/*
* 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.jackrabbit.core.query;
import static javax.jcr.query.Query.JCR_SQL2;
import java.io.ByteArrayInputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import javax.jcr.Node;
import javax.jcr.nodetype.NodeTypeManager;
import org.apache.jackrabbit.commons.JcrUtils;
import org.apache.jackrabbit.commons.cnd.CndImporter;
/**
* Test case for OUTER JOIN queries with JCR_SQL2
*
* Inspired by <a
* href="https://issues.apache.org/jira/browse/JCR-2933">JCR-2933</a>
*
*/
public class SQL2OuterJoinTest extends AbstractQueryTest {
private Node n2;
@Override
protected void setUp() throws Exception {
super.setUp();
NodeTypeManager manager = superuser.getWorkspace().getNodeTypeManager();
if (!manager.hasNodeType("test:SamplePage")) {
StringBuilder defs = new StringBuilder();
defs.append("[test:SamplePage]\n");
defs.append(" - n1prop1\n");
defs.append(" + * (nt:base) = nt:unstructured \n");
defs.append("[test:SampleContent]\n");
defs.append(" - n2prop1");
Reader cndReader = new InputStreamReader(new ByteArrayInputStream(
defs.toString().getBytes()));
CndImporter.registerNodeTypes(cndReader, superuser);
}
Node n1 = testRootNode.addNode("node1", "test:SamplePage");
n1.setProperty("n1prop1", "page1");
n2 = n1.addNode("node2", "test:SampleContent");
n2.setProperty("n2prop1", "content1");
testRootNode.getSession().save();
}
@Override
protected void tearDown() throws Exception {
for (Node c : JcrUtils.getChildNodes(testRootNode)) {
testRootNode.getSession().removeItem(c.getPath());
}
testRootNode.getSession().save();
super.tearDown();
}
public void testOuterJoin() throws Exception {
StringBuilder join = new StringBuilder();
join.append(" Select * from [test:SamplePage] as page left outer join [test:SampleContent] as content on ISDESCENDANTNODE(content,page)");
checkResult(qm.createQuery(join.toString(), JCR_SQL2).execute(), 1);
}
/**
* Test case for <a
* href="https://issues.apache.org/jira/browse/JCR-2933">JCR-2933</a>
*
* Outer Join that works OOTB
*/
public void testOuterJoinWithCondition() throws Exception {
StringBuilder join = new StringBuilder();
join.append(" Select * from [test:SamplePage] as page left outer join [test:SampleContent] as content on ISDESCENDANTNODE(content,page) where page.n1prop1 = 'page1' and content.n2prop1 = 'content1' ");
checkResult(qm.createQuery(join.toString(), JCR_SQL2).execute(), 1);
}
/**
* Test case for <a
* href="https://issues.apache.org/jira/browse/JCR-2933">JCR-2933</a>
*
* Outer Join that does not work on missing where clause, hence the jira
* issue
*/
public void testOuterJoinMissingProperty() throws Exception {
StringBuilder join = new StringBuilder();
join.append(" Select * from [test:SamplePage] as page left outer join [test:SampleContent] as content on ISDESCENDANTNODE(content,page) where page.n1prop1 = 'page1' and content.n2prop1 = 'XXX' ");
checkResult(qm.createQuery(join.toString(), JCR_SQL2).execute(), 0);
}
/**
* Test case for <a
* href="https://issues.apache.org/jira/browse/JCR-2933">JCR-2933</a>
*
* Outer Join that does not work on missing child node, no WHERE condition
*/
public void testOuterJoinMissingNode() throws Exception {
testRootNode.getSession().removeItem(n2.getPath());
testRootNode.getSession().save();
StringBuilder join = new StringBuilder();
join.append(" Select * from [test:SamplePage] as page left outer join [test:SampleContent] as content on ISDESCENDANTNODE(content,page)");
checkResult(qm.createQuery(join.toString(), JCR_SQL2).execute(), 1);
}
public void testOuterJoinMissingNodeWithCondition() throws Exception {
testRootNode.getSession().removeItem(n2.getPath());
testRootNode.getSession().save();
StringBuilder join = new StringBuilder();
join.append(" Select * from [test:SamplePage] as page left outer join [test:SampleContent] as content on ISDESCENDANTNODE(content,page) where page.n1prop1 = 'page1' and content.n2prop1 = 'XXX' ");
checkResult(qm.createQuery(join.toString(), JCR_SQL2).execute(), 0);
}
public void testOuterJoinExtraNode() throws Exception {
Node n3 = testRootNode.addNode("node3", "test:SamplePage");
n3.setProperty("n1prop1", "page1");
testRootNode.getSession().save();
StringBuilder join = new StringBuilder();
join.append(" Select * from [test:SamplePage] as page left outer join [test:SampleContent] as content on ISDESCENDANTNODE(content,page)");
checkResult(qm.createQuery(join.toString(), JCR_SQL2).execute(), 2);
}
public void testOuterJoinExtraNodeWithCondition() throws Exception {
Node n3 = testRootNode.addNode("node3", "test:SamplePage");
n3.setProperty("n1prop1", "page1");
testRootNode.getSession().save();
StringBuilder join = new StringBuilder();
join.append(" Select * from [test:SamplePage] as page left outer join [test:SampleContent] as content on ISDESCENDANTNODE(content,page) where page.n1prop1 = 'page1' and content.n2prop1 = 'XXX' ");
checkResult(qm.createQuery(join.toString(), JCR_SQL2).execute(), 0);
}
public void testOuterJoinDoubleJoinSplit() throws Exception {
Node n3 = testRootNode.addNode("node3", "test:SamplePage");
n3.setProperty("n1prop1", "page2");
Node n4 = n3.addNode("node2", "test:SampleContent");
n4.setProperty("n2prop1", "content1");
testRootNode.getSession().save();
StringBuilder join = new StringBuilder();
join.append("Select * from [test:SamplePage] as page left outer join [test:SampleContent] as content on ISDESCENDANTNODE(content,page) where (page.n1prop1 = 'page1' and content.n2prop1 = 'content1') or (page.n1prop1 = 'page2' and content.n2prop1 = 'content1') ");
checkResult(qm.createQuery(join.toString(), JCR_SQL2).execute(), 2);
}
}