SOLR-8556: Add ConcatOperation to be used with the SelectStream

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1725769 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Dennis Gove 2016-01-20 18:08:16 +00:00
parent e58b14d228
commit 6501f1891b
5 changed files with 419 additions and 1 deletions

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@ -138,6 +138,8 @@ New Features
* SOLR-8415: Provide command to switch between non/secure mode in ZK
(Mike Drob, Gregory Chanan)
* SOLR-8556: Add ConcatOperation to be used with the SelectStream (Joel Bernstein, Dennis Gove)
Bug Fixes
----------------------
* SOLR-8386: Add field option in the new admin UI schema page loads up even when no schemaFactory has been

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@ -27,6 +27,7 @@ import java.util.Map.Entry;
import org.apache.solr.client.solrj.io.SolrClientCache;
import org.apache.solr.client.solrj.io.Tuple;
import org.apache.solr.client.solrj.io.comp.StreamComparator;
import org.apache.solr.client.solrj.io.ops.ConcatOperation;
import org.apache.solr.client.solrj.io.ops.DistinctOperation;
import org.apache.solr.client.solrj.io.ops.GroupOperation;
import org.apache.solr.client.solrj.io.ops.ReplaceOperation;
@ -132,6 +133,7 @@ public class StreamHandler extends RequestHandlerBase implements SolrCoreAware {
// tuple manipulation operations
.withFunctionName("replace", ReplaceOperation.class)
.withFunctionName("concat", ConcatOperation.class)
// stream reduction operations
.withFunctionName("group", GroupOperation.class)

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@ -0,0 +1,98 @@
package org.apache.solr.client.solrj.io.ops;
import java.io.IOException;
import java.util.Locale;
import org.apache.solr.client.solrj.io.Tuple;
import org.apache.solr.client.solrj.io.stream.expr.StreamExpression;
import org.apache.solr.client.solrj.io.stream.expr.StreamExpressionNamedParameter;
import org.apache.solr.client.solrj.io.stream.expr.StreamExpressionParameter;
import org.apache.solr.client.solrj.io.stream.expr.StreamExpressionValue;
import org.apache.solr.client.solrj.io.stream.expr.StreamFactory;
/*
* 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.
*/
/**
* Concatenates fields and adds them to the tuple. Example
* concat(fields="month,day,year", delim="-", as="id")
*/
public class ConcatOperation implements StreamOperation {
private static final long serialVersionUID = 1;
private String[] fields;
private String as;
private String delim;
public ConcatOperation(String[] fields, String as, String delim) {
this.fields = fields;
this.as = as;
this.delim = delim;
}
public ConcatOperation(StreamExpression expression, StreamFactory factory) throws IOException {
if(3 == expression.getParameters().size()){
StreamExpressionNamedParameter fieldsParam = factory.getNamedOperand(expression, "fields");
String fieldsStr = ((StreamExpressionValue)fieldsParam.getParameter()).getValue();
this.fields = fieldsStr.split(",");
for(int i=0; i<fields.length; i++) {
fields[i] = fields[i].trim();
}
StreamExpressionNamedParameter asParam = factory.getNamedOperand(expression, "as");
this.as = ((StreamExpressionValue)asParam.getParameter()).getValue();
StreamExpressionNamedParameter delim = factory.getNamedOperand(expression, "delim");
this.delim = ((StreamExpressionValue)delim.getParameter()).getValue();
} else{
throw new IOException(String.format(Locale.ROOT,"Invalid expression %s - unknown operands found", expression));
}
}
@Override
public void operate(Tuple tuple) {
StringBuilder buf = new StringBuilder();
for(String field : fields) {
if(buf.length() > 0) {
buf.append(delim);
}
Object value = tuple.get(field);
if(null == value){ value = "null"; }
buf.append(value);
}
tuple.put(as, buf.toString());
}
@Override
public StreamExpressionParameter toExpression(StreamFactory factory) throws IOException {
StreamExpression expression = new StreamExpression(factory.getFunctionName(this.getClass()));
StringBuilder sb = new StringBuilder();
for(String field : fields){
if(sb.length() > 0){ sb.append(","); }
sb.append(field);
}
expression.addParameter(new StreamExpressionNamedParameter("fields",sb.toString()));
expression.addParameter(new StreamExpressionNamedParameter("delim",delim));
expression.addParameter(new StreamExpressionNamedParameter("as",as));
return expression;
}
}

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@ -28,6 +28,7 @@ import org.apache.lucene.util.LuceneTestCase;
import org.apache.lucene.util.LuceneTestCase.Slow;
import org.apache.solr.client.solrj.impl.CloudSolrClient;
import org.apache.solr.client.solrj.io.Tuple;
import org.apache.solr.client.solrj.io.ops.ConcatOperation;
import org.apache.solr.client.solrj.io.ops.GroupOperation;
import org.apache.solr.client.solrj.io.comp.ComparatorOrder;
import org.apache.solr.client.solrj.io.comp.FieldComparator;
@ -1334,7 +1335,9 @@ public class StreamExpressionTest extends AbstractFullDistribZkTestBase {
.withFunctionName("search", CloudSolrStream.class)
.withFunctionName("innerJoin", InnerJoinStream.class)
.withFunctionName("select", SelectStream.class)
.withFunctionName("replace", ReplaceOperation.class);
.withFunctionName("replace", ReplaceOperation.class)
.withFunctionName("concat", ConcatOperation.class)
;
// Basic test
clause = "select("
@ -1361,7 +1364,29 @@ public class StreamExpressionTest extends AbstractFullDistribZkTestBase {
assertLong(tuples.get(2), "join1", 12);
assertLong(tuples.get(7), "join1", 12);
assertString(tuples.get(6), "join1", "d");
// Basic with replacements and concat test
clause = "select("
+ "id, join1_i as join1, join2_s as join2, ident_s as identity,"
+ "replace(join1, 0, withValue=12), replace(join1, 3, withValue=12), replace(join1, 2, withField=join2),"
+ "concat(fields=\"identity,join1\", as=\"newIdentity\",delim=\"-\"),"
+ "search(collection1, q=\"side_s:left\", fl=\"id,join1_i,join2_s,ident_s\", sort=\"join1_i asc, join2_s asc, id asc\")"
+ ")";
stream = factory.constructStream(clause);
tuples = getTuples(stream);
assertFields(tuples, "id", "join1", "join2", "identity", "newIdentity");
assertNotFields(tuples, "join1_i", "join2_s", "ident_s");
assertLong(tuples.get(0), "join1", 12);
assertString(tuples.get(0), "newIdentity", "left_1-12");
assertLong(tuples.get(1), "join1", 12);
assertString(tuples.get(1), "newIdentity", "left_1-12");
assertLong(tuples.get(2), "join1", 12);
assertString(tuples.get(2), "newIdentity", "left_2-12");
assertLong(tuples.get(7), "join1", 12);
assertString(tuples.get(7), "newIdentity", "left_7-12");
assertString(tuples.get(6), "join1", "d");
assertString(tuples.get(6), "newIdentity", "left_6-d");
// Inner stream test
clause = "innerJoin("

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@ -0,0 +1,291 @@
package org.apache.solr.client.solrj.io.stream.ops;
/*
* 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 java.util.Map;
import junit.framework.Assert;
import org.apache.commons.collections.map.HashedMap;
import org.apache.lucene.util.LuceneTestCase;
import org.apache.solr.client.solrj.io.Tuple;
import org.apache.solr.client.solrj.io.ops.ConcatOperation;
import org.apache.solr.client.solrj.io.ops.ReplaceOperation;
import org.apache.solr.client.solrj.io.ops.StreamOperation;
import org.apache.solr.client.solrj.io.stream.expr.StreamExpressionParser;
import org.apache.solr.client.solrj.io.stream.expr.StreamFactory;
import org.junit.Test;
/**
**/
public class ConcatOperationTest extends LuceneTestCase {
StreamFactory factory;
Map<String, Object> values;
public ConcatOperationTest() {
super();
factory = new StreamFactory()
.withFunctionName("concat", ConcatOperation.class);
values = new HashedMap();
}
@Test
public void concatSingleField() throws Exception{
Tuple tuple;
StreamOperation operation;
operation = new ConcatOperation(new String[]{"fieldA"}, "fieldAConcat", "-");
values.clear();
values.put("fieldA", "bar");
tuple = new Tuple(values);
operation.operate(tuple);
Assert.assertNotNull(tuple.get("fieldA"));
Assert.assertEquals("bar", tuple.get("fieldA"));
Assert.assertNotNull(tuple.get("fieldAConcat"));
Assert.assertEquals("bar", tuple.get("fieldAConcat"));
}
@Test
public void concatMultipleFields() throws Exception{
Tuple tuple;
StreamOperation operation;
operation = new ConcatOperation(new String[]{"fieldA","fieldB"}, "fieldABConcat", "-");
values.clear();
values.put("fieldA", "bar");
values.put("fieldB", "baz");
tuple = new Tuple(values);
operation.operate(tuple);
Assert.assertNotNull(tuple.get("fieldA"));
Assert.assertEquals("bar", tuple.get("fieldA"));
Assert.assertNotNull(tuple.get("fieldB"));
Assert.assertEquals("baz", tuple.get("fieldB"));
Assert.assertNotNull(tuple.get("fieldABConcat"));
Assert.assertEquals("bar-baz", tuple.get("fieldABConcat"));
// do the same in oposite order
operation = new ConcatOperation(new String[]{"fieldB","fieldA"}, "fieldABConcat", "-");
tuple = new Tuple(values);
operation.operate(tuple);
Assert.assertNotNull(tuple.get("fieldA"));
Assert.assertEquals("bar", tuple.get("fieldA"));
Assert.assertNotNull(tuple.get("fieldB"));
Assert.assertEquals("baz", tuple.get("fieldB"));
Assert.assertNotNull(tuple.get("fieldABConcat"));
Assert.assertEquals("baz-bar", tuple.get("fieldABConcat"));
}
@Test
public void concatMultipleFieldsWithIgnoredFields() throws Exception{
Tuple tuple;
StreamOperation operation;
operation = new ConcatOperation(new String[]{"fieldA","fieldB"}, "fieldABConcat", "-");
values.clear();
values.put("fieldA", "bar");
values.put("fieldB", "baz");
values.put("fieldC", "bab");
values.put("fieldD", "bat");
tuple = new Tuple(values);
operation.operate(tuple);
Assert.assertNotNull(tuple.get("fieldA"));
Assert.assertEquals("bar", tuple.get("fieldA"));
Assert.assertNotNull(tuple.get("fieldB"));
Assert.assertEquals("baz", tuple.get("fieldB"));
Assert.assertNotNull(tuple.get("fieldC"));
Assert.assertEquals("bab", tuple.get("fieldC"));
Assert.assertNotNull(tuple.get("fieldD"));
Assert.assertEquals("bat", tuple.get("fieldD"));
Assert.assertNotNull(tuple.get("fieldABConcat"));
Assert.assertEquals("bar-baz", tuple.get("fieldABConcat"));
// do the same in oposite order
operation = new ConcatOperation(new String[]{"fieldB","fieldA"}, "fieldABConcat", "-");
tuple = new Tuple(values);
operation.operate(tuple);
Assert.assertNotNull(tuple.get("fieldA"));
Assert.assertEquals("bar", tuple.get("fieldA"));
Assert.assertNotNull(tuple.get("fieldB"));
Assert.assertEquals("baz", tuple.get("fieldB"));
Assert.assertNotNull(tuple.get("fieldABConcat"));
Assert.assertEquals("baz-bar", tuple.get("fieldABConcat"));
}
@Test
public void concatWithNullValues() throws Exception{
Tuple tuple;
StreamOperation operation;
operation = new ConcatOperation(new String[]{"fieldA","fieldB"}, "fieldABConcat", "-");
values.clear();
values.put("fieldA", "bar");
tuple = new Tuple(values);
operation.operate(tuple);
Assert.assertNotNull(tuple.get("fieldA"));
Assert.assertEquals("bar", tuple.get("fieldA"));
Assert.assertNull(tuple.get("fieldB"));
Assert.assertNotNull(tuple.get("fieldABConcat"));
Assert.assertEquals("bar-null", tuple.get("fieldABConcat"));
}
///////////////////////////
@Test
public void concatSingleFieldExpression() throws Exception{
Tuple tuple;
StreamOperation operation;
operation = new ConcatOperation(StreamExpressionParser.parse("concat(fields=\"fieldA\", as=\"fieldAConcat\", delim=\"-\")"), factory);
values.clear();
values.put("fieldA", "bar");
tuple = new Tuple(values);
operation.operate(tuple);
Assert.assertNotNull(tuple.get("fieldA"));
Assert.assertEquals("bar", tuple.get("fieldA"));
Assert.assertNotNull(tuple.get("fieldAConcat"));
Assert.assertEquals("bar", tuple.get("fieldAConcat"));
}
@Test
public void concatMultipleFieldsExpression() throws Exception{
Tuple tuple;
StreamOperation operation;
operation = new ConcatOperation(StreamExpressionParser.parse("concat(fields=\"fieldA,fieldB\", as=\"fieldABConcat\", delim=\"-\")"), factory);
values.clear();
values.put("fieldA", "bar");
values.put("fieldB", "baz");
tuple = new Tuple(values);
operation.operate(tuple);
Assert.assertNotNull(tuple.get("fieldA"));
Assert.assertEquals("bar", tuple.get("fieldA"));
Assert.assertNotNull(tuple.get("fieldB"));
Assert.assertEquals("baz", tuple.get("fieldB"));
Assert.assertNotNull(tuple.get("fieldABConcat"));
Assert.assertEquals("bar-baz", tuple.get("fieldABConcat"));
// do the same in oposite order
operation = new ConcatOperation(StreamExpressionParser.parse("concat(fields=\"fieldB,fieldA\", as=\"fieldABConcat\", delim=\"-\")"), factory);
tuple = new Tuple(values);
operation.operate(tuple);
Assert.assertNotNull(tuple.get("fieldA"));
Assert.assertEquals("bar", tuple.get("fieldA"));
Assert.assertNotNull(tuple.get("fieldB"));
Assert.assertEquals("baz", tuple.get("fieldB"));
Assert.assertNotNull(tuple.get("fieldABConcat"));
Assert.assertEquals("baz-bar", tuple.get("fieldABConcat"));
}
@Test
public void concatMultipleFieldsWithIgnoredFieldsExpression() throws Exception{
Tuple tuple;
StreamOperation operation;
operation = new ConcatOperation(StreamExpressionParser.parse("concat(fields=\"fieldA,fieldB\", as=\"fieldABConcat\", delim=\"-\")"), factory);
values.clear();
values.put("fieldA", "bar");
values.put("fieldB", "baz");
values.put("fieldC", "bab");
values.put("fieldD", "bat");
tuple = new Tuple(values);
operation.operate(tuple);
Assert.assertNotNull(tuple.get("fieldA"));
Assert.assertEquals("bar", tuple.get("fieldA"));
Assert.assertNotNull(tuple.get("fieldB"));
Assert.assertEquals("baz", tuple.get("fieldB"));
Assert.assertNotNull(tuple.get("fieldC"));
Assert.assertEquals("bab", tuple.get("fieldC"));
Assert.assertNotNull(tuple.get("fieldD"));
Assert.assertEquals("bat", tuple.get("fieldD"));
Assert.assertNotNull(tuple.get("fieldABConcat"));
Assert.assertEquals("bar-baz", tuple.get("fieldABConcat"));
// do the same in oposite order
operation = new ConcatOperation(StreamExpressionParser.parse("concat(fields=\"fieldB,fieldA\", as=\"fieldABConcat\", delim=\"-\")"), factory);
tuple = new Tuple(values);
operation.operate(tuple);
Assert.assertNotNull(tuple.get("fieldA"));
Assert.assertEquals("bar", tuple.get("fieldA"));
Assert.assertNotNull(tuple.get("fieldB"));
Assert.assertEquals("baz", tuple.get("fieldB"));
Assert.assertNotNull(tuple.get("fieldABConcat"));
Assert.assertEquals("baz-bar", tuple.get("fieldABConcat"));
}
@Test
public void concatWithNullValuesExpression() throws Exception{
Tuple tuple;
StreamOperation operation;
operation = new ConcatOperation(StreamExpressionParser.parse("concat(fields=\"fieldA,fieldB\", as=\"fieldABConcat\", delim=\"-\")"), factory);
values.clear();
values.put("fieldA", "bar");
tuple = new Tuple(values);
operation.operate(tuple);
Assert.assertNotNull(tuple.get("fieldA"));
Assert.assertEquals("bar", tuple.get("fieldA"));
Assert.assertNull(tuple.get("fieldB"));
Assert.assertNotNull(tuple.get("fieldABConcat"));
Assert.assertEquals("bar-null", tuple.get("fieldABConcat"));
}
}