gemfire-core/src/test/java/com/gemstone/gemfire/cache/query/partitioned/PRIndexStatisticsJUnitTest.java

/*=========================================================================
 * Copyright (c) 2010-2014 Pivotal Software, Inc. All Rights Reserved.
 * This product is protected by U.S. and international copyright
 * and intellectual property laws. Pivotal products are covered by
 * one or more patents listed at http://www.pivotal.io/patents.
 *=========================================================================
 */
/**
 * 
 */
package com.gemstone.gemfire.cache.query.partitioned;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;

import com.gemstone.gemfire.cache.AttributesFactory;
import com.gemstone.gemfire.cache.PartitionAttributesFactory;
import com.gemstone.gemfire.cache.Region;
import com.gemstone.gemfire.cache.query.CacheUtils;
import com.gemstone.gemfire.cache.query.IndexStatistics;
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.data.Portfolio;
import com.gemstone.gemfire.cache.query.data.Position;
import com.gemstone.gemfire.cache.query.internal.index.IndexManager;
import com.gemstone.gemfire.cache.query.internal.index.IndexProtocol;
import com.gemstone.gemfire.cache.query.internal.index.PartitionedIndex;
import com.gemstone.gemfire.internal.cache.PartitionedRegion;
import com.gemstone.gemfire.test.junit.categories.IntegrationTest;

/**
 * @author shobhit
 *
 */
@Category(IntegrationTest.class)
public class PRIndexStatisticsJUnitTest {

  static QueryService qs;
  static boolean isInitDone = false;
  static Region region;
  static IndexProtocol keyIndex1;
  static IndexProtocol keyIndex2;
  static IndexProtocol keyIndex3;

  @Before
  public void setUp() throws Exception {
    try {
      CacheUtils.startCache();
      qs = CacheUtils.getQueryService();
    }
    catch (Exception e) {
      e.printStackTrace();
    }
  }

  @After
  public void tearDown() throws Exception {
    CacheUtils.closeCache();
    IndexManager.TEST_RANGEINDEX_ONLY = false;
  }
  
  private void createAndPopulateRegion() {
    PartitionAttributesFactory paf = new PartitionAttributesFactory();
    AttributesFactory af = new AttributesFactory();
    af.setPartitionAttributes(paf.create());
    
    region = CacheUtils.createRegion("portfolio", af.create(), false);
    assertTrue(region instanceof PartitionedRegion);
    Position.cnt = 0;
    if(region.size() == 0){
      for(int i=0; i<100; i++){
        region.put(Integer.toString(i), new Portfolio(i, i));
      }
    }
    assertEquals(100, region.size());
  }
  
  private void createRegion() {
    PartitionAttributesFactory paf = new PartitionAttributesFactory();
    AttributesFactory af = new AttributesFactory();
    af.setPartitionAttributes(paf.create());
    
    region = CacheUtils.createRegion("portfolio", af.create(), false);
    assertTrue(region instanceof PartitionedRegion);
  }
  
  /*public static Test suite() {
    TestSuite suite = new TestSuite(IndexMaintenanceTest.class);
    return suite;
  }*/
  /**
   * Test RenageIndex IndexStatistics for keys, values, updates and uses.
   * @throws Exception
   */
  @Test
  public void testStatsForRangeIndex() throws Exception{
    createAndPopulateRegion();
    keyIndex1 = (IndexProtocol) qs.createIndex("multiKeyIndex1",
        IndexType.FUNCTIONAL, "pos.secId", "/portfolio p, p.positions.values pos");
    
    assertTrue(keyIndex1 instanceof PartitionedIndex);

    IndexStatistics keyIndex1Stats = keyIndex1.getStatistics();
    assertEquals(89, keyIndex1Stats.getNumberOfBucketIndexes());

    //Initial stats test (keys, values & updates)
    assertEquals(2*100/*Num of values in region*/, keyIndex1Stats.getNumberOfKeys());
    assertEquals(200, keyIndex1Stats.getNumberOfValues());
    assertEquals(200, keyIndex1Stats.getNumUpdates());
    
    for(int i=0; i<100; i++){
      region.put(Integer.toString(i), new Portfolio(i, i));
    }
    
    assertEquals(2*100/*Num of values in region*/, keyIndex1Stats.getNumberOfKeys());
    assertEquals(200, keyIndex1Stats.getNumberOfValues());
    assertEquals(400, keyIndex1Stats.getNumUpdates());
    
    //IndexUsed stats test
    String queryStr = "select * from /portfolio p, p.positions.values pos where pos.secId = 'YHOO'";
    Query query = qs.newQuery(queryStr);

    for(int i=0; i<50; i++){
      query.execute();
    }
 
    assertEquals(50, keyIndex1Stats.getTotalUses());
    
    //NumOfValues should be reduced.
    for(int i=0; i<50; i++){
      region.invalidate(Integer.toString(i));
    }
    
    assertEquals(100/*Num of values in region*/, keyIndex1Stats.getNumberOfKeys());
    assertEquals(100, keyIndex1Stats.getNumberOfValues());
    assertEquals(450, keyIndex1Stats.getNumUpdates());
    
    //Should not have any effect as invalidated values are destroyed
    for(int i=0; i<50; i++){
      region.destroy(Integer.toString(i));
    }
    
    assertEquals(100/*Num of values in region*/, keyIndex1Stats.getNumberOfKeys());
    assertEquals(100, keyIndex1Stats.getNumberOfValues());
    assertEquals(450, keyIndex1Stats.getNumUpdates());
    
    //NumOfKeys should get zero as all values are destroyed
    for(int i=50; i<100; i++){
      region.destroy(Integer.toString(i));
    }
    
    assertEquals(500, keyIndex1Stats.getNumUpdates());
    
    assertEquals(0, keyIndex1Stats.getNumberOfKeys());
    
    qs.removeIndex(keyIndex1);
    region.destroyRegion();
  }
  
  /**
   * Test CompactRenageIndex IndexStatistics for keys, values, updates and uses.
   * @throws Exception
   */
  @Test
  public void testStatsForCompactRangeIndex() throws Exception{
    createAndPopulateRegion();
    keyIndex2 = (IndexProtocol) qs.createIndex("multiKeyIndex2",
        IndexType.FUNCTIONAL, "ID", "/portfolio ");
    
    assertTrue(keyIndex2 instanceof PartitionedIndex);

    IndexStatistics keyIndex1Stats = keyIndex2.getStatistics();
    assertEquals(89, keyIndex1Stats.getNumberOfBucketIndexes());

    //Initial stats test (keys, values & updates)
    assertEquals(100, keyIndex1Stats.getNumberOfKeys());
    assertEquals(100, keyIndex1Stats.getNumberOfValues());
    assertEquals(100, keyIndex1Stats.getNumUpdates());
    
    for(int i=0; i<100; i++){
      region.put(Integer.toString(i), new Portfolio(i, i));
    }
    
    assertEquals(100, keyIndex1Stats.getNumberOfKeys());
    assertEquals(100, keyIndex1Stats.getNumberOfValues());
    assertEquals(200, keyIndex1Stats.getNumUpdates());
    
    //IndexUsed stats test
    String queryStr = "select * from /portfolio where ID > 0";
    Query query = qs.newQuery(queryStr);

    for(int i=0; i<50; i++){
      query.execute();
    }
 
    assertEquals(50, keyIndex1Stats.getTotalUses());
    
    //NumOfValues should be reduced.
    for(int i=0; i<50; i++){
      region.invalidate(Integer.toString(i));
    }
    
    assertEquals(50, keyIndex1Stats.getNumberOfKeys());
    assertEquals(50, keyIndex1Stats.getNumberOfValues());
    assertEquals(250, keyIndex1Stats.getNumUpdates());
    
    for(int i=0; i<50; i++){
      region.destroy(Integer.toString(i));
    }
    
    assertEquals(50, keyIndex1Stats.getNumberOfKeys());
    assertEquals(50, keyIndex1Stats.getNumberOfValues());
    assertEquals(250, keyIndex1Stats.getNumUpdates());
    
    //NumOfKeys should get zero as all values are destroyed
    for(int i=50; i<100; i++){
      region.destroy(Integer.toString(i));
    }
    
    assertEquals(300, keyIndex1Stats.getNumUpdates());
    
    assertEquals(0, keyIndex1Stats.getNumberOfKeys());
    
    qs.removeIndex(keyIndex2);
    region.destroyRegion();
  }
  
  
  /**
   * Test CompactMapRenageIndex IndexStatistics for keys, values, updates and uses.
   * @throws Exception
   */
  @Test
  public void testStatsForCompactMapRangeIndex() throws Exception{
    createAndPopulateRegion();
    keyIndex3 = (IndexProtocol) qs.createIndex("multiKeyIndex3",
        IndexType.FUNCTIONAL, "positions['DELL', 'YHOO']", "/portfolio p");
    
    assertTrue(keyIndex3 instanceof PartitionedIndex);
    
    IndexStatistics keyIndexStats = keyIndex3.getStatistics();
    assertTrue(keyIndexStats instanceof IndexStatistics);
    assertEquals(89, keyIndexStats.getNumberOfBucketIndexes());

    assertEquals(2, keyIndexStats.getNumberOfMapIndexKeys());
    assertEquals(100, keyIndexStats.getNumberOfKeys());
    assertEquals(100, keyIndexStats.getNumberOfValues());
    assertEquals(100, keyIndexStats.getNumUpdates());
    
    for(int i=0; i<100; i++){
      region.put(Integer.toString(i), new Portfolio(i, i));
    }
    
    assertEquals(2, keyIndexStats.getNumberOfMapIndexKeys());
    assertEquals(100, keyIndexStats.getNumberOfKeys());
    assertEquals(100, keyIndexStats.getNumberOfValues());
    assertEquals(200, keyIndexStats.getNumUpdates());
    
    String queryStr = "select * from /portfolio where positions['DELL'] != NULL OR positions['YHOO'] != NULL";
    Query query = qs.newQuery(queryStr);

    for(int i=0; i<50; i++){
      query.execute();
    }

    //Both RangeIndex should be used
    assertEquals(100 /*Execution time*/, 
        keyIndexStats.getTotalUses());
  
    for(int i=0; i<50; i++){
      region.invalidate(Integer.toString(i));
    }
    
    assertEquals(2, keyIndexStats.getNumberOfMapIndexKeys());
    assertEquals(50, keyIndexStats.getNumberOfKeys());
    assertEquals(50, keyIndexStats.getNumberOfValues());
    assertEquals(250, keyIndexStats.getNumUpdates());
    
    for(int i=0; i<50; i++){
      region.destroy(Integer.toString(i));
    }
    
    assertEquals(2, keyIndexStats.getNumberOfMapIndexKeys());
    assertEquals(50, keyIndexStats.getNumberOfKeys());
    assertEquals(50, keyIndexStats.getNumberOfValues());
    assertEquals(250, keyIndexStats.getNumUpdates());
    
    for(int i=50; i<100; i++){
      region.destroy(Integer.toString(i));
    }
    
    assertEquals(300, keyIndexStats.getNumUpdates());
    assertEquals(2, keyIndexStats.getNumberOfMapIndexKeys());
    assertEquals(0, keyIndexStats.getNumberOfKeys());
    
    qs.removeIndex(keyIndex3);
    region.destroyRegion();
  }
  
  /**
   * Test MapRenageIndex IndexStatistics for keys, values, updates and uses.
   * @throws Exception
   */
  @Test
  public void testStatsForMapRangeIndex() throws Exception{
    IndexManager.TEST_RANGEINDEX_ONLY = true;
    createAndPopulateRegion();
    keyIndex3 = (IndexProtocol) qs.createIndex("multiKeyIndex3",
        IndexType.FUNCTIONAL, "positions['DELL', 'YHOO']", "/portfolio");
    
    assertTrue(keyIndex3 instanceof PartitionedIndex);
    
    IndexStatistics keyIndexStats = keyIndex3.getStatistics();
    assertTrue(keyIndexStats instanceof IndexStatistics);
    assertEquals(89, keyIndexStats.getNumberOfBucketIndexes());

    assertEquals(89, keyIndexStats.getNumberOfBucketIndexes());
    assertEquals(2, keyIndexStats.getNumberOfMapIndexKeys());
    assertEquals(100, keyIndexStats.getNumberOfKeys());
    assertEquals(100, keyIndexStats.getNumberOfValues());
    assertEquals(100, keyIndexStats.getNumUpdates());

    Position.cnt = 0;
    for(int i=0; i<100; i++){
      region.put(Integer.toString(i), new Portfolio(i, i));
    }
    
    assertEquals(2, keyIndexStats.getNumberOfMapIndexKeys());
    assertEquals(100, keyIndexStats.getNumberOfKeys());
    assertEquals(100, keyIndexStats.getNumberOfValues());
    assertEquals(200, keyIndexStats.getNumUpdates());
    
    String queryStr = "select * from /portfolio where positions['DELL'] != NULL OR positions['YHOO'] != NULL";
    Query query = qs.newQuery(queryStr);

    for(int i=0; i<50; i++){
      query.execute();
    }

    //Both RangeIndex should be used
    assertEquals(100 /*Execution time*/, 
        keyIndexStats.getTotalUses());
    
    for(int i=0; i<50; i++){
      region.invalidate(Integer.toString(i));
    }
    
    assertEquals(2, keyIndexStats.getNumberOfMapIndexKeys());
    assertEquals(50, keyIndexStats.getNumberOfKeys());
    assertEquals(50, keyIndexStats.getNumberOfValues());
    assertEquals(300, keyIndexStats.getNumUpdates());
    
    for(int i=0; i<50; i++){
      region.destroy(Integer.toString(i));
    }
    
    assertEquals(2, keyIndexStats.getNumberOfMapIndexKeys());
    assertEquals(50, keyIndexStats.getNumberOfKeys());
    assertEquals(50, keyIndexStats.getNumberOfValues());
    assertEquals(300, keyIndexStats.getNumUpdates());
   
    
    for(int i=50; i<100; i++){
      region.destroy(Integer.toString(i));
    }
    
    assertEquals(400, keyIndexStats.getNumUpdates());   
    assertEquals(0, keyIndexStats.getNumberOfKeys());
    assertEquals(2, keyIndexStats.getNumberOfMapIndexKeys());
 
    qs.removeIndex(keyIndex3);
    region.destroyRegion();
  }
  
  /**
   * Test RenageIndex IndexStatistics for keys, values, updates and uses.
   * @throws Exception
   */
  @Test
  public void testStatsForRangeIndexBeforeRegionCreation() throws Exception{
    //Destroy region
    createRegion();
    assertEquals(0, region.size());
    
    keyIndex1 = (IndexProtocol) qs.createIndex("multiKeyIndex4",
        IndexType.FUNCTIONAL, "pos.secId", "/portfolio p, p.positions.values pos");
    
    //Recreate all entries in the region
    for(int i=0; i<100; i++){
      region.put(Integer.toString(i), new Portfolio(i, i));
    }
    
    assertTrue(keyIndex1 instanceof PartitionedIndex);
    
    IndexStatistics keyIndex1Stats = keyIndex1.getStatistics();
    assertEquals(89, keyIndex1Stats.getNumberOfBucketIndexes());

    //Initial stats test (keys, values & updates)
    assertEquals(2*100/*Num of values in region*/, keyIndex1Stats.getNumberOfKeys());
    assertEquals(200, keyIndex1Stats.getNumberOfValues());
    assertEquals(200, keyIndex1Stats.getNumUpdates());
    
    for(int i=0; i<100; i++){
      region.put(Integer.toString(i), new Portfolio(i, i));
    }
    
    assertEquals(2*100/*Num of values in region*/, keyIndex1Stats.getNumberOfKeys());
    assertEquals(200, keyIndex1Stats.getNumberOfValues());
    assertEquals(400, keyIndex1Stats.getNumUpdates());
    
    //IndexUsed stats test
    String queryStr = "select * from /portfolio p, p.positions.values pos where pos.secId = 'YHOO'";
    Query query = qs.newQuery(queryStr);

    for(int i=0; i<50; i++){
      query.execute();
    }
 
    assertEquals(50, keyIndex1Stats.getTotalUses());
    
    //NumOfValues should be reduced.
    for(int i=0; i<50; i++){
      region.invalidate(Integer.toString(i));
    }
    
    assertEquals(100/*Num of values in region*/, keyIndex1Stats.getNumberOfKeys());
    assertEquals(100, keyIndex1Stats.getNumberOfValues());
    assertEquals(450, keyIndex1Stats.getNumUpdates());
    
    //Should not have any effect as invalidated values are destroyed
    for(int i=0; i<50; i++){
      region.destroy(Integer.toString(i));
    }
    
    assertEquals(100/*Num of values in region*/, keyIndex1Stats.getNumberOfKeys());
    assertEquals(100, keyIndex1Stats.getNumberOfValues());
    assertEquals(450, keyIndex1Stats.getNumUpdates());
    
    //NumOfKeys should get zero as all values are destroyed
    for(int i=50; i<100; i++){
      region.destroy(Integer.toString(i));
    }
    
    assertEquals(500, keyIndex1Stats.getNumUpdates());
    
    assertEquals(0, keyIndex1Stats.getNumberOfKeys());
    
    qs.removeIndex(keyIndex1);
    region.destroyRegion();
  }
  
  /**
   * Test CompactRenageIndex IndexStatistics for keys, values, updates and uses.
   * @throws Exception
   */
  @Test
  public void testStatsForCompactRangeIndexBeforeRegionCreation() throws Exception{
    //Destroy region
    createRegion();
    assertEquals(0, region.size());
    
    keyIndex2 = (IndexProtocol) qs.createIndex("multiKeyIndex5",
        IndexType.FUNCTIONAL, "ID", "/portfolio ");
    
    //Recreate all entries in the region
    for(int i=0; i<100; i++){
      region.put(Integer.toString(i), new Portfolio(i, i));
    }
    
    assertTrue(keyIndex2 instanceof PartitionedIndex);

    IndexStatistics keyIndex1Stats = keyIndex2.getStatistics();
    assertEquals(89, keyIndex1Stats.getNumberOfBucketIndexes());

    //Initial stats test (keys, values & updates)
    assertEquals(100, keyIndex1Stats.getNumberOfKeys());
    assertEquals(100, keyIndex1Stats.getNumberOfValues());
    assertEquals(100, keyIndex1Stats.getNumUpdates());
    
    for(int i=0; i<100; i++){
      region.put(Integer.toString(i), new Portfolio(i, i));
    }
    
    assertEquals(100, keyIndex1Stats.getNumberOfKeys());
    assertEquals(100, keyIndex1Stats.getNumberOfValues());
    assertEquals(200, keyIndex1Stats.getNumUpdates());
    
    //IndexUsed stats test
    String queryStr = "select * from /portfolio where ID > 0";
    Query query = qs.newQuery(queryStr);

    for(int i=0; i<50; i++){
      query.execute();
    }
 
    assertEquals(50, keyIndex1Stats.getTotalUses());
    
    //NumOfValues should be reduced.
    for(int i=0; i<50; i++){
      region.invalidate(Integer.toString(i));
    }
    
    assertEquals(50, keyIndex1Stats.getNumberOfKeys());
    assertEquals(50, keyIndex1Stats.getNumberOfValues());
    assertEquals(250, keyIndex1Stats.getNumUpdates());
    
    for(int i=0; i<50; i++){
      region.destroy(Integer.toString(i));
    }
    
    assertEquals(50, keyIndex1Stats.getNumberOfKeys());
    assertEquals(50, keyIndex1Stats.getNumberOfValues());
    assertEquals(250, keyIndex1Stats.getNumUpdates());
    
    //NumOfKeys should get zero as all values are destroyed
    for(int i=50; i<100; i++){
      region.destroy(Integer.toString(i));
    }
    
    assertEquals(300, keyIndex1Stats.getNumUpdates());
    
    assertEquals(0, keyIndex1Stats.getNumberOfKeys());
    
    qs.removeIndex(keyIndex2);
    region.destroyRegion();
  }
  
  /**
   * Test MapRenageIndex IndexStatistics for keys, values, updates and uses.
   * @throws Exception
   */
  @Test
  public void testStatsForCompactMapRangeIndexBeforeRegionCreation() throws Exception{
    //Destroy region
    createRegion();
    assertEquals(0, region.size());
    
    keyIndex3 = (IndexProtocol) qs.createIndex("multiKeyIndex6",
        IndexType.FUNCTIONAL, "positions['DELL', 'YHOO']", "/portfolio");
  
    //Recreate all entries in the region
    Position.cnt = 0;
    for(int i=0; i<100; i++){
      region.put(Integer.toString(i), new Portfolio(i, i));
    }
    assertTrue(keyIndex3 instanceof PartitionedIndex);

    IndexStatistics keyIndexStats = keyIndex3.getStatistics();
    assertTrue(keyIndexStats instanceof IndexStatistics);
    assertEquals(89, keyIndexStats.getNumberOfBucketIndexes());

    assertEquals(2, keyIndexStats.getNumberOfMapIndexKeys());
    assertEquals(100, keyIndexStats.getNumberOfKeys());
    assertEquals(100, keyIndexStats.getNumberOfValues());
    assertEquals(100, keyIndexStats.getNumUpdates());

    Position.cnt = 0;
    for(int i=0; i<100; i++){
      region.put(Integer.toString(i), new Portfolio(i, i));
    }
    
    assertEquals(2, keyIndexStats.getNumberOfMapIndexKeys());
    assertEquals(100, keyIndexStats.getNumberOfKeys());
    assertEquals(100, keyIndexStats.getNumberOfValues());
    assertEquals(200, keyIndexStats.getNumUpdates());
    
    String queryStr = "select * from /portfolio where positions['DELL'] != NULL OR positions['YHOO'] != NULL";
    Query query = qs.newQuery(queryStr);

    for(int i=0; i<50; i++){
      query.execute();
    }

    //Both RangeIndex should be used
    assertEquals((100 /*Execution time*/), 
        keyIndexStats.getTotalUses());

    for(int i=0; i<50; i++){
      region.invalidate(Integer.toString(i));
    }
    
    assertEquals(2, keyIndexStats.getNumberOfMapIndexKeys());
    assertEquals(50, keyIndexStats.getNumberOfKeys());
    assertEquals(50, keyIndexStats.getNumberOfValues());
    assertEquals(250, keyIndexStats.getNumUpdates());
    
    for(int i=0; i<50; i++){
      region.destroy(Integer.toString(i));
    }
    
    assertEquals(2, keyIndexStats.getNumberOfMapIndexKeys());
    assertEquals(50, keyIndexStats.getNumberOfKeys());
    assertEquals(50, keyIndexStats.getNumberOfValues());
    assertEquals(250, keyIndexStats.getNumUpdates());
    
    for(int i=50; i<100; i++){
      region.destroy(Integer.toString(i));
    }
    
    assertEquals(300, keyIndexStats.getNumUpdates());
    assertEquals(2, keyIndexStats.getNumberOfMapIndexKeys());
    assertEquals(0, keyIndexStats.getNumberOfKeys());
    
    qs.removeIndex(keyIndex3);
    region.destroyRegion();
  }
  
  /**
   * Test MapRenageIndex IndexStatistics for keys, values, updates and uses.
   * @throws Exception
   */
  @Test
  public void testStatsForMapRangeIndexBeforeRegionCreation() throws Exception{
    //Destroy region
    IndexManager.TEST_RANGEINDEX_ONLY = true;
    createRegion();
    assertEquals(0, region.size());
    
    keyIndex3 = (IndexProtocol) qs.createIndex("multiKeyIndex6",
        IndexType.FUNCTIONAL, "positions['DELL', 'YHOO']", "/portfolio");
  
    //Recreate all entries in the region
    Position.cnt = 0;
    for(int i=0; i<100; i++){
      region.put(Integer.toString(i), new Portfolio(i, i));
    }
    assertTrue(keyIndex3 instanceof PartitionedIndex);

    IndexStatistics keyIndexStats = keyIndex3.getStatistics();
    assertTrue(keyIndexStats instanceof IndexStatistics);
    assertEquals(89, keyIndexStats.getNumberOfBucketIndexes());

    assertEquals(2, keyIndexStats.getNumberOfMapIndexKeys());
    assertEquals(100, keyIndexStats.getNumberOfKeys());
    assertEquals(100, keyIndexStats.getNumberOfValues());
    assertEquals(100, keyIndexStats.getNumUpdates());

    Position.cnt = 0;
    for(int i=0; i<100; i++){
      region.put(Integer.toString(i), new Portfolio(i, i));
    }
    
    assertEquals(2, keyIndexStats.getNumberOfMapIndexKeys());
    assertEquals(100, keyIndexStats.getNumberOfKeys());
    assertEquals(100, keyIndexStats.getNumberOfValues());
    assertEquals(200, keyIndexStats.getNumUpdates());
    
    String queryStr = "select * from /portfolio where positions['DELL'] != NULL OR positions['YHOO'] != NULL";
    Query query = qs.newQuery(queryStr);

    for(int i=0; i<50; i++){
      query.execute();
    }

    //Both RangeIndex should be used
    assertEquals(100 /*Execution time*/, 
        keyIndexStats.getTotalUses());
    
    for(int i=0; i<50; i++){
      region.invalidate(Integer.toString(i));
    }
    
    assertEquals(2, keyIndexStats.getNumberOfMapIndexKeys());
    assertEquals(50, keyIndexStats.getNumberOfKeys());
    assertEquals(50, keyIndexStats.getNumberOfValues());
    assertEquals(300, keyIndexStats.getNumUpdates());
    
    for(int i=0; i<50; i++){
      region.destroy(Integer.toString(i));
    }
    
    assertEquals(2, keyIndexStats.getNumberOfMapIndexKeys());
    assertEquals(50, keyIndexStats.getNumberOfKeys());
    assertEquals(50, keyIndexStats.getNumberOfValues());
    assertEquals(300, keyIndexStats.getNumUpdates());
   
    
    for(int i=50; i<100; i++){
      region.destroy(Integer.toString(i));
    }
    
    assertEquals(2, keyIndexStats.getNumberOfMapIndexKeys());
    assertEquals(400, keyIndexStats.getNumUpdates());   
    assertEquals(0, keyIndexStats.getNumberOfKeys());
     
    qs.removeIndex(keyIndex3);
    region.destroyRegion();
  }
}