com.gemstone.gemfire.cache.query.functional.IndexUsageInNestedQueryTest Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of gemfire-junit Show documentation
Show all versions of gemfire-junit Show documentation
SnappyData store based off Pivotal GemFireXD
/*
* Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
*
* Licensed 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. See accompanying
* LICENSE file.
*/
/*
* IndexUsageInNestedQuery.java
*
* Created on June 6, 2005, 11:39 AM
*/
package com.gemstone.gemfire.cache.query.functional;
import com.gemstone.gemfire.cache.Region;
import com.gemstone.gemfire.cache.query.CacheUtils;
import com.gemstone.gemfire.cache.query.Index;
import com.gemstone.gemfire.cache.query.IndexType;
import com.gemstone.gemfire.cache.query.Query;
import com.gemstone.gemfire.cache.query.QueryService;
import com.gemstone.gemfire.cache.query.SelectResults;
import com.gemstone.gemfire.cache.query.Utils;
import com.gemstone.gemfire.cache.query.data.Portfolio;
import com.gemstone.gemfire.cache.query.internal.QueryObserverAdapter;
import com.gemstone.gemfire.cache.query.internal.QueryObserverHolder;
import java.util.ArrayList;
import java.util.Collection;
import junit.framework.TestCase;
/**
*
* @author vikramj
*/
public class IndexUsageInNestedQueryTest extends TestCase {
/** Creates a new instance of IndexUsageInNestedQuery */
public IndexUsageInNestedQueryTest(String testName) {
super(testName);
}
protected void setUp() throws java.lang.Exception {
CacheUtils.startCache();
Region r = CacheUtils.createRegion("portfolios", Portfolio.class);
for(int i=0;i<4;i++)
r.put(i+"", new Portfolio(i));
}
protected void tearDown() throws java.lang.Exception {
CacheUtils.closeCache();
}
public void testNestedQueriesResultsasStructSet() throws Exception {
QueryService qs;
qs = CacheUtils.getQueryService();
String queries[] = {
"select distinct * from /portfolios p, (select distinct pos as poos from /portfolios x, x.positions.values pos"
+ " where pos.secId = 'YHOO') as k",
"select distinct * from /portfolios p, (select distinct pos as poos from /portfolios p, p.positions.values pos"
+ " where pos.secId = 'YHOO') as k",
"select distinct * from /portfolios p, (select distinct x.ID as ID from /portfolios x"
+ " where x.ID = p.ID) as k ", // Currently Index Not Getting Used
"select distinct * from /portfolios p, (select distinct pos as poos from /portfolios x, p.positions.values pos"
+ " where x.ID = p.ID) as k", // Currently Index Not Getting Used
"select distinct * from /portfolios p, (select distinct x as pf , myPos as poos from /portfolios x, x.positions.values as myPos) as k "
+ " where k.poos.secId = 'YHOO'",
"select distinct * from /portfolios p, (select distinct x as pf , myPos as poos from /portfolios x, x.positions.values as myPos) as K"
+ " where K.poos.secId = 'YHOO'",
"select distinct * from /portfolios p, (select distinct val from positions.values as val where val.secId = 'YHOO') as k ",
"select distinct * from /portfolios x, x.positions.values where "
+ "secId = element(select distinct vals.secId from /portfolios p, p.positions.values vals where vals.secId = 'YHOO')",
};
SelectResults r[][]= new SelectResults[queries.length][2];
for (int i = 0; i < queries.length; i++) {
Query q = null;
try {
QueryObserverImpl observer = new QueryObserverImpl();
QueryObserverHolder.setInstance(observer);
q = CacheUtils.getQueryService().newQuery(queries[i]);
CacheUtils.getLogger().info("Executing query: " + queries[i]);
// DebuggerSupport.waitForJavaDebugger(CacheUtils.getLogger());
r[i][0] = (SelectResults) q.execute();
if(!observer.isIndexesUsed){
System.out.println("NO INDEX USED");
}
System.out.println(Utils.printResult(r[i][0]));
} catch (Exception e) {
e.printStackTrace();
}
}
// Create an Index on status and execute the same query again.
qs = CacheUtils.getQueryService();
qs.createIndex("idIndex", IndexType.FUNCTIONAL,"p.ID","/portfolios p");
qs.createIndex("secIdIndex", IndexType.FUNCTIONAL,"b.secId","/portfolios pf, pf.positions.values b");
qs.createIndex("cIndex", IndexType.FUNCTIONAL, "pf.collectionHolderMap[(pf.ID).toString()].arr[pf.ID]","/portfolios pf");
for (int i = 0; i < queries.length; i++) {
Query q = null;
try {
QueryObserverImpl observer2 = new QueryObserverImpl();
QueryObserverHolder.setInstance(observer2);
q = CacheUtils.getQueryService().newQuery(queries[i]);
r[i][1] = (SelectResults)q.execute();
if(observer2.isIndexesUsed == true){
System.out.println("YES INDEX IS USED!");
}
System.out.println(Utils.printResult(r[i][1]));
} catch (Exception e) {
e.printStackTrace();
fail(q.getQueryString());
}
}
CacheUtils.compareResultsOfWithAndWithoutIndex(r, this);
}
class QueryObserverImpl extends QueryObserverAdapter{
boolean isIndexesUsed = false;
ArrayList indexesUsed = new ArrayList();
public void beforeIndexLookup(Index index, int oper, Object key) {
indexesUsed.add(index.getName());
}
public void afterIndexLookup(Collection results) {
if(results != null){
isIndexesUsed = true;
//System.out.println(Utils.printResult(results));
}
}
}
}