/*
*
* 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 static org.apache.hadoop.hbase.regionserver.KeyValueScanFixture.scanFixture;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.NavigableSet;
import java.util.TreeSet;
import junit.framework.TestCase;
import org.apache.hadoop.hbase.Cell;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.KeyValue;
import org.apache.hadoop.hbase.KeyValueTestUtil;
import org.apache.hadoop.hbase.MediumTests;
import org.apache.hadoop.hbase.client.Scan;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.EnvironmentEdge;
import org.apache.hadoop.hbase.util.EnvironmentEdgeManagerTestHelper;
import org.junit.experimental.categories.Category;
// Can't be small as it plays with EnvironmentEdgeManager
@Category(MediumTests.class)
public class TestStoreScanner extends TestCase {
private static final String CF_STR = "cf";
final byte [] CF = Bytes.toBytes(CF_STR);
private ScanInfo scanInfo = new ScanInfo(CF, 0, Integer.MAX_VALUE,
Long.MAX_VALUE, false, 0, KeyValue.COMPARATOR);
private ScanType scanType = ScanType.USER_SCAN;
public void setUp() throws Exception {
super.setUp();
}
/*
* Test utility for building a NavigableSet for scanners.
* @param strCols
* @return
*/
NavigableSet<byte[]> getCols(String ...strCols) {
NavigableSet<byte[]> cols = new TreeSet<byte[]>(Bytes.BYTES_COMPARATOR);
for (String col : strCols) {
byte[] bytes = Bytes.toBytes(col);
cols.add(bytes);
}
return cols;
}
public void testScanTimeRange() throws IOException {
String r1 = "R1";
// returns only 1 of these 2 even though same timestamp
KeyValue [] kvs = new KeyValue[] {
KeyValueTestUtil.create(r1, CF_STR, "a", 1, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create(r1, CF_STR, "a", 2, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create(r1, CF_STR, "a", 3, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create(r1, CF_STR, "a", 4, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create(r1, CF_STR, "a", 5, KeyValue.Type.Put, "dont-care"),
};
List<KeyValueScanner> scanners = Arrays.<KeyValueScanner>asList(
new KeyValueScanner[] {
new KeyValueScanFixture(KeyValue.COMPARATOR, kvs)
});
Scan scanSpec = new Scan(Bytes.toBytes(r1));
scanSpec.setTimeRange(0, 6);
scanSpec.setMaxVersions();
StoreScanner scan = new StoreScanner(scanSpec, scanInfo, scanType,
getCols("a"), scanners);
List<Cell> results = new ArrayList<Cell>();
assertEquals(true, scan.next(results));
assertEquals(5, results.size());
assertEquals(kvs[kvs.length - 1], results.get(0));
// Scan limited TimeRange
scanSpec = new Scan(Bytes.toBytes(r1));
scanSpec.setTimeRange(1, 3);
scanSpec.setMaxVersions();
scan = new StoreScanner(scanSpec, scanInfo, scanType, getCols("a"),
scanners);
results = new ArrayList<Cell>();
assertEquals(true, scan.next(results));
assertEquals(2, results.size());
// Another range.
scanSpec = new Scan(Bytes.toBytes(r1));
scanSpec.setTimeRange(5, 10);
scanSpec.setMaxVersions();
scan = new StoreScanner(scanSpec, scanInfo, scanType, getCols("a"),
scanners);
results = new ArrayList<Cell>();
assertEquals(true, scan.next(results));
assertEquals(1, results.size());
// See how TimeRange and Versions interact.
// Another range.
scanSpec = new Scan(Bytes.toBytes(r1));
scanSpec.setTimeRange(0, 10);
scanSpec.setMaxVersions(3);
scan = new StoreScanner(scanSpec, scanInfo, scanType, getCols("a"),
scanners);
results = new ArrayList<Cell>();
assertEquals(true, scan.next(results));
assertEquals(3, results.size());
}
public void testScanSameTimestamp() throws IOException {
// returns only 1 of these 2 even though same timestamp
KeyValue [] kvs = new KeyValue[] {
KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.Put, "dont-care"),
};
List<KeyValueScanner> scanners = Arrays.asList(
new KeyValueScanner[] {
new KeyValueScanFixture(KeyValue.COMPARATOR, kvs)
});
Scan scanSpec = new Scan(Bytes.toBytes("R1"));
// this only uses maxVersions (default=1) and TimeRange (default=all)
StoreScanner scan = new StoreScanner(scanSpec, scanInfo, scanType,
getCols("a"), scanners);
List<Cell> results = new ArrayList<Cell>();
assertEquals(true, scan.next(results));
assertEquals(1, results.size());
assertEquals(kvs[0], results.get(0));
}
/*
* Test test shows exactly how the matcher's return codes confuses the StoreScanner
* and prevent it from doing the right thing. Seeking once, then nexting twice
* should return R1, then R2, but in this case it doesnt.
* TODO this comment makes no sense above. Appears to do the right thing.
* @throws IOException
*/
public void testWontNextToNext() throws IOException {
// build the scan file:
KeyValue [] kvs = new KeyValue[] {
KeyValueTestUtil.create("R1", "cf", "a", 2, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R2", "cf", "a", 1, KeyValue.Type.Put, "dont-care")
};
List<KeyValueScanner> scanners = scanFixture(kvs);
Scan scanSpec = new Scan(Bytes.toBytes("R1"));
// this only uses maxVersions (default=1) and TimeRange (default=all)
StoreScanner scan = new StoreScanner(scanSpec, scanInfo, scanType,
getCols("a"), scanners);
List<Cell> results = new ArrayList<Cell>();
scan.next(results);
assertEquals(1, results.size());
assertEquals(kvs[0], results.get(0));
// should be ok...
// now scan _next_ again.
results.clear();
scan.next(results);
assertEquals(1, results.size());
assertEquals(kvs[2], results.get(0));
results.clear();
scan.next(results);
assertEquals(0, results.size());
}
public void testDeleteVersionSameTimestamp() throws IOException {
KeyValue [] kvs = new KeyValue [] {
KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.Delete, "dont-care"),
};
List<KeyValueScanner> scanners = scanFixture(kvs);
Scan scanSpec = new Scan(Bytes.toBytes("R1"));
StoreScanner scan = new StoreScanner(scanSpec, scanInfo, scanType,
getCols("a"), scanners);
List<Cell> results = new ArrayList<Cell>();
assertFalse(scan.next(results));
assertEquals(0, results.size());
}
/*
* Test the case where there is a delete row 'in front of' the next row, the scanner
* will move to the next row.
*/
public void testDeletedRowThenGoodRow() throws IOException {
KeyValue [] kvs = new KeyValue [] {
KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.Delete, "dont-care"),
KeyValueTestUtil.create("R2", "cf", "a", 20, KeyValue.Type.Put, "dont-care")
};
List<KeyValueScanner> scanners = scanFixture(kvs);
Scan scanSpec = new Scan(Bytes.toBytes("R1"));
StoreScanner scan = new StoreScanner(scanSpec, scanInfo, scanType,
getCols("a"), scanners);
List<Cell> results = new ArrayList<Cell>();
assertEquals(true, scan.next(results));
assertEquals(0, results.size());
assertEquals(true, scan.next(results));
assertEquals(1, results.size());
assertEquals(kvs[2], results.get(0));
assertEquals(false, scan.next(results));
}
public void testDeleteVersionMaskingMultiplePuts() throws IOException {
long now = System.currentTimeMillis();
KeyValue [] kvs1 = new KeyValue[] {
KeyValueTestUtil.create("R1", "cf", "a", now, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "a", now, KeyValue.Type.Delete, "dont-care")
};
KeyValue [] kvs2 = new KeyValue[] {
KeyValueTestUtil.create("R1", "cf", "a", now-500, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "a", now-100, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "a", now, KeyValue.Type.Put, "dont-care")
};
List<KeyValueScanner> scanners = scanFixture(kvs1, kvs2);
StoreScanner scan = new StoreScanner(new Scan(Bytes.toBytes("R1")),
scanInfo, scanType, getCols("a"), scanners);
List<Cell> results = new ArrayList<Cell>();
// the two put at ts=now will be masked by the 1 delete, and
// since the scan default returns 1 version we'll return the newest
// key, which is kvs[2], now-100.
assertEquals(true, scan.next(results));
assertEquals(1, results.size());
assertEquals(kvs2[1], results.get(0));
}
public void testDeleteVersionsMixedAndMultipleVersionReturn() throws IOException {
long now = System.currentTimeMillis();
KeyValue [] kvs1 = new KeyValue[] {
KeyValueTestUtil.create("R1", "cf", "a", now, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "a", now, KeyValue.Type.Delete, "dont-care")
};
KeyValue [] kvs2 = new KeyValue[] {
KeyValueTestUtil.create("R1", "cf", "a", now-500, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "a", now+500, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "a", now, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R2", "cf", "z", now, KeyValue.Type.Put, "dont-care")
};
List<KeyValueScanner> scanners = scanFixture(kvs1, kvs2);
Scan scanSpec = new Scan(Bytes.toBytes("R1")).setMaxVersions(2);
StoreScanner scan = new StoreScanner(scanSpec, scanInfo, scanType,
getCols("a"), scanners);
List<Cell> results = new ArrayList<Cell>();
assertEquals(true, scan.next(results));
assertEquals(2, results.size());
assertEquals(kvs2[1], results.get(0));
assertEquals(kvs2[0], results.get(1));
}
public void testWildCardOneVersionScan() throws IOException {
KeyValue [] kvs = new KeyValue [] {
KeyValueTestUtil.create("R1", "cf", "a", 2, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "b", 1, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.DeleteColumn, "dont-care"),
};
List<KeyValueScanner> scanners = scanFixture(kvs);
StoreScanner scan = new StoreScanner(new Scan(Bytes.toBytes("R1")),
scanInfo, scanType, null, scanners);
List<Cell> results = new ArrayList<Cell>();
assertEquals(true, scan.next(results));
assertEquals(2, results.size());
assertEquals(kvs[0], results.get(0));
assertEquals(kvs[1], results.get(1));
}
public void testWildCardScannerUnderDeletes() throws IOException {
KeyValue [] kvs = new KeyValue [] {
KeyValueTestUtil.create("R1", "cf", "a", 2, KeyValue.Type.Put, "dont-care"), // inc
// orphaned delete column.
KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.DeleteColumn, "dont-care"),
// column b
KeyValueTestUtil.create("R1", "cf", "b", 2, KeyValue.Type.Put, "dont-care"), // inc
KeyValueTestUtil.create("R1", "cf", "b", 1, KeyValue.Type.Put, "dont-care"), // inc
// column c
KeyValueTestUtil.create("R1", "cf", "c", 10, KeyValue.Type.Delete, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "c", 10, KeyValue.Type.Put, "dont-care"), // no
KeyValueTestUtil.create("R1", "cf", "c", 9, KeyValue.Type.Put, "dont-care"), // inc
// column d
KeyValueTestUtil.create("R1", "cf", "d", 11, KeyValue.Type.Put, "dont-care"), // inc
KeyValueTestUtil.create("R1", "cf", "d", 10, KeyValue.Type.DeleteColumn, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "d", 9, KeyValue.Type.Put, "dont-care"), // no
KeyValueTestUtil.create("R1", "cf", "d", 8, KeyValue.Type.Put, "dont-care"), // no
};
List<KeyValueScanner> scanners = scanFixture(kvs);
StoreScanner scan = new StoreScanner(new Scan().setMaxVersions(2),
scanInfo, scanType, null, scanners);
List<Cell> results = new ArrayList<Cell>();
assertEquals(true, scan.next(results));
assertEquals(5, results.size());
assertEquals(kvs[0], results.get(0));
assertEquals(kvs[2], results.get(1));
assertEquals(kvs[3], results.get(2));
assertEquals(kvs[6], results.get(3));
assertEquals(kvs[7], results.get(4));
}
public void testDeleteFamily() throws IOException {
KeyValue [] kvs = new KeyValue[] {
KeyValueTestUtil.create("R1", "cf", "a", 100, KeyValue.Type.DeleteFamily, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "b", 11, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "c", 11, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "d", 11, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "e", 11, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "e", 11, KeyValue.Type.DeleteColumn, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "f", 11, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "g", 11, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "g", 11, KeyValue.Type.Delete, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "h", 11, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "i", 11, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R2", "cf", "a", 11, KeyValue.Type.Put, "dont-care"),
};
List<KeyValueScanner> scanners = scanFixture(kvs);
StoreScanner scan = new StoreScanner(
new Scan().setMaxVersions(Integer.MAX_VALUE), scanInfo, scanType, null,
scanners);
List<Cell> results = new ArrayList<Cell>();
assertEquals(true, scan.next(results));
assertEquals(0, results.size());
assertEquals(true, scan.next(results));
assertEquals(1, results.size());
assertEquals(kvs[kvs.length-1], results.get(0));
assertEquals(false, scan.next(results));
}
public void testDeleteColumn() throws IOException {
KeyValue [] kvs = new KeyValue[] {
KeyValueTestUtil.create("R1", "cf", "a", 10, KeyValue.Type.DeleteColumn, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "a", 9, KeyValue.Type.Delete, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "a", 8, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "b", 5, KeyValue.Type.Put, "dont-care")
};
List<KeyValueScanner> scanners = scanFixture(kvs);
StoreScanner scan = new StoreScanner(new Scan(), scanInfo, scanType, null,
scanners);
List<Cell> results = new ArrayList<Cell>();
assertEquals(true, scan.next(results));
assertEquals(1, results.size());
assertEquals(kvs[3], results.get(0));
}
private static final KeyValue [] kvs = new KeyValue[] {
KeyValueTestUtil.create("R1", "cf", "a", 11, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "b", 11, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "c", 11, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "d", 11, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "e", 11, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "f", 11, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "g", 11, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "h", 11, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "i", 11, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R2", "cf", "a", 11, KeyValue.Type.Put, "dont-care"),
};
public void testSkipColumn() throws IOException {
List<KeyValueScanner> scanners = scanFixture(kvs);
StoreScanner scan = new StoreScanner(new Scan(), scanInfo, scanType,
getCols("a", "d"), scanners);
List<Cell> results = new ArrayList<Cell>();
assertEquals(true, scan.next(results));
assertEquals(2, results.size());
assertEquals(kvs[0], results.get(0));
assertEquals(kvs[3], results.get(1));
results.clear();
assertEquals(true, scan.next(results));
assertEquals(1, results.size());
assertEquals(kvs[kvs.length-1], results.get(0));
results.clear();
assertEquals(false, scan.next(results));
}
/*
* Test expiration of KeyValues in combination with a configured TTL for
* a column family (as should be triggered in a major compaction).
*/
public void testWildCardTtlScan() throws IOException {
long now = System.currentTimeMillis();
KeyValue [] kvs = new KeyValue[] {
KeyValueTestUtil.create("R1", "cf", "a", now-1000, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "b", now-10, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "c", now-200, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "d", now-10000, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R2", "cf", "a", now, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R2", "cf", "b", now-10, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R2", "cf", "c", now-200, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R2", "cf", "c", now-1000, KeyValue.Type.Put, "dont-care")
};
List<KeyValueScanner> scanners = scanFixture(kvs);
Scan scan = new Scan();
scan.setMaxVersions(1);
ScanInfo scanInfo = new ScanInfo(CF, 0, 1, 500, false, 0,
KeyValue.COMPARATOR);
ScanType scanType = ScanType.USER_SCAN;
StoreScanner scanner =
new StoreScanner(scan, scanInfo, scanType,
null, scanners);
List<Cell> results = new ArrayList<Cell>();
assertEquals(true, scanner.next(results));
assertEquals(2, results.size());
assertEquals(kvs[1], results.get(0));
assertEquals(kvs[2], results.get(1));
results.clear();
assertEquals(true, scanner.next(results));
assertEquals(3, results.size());
assertEquals(kvs[4], results.get(0));
assertEquals(kvs[5], results.get(1));
assertEquals(kvs[6], results.get(2));
results.clear();
assertEquals(false, scanner.next(results));
}
public void testScannerReseekDoesntNPE() throws Exception {
List<KeyValueScanner> scanners = scanFixture(kvs);
StoreScanner scan = new StoreScanner(new Scan(), scanInfo, scanType,
getCols("a", "d"), scanners);
// Previously a updateReaders twice in a row would cause an NPE. In test this would also
// normally cause an NPE because scan.store is null. So as long as we get through these
// two calls we are good and the bug was quashed.
scan.updateReaders();
scan.updateReaders();
scan.peek();
}
/**
* TODO this fails, since we don't handle deletions, etc, in peek
*/
public void SKIP_testPeek() throws Exception {
KeyValue [] kvs = new KeyValue [] {
KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.Put, "dont-care"),
KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.Delete, "dont-care"),
};
List<KeyValueScanner> scanners = scanFixture(kvs);
Scan scanSpec = new Scan(Bytes.toBytes("R1"));
StoreScanner scan = new StoreScanner(scanSpec, scanInfo, scanType,
getCols("a"), scanners);
assertNull(scan.peek());
}
/**
* Ensure that expired delete family markers don't override valid puts
*/
public void testExpiredDeleteFamily() throws Exception {
long now = System.currentTimeMillis();
KeyValue [] kvs = new KeyValue[] {
new KeyValue(Bytes.toBytes("R1"), Bytes.toBytes("cf"), null, now-1000,
KeyValue.Type.DeleteFamily),
KeyValueTestUtil.create("R1", "cf", "a", now-10, KeyValue.Type.Put,
"dont-care"),
};
List<KeyValueScanner> scanners = scanFixture(kvs);
Scan scan = new Scan();
scan.setMaxVersions(1);
// scanner with ttl equal to 500
ScanInfo scanInfo = new ScanInfo(CF, 0, 1, 500, false, 0,
KeyValue.COMPARATOR);
ScanType scanType = ScanType.USER_SCAN;
StoreScanner scanner =
new StoreScanner(scan, scanInfo, scanType, null, scanners);
List<Cell> results = new ArrayList<Cell>();
assertEquals(true, scanner.next(results));
assertEquals(1, results.size());
assertEquals(kvs[1], results.get(0));
results.clear();
assertEquals(false, scanner.next(results));
}
public void testDeleteMarkerLongevity() throws Exception {
try {
final long now = System.currentTimeMillis();
EnvironmentEdgeManagerTestHelper.injectEdge(new EnvironmentEdge() {
public long currentTime() {
return now;
}
});
KeyValue[] kvs = new KeyValue[]{
/*0*/ new KeyValue(Bytes.toBytes("R1"), Bytes.toBytes("cf"), null,
now - 100, KeyValue.Type.DeleteFamily), // live
/*1*/ new KeyValue(Bytes.toBytes("R1"), Bytes.toBytes("cf"), null,
now - 1000, KeyValue.Type.DeleteFamily), // expired
/*2*/ KeyValueTestUtil.create("R1", "cf", "a", now - 50,
KeyValue.Type.Put, "v3"), // live
/*3*/ KeyValueTestUtil.create("R1", "cf", "a", now - 55,
KeyValue.Type.Delete, "dontcare"), // live
/*4*/ KeyValueTestUtil.create("R1", "cf", "a", now - 55,
KeyValue.Type.Put, "deleted-version v2"), // deleted
/*5*/ KeyValueTestUtil.create("R1", "cf", "a", now - 60,
KeyValue.Type.Put, "v1"), // live
/*6*/ KeyValueTestUtil.create("R1", "cf", "a", now - 65,
KeyValue.Type.Put, "v0"), // max-version reached
/*7*/ KeyValueTestUtil.create("R1", "cf", "a",
now - 100, KeyValue.Type.DeleteColumn, "dont-care"), // max-version
/*8*/ KeyValueTestUtil.create("R1", "cf", "b", now - 600,
KeyValue.Type.DeleteColumn, "dont-care"), //expired
/*9*/ KeyValueTestUtil.create("R1", "cf", "b", now - 70,
KeyValue.Type.Put, "v2"), //live
/*10*/ KeyValueTestUtil.create("R1", "cf", "b", now - 750,
KeyValue.Type.Put, "v1"), //expired
/*11*/ KeyValueTestUtil.create("R1", "cf", "c", now - 500,
KeyValue.Type.Delete, "dontcare"), //expired
/*12*/ KeyValueTestUtil.create("R1", "cf", "c", now - 600,
KeyValue.Type.Put, "v1"), //expired
/*13*/ KeyValueTestUtil.create("R1", "cf", "c", now - 1000,
KeyValue.Type.Delete, "dontcare"), //expired
/*14*/ KeyValueTestUtil.create("R1", "cf", "d", now - 60,
KeyValue.Type.Put, "expired put"), //live
/*15*/ KeyValueTestUtil.create("R1", "cf", "d", now - 100,
KeyValue.Type.Delete, "not-expired delete"), //live
};
List<KeyValueScanner> scanners = scanFixture(kvs);
Scan scan = new Scan();
scan.setMaxVersions(2);
ScanInfo scanInfo = new ScanInfo(Bytes.toBytes("cf"),
0 /* minVersions */,
2 /* maxVersions */, 500 /* ttl */,
false /* keepDeletedCells */,
200, /* timeToPurgeDeletes */
KeyValue.COMPARATOR);
StoreScanner scanner =
new StoreScanner(scan, scanInfo,
ScanType.COMPACT_DROP_DELETES, null, scanners,
HConstants.OLDEST_TIMESTAMP);
List<Cell> results = new ArrayList<Cell>();
results = new ArrayList<Cell>();
assertEquals(true, scanner.next(results));
assertEquals(kvs[0], results.get(0));
assertEquals(kvs[2], results.get(1));
assertEquals(kvs[3], results.get(2));
assertEquals(kvs[5], results.get(3));
assertEquals(kvs[9], results.get(4));
assertEquals(kvs[14], results.get(5));
assertEquals(kvs[15], results.get(6));
assertEquals(7, results.size());
scanner.close();
}finally{
EnvironmentEdgeManagerTestHelper.reset();
}
}
}