("qt", "/stream");
+ String url = cluster.getJettySolrRunners().get(0).getBaseUrl().toString()+"/"+COLLECTIONORALIAS;
+ TupleStream solrStream = new SolrStream(url, paramsLoc);
+ StreamContext context = new StreamContext();
+ solrStream.setStreamContext(context);
+ List<Tuple> tuples = getTuples(solrStream);
+ assertEquals(tuples.size(), 1);
+ Tuple tuple0 = tuples.get(0);
+ assertEquals(tuple0.getLong("a").longValue(), 2L);
+ }
+
+
+ @Test
+ public void testNotNullSelect() throws Exception {
+ String cexpr = "select(list(tuple(a=add(1, 1)), tuple(b=add(1, 2))), if(notNull(a),a, 0) as out)";
+ ModifiableSolrParams paramsLoc = new ModifiableSolrParams();
+ paramsLoc.set("expr", cexpr);
+ paramsLoc.set("qt", "/stream");
+ String url = cluster.getJettySolrRunners().get(0).getBaseUrl().toString()+"/"+COLLECTIONORALIAS;
+ TupleStream solrStream = new SolrStream(url, paramsLoc);
+ StreamContext context = new StreamContext();
+ solrStream.setStreamContext(context);
+ List<Tuple> tuples = getTuples(solrStream);
+ assertEquals(tuples.size(), 2);
+ Tuple tuple0 = tuples.get(0);
+ assertEquals(tuple0.getLong("out").longValue(), 2L);
+
+ Tuple tuple1 = tuples.get(1);
+ assertEquals(tuple1.getLong("out").longValue(), 0L);
+
+ }
+
+
+ @Test
+ public void testIsNullSelect() throws Exception {
+ String cexpr = "select(list(tuple(a=add(1, 1)), tuple(b=add(1, 2))), if(isNull(a), 0, a) as out)";
+ ModifiableSolrParams paramsLoc = new ModifiableSolrParams();
+ paramsLoc.set("expr", cexpr);
+ paramsLoc.set("qt", "/stream");
+ String url = cluster.getJettySolrRunners().get(0).getBaseUrl().toString()+"/"+COLLECTIONORALIAS;
+ TupleStream solrStream = new SolrStream(url, paramsLoc);
+ StreamContext context = new StreamContext();
+ solrStream.setStreamContext(context);
+ List<Tuple> tuples = getTuples(solrStream);
+ assertEquals(tuples.size(), 2);
+ Tuple tuple0 = tuples.get(0);
+ assertEquals(tuple0.getLong("out").longValue(), 2L);
+
+ Tuple tuple1 = tuples.get(1);
+ assertEquals(tuple1.getLong("out").longValue(), 0L);
+
+ }
+
@Test
public void testLetWithNumericVariables() throws Exception {
String cexpr = "let(echo=true, a=1.88888, b=8888888888.98)";