/* * 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.filter; import java.io.IOException; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import java.util.concurrent.atomic.AtomicInteger; import junit.framework.Assert; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.apache.hadoop.hbase.HBaseTestCase; import org.apache.hadoop.hbase.HColumnDescriptor; import org.apache.hadoop.hbase.HConstants; import org.apache.hadoop.hbase.HRegionInfo; import org.apache.hadoop.hbase.HTableDescriptor; import org.apache.hadoop.hbase.KeyValue; import org.apache.hadoop.hbase.client.Delete; import org.apache.hadoop.hbase.client.Put; import org.apache.hadoop.hbase.client.Scan; import org.apache.hadoop.hbase.filter.CompareFilter.CompareOp; import org.apache.hadoop.hbase.filter.FilterList.Operator; import org.apache.hadoop.hbase.regionserver.HRegion; import org.apache.hadoop.hbase.regionserver.InternalScanner; import org.apache.hadoop.hbase.util.Bytes; /** * Test filters at the HRegion doorstep. */ public class TestFilter extends HBaseTestCase { private final Log LOG = LogFactory.getLog(this.getClass()); private HRegion region; // // Rows, Qualifiers, and Values are in two groups, One and Two. // private static final byte [][] ROWS_ONE = { Bytes.toBytes("testRowOne-0"), Bytes.toBytes("testRowOne-1"), Bytes.toBytes("testRowOne-2"), Bytes.toBytes("testRowOne-3") }; private static final byte [][] ROWS_TWO = { Bytes.toBytes("testRowTwo-0"), Bytes.toBytes("testRowTwo-1"), Bytes.toBytes("testRowTwo-2"), Bytes.toBytes("testRowTwo-3") }; private static final byte [][] FAMILIES = { Bytes.toBytes("testFamilyOne"), Bytes.toBytes("testFamilyTwo") }; private static final byte [][] QUALIFIERS_ONE = { Bytes.toBytes("testQualifierOne-0"), Bytes.toBytes("testQualifierOne-1"), Bytes.toBytes("testQualifierOne-2"), Bytes.toBytes("testQualifierOne-3") }; private static final byte [][] QUALIFIERS_TWO = { Bytes.toBytes("testQualifierTwo-0"), Bytes.toBytes("testQualifierTwo-1"), Bytes.toBytes("testQualifierTwo-2"), Bytes.toBytes("testQualifierTwo-3") }; private static final byte [][] VALUES = { Bytes.toBytes("testValueOne"), Bytes.toBytes("testValueTwo") }; private long numRows = ROWS_ONE.length + ROWS_TWO.length; private long colsPerRow = FAMILIES.length * QUALIFIERS_ONE.length; protected void setUp() throws Exception { super.setUp(); HTableDescriptor htd = new HTableDescriptor(getName()); htd.addFamily(new HColumnDescriptor(FAMILIES[0])); htd.addFamily(new HColumnDescriptor(FAMILIES[1])); HRegionInfo info = new HRegionInfo(htd, null, null, false); this.region = HRegion.createHRegion(info, this.testDir, this.conf); // Insert first half for(byte [] ROW : ROWS_ONE) { Put p = new Put(ROW); for(byte [] QUALIFIER : QUALIFIERS_ONE) { p.add(FAMILIES[0], QUALIFIER, VALUES[0]); } this.region.put(p); } for(byte [] ROW : ROWS_TWO) { Put p = new Put(ROW); for(byte [] QUALIFIER : QUALIFIERS_TWO) { p.add(FAMILIES[1], QUALIFIER, VALUES[1]); } this.region.put(p); } // Flush this.region.flushcache(); // Insert second half (reverse families) for(byte [] ROW : ROWS_ONE) { Put p = new Put(ROW); for(byte [] QUALIFIER : QUALIFIERS_ONE) { p.add(FAMILIES[1], QUALIFIER, VALUES[0]); } this.region.put(p); } for(byte [] ROW : ROWS_TWO) { Put p = new Put(ROW); for(byte [] QUALIFIER : QUALIFIERS_TWO) { p.add(FAMILIES[0], QUALIFIER, VALUES[1]); } this.region.put(p); } // Delete the second qualifier from all rows and families for(byte [] ROW : ROWS_ONE) { Delete d = new Delete(ROW); d.deleteColumns(FAMILIES[0], QUALIFIERS_ONE[1]); d.deleteColumns(FAMILIES[1], QUALIFIERS_ONE[1]); this.region.delete(d, null, false); } for(byte [] ROW : ROWS_TWO) { Delete d = new Delete(ROW); d.deleteColumns(FAMILIES[0], QUALIFIERS_TWO[1]); d.deleteColumns(FAMILIES[1], QUALIFIERS_TWO[1]); this.region.delete(d, null, false); } colsPerRow -= 2; // Delete the second rows from both groups, one column at a time for(byte [] QUALIFIER : QUALIFIERS_ONE) { Delete d = new Delete(ROWS_ONE[1]); d.deleteColumns(FAMILIES[0], QUALIFIER); d.deleteColumns(FAMILIES[1], QUALIFIER); this.region.delete(d, null, false); } for(byte [] QUALIFIER : QUALIFIERS_TWO) { Delete d = new Delete(ROWS_TWO[1]); d.deleteColumns(FAMILIES[0], QUALIFIER); d.deleteColumns(FAMILIES[1], QUALIFIER); this.region.delete(d, null, false); } numRows -= 2; } protected void tearDown() throws Exception { this.region.close(); super.tearDown(); } public void testNoFilter() throws Exception { // No filter long expectedRows = this.numRows; long expectedKeys = this.colsPerRow; // Both families Scan s = new Scan(); verifyScan(s, expectedRows, expectedKeys); // One family s = new Scan(); s.addFamily(FAMILIES[0]); verifyScan(s, expectedRows, expectedKeys/2); } public void testPrefixFilter() throws Exception { // Grab rows from group one (half of total) long expectedRows = this.numRows / 2; long expectedKeys = this.colsPerRow; Scan s = new Scan(); s.setFilter(new PrefixFilter(Bytes.toBytes("testRowOne"))); verifyScan(s, expectedRows, expectedKeys); } public void testPageFilter() throws Exception { // KVs in first 6 rows KeyValue [] expectedKVs = { // testRowOne-0 new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[1], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[1], QUALIFIERS_ONE[3], VALUES[0]), // testRowOne-2 new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[1], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[1], QUALIFIERS_ONE[3], VALUES[0]), // testRowOne-3 new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[1], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[1], QUALIFIERS_ONE[3], VALUES[0]), // testRowTwo-0 new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]), // testRowTwo-2 new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]), // testRowTwo-3 new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]) }; // Grab all 6 rows long expectedRows = 6; long expectedKeys = this.colsPerRow; Scan s = new Scan(); s.setFilter(new PageFilter(expectedRows)); verifyScan(s, expectedRows, expectedKeys); s.setFilter(new PageFilter(expectedRows)); verifyScanFull(s, expectedKVs); // Grab first 4 rows (6 cols per row) expectedRows = 4; expectedKeys = this.colsPerRow; s = new Scan(); s.setFilter(new PageFilter(expectedRows)); verifyScan(s, expectedRows, expectedKeys); s.setFilter(new PageFilter(expectedRows)); verifyScanFull(s, Arrays.copyOf(expectedKVs, 24)); // Grab first 2 rows expectedRows = 2; expectedKeys = this.colsPerRow; s = new Scan(); s.setFilter(new PageFilter(expectedRows)); verifyScan(s, expectedRows, expectedKeys); s.setFilter(new PageFilter(expectedRows)); verifyScanFull(s, Arrays.copyOf(expectedKVs, 12)); // Grab first row expectedRows = 1; expectedKeys = this.colsPerRow; s = new Scan(); s.setFilter(new PageFilter(expectedRows)); verifyScan(s, expectedRows, expectedKeys); s.setFilter(new PageFilter(expectedRows)); verifyScanFull(s, Arrays.copyOf(expectedKVs, 6)); } /** * Tests the the {@link WhileMatchFilter} works in combination with a * {@link Filter} that uses the * {@link Filter#filterRow()} method. * * See HBASE-2258. * * @throws Exception */ public void testWhileMatchFilterWithFilterRow() throws Exception { final int pageSize = 4; Scan s = new Scan(); WhileMatchFilter filter = new WhileMatchFilter(new PageFilter(pageSize)); s.setFilter(filter); InternalScanner scanner = this.region.getScanner(s); int scannerCounter = 0; while (true) { boolean isMoreResults = scanner.next(new ArrayList<KeyValue>()); scannerCounter++; if (scannerCounter >= pageSize) { Assert.assertTrue("The WhileMatchFilter should now filter all remaining", filter.filterAllRemaining()); } if (!isMoreResults) { break; } } Assert.assertEquals("The page filter returned more rows than expected", pageSize, scannerCounter); } /** * Tests the the {@link WhileMatchFilter} works in combination with a * {@link Filter} that uses the * {@link Filter#filterRowKey(byte[], int, int)} method. * * See HBASE-2258. * * @throws Exception */ public void testWhileMatchFilterWithFilterRowKey() throws Exception { Scan s = new Scan(); String prefix = "testRowOne"; WhileMatchFilter filter = new WhileMatchFilter(new PrefixFilter(Bytes.toBytes(prefix))); s.setFilter(filter); InternalScanner scanner = this.region.getScanner(s); while (true) { ArrayList<KeyValue> values = new ArrayList<KeyValue>(); boolean isMoreResults = scanner.next(values); if (!isMoreResults || !Bytes.toString(values.get(0).getRow()).startsWith(prefix)) { Assert.assertTrue("The WhileMatchFilter should now filter all remaining", filter.filterAllRemaining()); } if (!isMoreResults) { break; } } } /** * Tests the the {@link WhileMatchFilter} works in combination with a * {@link Filter} that uses the * {@link Filter#filterKeyValue(org.apache.hadoop.hbase.KeyValue)} method. * * See HBASE-2258. * * @throws Exception */ public void testWhileMatchFilterWithFilterKeyValue() throws Exception { Scan s = new Scan(); WhileMatchFilter filter = new WhileMatchFilter( new SingleColumnValueFilter(FAMILIES[0], QUALIFIERS_ONE[0], CompareOp.EQUAL, Bytes.toBytes("foo")) ); s.setFilter(filter); InternalScanner scanner = this.region.getScanner(s); while (true) { ArrayList<KeyValue> values = new ArrayList<KeyValue>(); boolean isMoreResults = scanner.next(values); Assert.assertTrue("The WhileMatchFilter should now filter all remaining", filter.filterAllRemaining()); if (!isMoreResults) { break; } } } public void testInclusiveStopFilter() throws IOException { // Grab rows from group one // If we just use start/stop row, we get total/2 - 1 rows long expectedRows = (this.numRows / 2) - 1; long expectedKeys = this.colsPerRow; Scan s = new Scan(Bytes.toBytes("testRowOne-0"), Bytes.toBytes("testRowOne-3")); verifyScan(s, expectedRows, expectedKeys); // Now use start row with inclusive stop filter expectedRows = this.numRows / 2; s = new Scan(Bytes.toBytes("testRowOne-0")); s.setFilter(new InclusiveStopFilter(Bytes.toBytes("testRowOne-3"))); verifyScan(s, expectedRows, expectedKeys); // Grab rows from group two // If we just use start/stop row, we get total/2 - 1 rows expectedRows = (this.numRows / 2) - 1; expectedKeys = this.colsPerRow; s = new Scan(Bytes.toBytes("testRowTwo-0"), Bytes.toBytes("testRowTwo-3")); verifyScan(s, expectedRows, expectedKeys); // Now use start row with inclusive stop filter expectedRows = this.numRows / 2; s = new Scan(Bytes.toBytes("testRowTwo-0")); s.setFilter(new InclusiveStopFilter(Bytes.toBytes("testRowTwo-3"))); verifyScan(s, expectedRows, expectedKeys); } public void testQualifierFilter() throws IOException { // Match two keys (one from each family) in half the rows long expectedRows = this.numRows / 2; long expectedKeys = 2; Filter f = new QualifierFilter(CompareOp.EQUAL, new BinaryComparator(Bytes.toBytes("testQualifierOne-2"))); Scan s = new Scan(); s.setFilter(f); verifyScanNoEarlyOut(s, expectedRows, expectedKeys); // Match keys less than same qualifier // Expect only two keys (one from each family) in half the rows expectedRows = this.numRows / 2; expectedKeys = 2; f = new QualifierFilter(CompareOp.LESS, new BinaryComparator(Bytes.toBytes("testQualifierOne-2"))); s = new Scan(); s.setFilter(f); verifyScanNoEarlyOut(s, expectedRows, expectedKeys); // Match keys less than or equal // Expect four keys (two from each family) in half the rows expectedRows = this.numRows / 2; expectedKeys = 4; f = new QualifierFilter(CompareOp.LESS_OR_EQUAL, new BinaryComparator(Bytes.toBytes("testQualifierOne-2"))); s = new Scan(); s.setFilter(f); verifyScanNoEarlyOut(s, expectedRows, expectedKeys); // Match keys not equal // Expect four keys (two from each family) // Only look in first group of rows expectedRows = this.numRows / 2; expectedKeys = 4; f = new QualifierFilter(CompareOp.NOT_EQUAL, new BinaryComparator(Bytes.toBytes("testQualifierOne-2"))); s = new Scan(HConstants.EMPTY_START_ROW, Bytes.toBytes("testRowTwo")); s.setFilter(f); verifyScanNoEarlyOut(s, expectedRows, expectedKeys); // Match keys greater or equal // Expect four keys (two from each family) // Only look in first group of rows expectedRows = this.numRows / 2; expectedKeys = 4; f = new QualifierFilter(CompareOp.GREATER_OR_EQUAL, new BinaryComparator(Bytes.toBytes("testQualifierOne-2"))); s = new Scan(HConstants.EMPTY_START_ROW, Bytes.toBytes("testRowTwo")); s.setFilter(f); verifyScanNoEarlyOut(s, expectedRows, expectedKeys); // Match keys greater // Expect two keys (one from each family) // Only look in first group of rows expectedRows = this.numRows / 2; expectedKeys = 2; f = new QualifierFilter(CompareOp.GREATER, new BinaryComparator(Bytes.toBytes("testQualifierOne-2"))); s = new Scan(HConstants.EMPTY_START_ROW, Bytes.toBytes("testRowTwo")); s.setFilter(f); verifyScanNoEarlyOut(s, expectedRows, expectedKeys); // Match keys not equal to // Look across rows and fully validate the keys and ordering // Expect varied numbers of keys, 4 per row in group one, 6 per row in group two f = new QualifierFilter(CompareOp.NOT_EQUAL, new BinaryComparator(QUALIFIERS_ONE[2])); s = new Scan(); s.setFilter(f); KeyValue [] kvs = { // testRowOne-0 new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[1], QUALIFIERS_ONE[3], VALUES[0]), // testRowOne-2 new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[1], QUALIFIERS_ONE[3], VALUES[0]), // testRowOne-3 new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[1], QUALIFIERS_ONE[3], VALUES[0]), // testRowTwo-0 new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]), // testRowTwo-2 new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]), // testRowTwo-3 new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]), }; verifyScanFull(s, kvs); // Test across rows and groups with a regex // Filter out "test*-2" // Expect 4 keys per row across both groups f = new QualifierFilter(CompareOp.NOT_EQUAL, new RegexStringComparator("test.+-2")); s = new Scan(); s.setFilter(f); kvs = new KeyValue [] { // testRowOne-0 new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[1], QUALIFIERS_ONE[3], VALUES[0]), // testRowOne-2 new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[1], QUALIFIERS_ONE[3], VALUES[0]), // testRowOne-3 new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[1], QUALIFIERS_ONE[3], VALUES[0]), // testRowTwo-0 new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]), // testRowTwo-2 new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]), // testRowTwo-3 new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]), }; verifyScanFull(s, kvs); } public void testFamilyFilter() throws IOException { // Match family, only half of columns returned. long expectedRows = this.numRows; long expectedKeys = this.colsPerRow / 2; Filter f = new FamilyFilter(CompareOp.EQUAL, new BinaryComparator(Bytes.toBytes("testFamilyOne"))); Scan s = new Scan(); s.setFilter(f); verifyScanNoEarlyOut(s, expectedRows, expectedKeys); // Match keys less than given family, should return nothing expectedRows = 0; expectedKeys = 0; f = new FamilyFilter(CompareOp.LESS, new BinaryComparator(Bytes.toBytes("testFamily"))); s = new Scan(); s.setFilter(f); verifyScanNoEarlyOut(s, expectedRows, expectedKeys); // Match keys less than or equal, should return half of columns expectedRows = this.numRows; expectedKeys = this.colsPerRow / 2; f = new FamilyFilter(CompareOp.LESS_OR_EQUAL, new BinaryComparator(Bytes.toBytes("testFamilyOne"))); s = new Scan(); s.setFilter(f); verifyScanNoEarlyOut(s, expectedRows, expectedKeys); // Match keys from second family // look only in second group of rows expectedRows = this.numRows / 2; expectedKeys = this.colsPerRow / 2; f = new FamilyFilter(CompareOp.NOT_EQUAL, new BinaryComparator(Bytes.toBytes("testFamilyOne"))); s = new Scan(HConstants.EMPTY_START_ROW, Bytes.toBytes("testRowTwo")); s.setFilter(f); verifyScanNoEarlyOut(s, expectedRows, expectedKeys); // Match all columns // look only in second group of rows expectedRows = this.numRows / 2; expectedKeys = this.colsPerRow; f = new FamilyFilter(CompareOp.GREATER_OR_EQUAL, new BinaryComparator(Bytes.toBytes("testFamilyOne"))); s = new Scan(HConstants.EMPTY_START_ROW, Bytes.toBytes("testRowTwo")); s.setFilter(f); verifyScanNoEarlyOut(s, expectedRows, expectedKeys); // Match all columns in second family // look only in second group of rows expectedRows = this.numRows / 2; expectedKeys = this.colsPerRow / 2; f = new FamilyFilter(CompareOp.GREATER, new BinaryComparator(Bytes.toBytes("testFamilyOne"))); s = new Scan(HConstants.EMPTY_START_ROW, Bytes.toBytes("testRowTwo")); s.setFilter(f); verifyScanNoEarlyOut(s, expectedRows, expectedKeys); // Match keys not equal to given family // Look across rows and fully validate the keys and ordering f = new FamilyFilter(CompareOp.NOT_EQUAL, new BinaryComparator(FAMILIES[1])); s = new Scan(); s.setFilter(f); KeyValue [] kvs = { // testRowOne-0 new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), // testRowOne-2 new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), // testRowOne-3 new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), // testRowTwo-0 new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), // testRowTwo-2 new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), // testRowTwo-3 new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), }; verifyScanFull(s, kvs); // Test across rows and groups with a regex // Filter out "test*-2" // Expect 4 keys per row across both groups f = new FamilyFilter(CompareOp.NOT_EQUAL, new RegexStringComparator("test.*One")); s = new Scan(); s.setFilter(f); kvs = new KeyValue [] { // testRowOne-0 new KeyValue(ROWS_ONE[0], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[1], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[1], QUALIFIERS_ONE[3], VALUES[0]), // testRowOne-2 new KeyValue(ROWS_ONE[2], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[1], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[1], QUALIFIERS_ONE[3], VALUES[0]), // testRowOne-3 new KeyValue(ROWS_ONE[3], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[1], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[1], QUALIFIERS_ONE[3], VALUES[0]), // testRowTwo-0 new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]), // testRowTwo-2 new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]), // testRowTwo-3 new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]), }; verifyScanFull(s, kvs); } public void testRowFilter() throws IOException { // Match a single row, all keys long expectedRows = 1; long expectedKeys = this.colsPerRow; Filter f = new RowFilter(CompareOp.EQUAL, new BinaryComparator(Bytes.toBytes("testRowOne-2"))); Scan s = new Scan(); s.setFilter(f); verifyScanNoEarlyOut(s, expectedRows, expectedKeys); // Match a two rows, one from each group, using regex expectedRows = 2; expectedKeys = this.colsPerRow; f = new RowFilter(CompareOp.EQUAL, new RegexStringComparator("testRow.+-2")); s = new Scan(); s.setFilter(f); verifyScanNoEarlyOut(s, expectedRows, expectedKeys); // Match rows less than // Expect all keys in one row expectedRows = 1; expectedKeys = this.colsPerRow; f = new RowFilter(CompareOp.LESS, new BinaryComparator(Bytes.toBytes("testRowOne-2"))); s = new Scan(); s.setFilter(f); verifyScanNoEarlyOut(s, expectedRows, expectedKeys); // Match rows less than or equal // Expect all keys in two rows expectedRows = 2; expectedKeys = this.colsPerRow; f = new RowFilter(CompareOp.LESS_OR_EQUAL, new BinaryComparator(Bytes.toBytes("testRowOne-2"))); s = new Scan(); s.setFilter(f); verifyScanNoEarlyOut(s, expectedRows, expectedKeys); // Match rows not equal // Expect all keys in all but one row expectedRows = this.numRows - 1; expectedKeys = this.colsPerRow; f = new RowFilter(CompareOp.NOT_EQUAL, new BinaryComparator(Bytes.toBytes("testRowOne-2"))); s = new Scan(); s.setFilter(f); verifyScanNoEarlyOut(s, expectedRows, expectedKeys); // Match keys greater or equal // Expect all keys in all but one row expectedRows = this.numRows - 1; expectedKeys = this.colsPerRow; f = new RowFilter(CompareOp.GREATER_OR_EQUAL, new BinaryComparator(Bytes.toBytes("testRowOne-2"))); s = new Scan(); s.setFilter(f); verifyScanNoEarlyOut(s, expectedRows, expectedKeys); // Match keys greater // Expect all keys in all but two rows expectedRows = this.numRows - 2; expectedKeys = this.colsPerRow; f = new RowFilter(CompareOp.GREATER, new BinaryComparator(Bytes.toBytes("testRowOne-2"))); s = new Scan(); s.setFilter(f); verifyScanNoEarlyOut(s, expectedRows, expectedKeys); // Match rows not equal to testRowTwo-2 // Look across rows and fully validate the keys and ordering // Should see all keys in all rows but testRowTwo-2 f = new RowFilter(CompareOp.NOT_EQUAL, new BinaryComparator(Bytes.toBytes("testRowOne-2"))); s = new Scan(); s.setFilter(f); KeyValue [] kvs = { // testRowOne-0 new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[1], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[1], QUALIFIERS_ONE[3], VALUES[0]), // testRowOne-3 new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[1], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[1], QUALIFIERS_ONE[3], VALUES[0]), // testRowTwo-0 new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]), // testRowTwo-2 new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]), // testRowTwo-3 new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]), }; verifyScanFull(s, kvs); // Test across rows and groups with a regex // Filter out everything that doesn't match "*-2" // Expect all keys in two rows f = new RowFilter(CompareOp.EQUAL, new RegexStringComparator(".+-2")); s = new Scan(); s.setFilter(f); kvs = new KeyValue [] { // testRowOne-2 new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[1], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[1], QUALIFIERS_ONE[3], VALUES[0]), // testRowTwo-2 new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]) }; verifyScanFull(s, kvs); } public void testValueFilter() throws IOException { // Match group one rows long expectedRows = this.numRows / 2; long expectedKeys = this.colsPerRow; Filter f = new ValueFilter(CompareOp.EQUAL, new BinaryComparator(Bytes.toBytes("testValueOne"))); Scan s = new Scan(); s.setFilter(f); verifyScanNoEarlyOut(s, expectedRows, expectedKeys); // Match group two rows expectedRows = this.numRows / 2; expectedKeys = this.colsPerRow; f = new ValueFilter(CompareOp.EQUAL, new BinaryComparator(Bytes.toBytes("testValueTwo"))); s = new Scan(); s.setFilter(f); verifyScanNoEarlyOut(s, expectedRows, expectedKeys); // Match all values using regex expectedRows = this.numRows; expectedKeys = this.colsPerRow; f = new ValueFilter(CompareOp.EQUAL, new RegexStringComparator("testValue((One)|(Two))")); s = new Scan(); s.setFilter(f); verifyScanNoEarlyOut(s, expectedRows, expectedKeys); // Match values less than // Expect group one rows expectedRows = this.numRows / 2; expectedKeys = this.colsPerRow; f = new ValueFilter(CompareOp.LESS, new BinaryComparator(Bytes.toBytes("testValueTwo"))); s = new Scan(); s.setFilter(f); verifyScanNoEarlyOut(s, expectedRows, expectedKeys); // Match values less than or equal // Expect all rows expectedRows = this.numRows; expectedKeys = this.colsPerRow; f = new ValueFilter(CompareOp.LESS_OR_EQUAL, new BinaryComparator(Bytes.toBytes("testValueTwo"))); s = new Scan(); s.setFilter(f); verifyScanNoEarlyOut(s, expectedRows, expectedKeys); // Match values less than or equal // Expect group one rows expectedRows = this.numRows / 2; expectedKeys = this.colsPerRow; f = new ValueFilter(CompareOp.LESS_OR_EQUAL, new BinaryComparator(Bytes.toBytes("testValueOne"))); s = new Scan(); s.setFilter(f); verifyScanNoEarlyOut(s, expectedRows, expectedKeys); // Match values not equal // Expect half the rows expectedRows = this.numRows / 2; expectedKeys = this.colsPerRow; f = new ValueFilter(CompareOp.NOT_EQUAL, new BinaryComparator(Bytes.toBytes("testValueOne"))); s = new Scan(); s.setFilter(f); verifyScanNoEarlyOut(s, expectedRows, expectedKeys); // Match values greater or equal // Expect all rows expectedRows = this.numRows; expectedKeys = this.colsPerRow; f = new ValueFilter(CompareOp.GREATER_OR_EQUAL, new BinaryComparator(Bytes.toBytes("testValueOne"))); s = new Scan(); s.setFilter(f); verifyScanNoEarlyOut(s, expectedRows, expectedKeys); // Match values greater // Expect half rows expectedRows = this.numRows / 2; expectedKeys = this.colsPerRow; f = new ValueFilter(CompareOp.GREATER, new BinaryComparator(Bytes.toBytes("testValueOne"))); s = new Scan(); s.setFilter(f); verifyScanNoEarlyOut(s, expectedRows, expectedKeys); // Match values not equal to testValueOne // Look across rows and fully validate the keys and ordering // Should see all keys in all group two rows f = new ValueFilter(CompareOp.NOT_EQUAL, new BinaryComparator(Bytes.toBytes("testValueOne"))); s = new Scan(); s.setFilter(f); KeyValue [] kvs = { // testRowTwo-0 new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]), // testRowTwo-2 new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]), // testRowTwo-3 new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]), }; verifyScanFull(s, kvs); } public void testSkipFilter() throws IOException { // Test for qualifier regex: "testQualifierOne-2" // Should only get rows from second group, and all keys Filter f = new SkipFilter(new QualifierFilter(CompareOp.NOT_EQUAL, new BinaryComparator(Bytes.toBytes("testQualifierOne-2")))); Scan s = new Scan(); s.setFilter(f); KeyValue [] kvs = { // testRowTwo-0 new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]), // testRowTwo-2 new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]), // testRowTwo-3 new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]), }; verifyScanFull(s, kvs); } // TODO: This is important... need many more tests for ordering, etc // There are limited tests elsewhere but we need HRegion level ones here public void testFilterList() throws IOException { // Test getting a single row, single key using Row, Qualifier, and Value // regular expression and substring filters // Use must pass all List<Filter> filters = new ArrayList<Filter>(); filters.add(new RowFilter(CompareOp.EQUAL, new RegexStringComparator(".+-2"))); filters.add(new QualifierFilter(CompareOp.EQUAL, new RegexStringComparator(".+-2"))); filters.add(new ValueFilter(CompareOp.EQUAL, new SubstringComparator("One"))); Filter f = new FilterList(Operator.MUST_PASS_ALL, filters); Scan s = new Scan(); s.addFamily(FAMILIES[0]); s.setFilter(f); KeyValue [] kvs = { new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[2], VALUES[0]) }; verifyScanFull(s, kvs); // Test getting everything with a MUST_PASS_ONE filter including row, qf, val // regular expression and substring filters filters.clear(); filters.add(new RowFilter(CompareOp.EQUAL, new RegexStringComparator(".+Two.+"))); filters.add(new QualifierFilter(CompareOp.EQUAL, new RegexStringComparator(".+-2"))); filters.add(new ValueFilter(CompareOp.EQUAL, new SubstringComparator("One"))); f = new FilterList(Operator.MUST_PASS_ONE, filters); s = new Scan(); s.setFilter(f); verifyScanNoEarlyOut(s, this.numRows, this.colsPerRow); } public void testFirstKeyOnlyFilter() throws IOException { Scan s = new Scan(); s.setFilter(new FirstKeyOnlyFilter()); // Expected KVs, the first KV from each of the remaining 6 rows KeyValue [] kvs = { new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]) }; verifyScanFull(s, kvs); } public void testFilterListWithSingleColumnValueFilter() throws IOException { // Test for HBASE-3191 // Scan using SingleColumnValueFilter SingleColumnValueFilter f1 = new SingleColumnValueFilter(FAMILIES[0], QUALIFIERS_ONE[0], CompareOp.EQUAL, VALUES[0]); f1.setFilterIfMissing( true ); Scan s1 = new Scan(); s1.addFamily(FAMILIES[0]); s1.setFilter(f1); KeyValue [] kvs1 = { new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), }; verifyScanNoEarlyOut(s1, 3, 3); verifyScanFull(s1, kvs1); // Scan using another SingleColumnValueFilter, expect disjoint result SingleColumnValueFilter f2 = new SingleColumnValueFilter(FAMILIES[0], QUALIFIERS_TWO[0], CompareOp.EQUAL, VALUES[1]); f2.setFilterIfMissing( true ); Scan s2 = new Scan(); s2.addFamily(FAMILIES[0]); s2.setFilter(f2); KeyValue [] kvs2 = { new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), }; verifyScanNoEarlyOut(s2, 3, 3); verifyScanFull(s2, kvs2); // Scan, ORing the two previous filters, expect unified result FilterList f = new FilterList(Operator.MUST_PASS_ONE); f.addFilter(f1); f.addFilter(f2); Scan s = new Scan(); s.addFamily(FAMILIES[0]); s.setFilter(f); KeyValue [] kvs = { new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), }; verifyScanNoEarlyOut(s, 6, 3); verifyScanFull(s, kvs); } public void testSingleColumnValueFilter() throws IOException { // From HBASE-1821 // Desired action is to combine two SCVF in a FilterList // Want to return only rows that match both conditions // Need to change one of the group one columns to use group two value Put p = new Put(ROWS_ONE[2]); p.add(FAMILIES[0], QUALIFIERS_ONE[2], VALUES[1]); this.region.put(p); // Now let's grab rows that have Q_ONE[0](VALUES[0]) and Q_ONE[2](VALUES[1]) // Since group two rows don't have these qualifiers, they will pass // so limiting scan to group one List<Filter> filters = new ArrayList<Filter>(); filters.add(new SingleColumnValueFilter(FAMILIES[0], QUALIFIERS_ONE[0], CompareOp.EQUAL, VALUES[0])); filters.add(new SingleColumnValueFilter(FAMILIES[0], QUALIFIERS_ONE[2], CompareOp.EQUAL, VALUES[1])); Filter f = new FilterList(Operator.MUST_PASS_ALL, filters); Scan s = new Scan(ROWS_ONE[0], ROWS_TWO[0]); s.addFamily(FAMILIES[0]); s.setFilter(f); // Expect only one row, all qualifiers KeyValue [] kvs = { new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[2], VALUES[1]), new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]) }; verifyScanNoEarlyOut(s, 1, 3); verifyScanFull(s, kvs); // In order to get expected behavior without limiting to group one // need to wrap SCVFs in SkipFilters filters = new ArrayList<Filter>(); filters.add(new SkipFilter(new SingleColumnValueFilter(FAMILIES[0], QUALIFIERS_ONE[0], CompareOp.EQUAL, VALUES[0]))); filters.add(new SkipFilter(new SingleColumnValueFilter(FAMILIES[0], QUALIFIERS_ONE[2], CompareOp.EQUAL, VALUES[1]))); f = new FilterList(Operator.MUST_PASS_ALL, filters); s = new Scan(ROWS_ONE[0], ROWS_TWO[0]); s.addFamily(FAMILIES[0]); s.setFilter(f); // Expect same KVs verifyScanNoEarlyOut(s, 1, 3); verifyScanFull(s, kvs); // More tests from HBASE-1821 for Clint and filterIfMissing flag byte [][] ROWS_THREE = { Bytes.toBytes("rowThree-0"), Bytes.toBytes("rowThree-1"), Bytes.toBytes("rowThree-2"), Bytes.toBytes("rowThree-3") }; // Give row 0 and 2 QUALIFIERS_ONE[0] (VALUE[0] VALUE[1]) // Give row 1 and 3 QUALIFIERS_ONE[1] (VALUE[0] VALUE[1]) KeyValue [] srcKVs = new KeyValue [] { new KeyValue(ROWS_THREE[0], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_THREE[1], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[1]), new KeyValue(ROWS_THREE[2], FAMILIES[0], QUALIFIERS_ONE[1], VALUES[0]), new KeyValue(ROWS_THREE[3], FAMILIES[0], QUALIFIERS_ONE[1], VALUES[1]) }; for(KeyValue kv : srcKVs) { this.region.put(new Put(kv.getRow()).add(kv)); } // Match VALUES[0] against QUALIFIERS_ONE[0] with filterIfMissing = false // Expect 3 rows (0, 2, 3) SingleColumnValueFilter scvf = new SingleColumnValueFilter(FAMILIES[0], QUALIFIERS_ONE[0], CompareOp.EQUAL, VALUES[0]); s = new Scan(ROWS_THREE[0], Bytes.toBytes("rowThree-4")); s.addFamily(FAMILIES[0]); s.setFilter(scvf); kvs = new KeyValue [] { srcKVs[0], srcKVs[2], srcKVs[3] }; verifyScanFull(s, kvs); // Match VALUES[0] against QUALIFIERS_ONE[0] with filterIfMissing = true // Expect 1 row (0) scvf = new SingleColumnValueFilter(FAMILIES[0], QUALIFIERS_ONE[0], CompareOp.EQUAL, VALUES[0]); scvf.setFilterIfMissing(true); s = new Scan(ROWS_THREE[0], Bytes.toBytes("rowThree-4")); s.addFamily(FAMILIES[0]); s.setFilter(scvf); kvs = new KeyValue [] { srcKVs[0] }; verifyScanFull(s, kvs); // Match VALUES[1] against QUALIFIERS_ONE[1] with filterIfMissing = true // Expect 1 row (3) scvf = new SingleColumnValueFilter(FAMILIES[0], QUALIFIERS_ONE[1], CompareOp.EQUAL, VALUES[1]); scvf.setFilterIfMissing(true); s = new Scan(ROWS_THREE[0], Bytes.toBytes("rowThree-4")); s.addFamily(FAMILIES[0]); s.setFilter(scvf); kvs = new KeyValue [] { srcKVs[3] }; verifyScanFull(s, kvs); // Add QUALIFIERS_ONE[1] to ROWS_THREE[0] with VALUES[0] KeyValue kvA = new KeyValue(ROWS_THREE[0], FAMILIES[0], QUALIFIERS_ONE[1], VALUES[0]); this.region.put(new Put(kvA.getRow()).add(kvA)); // Match VALUES[1] against QUALIFIERS_ONE[1] with filterIfMissing = true // Expect 1 row (3) scvf = new SingleColumnValueFilter(FAMILIES[0], QUALIFIERS_ONE[1], CompareOp.EQUAL, VALUES[1]); scvf.setFilterIfMissing(true); s = new Scan(ROWS_THREE[0], Bytes.toBytes("rowThree-4")); s.addFamily(FAMILIES[0]); s.setFilter(scvf); kvs = new KeyValue [] { srcKVs[3] }; verifyScanFull(s, kvs); } private void verifyScan(Scan s, long expectedRows, long expectedKeys) throws IOException { InternalScanner scanner = this.region.getScanner(s); List<KeyValue> results = new ArrayList<KeyValue>(); int i = 0; for (boolean done = true; done; i++) { done = scanner.next(results); Arrays.sort(results.toArray(new KeyValue[results.size()]), KeyValue.COMPARATOR); LOG.info("counter=" + i + ", " + results); if (results.isEmpty()) break; assertTrue("Scanned too many rows! Only expected " + expectedRows + " total but already scanned " + (i+1), expectedRows > i); assertEquals("Expected " + expectedKeys + " keys per row but " + "returned " + results.size(), expectedKeys, results.size()); results.clear(); } assertEquals("Expected " + expectedRows + " rows but scanned " + i + " rows", expectedRows, i); } private void verifyScanNoEarlyOut(Scan s, long expectedRows, long expectedKeys) throws IOException { InternalScanner scanner = this.region.getScanner(s); List<KeyValue> results = new ArrayList<KeyValue>(); int i = 0; for (boolean done = true; done; i++) { done = scanner.next(results); Arrays.sort(results.toArray(new KeyValue[results.size()]), KeyValue.COMPARATOR); LOG.info("counter=" + i + ", " + results); if(results.isEmpty()) break; assertTrue("Scanned too many rows! Only expected " + expectedRows + " total but already scanned " + (i+1), expectedRows > i); assertEquals("Expected " + expectedKeys + " keys per row but " + "returned " + results.size(), expectedKeys, results.size()); results.clear(); } assertEquals("Expected " + expectedRows + " rows but scanned " + i + " rows", expectedRows, i); } private void verifyScanFull(Scan s, KeyValue [] kvs) throws IOException { InternalScanner scanner = this.region.getScanner(s); List<KeyValue> results = new ArrayList<KeyValue>(); int row = 0; int idx = 0; for (boolean done = true; done; row++) { done = scanner.next(results); Arrays.sort(results.toArray(new KeyValue[results.size()]), KeyValue.COMPARATOR); if(results.isEmpty()) break; assertTrue("Scanned too many keys! Only expected " + kvs.length + " total but already scanned " + (results.size() + idx) + (results.isEmpty() ? "" : "(" + results.get(0).toString() + ")"), kvs.length >= idx + results.size()); for(KeyValue kv : results) { LOG.info("row=" + row + ", result=" + kv.toString() + ", match=" + kvs[idx].toString()); assertTrue("Row mismatch", Bytes.equals(kv.getRow(), kvs[idx].getRow())); assertTrue("Family mismatch", Bytes.equals(kv.getFamily(), kvs[idx].getFamily())); assertTrue("Qualifier mismatch", Bytes.equals(kv.getQualifier(), kvs[idx].getQualifier())); assertTrue("Value mismatch", Bytes.equals(kv.getValue(), kvs[idx].getValue())); idx++; } results.clear(); } LOG.info("Looked at " + row + " rows with " + idx + " keys"); assertEquals("Expected " + kvs.length + " total keys but scanned " + idx, kvs.length, idx); } private void verifyScanFullNoValues(Scan s, KeyValue [] kvs, boolean useLen) throws IOException { InternalScanner scanner = this.region.getScanner(s); List<KeyValue> results = new ArrayList<KeyValue>(); int row = 0; int idx = 0; for (boolean more = true; more; row++) { more = scanner.next(results); Arrays.sort(results.toArray(new KeyValue[results.size()]), KeyValue.COMPARATOR); if(results.isEmpty()) break; assertTrue("Scanned too many keys! Only expected " + kvs.length + " total but already scanned " + (results.size() + idx) + (results.isEmpty() ? "" : "(" + results.get(0).toString() + ")"), kvs.length >= idx + results.size()); for(KeyValue kv : results) { LOG.info("row=" + row + ", result=" + kv.toString() + ", match=" + kvs[idx].toString()); assertTrue("Row mismatch", Bytes.equals(kv.getRow(), kvs[idx].getRow())); assertTrue("Family mismatch", Bytes.equals(kv.getFamily(), kvs[idx].getFamily())); assertTrue("Qualifier mismatch", Bytes.equals(kv.getQualifier(), kvs[idx].getQualifier())); assertFalse("Should not have returned whole value", Bytes.equals(kv.getValue(), kvs[idx].getValue())); if (useLen) { assertEquals("Value in result is not SIZEOF_INT", kv.getValue().length, Bytes.SIZEOF_INT); LOG.info("idx = " + idx + ", len=" + kvs[idx].getValueLength() + ", actual=" + Bytes.toInt(kv.getValue())); assertEquals("Scan value should be the length of the actual value. ", kvs[idx].getValueLength(), Bytes.toInt(kv.getValue()) ); LOG.info("good"); } else { assertEquals("Value in result is not empty", kv.getValue().length, 0); } idx++; } results.clear(); } LOG.info("Looked at " + row + " rows with " + idx + " keys"); assertEquals("Expected " + kvs.length + " total keys but scanned " + idx, kvs.length, idx); } public void testColumnPaginationFilter() throws Exception { // Set of KVs (page: 1; pageSize: 1) - the first set of 1 column per row KeyValue [] expectedKVs = { // testRowOne-0 new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), // testRowOne-2 new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), // testRowOne-3 new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), // testRowTwo-0 new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), // testRowTwo-2 new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), // testRowTwo-3 new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]) }; // Set of KVs (page: 3; pageSize: 1) - the third set of 1 column per row KeyValue [] expectedKVs2 = { // testRowOne-0 new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), // testRowOne-2 new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), // testRowOne-3 new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), // testRowTwo-0 new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), // testRowTwo-2 new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), // testRowTwo-3 new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), }; // Set of KVs (page: 2; pageSize 2) - the 2nd set of 2 columns per row KeyValue [] expectedKVs3 = { // testRowOne-0 new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), // testRowOne-2 new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), // testRowOne-3 new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), // testRowTwo-0 new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), // testRowTwo-2 new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), // testRowTwo-3 new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), }; // Set of KVs (page: 2; pageSize 2) - the 2nd set of 2 columns per row KeyValue [] expectedKVs4 = { }; long expectedRows = this.numRows; long expectedKeys = 1; Scan s = new Scan(); // Page 1; 1 Column per page (Limit 1, Offset 0) s.setFilter(new ColumnPaginationFilter(1,0)); verifyScan(s, expectedRows, expectedKeys); this.verifyScanFull(s, expectedKVs); // Page 3; 1 Result per page (Limit 1, Offset 2) s.setFilter(new ColumnPaginationFilter(1,2)); verifyScan(s, expectedRows, expectedKeys); this.verifyScanFull(s, expectedKVs2); // Page 2; 2 Results per page (Limit 2, Offset 2) s.setFilter(new ColumnPaginationFilter(2,2)); expectedKeys = 2; verifyScan(s, expectedRows, expectedKeys); this.verifyScanFull(s, expectedKVs3); // Page 8; 20 Results per page (no results) (Limit 20, Offset 140) s.setFilter(new ColumnPaginationFilter(20,140)); expectedKeys = 0; expectedRows = 0; verifyScan(s, expectedRows, 0); this.verifyScanFull(s, expectedKVs4); } public void testKeyOnlyFilter() throws Exception { // KVs in first 6 rows KeyValue [] expectedKVs = { // testRowOne-0 new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[1], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[1], QUALIFIERS_ONE[3], VALUES[0]), // testRowOne-2 new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[1], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[1], QUALIFIERS_ONE[3], VALUES[0]), // testRowOne-3 new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[1], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[1], QUALIFIERS_ONE[3], VALUES[0]), // testRowTwo-0 new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]), // testRowTwo-2 new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]), // testRowTwo-3 new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]) }; // Grab all 6 rows long expectedRows = 6; long expectedKeys = this.colsPerRow; for (boolean useLen : new boolean[]{false,true}) { Scan s = new Scan(); s.setFilter(new KeyOnlyFilter(useLen)); verifyScan(s, expectedRows, expectedKeys); verifyScanFullNoValues(s, expectedKVs, useLen); } } }