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Posted to commits@jackrabbit.apache.org by ju...@apache.org on 2010/08/16 18:01:30 UTC
svn commit: r986002 -
/jackrabbit/trunk/test/performance/base/src/main/java/org/apache/jackrabbit/performance/TwoWayJoinTest.java
Author: jukka
Date: Mon Aug 16 16:01:29 2010
New Revision: 986002
URL: http://svn.apache.org/viewvc?rev=986002&view=rev
Log:
JCR-2715: Improved join query performance
Simple two-way join benchmark
Added:
jackrabbit/trunk/test/performance/base/src/main/java/org/apache/jackrabbit/performance/TwoWayJoinTest.java (with props)
Added: jackrabbit/trunk/test/performance/base/src/main/java/org/apache/jackrabbit/performance/TwoWayJoinTest.java
URL: http://svn.apache.org/viewvc/jackrabbit/trunk/test/performance/base/src/main/java/org/apache/jackrabbit/performance/TwoWayJoinTest.java?rev=986002&view=auto
==============================================================================
--- jackrabbit/trunk/test/performance/base/src/main/java/org/apache/jackrabbit/performance/TwoWayJoinTest.java (added)
+++ jackrabbit/trunk/test/performance/base/src/main/java/org/apache/jackrabbit/performance/TwoWayJoinTest.java Mon Aug 16 16:01:29 2010
@@ -0,0 +1,102 @@
+/*
+ * 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.performance;
+
+import java.util.Random;
+
+import javax.jcr.Node;
+import javax.jcr.RepositoryException;
+import javax.jcr.Session;
+import javax.jcr.query.QueryManager;
+import javax.jcr.query.Row;
+import javax.jcr.query.RowIterator;
+
+/**
+ * Performance test for a two-way join that selects 300 pairs from
+ * a set of 90k nodes. The query is constructed in a way that should
+ * allow a smart implementation to perform the join quite efficiently.
+ */
+public class TwoWayJoinTest extends AbstractTest {
+
+ private static final int NODE_COUNT = 300;
+
+ private final Random random = new Random();
+
+ private Session session;
+
+ private Node root;
+
+ public void beforeSuite() throws RepositoryException {
+ String joins = getRepository().getDescriptor("query.joins");
+ if (joins == null || joins.equals("query.joins.none")) {
+ throw new RepositoryException(
+ "Join queries not supported by this repository");
+ }
+
+ session = loginWriter();
+ root = session.getRootNode().addNode("testroot", "nt:unstructured");
+
+ for (int i = 0; i < NODE_COUNT; i++) {
+ Node node = root.addNode("node" + i, "nt:unstructured");
+ node.setProperty("foo", i);
+ for (int j = 0; j < NODE_COUNT; j++) {
+ Node child = node.addNode("node" + j, "nt:unstructured");
+ child.setProperty("bar", j);
+ }
+ session.save();
+ }
+ }
+
+ public void runTest() throws Exception {
+ int x = random.nextInt(NODE_COUNT);
+ String query =
+ "SELECT a.foo AS a, b.bar AS b"
+ + " FROM [nt:unstructured] AS a"
+ + " INNER JOIN [nt:unstructured] AS b ON a.foo = b.bar"
+ + " WHERE a.foo = " + x;
+
+ QueryManager manager = session.getWorkspace().getQueryManager();
+ RowIterator iterator =
+ manager.createQuery(query, "JCR-SQL2").execute().getRows();
+ int count = 0;
+ while (iterator.hasNext()) {
+ Row row = iterator.nextRow();
+ long a = row.getValue("a").getLong();
+ long b = row.getValue("b").getLong();
+ if (a != x || a != b) {
+ throw new Exception(
+ "Invalid test result: " + x + " -> " + a + ", " + b);
+ }
+ count++;
+ }
+ if (count != NODE_COUNT) {
+ throw new Exception(
+ "Invalid test result count: " + count + " !=" + NODE_COUNT);
+ }
+ }
+
+ public void afterSuite() throws RepositoryException {
+ for (int i = 0; i < NODE_COUNT; i++) {
+ root.getNode("node" + i).remove();
+ session.save();
+ }
+
+ root.remove();
+ session.save();
+ }
+
+}
Propchange: jackrabbit/trunk/test/performance/base/src/main/java/org/apache/jackrabbit/performance/TwoWayJoinTest.java
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