0.90/src/test/java/org/apache/hadoop/hbase/regionserver/TestQueryMatcher.java - hbase - Git at Google

 /*
  * Copyright 2009 The Apache Software Foundation
  *
  * 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.hadoop.hbase.regionserver;

 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;

 import org.apache.hadoop.hbase.HBaseTestCase;
 import org.apache.hadoop.hbase.KeyValue;
 import org.apache.hadoop.hbase.KeyValue.KeyComparator;
 import org.apache.hadoop.hbase.client.Get;
 import org.apache.hadoop.hbase.client.Scan;
 import org.apache.hadoop.hbase.regionserver.ScanQueryMatcher.MatchCode;
 import org.apache.hadoop.hbase.util.Bytes;


 public class TestQueryMatcher extends HBaseTestCase {
   private static final boolean PRINT = false;

   private byte[] row1;
   private byte[] row2;
   private byte[] fam1;
   private byte[] fam2;
   private byte[] col1;
   private byte[] col2;
   private byte[] col3;
   private byte[] col4;
   private byte[] col5;

   private byte[] data;

   private Get get;

   long ttl = Long.MAX_VALUE;
   KeyComparator rowComparator;
   private Scan scan;

   public void setUp() throws Exception {
     super.setUp();
     row1 = Bytes.toBytes("row1");
     row2 = Bytes.toBytes("row2");
     fam1 = Bytes.toBytes("fam1");
     fam2 = Bytes.toBytes("fam2");
     col1 = Bytes.toBytes("col1");
     col2 = Bytes.toBytes("col2");
     col3 = Bytes.toBytes("col3");
     col4 = Bytes.toBytes("col4");
     col5 = Bytes.toBytes("col5");

     data = Bytes.toBytes("data");

     //Create Get
     get = new Get(row1);
     get.addFamily(fam1);
     get.addColumn(fam2, col2);
     get.addColumn(fam2, col4);
     get.addColumn(fam2, col5);
     this.scan = new Scan(get);

     rowComparator = KeyValue.KEY_COMPARATOR;

   }

   public void testMatch_ExplicitColumns()
   throws IOException {
     //Moving up from the Tracker by using Gets and List<KeyValue> instead
     //of just byte []

     //Expected result
     List<MatchCode> expected = new ArrayList<ScanQueryMatcher.MatchCode>();
     expected.add(ScanQueryMatcher.MatchCode.SEEK_NEXT_COL);
     expected.add(ScanQueryMatcher.MatchCode.INCLUDE);
     expected.add(ScanQueryMatcher.MatchCode.SEEK_NEXT_COL);
     expected.add(ScanQueryMatcher.MatchCode.INCLUDE);
     expected.add(ScanQueryMatcher.MatchCode.INCLUDE);
     expected.add(ScanQueryMatcher.MatchCode.DONE);

     // 2,4,5
     ScanQueryMatcher qm = new ScanQueryMatcher(scan, fam2,
         get.getFamilyMap().get(fam2), ttl, rowComparator, 1);

     List<KeyValue> memstore = new ArrayList<KeyValue>();
     memstore.add(new KeyValue(row1, fam2, col1, 1, data));
     memstore.add(new KeyValue(row1, fam2, col2, 1, data));
     memstore.add(new KeyValue(row1, fam2, col3, 1, data));
     memstore.add(new KeyValue(row1, fam2, col4, 1, data));
     memstore.add(new KeyValue(row1, fam2, col5, 1, data));

     memstore.add(new KeyValue(row2, fam1, col1, data));

     List<ScanQueryMatcher.MatchCode> actual = new ArrayList<ScanQueryMatcher.MatchCode>();
     qm.setRow(memstore.get(0).getRow());

     for (KeyValue kv : memstore){
       actual.add(qm.match(kv));
     }

     assertEquals(expected.size(), actual.size());
     for(int i=0; i< expected.size(); i++){
       assertEquals(expected.get(i), actual.get(i));
       if(PRINT){
         System.out.println("expected "+expected.get(i)+
             ", actual " +actual.get(i));
       }
     }
   }


   public void testMatch_Wildcard()
   throws IOException {
     //Moving up from the Tracker by using Gets and List<KeyValue> instead
     //of just byte []

     //Expected result
     List<MatchCode> expected = new ArrayList<ScanQueryMatcher.MatchCode>();
     expected.add(ScanQueryMatcher.MatchCode.INCLUDE);
     expected.add(ScanQueryMatcher.MatchCode.INCLUDE);
     expected.add(ScanQueryMatcher.MatchCode.INCLUDE);
     expected.add(ScanQueryMatcher.MatchCode.INCLUDE);
     expected.add(ScanQueryMatcher.MatchCode.INCLUDE);
     expected.add(ScanQueryMatcher.MatchCode.DONE);

     ScanQueryMatcher qm = new ScanQueryMatcher(scan, fam2, null, ttl, rowComparator, 1);

     List<KeyValue> memstore = new ArrayList<KeyValue>();
     memstore.add(new KeyValue(row1, fam2, col1, 1, data));
     memstore.add(new KeyValue(row1, fam2, col2, 1, data));
     memstore.add(new KeyValue(row1, fam2, col3, 1, data));
     memstore.add(new KeyValue(row1, fam2, col4, 1, data));
     memstore.add(new KeyValue(row1, fam2, col5, 1, data));
     memstore.add(new KeyValue(row2, fam1, col1, 1, data));

     List<ScanQueryMatcher.MatchCode> actual = new ArrayList<ScanQueryMatcher.MatchCode>();

     qm.setRow(memstore.get(0).getRow());

     for(KeyValue kv : memstore) {
       actual.add(qm.match(kv));
     }

     assertEquals(expected.size(), actual.size());
     for(int i=0; i< expected.size(); i++){
       assertEquals(expected.get(i), actual.get(i));
       if(PRINT){
         System.out.println("expected "+expected.get(i)+
             ", actual " +actual.get(i));
       }
     }
   }


   /**
    * Verify that {@link ScanQueryMatcher} only skips expired KeyValue
    * instances and does not exit early from the row (skipping
    * later non-expired KeyValues).  This version mimics a Get with
    * explicitly specified column qualifiers.
    *
    * @throws IOException
    */
   public void testMatch_ExpiredExplicit()
   throws IOException {

     long testTTL = 1000;
     MatchCode [] expected = new MatchCode[] {
         ScanQueryMatcher.MatchCode.SEEK_NEXT_COL,
         ScanQueryMatcher.MatchCode.INCLUDE,
         ScanQueryMatcher.MatchCode.SEEK_NEXT_COL,
         ScanQueryMatcher.MatchCode.INCLUDE,
         ScanQueryMatcher.MatchCode.SEEK_NEXT_ROW,
         ScanQueryMatcher.MatchCode.DONE
     };

     ScanQueryMatcher qm = new ScanQueryMatcher(scan, fam2,
         get.getFamilyMap().get(fam2), testTTL, rowComparator, 1);

     long now = System.currentTimeMillis();
     KeyValue [] kvs = new KeyValue[] {
         new KeyValue(row1, fam2, col1, now-100, data),
         new KeyValue(row1, fam2, col2, now-50, data),
         new KeyValue(row1, fam2, col3, now-5000, data),
         new KeyValue(row1, fam2, col4, now-500, data),
         new KeyValue(row1, fam2, col5, now-10000, data),
         new KeyValue(row2, fam1, col1, now-10, data)
     };

     qm.setRow(kvs[0].getRow());

     List<MatchCode> actual = new ArrayList<MatchCode>(kvs.length);
     for (KeyValue kv : kvs) {
       actual.add( qm.match(kv) );
     }

     assertEquals(expected.length, actual.size());
     for (int i=0; i<expected.length; i++) {
       if(PRINT){
         System.out.println("expected "+expected[i]+
             ", actual " +actual.get(i));
       }
       assertEquals(expected[i], actual.get(i));
     }
   }


   /**
    * Verify that {@link ScanQueryMatcher} only skips expired KeyValue
    * instances and does not exit early from the row (skipping
    * later non-expired KeyValues).  This version mimics a Get with
    * wildcard-inferred column qualifiers.
    *
    * @throws IOException
    */
   public void testMatch_ExpiredWildcard()
   throws IOException {

     long testTTL = 1000;
     MatchCode [] expected = new MatchCode[] {
         ScanQueryMatcher.MatchCode.INCLUDE,
         ScanQueryMatcher.MatchCode.INCLUDE,
         ScanQueryMatcher.MatchCode.SEEK_NEXT_COL,
         ScanQueryMatcher.MatchCode.INCLUDE,
         ScanQueryMatcher.MatchCode.SEEK_NEXT_COL,
         ScanQueryMatcher.MatchCode.DONE
     };

     ScanQueryMatcher qm = new ScanQueryMatcher(scan, fam2,
         null, testTTL, rowComparator, 1);

     long now = System.currentTimeMillis();
     KeyValue [] kvs = new KeyValue[] {
         new KeyValue(row1, fam2, col1, now-100, data),
         new KeyValue(row1, fam2, col2, now-50, data),
         new KeyValue(row1, fam2, col3, now-5000, data),
         new KeyValue(row1, fam2, col4, now-500, data),
         new KeyValue(row1, fam2, col5, now-10000, data),
         new KeyValue(row2, fam1, col1, now-10, data)
     };
     qm.setRow(kvs[0].getRow());

     List<ScanQueryMatcher.MatchCode> actual = new ArrayList<ScanQueryMatcher.MatchCode>(kvs.length);
     for (KeyValue kv : kvs) {
       actual.add( qm.match(kv) );
     }

     assertEquals(expected.length, actual.size());
     for (int i=0; i<expected.length; i++) {
       if(PRINT){
         System.out.println("expected "+expected[i]+
             ", actual " +actual.get(i));
       }
       assertEquals(expected[i], actual.get(i));
     }
   }
 }
	/*
	* Copyright 2009 The Apache Software Foundation
	*
	* 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.hadoop.hbase.regionserver;

	import java.io.IOException;
	import java.util.ArrayList;
	import java.util.List;

	import org.apache.hadoop.hbase.HBaseTestCase;
	import org.apache.hadoop.hbase.KeyValue;
	import org.apache.hadoop.hbase.KeyValue.KeyComparator;
	import org.apache.hadoop.hbase.client.Get;
	import org.apache.hadoop.hbase.client.Scan;
	import org.apache.hadoop.hbase.regionserver.ScanQueryMatcher.MatchCode;
	import org.apache.hadoop.hbase.util.Bytes;


	public class TestQueryMatcher extends HBaseTestCase {
	private static final boolean PRINT = false;

	private byte[] row1;
	private byte[] row2;
	private byte[] fam1;
	private byte[] fam2;
	private byte[] col1;
	private byte[] col2;
	private byte[] col3;
	private byte[] col4;
	private byte[] col5;

	private byte[] data;

	private Get get;

	long ttl = Long.MAX_VALUE;
	KeyComparator rowComparator;
	private Scan scan;

	public void setUp() throws Exception {
	super.setUp();
	row1 = Bytes.toBytes("row1");
	row2 = Bytes.toBytes("row2");
	fam1 = Bytes.toBytes("fam1");
	fam2 = Bytes.toBytes("fam2");
	col1 = Bytes.toBytes("col1");
	col2 = Bytes.toBytes("col2");
	col3 = Bytes.toBytes("col3");
	col4 = Bytes.toBytes("col4");
	col5 = Bytes.toBytes("col5");

	data = Bytes.toBytes("data");

	//Create Get
	get = new Get(row1);
	get.addFamily(fam1);
	get.addColumn(fam2, col2);
	get.addColumn(fam2, col4);
	get.addColumn(fam2, col5);
	this.scan = new Scan(get);

	rowComparator = KeyValue.KEY_COMPARATOR;

	}

	public void testMatch_ExplicitColumns()
	throws IOException {
	//Moving up from the Tracker by using Gets and List<KeyValue> instead
	//of just byte []

	//Expected result
	List<MatchCode> expected = new ArrayList<ScanQueryMatcher.MatchCode>();
	expected.add(ScanQueryMatcher.MatchCode.SEEK_NEXT_COL);
	expected.add(ScanQueryMatcher.MatchCode.INCLUDE);
	expected.add(ScanQueryMatcher.MatchCode.SEEK_NEXT_COL);
	expected.add(ScanQueryMatcher.MatchCode.INCLUDE);
	expected.add(ScanQueryMatcher.MatchCode.INCLUDE);
	expected.add(ScanQueryMatcher.MatchCode.DONE);

	// 2,4,5
	ScanQueryMatcher qm = new ScanQueryMatcher(scan, fam2,
	get.getFamilyMap().get(fam2), ttl, rowComparator, 1);

	List<KeyValue> memstore = new ArrayList<KeyValue>();
	memstore.add(new KeyValue(row1, fam2, col1, 1, data));
	memstore.add(new KeyValue(row1, fam2, col2, 1, data));
	memstore.add(new KeyValue(row1, fam2, col3, 1, data));
	memstore.add(new KeyValue(row1, fam2, col4, 1, data));
	memstore.add(new KeyValue(row1, fam2, col5, 1, data));

	memstore.add(new KeyValue(row2, fam1, col1, data));

	List<ScanQueryMatcher.MatchCode> actual = new ArrayList<ScanQueryMatcher.MatchCode>();
	qm.setRow(memstore.get(0).getRow());

	for (KeyValue kv : memstore){
	actual.add(qm.match(kv));
	}

	assertEquals(expected.size(), actual.size());
	for(int i=0; i< expected.size(); i++){
	assertEquals(expected.get(i), actual.get(i));
	if(PRINT){
	System.out.println("expected "+expected.get(i)+
	", actual " +actual.get(i));
	}
	}
	}


	public void testMatch_Wildcard()
	throws IOException {
	//Moving up from the Tracker by using Gets and List<KeyValue> instead
	//of just byte []

	//Expected result
	List<MatchCode> expected = new ArrayList<ScanQueryMatcher.MatchCode>();
	expected.add(ScanQueryMatcher.MatchCode.INCLUDE);
	expected.add(ScanQueryMatcher.MatchCode.INCLUDE);
	expected.add(ScanQueryMatcher.MatchCode.INCLUDE);
	expected.add(ScanQueryMatcher.MatchCode.INCLUDE);
	expected.add(ScanQueryMatcher.MatchCode.INCLUDE);
	expected.add(ScanQueryMatcher.MatchCode.DONE);

	ScanQueryMatcher qm = new ScanQueryMatcher(scan, fam2, null, ttl, rowComparator, 1);

	List<KeyValue> memstore = new ArrayList<KeyValue>();
	memstore.add(new KeyValue(row1, fam2, col1, 1, data));
	memstore.add(new KeyValue(row1, fam2, col2, 1, data));
	memstore.add(new KeyValue(row1, fam2, col3, 1, data));
	memstore.add(new KeyValue(row1, fam2, col4, 1, data));
	memstore.add(new KeyValue(row1, fam2, col5, 1, data));
	memstore.add(new KeyValue(row2, fam1, col1, 1, data));

	List<ScanQueryMatcher.MatchCode> actual = new ArrayList<ScanQueryMatcher.MatchCode>();

	qm.setRow(memstore.get(0).getRow());

	for(KeyValue kv : memstore) {
	actual.add(qm.match(kv));
	}

	assertEquals(expected.size(), actual.size());
	for(int i=0; i< expected.size(); i++){
	assertEquals(expected.get(i), actual.get(i));
	if(PRINT){
	System.out.println("expected "+expected.get(i)+
	", actual " +actual.get(i));
	}
	}
	}


	/**
	* Verify that {@link ScanQueryMatcher} only skips expired KeyValue
	* instances and does not exit early from the row (skipping
	* later non-expired KeyValues). This version mimics a Get with
	* explicitly specified column qualifiers.
	*
	* @throws IOException
	*/
	public void testMatch_ExpiredExplicit()
	throws IOException {

	long testTTL = 1000;
	MatchCode [] expected = new MatchCode[] {
	ScanQueryMatcher.MatchCode.SEEK_NEXT_COL,
	ScanQueryMatcher.MatchCode.INCLUDE,
	ScanQueryMatcher.MatchCode.SEEK_NEXT_COL,
	ScanQueryMatcher.MatchCode.INCLUDE,
	ScanQueryMatcher.MatchCode.SEEK_NEXT_ROW,
	ScanQueryMatcher.MatchCode.DONE
	};

	ScanQueryMatcher qm = new ScanQueryMatcher(scan, fam2,
	get.getFamilyMap().get(fam2), testTTL, rowComparator, 1);

	long now = System.currentTimeMillis();
	KeyValue [] kvs = new KeyValue[] {
	new KeyValue(row1, fam2, col1, now-100, data),
	new KeyValue(row1, fam2, col2, now-50, data),
	new KeyValue(row1, fam2, col3, now-5000, data),
	new KeyValue(row1, fam2, col4, now-500, data),
	new KeyValue(row1, fam2, col5, now-10000, data),
	new KeyValue(row2, fam1, col1, now-10, data)
	};

	qm.setRow(kvs[0].getRow());

	List<MatchCode> actual = new ArrayList<MatchCode>(kvs.length);
	for (KeyValue kv : kvs) {
	actual.add( qm.match(kv) );
	}

	assertEquals(expected.length, actual.size());
	for (int i=0; i<expected.length; i++) {
	if(PRINT){
	System.out.println("expected "+expected[i]+
	", actual " +actual.get(i));
	}
	assertEquals(expected[i], actual.get(i));
	}
	}


	/**
	* Verify that {@link ScanQueryMatcher} only skips expired KeyValue
	* instances and does not exit early from the row (skipping
	* later non-expired KeyValues). This version mimics a Get with
	* wildcard-inferred column qualifiers.
	*
	* @throws IOException
	*/
	public void testMatch_ExpiredWildcard()
	throws IOException {

	long testTTL = 1000;
	MatchCode [] expected = new MatchCode[] {
	ScanQueryMatcher.MatchCode.INCLUDE,
	ScanQueryMatcher.MatchCode.INCLUDE,
	ScanQueryMatcher.MatchCode.SEEK_NEXT_COL,
	ScanQueryMatcher.MatchCode.INCLUDE,
	ScanQueryMatcher.MatchCode.SEEK_NEXT_COL,
	ScanQueryMatcher.MatchCode.DONE
	};

	ScanQueryMatcher qm = new ScanQueryMatcher(scan, fam2,
	null, testTTL, rowComparator, 1);

	long now = System.currentTimeMillis();
	KeyValue [] kvs = new KeyValue[] {
	new KeyValue(row1, fam2, col1, now-100, data),
	new KeyValue(row1, fam2, col2, now-50, data),
	new KeyValue(row1, fam2, col3, now-5000, data),
	new KeyValue(row1, fam2, col4, now-500, data),
	new KeyValue(row1, fam2, col5, now-10000, data),
	new KeyValue(row2, fam1, col1, now-10, data)
	};
	qm.setRow(kvs[0].getRow());

	List<ScanQueryMatcher.MatchCode> actual = new ArrayList<ScanQueryMatcher.MatchCode>(kvs.length);
	for (KeyValue kv : kvs) {
	actual.add( qm.match(kv) );
	}

	assertEquals(expected.length, actual.size());
	for (int i=0; i<expected.length; i++) {
	if(PRINT){
	System.out.println("expected "+expected[i]+
	", actual " +actual.get(i));
	}
	assertEquals(expected[i], actual.get(i));
	}
	}
	}