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apache / hbase / 51a3d45f9d7f9228b0c5b99014b397ac5562a1cb / . / hbase-server / src / test / java / org / apache / hadoop / hbase / client / TestFromClientSide5.java
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/*
* 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.client;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.NavigableMap;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.atomic.AtomicReference;
import org.apache.commons.lang3.ArrayUtils;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hbase.Cell;
import org.apache.hadoop.hbase.CellScanner;
import org.apache.hadoop.hbase.CellUtil;
import org.apache.hadoop.hbase.CompareOperator;
import org.apache.hadoop.hbase.DoNotRetryIOException;
import org.apache.hadoop.hbase.HBaseClassTestRule;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.HRegionLocation;
import org.apache.hadoop.hbase.KeyValue;
import org.apache.hadoop.hbase.PrivateCellUtil;
import org.apache.hadoop.hbase.ServerName;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.TableNameTestRule;
import org.apache.hadoop.hbase.Waiter;
import org.apache.hadoop.hbase.client.metrics.ScanMetrics;
import org.apache.hadoop.hbase.coprocessor.MultiRowMutationEndpoint;
import org.apache.hadoop.hbase.filter.BinaryComparator;
import org.apache.hadoop.hbase.filter.Filter;
import org.apache.hadoop.hbase.filter.FilterList;
import org.apache.hadoop.hbase.filter.FirstKeyOnlyFilter;
import org.apache.hadoop.hbase.filter.InclusiveStopFilter;
import org.apache.hadoop.hbase.filter.KeyOnlyFilter;
import org.apache.hadoop.hbase.filter.QualifierFilter;
import org.apache.hadoop.hbase.filter.RegexStringComparator;
import org.apache.hadoop.hbase.filter.RowFilter;
import org.apache.hadoop.hbase.filter.SubstringComparator;
import org.apache.hadoop.hbase.filter.ValueFilter;
import org.apache.hadoop.hbase.io.TimeRange;
import org.apache.hadoop.hbase.io.hfile.BlockCache;
import org.apache.hadoop.hbase.io.hfile.CacheConfig;
import org.apache.hadoop.hbase.ipc.CoprocessorRpcChannel;
import org.apache.hadoop.hbase.regionserver.HRegion;
import org.apache.hadoop.hbase.regionserver.HRegionServer;
import org.apache.hadoop.hbase.regionserver.HStore;
import org.apache.hadoop.hbase.regionserver.NoSuchColumnFamilyException;
import org.apache.hadoop.hbase.testclassification.ClientTests;
import org.apache.hadoop.hbase.testclassification.LargeTests;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.CommonFSUtils;
import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
import org.apache.hadoop.hbase.util.FSUtils;
import org.junit.AfterClass;
import org.junit.ClassRule;
import org.junit.Ignore;
import org.junit.Rule;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;
import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.MutationProto;
import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.MutationProto.MutationType;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MultiRowMutationProtos.MultiRowMutationService;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MultiRowMutationProtos.MutateRowsRequest;
/**
* Run tests that use the HBase clients; {@link Table}.
* Sets up the HBase mini cluster once at start and runs through all client tests.
* Each creates a table named for the method and does its stuff against that.
*
* Parameterized to run with different registry implementations.
*/
@Category({LargeTests.class, ClientTests.class})
@SuppressWarnings ("deprecation")
@RunWith(Parameterized.class)
public class TestFromClientSide5 extends FromClientSideBase {
private static final Logger LOG = LoggerFactory.getLogger(TestFromClientSide5.class);
@ClassRule
public static final HBaseClassTestRule CLASS_RULE =
HBaseClassTestRule.forClass(TestFromClientSide5.class);
@Rule
public TableNameTestRule name = new TableNameTestRule();
// To keep the child classes happy.
TestFromClientSide5() {}
public TestFromClientSide5(Class registry, int numHedgedReqs) throws Exception {
initialize(registry, numHedgedReqs, MultiRowMutationEndpoint.class);
}
@Parameterized.Parameters
public static Collection parameters() {
return Arrays.asList(new Object[][] {
{ MasterRegistry.class, 1},
{ MasterRegistry.class, 2},
{ ZKConnectionRegistry.class, 1}
});
}
@AfterClass public static void tearDownAfterClass() throws Exception {
afterClass();
}
@Test
public void testGetClosestRowBefore() throws IOException, InterruptedException {
final TableName tableName = name.getTableName();
final byte[] firstRow = Bytes.toBytes("row111");
final byte[] secondRow = Bytes.toBytes("row222");
final byte[] thirdRow = Bytes.toBytes("row333");
final byte[] forthRow = Bytes.toBytes("row444");
final byte[] beforeFirstRow = Bytes.toBytes("row");
final byte[] beforeSecondRow = Bytes.toBytes("row22");
final byte[] beforeThirdRow = Bytes.toBytes("row33");
final byte[] beforeForthRow = Bytes.toBytes("row44");
try (Table table =
TEST_UTIL.createTable(tableName,
new byte[][] { HConstants.CATALOG_FAMILY, Bytes.toBytes("info2") }, 1, 1024);
RegionLocator locator = TEST_UTIL.getConnection().getRegionLocator(tableName)) {
// set block size to 64 to making 2 kvs into one block, bypassing the walkForwardInSingleRow
// in Store.rowAtOrBeforeFromStoreFile
String regionName = locator.getAllRegionLocations().get(0).getRegion().getEncodedName();
HRegion region = TEST_UTIL.getRSForFirstRegionInTable(tableName).getRegion(regionName);
Put put1 = new Put(firstRow);
Put put2 = new Put(secondRow);
Put put3 = new Put(thirdRow);
Put put4 = new Put(forthRow);
byte[] one = new byte[] { 1 };
byte[] two = new byte[] { 2 };
byte[] three = new byte[] { 3 };
byte[] four = new byte[] { 4 };
put1.addColumn(HConstants.CATALOG_FAMILY, null, one);
put2.addColumn(HConstants.CATALOG_FAMILY, null, two);
put3.addColumn(HConstants.CATALOG_FAMILY, null, three);
put4.addColumn(HConstants.CATALOG_FAMILY, null, four);
table.put(put1);
table.put(put2);
table.put(put3);
table.put(put4);
region.flush(true);
Result result;
// Test before first that null is returned
result = getReverseScanResult(table, beforeFirstRow);
assertNull(result);
// Test at first that first is returned
result = getReverseScanResult(table, firstRow);
assertTrue(result.containsColumn(HConstants.CATALOG_FAMILY, null));
assertTrue(Bytes.equals(result.getRow(), firstRow));
assertTrue(Bytes.equals(result.getValue(HConstants.CATALOG_FAMILY, null), one));
// Test in between first and second that first is returned
result = getReverseScanResult(table, beforeSecondRow);
assertTrue(result.containsColumn(HConstants.CATALOG_FAMILY, null));
assertTrue(Bytes.equals(result.getRow(), firstRow));
assertTrue(Bytes.equals(result.getValue(HConstants.CATALOG_FAMILY, null), one));
// Test at second make sure second is returned
result = getReverseScanResult(table, secondRow);
assertTrue(result.containsColumn(HConstants.CATALOG_FAMILY, null));
assertTrue(Bytes.equals(result.getRow(), secondRow));
assertTrue(Bytes.equals(result.getValue(HConstants.CATALOG_FAMILY, null), two));
// Test in second and third, make sure second is returned
result = getReverseScanResult(table, beforeThirdRow);
assertTrue(result.containsColumn(HConstants.CATALOG_FAMILY, null));
assertTrue(Bytes.equals(result.getRow(), secondRow));
assertTrue(Bytes.equals(result.getValue(HConstants.CATALOG_FAMILY, null), two));
// Test at third make sure third is returned
result = getReverseScanResult(table, thirdRow);
assertTrue(result.containsColumn(HConstants.CATALOG_FAMILY, null));
assertTrue(Bytes.equals(result.getRow(), thirdRow));
assertTrue(Bytes.equals(result.getValue(HConstants.CATALOG_FAMILY, null), three));
// Test in third and forth, make sure third is returned
result = getReverseScanResult(table, beforeForthRow);
assertTrue(result.containsColumn(HConstants.CATALOG_FAMILY, null));
assertTrue(Bytes.equals(result.getRow(), thirdRow));
assertTrue(Bytes.equals(result.getValue(HConstants.CATALOG_FAMILY, null), three));
// Test at forth make sure forth is returned
result = getReverseScanResult(table, forthRow);
assertTrue(result.containsColumn(HConstants.CATALOG_FAMILY, null));
assertTrue(Bytes.equals(result.getRow(), forthRow));
assertTrue(Bytes.equals(result.getValue(HConstants.CATALOG_FAMILY, null), four));
// Test after forth make sure forth is returned
result = getReverseScanResult(table, Bytes.add(forthRow, one));
assertTrue(result.containsColumn(HConstants.CATALOG_FAMILY, null));
assertTrue(Bytes.equals(result.getRow(), forthRow));
assertTrue(Bytes.equals(result.getValue(HConstants.CATALOG_FAMILY, null), four));
}
}
private Result getReverseScanResult(Table table, byte[] row) throws IOException {
Scan scan = new Scan().withStartRow(row);
scan.setSmall(true);
scan.setReversed(true);
scan.setCaching(1);
scan.addFamily(HConstants.CATALOG_FAMILY);
try (ResultScanner scanner = table.getScanner(scan)) {
return scanner.next();
}
}
/**
* For HBASE-2156
*/
@Test
public void testScanVariableReuse() {
Scan scan = new Scan();
scan.addFamily(FAMILY);
scan.addColumn(FAMILY, ROW);
assertEquals(1, scan.getFamilyMap().get(FAMILY).size());
scan = new Scan();
scan.addFamily(FAMILY);
assertNull(scan.getFamilyMap().get(FAMILY));
assertTrue(scan.getFamilyMap().containsKey(FAMILY));
}
@Test
public void testMultiRowMutation() throws Exception {
LOG.info("Starting testMultiRowMutation");
final TableName tableName = name.getTableName();
final byte [] ROW1 = Bytes.toBytes("testRow1");
try (Table t = TEST_UTIL.createTable(tableName, FAMILY)) {
Put p = new Put(ROW);
p.addColumn(FAMILY, QUALIFIER, VALUE);
MutationProto m1 = ProtobufUtil.toMutation(MutationType.PUT, p);
p = new Put(ROW1);
p.addColumn(FAMILY, QUALIFIER, VALUE);
MutationProto m2 = ProtobufUtil.toMutation(MutationType.PUT, p);
MutateRowsRequest.Builder mrmBuilder = MutateRowsRequest.newBuilder();
mrmBuilder.addMutationRequest(m1);
mrmBuilder.addMutationRequest(m2);
MutateRowsRequest mrm = mrmBuilder.build();
CoprocessorRpcChannel channel = t.coprocessorService(ROW);
MultiRowMutationService.BlockingInterface service =
MultiRowMutationService.newBlockingStub(channel);
service.mutateRows(null, mrm);
Get g = new Get(ROW);
Result r = t.get(g);
assertEquals(0, Bytes.compareTo(VALUE, r.getValue(FAMILY, QUALIFIER)));
g = new Get(ROW1);
r = t.get(g);
assertEquals(0, Bytes.compareTo(VALUE, r.getValue(FAMILY, QUALIFIER)));
}
}
@Test
public void testRowMutations() throws Exception {
LOG.info("Starting testRowMutations");
final TableName tableName = name.getTableName();
try (Table t = TEST_UTIL.createTable(tableName, FAMILY)) {
byte[][] QUALIFIERS = new byte[][] { Bytes.toBytes("a"), Bytes.toBytes("b"),
Bytes.toBytes("c"), Bytes.toBytes("d") };
// Test for Put operations
RowMutations arm = new RowMutations(ROW);
Put p = new Put(ROW);
p.addColumn(FAMILY, QUALIFIERS[0], VALUE);
arm.add(p);
Result r = t.mutateRow(arm);
assertTrue(r.getExists());
assertTrue(r.isEmpty());
Get g = new Get(ROW);
r = t.get(g);
assertEquals(0, Bytes.compareTo(VALUE, r.getValue(FAMILY, QUALIFIERS[0])));
// Test for Put and Delete operations
arm = new RowMutations(ROW);
p = new Put(ROW);
p.addColumn(FAMILY, QUALIFIERS[1], VALUE);
arm.add(p);
Delete d = new Delete(ROW);
d.addColumns(FAMILY, QUALIFIERS[0]);
arm.add(d);
// TODO: Trying mutateRow again. The batch was failing with a one try only.
r = t.mutateRow(arm);
assertTrue(r.getExists());
assertTrue(r.isEmpty());
r = t.get(g);
assertEquals(0, Bytes.compareTo(VALUE, r.getValue(FAMILY, QUALIFIERS[1])));
assertNull(r.getValue(FAMILY, QUALIFIERS[0]));
// Test for Increment and Append operations
arm = new RowMutations(ROW);
arm.add(Arrays.asList(
new Put(ROW).addColumn(FAMILY, QUALIFIERS[0], VALUE),
new Delete(ROW).addColumns(FAMILY, QUALIFIERS[1]),
new Increment(ROW).addColumn(FAMILY, QUALIFIERS[2], 5L),
new Append(ROW).addColumn(FAMILY, QUALIFIERS[3], Bytes.toBytes("abc"))
));
r = t.mutateRow(arm);
assertTrue(r.getExists());
assertEquals(5L, Bytes.toLong(r.getValue(FAMILY, QUALIFIERS[2])));
assertEquals("abc", Bytes.toString(r.getValue(FAMILY, QUALIFIERS[3])));
g = new Get(ROW);
r = t.get(g);
assertEquals(0, Bytes.compareTo(VALUE, r.getValue(FAMILY, QUALIFIERS[0])));
assertNull(r.getValue(FAMILY, QUALIFIERS[1]));
assertEquals(5L, Bytes.toLong(r.getValue(FAMILY, QUALIFIERS[2])));
assertEquals("abc", Bytes.toString(r.getValue(FAMILY, QUALIFIERS[3])));
// Test that we get a region level exception
try {
arm = new RowMutations(ROW);
p = new Put(ROW);
p.addColumn(new byte[] { 'b', 'o', 'g', 'u', 's' }, QUALIFIERS[0], VALUE);
arm.add(p);
t.mutateRow(arm);
fail("Expected NoSuchColumnFamilyException");
} catch (NoSuchColumnFamilyException e) {
return;
} catch (RetriesExhaustedWithDetailsException e) {
for (Throwable rootCause : e.getCauses()) {
if (rootCause instanceof NoSuchColumnFamilyException) {
return;
}
}
throw e;
}
}
}
@Test
public void testBatchAppendWithReturnResultFalse() throws Exception {
LOG.info("Starting testBatchAppendWithReturnResultFalse");
final TableName tableName = name.getTableName();
try (Table table = TEST_UTIL.createTable(tableName, FAMILY)) {
Append append1 = new Append(Bytes.toBytes("row1"));
append1.setReturnResults(false);
append1.addColumn(FAMILY, Bytes.toBytes("f1"), Bytes.toBytes("value1"));
Append append2 = new Append(Bytes.toBytes("row1"));
append2.setReturnResults(false);
append2.addColumn(FAMILY, Bytes.toBytes("f1"), Bytes.toBytes("value2"));
List<Append> appends = new ArrayList<>();
appends.add(append1);
appends.add(append2);
Object[] results = new Object[2];
table.batch(appends, results);
assertEquals(2, results.length);
for (Object r : results) {
Result result = (Result) r;
assertTrue(result.isEmpty());
}
}
}
@Test
public void testAppend() throws Exception {
LOG.info("Starting testAppend");
final TableName tableName = name.getTableName();
try (Table t = TEST_UTIL.createTable(tableName, FAMILY)) {
byte[] v1 = Bytes.toBytes("42");
byte[] v2 = Bytes.toBytes("23");
byte[][] QUALIFIERS = new byte[][]{
Bytes.toBytes("b"), Bytes.toBytes("a"), Bytes.toBytes("c")
};
Append a = new Append(ROW);
a.addColumn(FAMILY, QUALIFIERS[0], v1);
a.addColumn(FAMILY, QUALIFIERS[1], v2);
a.setReturnResults(false);
assertEmptyResult(t.append(a));
a = new Append(ROW);
a.addColumn(FAMILY, QUALIFIERS[0], v2);
a.addColumn(FAMILY, QUALIFIERS[1], v1);
a.addColumn(FAMILY, QUALIFIERS[2], v2);
Result r = t.append(a);
assertEquals(0, Bytes.compareTo(Bytes.add(v1, v2), r.getValue(FAMILY, QUALIFIERS[0])));
assertEquals(0, Bytes.compareTo(Bytes.add(v2, v1), r.getValue(FAMILY, QUALIFIERS[1])));
// QUALIFIERS[2] previously not exist, verify both value and timestamp are correct
assertEquals(0, Bytes.compareTo(v2, r.getValue(FAMILY, QUALIFIERS[2])));
assertEquals(r.getColumnLatestCell(FAMILY, QUALIFIERS[0]).getTimestamp(),
r.getColumnLatestCell(FAMILY, QUALIFIERS[2]).getTimestamp());
}
}
private List<Result> doAppend(final boolean walUsed) throws IOException {
LOG.info("Starting testAppend, walUsed is " + walUsed);
final TableName TABLENAME =
TableName.valueOf(walUsed ? "testAppendWithWAL" : "testAppendWithoutWAL");
try (Table t = TEST_UTIL.createTable(TABLENAME, FAMILY)) {
final byte[] row1 = Bytes.toBytes("c");
final byte[] row2 = Bytes.toBytes("b");
final byte[] row3 = Bytes.toBytes("a");
final byte[] qual = Bytes.toBytes("qual");
Put put_0 = new Put(row2);
put_0.addColumn(FAMILY, qual, Bytes.toBytes("put"));
Put put_1 = new Put(row3);
put_1.addColumn(FAMILY, qual, Bytes.toBytes("put"));
Append append_0 = new Append(row1);
append_0.addColumn(FAMILY, qual, Bytes.toBytes("i"));
Append append_1 = new Append(row1);
append_1.addColumn(FAMILY, qual, Bytes.toBytes("k"));
Append append_2 = new Append(row1);
append_2.addColumn(FAMILY, qual, Bytes.toBytes("e"));
if (!walUsed) {
append_2.setDurability(Durability.SKIP_WAL);
}
Append append_3 = new Append(row1);
append_3.addColumn(FAMILY, qual, Bytes.toBytes("a"));
Scan s = new Scan();
s.setCaching(1);
t.append(append_0);
t.put(put_0);
t.put(put_1);
List<Result> results = new LinkedList<>();
try (ResultScanner scanner = t.getScanner(s)) {
t.append(append_1);
t.append(append_2);
t.append(append_3);
for (Result r : scanner) {
results.add(r);
}
}
TEST_UTIL.deleteTable(TABLENAME);
return results;
}
}
@Test
public void testAppendWithoutWAL() throws Exception {
List<Result> resultsWithWal = doAppend(true);
List<Result> resultsWithoutWal = doAppend(false);
assertEquals(resultsWithWal.size(), resultsWithoutWal.size());
for (int i = 0; i != resultsWithWal.size(); ++i) {
Result resultWithWal = resultsWithWal.get(i);
Result resultWithoutWal = resultsWithoutWal.get(i);
assertEquals(resultWithWal.rawCells().length, resultWithoutWal.rawCells().length);
for (int j = 0; j != resultWithWal.rawCells().length; ++j) {
Cell cellWithWal = resultWithWal.rawCells()[j];
Cell cellWithoutWal = resultWithoutWal.rawCells()[j];
assertArrayEquals(CellUtil.cloneRow(cellWithWal), CellUtil.cloneRow(cellWithoutWal));
assertArrayEquals(CellUtil.cloneFamily(cellWithWal), CellUtil.cloneFamily(cellWithoutWal));
assertArrayEquals(CellUtil.cloneQualifier(cellWithWal),
CellUtil.cloneQualifier(cellWithoutWal));
assertArrayEquals(CellUtil.cloneValue(cellWithWal), CellUtil.cloneValue(cellWithoutWal));
}
}
}
@Test
public void testClientPoolRoundRobin() throws IOException {
final TableName tableName = name.getTableName();
int poolSize = 3;
int numVersions = poolSize * 2;
Configuration conf = TEST_UTIL.getConfiguration();
conf.set(HConstants.HBASE_CLIENT_IPC_POOL_TYPE, "round-robin");
conf.setInt(HConstants.HBASE_CLIENT_IPC_POOL_SIZE, poolSize);
try (Table table =
TEST_UTIL.createTable(tableName, new byte[][] { FAMILY }, Integer.MAX_VALUE)) {
final long ts = EnvironmentEdgeManager.currentTime();
Get get = new Get(ROW);
get.addColumn(FAMILY, QUALIFIER);
get.readAllVersions();
for (int versions = 1; versions <= numVersions; versions++) {
Put put = new Put(ROW);
put.addColumn(FAMILY, QUALIFIER, ts + versions, VALUE);
table.put(put);
Result result = table.get(get);
NavigableMap<Long, byte[]> navigableMap = result.getMap().get(FAMILY)
.get(QUALIFIER);
assertEquals("The number of versions of '" + Bytes.toString(FAMILY) + ":"
+ Bytes.toString(QUALIFIER) + " did not match", versions, navigableMap.size());
for (Map.Entry<Long, byte[]> entry : navigableMap.entrySet()) {
assertTrue("The value at time " + entry.getKey()
+ " did not match what was put",
Bytes.equals(VALUE, entry.getValue()));
}
}
}
}
@Ignore ("Flakey: HBASE-8989") @Test
public void testClientPoolThreadLocal() throws IOException {
final TableName tableName = name.getTableName();
int poolSize = Integer.MAX_VALUE;
int numVersions = 3;
Configuration conf = TEST_UTIL.getConfiguration();
conf.set(HConstants.HBASE_CLIENT_IPC_POOL_TYPE, "thread-local");
conf.setInt(HConstants.HBASE_CLIENT_IPC_POOL_SIZE, poolSize);
try (final Table table = TEST_UTIL.createTable(tableName, new byte[][] { FAMILY }, 3)) {
final long ts = EnvironmentEdgeManager.currentTime();
final Get get = new Get(ROW);
get.addColumn(FAMILY, QUALIFIER);
get.readAllVersions();
for (int versions = 1; versions <= numVersions; versions++) {
Put put = new Put(ROW);
put.addColumn(FAMILY, QUALIFIER, ts + versions, VALUE);
table.put(put);
Result result = table.get(get);
NavigableMap<Long, byte[]> navigableMap = result.getMap().get(FAMILY)
.get(QUALIFIER);
assertEquals("The number of versions of '" + Bytes.toString(FAMILY) + ":"
+ Bytes.toString(QUALIFIER) + " did not match", versions, navigableMap.size());
for (Map.Entry<Long, byte[]> entry : navigableMap.entrySet()) {
assertTrue("The value at time " + entry.getKey()
+ " did not match what was put",
Bytes.equals(VALUE, entry.getValue()));
}
}
final Object waitLock = new Object();
ExecutorService executorService = Executors.newFixedThreadPool(numVersions);
final AtomicReference<AssertionError> error = new AtomicReference<>(null);
for (int versions = numVersions; versions < numVersions * 2; versions++) {
final int versionsCopy = versions;
executorService.submit((Callable<Void>) () -> {
try {
Put put = new Put(ROW);
put.addColumn(FAMILY, QUALIFIER, ts + versionsCopy, VALUE);
table.put(put);
Result result = table.get(get);
NavigableMap<Long, byte[]> navigableMap = result.getMap()
.get(FAMILY).get(QUALIFIER);
assertEquals("The number of versions of '" + Bytes.toString(FAMILY) + ":"
+ Bytes.toString(QUALIFIER) + " did not match " + versionsCopy, versionsCopy,
navigableMap.size());
for (Map.Entry<Long, byte[]> entry : navigableMap.entrySet()) {
assertTrue("The value at time " + entry.getKey()
+ " did not match what was put",
Bytes.equals(VALUE, entry.getValue()));
}
synchronized (waitLock) {
waitLock.wait();
}
} catch (Exception ignored) {
} catch (AssertionError e) {
// the error happens in a thread, it won't fail the test,
// need to pass it to the caller for proper handling.
error.set(e);
LOG.error(e.toString(), e);
}
return null;
});
}
synchronized (waitLock) {
waitLock.notifyAll();
}
executorService.shutdownNow();
assertNull(error.get());
}
}
@Test
public void testCheckAndPut() throws IOException {
final byte [] anotherrow = Bytes.toBytes("anotherrow");
final byte [] value2 = Bytes.toBytes("abcd");
try (Table table = TEST_UTIL.createTable(name.getTableName(), FAMILY)) {
Put put1 = new Put(ROW);
put1.addColumn(FAMILY, QUALIFIER, VALUE);
// row doesn't exist, so using non-null value should be considered "not match".
boolean ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifEquals(VALUE).thenPut(put1);
assertFalse(ok);
// row doesn't exist, so using "ifNotExists" should be considered "match".
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER).ifNotExists().thenPut(put1);
assertTrue(ok);
// row now exists, so using "ifNotExists" should be considered "not match".
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER).ifNotExists().thenPut(put1);
assertFalse(ok);
Put put2 = new Put(ROW);
put2.addColumn(FAMILY, QUALIFIER, value2);
// row now exists, use the matching value to check
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER).ifEquals(VALUE).thenPut(put2);
assertTrue(ok);
Put put3 = new Put(anotherrow);
put3.addColumn(FAMILY, QUALIFIER, VALUE);
// try to do CheckAndPut on different rows
try {
table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER).ifEquals(value2).thenPut(put3);
fail("trying to check and modify different rows should have failed.");
} catch (Exception ignored) {
}
}
}
@Test
public void testCheckAndMutateWithTimeRange() throws IOException {
try (Table table = TEST_UTIL.createTable(name.getTableName(), FAMILY)) {
final long ts = System.currentTimeMillis() / 2;
Put put = new Put(ROW);
put.addColumn(FAMILY, QUALIFIER, ts, VALUE);
boolean ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifNotExists()
.thenPut(put);
assertTrue(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.timeRange(TimeRange.at(ts + 10000))
.ifEquals(VALUE)
.thenPut(put);
assertFalse(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.timeRange(TimeRange.from(ts + 10000))
.ifEquals(VALUE)
.thenPut(put);
assertFalse(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.timeRange(TimeRange.between(ts + 10000, ts + 20000))
.ifEquals(VALUE)
.thenPut(put);
assertFalse(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.timeRange(TimeRange.until(ts))
.ifEquals(VALUE)
.thenPut(put);
assertFalse(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.timeRange(TimeRange.at(ts))
.ifEquals(VALUE)
.thenPut(put);
assertTrue(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.timeRange(TimeRange.from(ts))
.ifEquals(VALUE)
.thenPut(put);
assertTrue(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.timeRange(TimeRange.between(ts, ts + 20000))
.ifEquals(VALUE)
.thenPut(put);
assertTrue(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.timeRange(TimeRange.until(ts + 10000))
.ifEquals(VALUE)
.thenPut(put);
assertTrue(ok);
RowMutations rm = new RowMutations(ROW)
.add((Mutation) put);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.timeRange(TimeRange.at(ts + 10000))
.ifEquals(VALUE)
.thenMutate(rm);
assertFalse(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.timeRange(TimeRange.at(ts))
.ifEquals(VALUE)
.thenMutate(rm);
assertTrue(ok);
Delete delete = new Delete(ROW)
.addColumn(FAMILY, QUALIFIER);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.timeRange(TimeRange.at(ts + 10000))
.ifEquals(VALUE)
.thenDelete(delete);
assertFalse(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.timeRange(TimeRange.at(ts))
.ifEquals(VALUE)
.thenDelete(delete);
assertTrue(ok);
}
}
@Test
public void testCheckAndPutWithCompareOp() throws IOException {
final byte [] value1 = Bytes.toBytes("aaaa");
final byte [] value2 = Bytes.toBytes("bbbb");
final byte [] value3 = Bytes.toBytes("cccc");
final byte [] value4 = Bytes.toBytes("dddd");
try (Table table = TEST_UTIL.createTable(name.getTableName(), FAMILY)) {
Put put2 = new Put(ROW);
put2.addColumn(FAMILY, QUALIFIER, value2);
Put put3 = new Put(ROW);
put3.addColumn(FAMILY, QUALIFIER, value3);
// row doesn't exist, so using "ifNotExists" should be considered "match".
boolean ok =
table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER).ifNotExists().thenPut(put2);
assertTrue(ok);
// cell = "bbbb", using "aaaa" to compare only LESS/LESS_OR_EQUAL/NOT_EQUAL
// turns out "match"
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.GREATER, value1).thenPut(put2);
assertFalse(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.EQUAL, value1).thenPut(put2);
assertFalse(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.GREATER_OR_EQUAL, value1).thenPut(put2);
assertFalse(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.LESS, value1).thenPut(put2);
assertTrue(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.LESS_OR_EQUAL, value1).thenPut(put2);
assertTrue(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.NOT_EQUAL, value1).thenPut(put3);
assertTrue(ok);
// cell = "cccc", using "dddd" to compare only LARGER/LARGER_OR_EQUAL/NOT_EQUAL
// turns out "match"
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.LESS, value4).thenPut(put3);
assertFalse(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.LESS_OR_EQUAL, value4).thenPut(put3);
assertFalse(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.EQUAL, value4).thenPut(put3);
assertFalse(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.GREATER, value4).thenPut(put3);
assertTrue(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.GREATER_OR_EQUAL, value4).thenPut(put3);
assertTrue(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.NOT_EQUAL, value4).thenPut(put2);
assertTrue(ok);
// cell = "bbbb", using "bbbb" to compare only GREATER_OR_EQUAL/LESS_OR_EQUAL/EQUAL
// turns out "match"
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.GREATER, value2).thenPut(put2);
assertFalse(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.NOT_EQUAL, value2).thenPut(put2);
assertFalse(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.LESS, value2).thenPut(put2);
assertFalse(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.GREATER_OR_EQUAL, value2).thenPut(put2);
assertTrue(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.LESS_OR_EQUAL, value2).thenPut(put2);
assertTrue(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.EQUAL, value2).thenPut(put3);
assertTrue(ok);
}
}
@Test
public void testCheckAndDelete() throws IOException {
final byte [] value1 = Bytes.toBytes("aaaa");
try (Table table = TEST_UTIL.createTable(name.getTableName(),
FAMILY)) {
Put put = new Put(ROW);
put.addColumn(FAMILY, QUALIFIER, value1);
table.put(put);
Delete delete = new Delete(ROW);
delete.addColumns(FAMILY, QUALIFIER);
boolean ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifEquals(value1).thenDelete(delete);
assertTrue(ok);
}
}
@Test
public void testCheckAndDeleteWithCompareOp() throws IOException {
final byte [] value1 = Bytes.toBytes("aaaa");
final byte [] value2 = Bytes.toBytes("bbbb");
final byte [] value3 = Bytes.toBytes("cccc");
final byte [] value4 = Bytes.toBytes("dddd");
try (Table table = TEST_UTIL.createTable(name.getTableName(),
FAMILY)) {
Put put2 = new Put(ROW);
put2.addColumn(FAMILY, QUALIFIER, value2);
table.put(put2);
Put put3 = new Put(ROW);
put3.addColumn(FAMILY, QUALIFIER, value3);
Delete delete = new Delete(ROW);
delete.addColumns(FAMILY, QUALIFIER);
// cell = "bbbb", using "aaaa" to compare only LESS/LESS_OR_EQUAL/NOT_EQUAL
// turns out "match"
boolean ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.GREATER, value1).thenDelete(delete);
assertFalse(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.EQUAL, value1).thenDelete(delete);
assertFalse(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.GREATER_OR_EQUAL, value1).thenDelete(delete);
assertFalse(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.LESS, value1).thenDelete(delete);
assertTrue(ok);
table.put(put2);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.LESS_OR_EQUAL, value1).thenDelete(delete);
assertTrue(ok);
table.put(put2);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.NOT_EQUAL, value1).thenDelete(delete);
assertTrue(ok);
// cell = "cccc", using "dddd" to compare only LARGER/LARGER_OR_EQUAL/NOT_EQUAL
// turns out "match"
table.put(put3);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.LESS, value4).thenDelete(delete);
assertFalse(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.LESS_OR_EQUAL, value4).thenDelete(delete);
assertFalse(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.EQUAL, value4).thenDelete(delete);
assertFalse(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.GREATER, value4).thenDelete(delete);
assertTrue(ok);
table.put(put3);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.GREATER_OR_EQUAL, value4).thenDelete(delete);
assertTrue(ok);
table.put(put3);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.NOT_EQUAL, value4).thenDelete(delete);
assertTrue(ok);
// cell = "bbbb", using "bbbb" to compare only GREATER_OR_EQUAL/LESS_OR_EQUAL/EQUAL
// turns out "match"
table.put(put2);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.GREATER, value2).thenDelete(delete);
assertFalse(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.NOT_EQUAL, value2).thenDelete(delete);
assertFalse(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.LESS, value2).thenDelete(delete);
assertFalse(ok);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.GREATER_OR_EQUAL, value2).thenDelete(delete);
assertTrue(ok);
table.put(put2);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.LESS_OR_EQUAL, value2).thenDelete(delete);
assertTrue(ok);
table.put(put2);
ok = table.checkAndMutate(ROW, FAMILY).qualifier(QUALIFIER)
.ifMatches(CompareOperator.EQUAL, value2).thenDelete(delete);
assertTrue(ok);
}
}
/**
* Test ScanMetrics
*/
@Test
@SuppressWarnings({"unused", "checkstyle:EmptyBlock"})
public void testScanMetrics() throws Exception {
final TableName tableName = name.getTableName();
// Set up test table:
// Create table:
try (Table ht = TEST_UTIL.createMultiRegionTable(tableName, FAMILY)) {
int numOfRegions;
try (RegionLocator r = TEST_UTIL.getConnection().getRegionLocator(tableName)) {
numOfRegions = r.getStartKeys().length;
}
// Create 3 rows in the table, with rowkeys starting with "zzz*" so that
// scan are forced to hit all the regions.
Put put1 = new Put(Bytes.toBytes("zzz1"));
put1.addColumn(FAMILY, QUALIFIER, VALUE);
Put put2 = new Put(Bytes.toBytes("zzz2"));
put2.addColumn(FAMILY, QUALIFIER, VALUE);
Put put3 = new Put(Bytes.toBytes("zzz3"));
put3.addColumn(FAMILY, QUALIFIER, VALUE);
ht.put(Arrays.asList(put1, put2, put3));
Scan scan1 = new Scan();
int numRecords = 0;
try (ResultScanner scanner = ht.getScanner(scan1)) {
for (Result result : scanner) {
numRecords++;
}
LOG.info("test data has {} records.", numRecords);
// by default, scan metrics collection is turned off
assertNull(scanner.getScanMetrics());
}
// turn on scan metrics
Scan scan2 = new Scan();
scan2.setScanMetricsEnabled(true);
scan2.setCaching(numRecords + 1);
try (ResultScanner scanner = ht.getScanner(scan2)) {
for (Result result : scanner.next(numRecords - 1)) {
}
assertNotNull(scanner.getScanMetrics());
}
// set caching to 1, because metrics are collected in each roundtrip only
scan2 = new Scan();
scan2.setScanMetricsEnabled(true);
scan2.setCaching(1);
try (ResultScanner scanner = ht.getScanner(scan2)) {
// per HBASE-5717, this should still collect even if you don't run all the way to
// the end of the scanner. So this is asking for 2 of the 3 rows we inserted.
for (Result result : scanner.next(numRecords - 1)) {
}
ScanMetrics scanMetrics = scanner.getScanMetrics();
assertEquals("Did not access all the regions in the table", numOfRegions,
scanMetrics.countOfRegions.get());
}
// check byte counters
scan2 = new Scan();
scan2.setScanMetricsEnabled(true);
scan2.setCaching(1);
try (ResultScanner scanner = ht.getScanner(scan2)) {
int numBytes = 0;
for (Result result : scanner) {
for (Cell cell : result.listCells()) {
numBytes += PrivateCellUtil.estimatedSerializedSizeOf(cell);
}
}
ScanMetrics scanMetrics = scanner.getScanMetrics();
assertEquals("Did not count the result bytes", numBytes,
scanMetrics.countOfBytesInResults.get());
}
// check byte counters on a small scan
scan2 = new Scan();
scan2.setScanMetricsEnabled(true);
scan2.setCaching(1);
scan2.setSmall(true);
try (ResultScanner scanner = ht.getScanner(scan2)) {
int numBytes = 0;
for (Result result : scanner) {
for (Cell cell : result.listCells()) {
numBytes += PrivateCellUtil.estimatedSerializedSizeOf(cell);
}
}
ScanMetrics scanMetrics = scanner.getScanMetrics();
assertEquals("Did not count the result bytes", numBytes,
scanMetrics.countOfBytesInResults.get());
}
// now, test that the metrics are still collected even if you don't call close, but do
// run past the end of all the records
/** There seems to be a timing issue here. Comment out for now. Fix when time.
Scan scanWithoutClose = new Scan();
scanWithoutClose.setCaching(1);
scanWithoutClose.setScanMetricsEnabled(true);
ResultScanner scannerWithoutClose = ht.getScanner(scanWithoutClose);
for (Result result : scannerWithoutClose.next(numRecords + 1)) {
}
ScanMetrics scanMetricsWithoutClose = getScanMetrics(scanWithoutClose);
assertEquals("Did not access all the regions in the table", numOfRegions,
scanMetricsWithoutClose.countOfRegions.get());
*/
// finally,
// test that the metrics are collected correctly if you both run past all the records,
// AND close the scanner
Scan scanWithClose = new Scan();
// make sure we can set caching up to the number of a scanned values
scanWithClose.setCaching(numRecords);
scanWithClose.setScanMetricsEnabled(true);
try (ResultScanner scannerWithClose = ht.getScanner(scanWithClose)) {
for (Result result : scannerWithClose.next(numRecords + 1)) {
}
scannerWithClose.close();
ScanMetrics scanMetricsWithClose = scannerWithClose.getScanMetrics();
assertEquals("Did not access all the regions in the table", numOfRegions,
scanMetricsWithClose.countOfRegions.get());
}
} finally {
TEST_UTIL.deleteTable(tableName);
}
}
/**
* Tests that cache on write works all the way up from the client-side.
*
* Performs inserts, flushes, and compactions, verifying changes in the block
* cache along the way.
*/
@Test
public void testCacheOnWriteEvictOnClose() throws Exception {
final TableName tableName = name.getTableName();
byte [] data = Bytes.toBytes("data");
try (Table table = TEST_UTIL.createTable(tableName, FAMILY)) {
try (RegionLocator locator = TEST_UTIL.getConnection().getRegionLocator(tableName)) {
// get the block cache and region
String regionName = locator.getAllRegionLocations().get(0).getRegion().getEncodedName();
HRegion region = TEST_UTIL.getRSForFirstRegionInTable(tableName)
.getRegion(regionName);
HStore store = region.getStores().iterator().next();
CacheConfig cacheConf = store.getCacheConfig();
cacheConf.setCacheDataOnWrite(true);
cacheConf.setEvictOnClose(true);
BlockCache cache = cacheConf.getBlockCache().get();
// establish baseline stats
long startBlockCount = cache.getBlockCount();
long startBlockHits = cache.getStats().getHitCount();
long startBlockMiss = cache.getStats().getMissCount();
// wait till baseline is stable, (minimal 500 ms)
for (int i = 0; i < 5; i++) {
Thread.sleep(100);
if (startBlockCount != cache.getBlockCount()
|| startBlockHits != cache.getStats().getHitCount()
|| startBlockMiss != cache.getStats().getMissCount()) {
startBlockCount = cache.getBlockCount();
startBlockHits = cache.getStats().getHitCount();
startBlockMiss = cache.getStats().getMissCount();
i = -1;
}
}
// insert data
Put put = new Put(ROW);
put.addColumn(FAMILY, QUALIFIER, data);
table.put(put);
assertTrue(Bytes.equals(table.get(new Get(ROW)).value(), data));
// data was in memstore so don't expect any changes
assertEquals(startBlockCount, cache.getBlockCount());
assertEquals(startBlockHits, cache.getStats().getHitCount());
assertEquals(startBlockMiss, cache.getStats().getMissCount());
// flush the data
LOG.debug("Flushing cache");
region.flush(true);
// expect two more blocks in cache - DATA and ROOT_INDEX
// , no change in hits/misses
long expectedBlockCount = startBlockCount + 2;
long expectedBlockHits = startBlockHits;
long expectedBlockMiss = startBlockMiss;
assertEquals(expectedBlockCount, cache.getBlockCount());
assertEquals(expectedBlockHits, cache.getStats().getHitCount());
assertEquals(expectedBlockMiss, cache.getStats().getMissCount());
// read the data and expect same blocks, one new hit, no misses
assertTrue(Bytes.equals(table.get(new Get(ROW)).value(), data));
assertEquals(expectedBlockCount, cache.getBlockCount());
assertEquals(++expectedBlockHits, cache.getStats().getHitCount());
assertEquals(expectedBlockMiss, cache.getStats().getMissCount());
// insert a second column, read the row, no new blocks, one new hit
byte[] QUALIFIER2 = Bytes.add(QUALIFIER, QUALIFIER);
byte[] data2 = Bytes.add(data, data);
put = new Put(ROW);
put.addColumn(FAMILY, QUALIFIER2, data2);
table.put(put);
Result r = table.get(new Get(ROW));
assertTrue(Bytes.equals(r.getValue(FAMILY, QUALIFIER), data));
assertTrue(Bytes.equals(r.getValue(FAMILY, QUALIFIER2), data2));
assertEquals(expectedBlockCount, cache.getBlockCount());
assertEquals(++expectedBlockHits, cache.getStats().getHitCount());
assertEquals(expectedBlockMiss, cache.getStats().getMissCount());
// flush, one new block
System.out.println("Flushing cache");
region.flush(true);
// + 1 for Index Block, +1 for data block
expectedBlockCount += 2;
assertEquals(expectedBlockCount, cache.getBlockCount());
assertEquals(expectedBlockHits, cache.getStats().getHitCount());
assertEquals(expectedBlockMiss, cache.getStats().getMissCount());
// compact, net minus two blocks, two hits, no misses
System.out.println("Compacting");
assertEquals(2, store.getStorefilesCount());
store.triggerMajorCompaction();
region.compact(true);
store.closeAndArchiveCompactedFiles();
waitForStoreFileCount(store, 1, 10000); // wait 10 seconds max
assertEquals(1, store.getStorefilesCount());
// evicted two data blocks and two index blocks and compaction does not cache new blocks
expectedBlockCount = 0;
assertEquals(expectedBlockCount, cache.getBlockCount());
expectedBlockHits += 2;
assertEquals(expectedBlockMiss, cache.getStats().getMissCount());
assertEquals(expectedBlockHits, cache.getStats().getHitCount());
// read the row, this should be a cache miss because we don't cache data
// blocks on compaction
r = table.get(new Get(ROW));
assertTrue(Bytes.equals(r.getValue(FAMILY, QUALIFIER), data));
assertTrue(Bytes.equals(r.getValue(FAMILY, QUALIFIER2), data2));
expectedBlockCount += 1; // cached one data block
assertEquals(expectedBlockCount, cache.getBlockCount());
assertEquals(expectedBlockHits, cache.getStats().getHitCount());
assertEquals(++expectedBlockMiss, cache.getStats().getMissCount());
}
}
}
private void waitForStoreFileCount(HStore store, int count, int timeout)
throws InterruptedException {
long start = System.currentTimeMillis();
while (start + timeout > System.currentTimeMillis() && store.getStorefilesCount() != count) {
Thread.sleep(100);
}
System.out.println("start=" + start + ", now=" + System.currentTimeMillis() + ", cur=" +
store.getStorefilesCount());
assertEquals(count, store.getStorefilesCount());
}
/**
* Tests the non cached version of getRegionLocator by moving a region.
*/
@Test
public void testNonCachedGetRegionLocation() throws Exception {
// Test Initialization.
final TableName tableName = name.getTableName();
byte [] family1 = Bytes.toBytes("f1");
byte [] family2 = Bytes.toBytes("f2");
try (Table ignored = TEST_UTIL.createTable(tableName, new byte[][] {family1, family2}, 10);
Admin admin = TEST_UTIL.getAdmin();
RegionLocator locator = TEST_UTIL.getConnection().getRegionLocator(tableName)) {
List<HRegionLocation> allRegionLocations = locator.getAllRegionLocations();
assertEquals(1, allRegionLocations.size());
RegionInfo regionInfo = allRegionLocations.get(0).getRegion();
ServerName addrBefore = allRegionLocations.get(0).getServerName();
// Verify region location before move.
HRegionLocation addrCache = locator.getRegionLocation(regionInfo.getStartKey(), false);
HRegionLocation addrNoCache = locator.getRegionLocation(regionInfo.getStartKey(), true);
assertEquals(addrBefore.getPort(), addrCache.getPort());
assertEquals(addrBefore.getPort(), addrNoCache.getPort());
// Make sure more than one server.
if (TEST_UTIL.getMiniHBaseCluster().getLiveRegionServerThreads().size() <= 1) {
TEST_UTIL.getMiniHBaseCluster().startRegionServer();
Waiter.waitFor(TEST_UTIL.getConfiguration(), 30000, new Waiter.Predicate<Exception>() {
@Override public boolean evaluate() throws Exception {
return TEST_UTIL.getMiniHBaseCluster().getLiveRegionServerThreads().size() > 1;
}
});
}
ServerName addrAfter = null;
// Now move the region to a different server.
for (int i = 0; i < TEST_UTIL.getMiniHBaseCluster().getLiveRegionServerThreads().size();
i++) {
HRegionServer regionServer = TEST_UTIL.getHBaseCluster().getRegionServer(i);
ServerName addr = regionServer.getServerName();
if (addr.getPort() != addrBefore.getPort()) {
admin.move(regionInfo.getEncodedNameAsBytes(), addr);
// Wait for the region to move.
Thread.sleep(5000);
addrAfter = addr;
break;
}
}
// Verify the region was moved.
addrCache = locator.getRegionLocation(regionInfo.getStartKey(), false);
addrNoCache = locator.getRegionLocation(regionInfo.getStartKey(), true);
assertNotNull(addrAfter);
assertTrue(addrAfter.getPort() != addrCache.getPort());
assertEquals(addrAfter.getPort(), addrNoCache.getPort());
}
}
/**
* Tests getRegionsInRange by creating some regions over which a range of
* keys spans; then changing the key range.
*/
@Test
public void testGetRegionsInRange() throws Exception {
// Test Initialization.
byte [] startKey = Bytes.toBytes("ddc");
byte [] endKey = Bytes.toBytes("mmm");
TableName tableName = name.getTableName();
TEST_UTIL.createMultiRegionTable(tableName, new byte[][] { FAMILY }, 10);
int numOfRegions;
try (RegionLocator r = TEST_UTIL.getConnection().getRegionLocator(tableName)) {
numOfRegions = r.getStartKeys().length;
}
assertEquals(26, numOfRegions);
// Get the regions in this range
List<HRegionLocation> regionsList = getRegionsInRange(tableName, startKey, endKey);
assertEquals(10, regionsList.size());
// Change the start key
startKey = Bytes.toBytes("fff");
regionsList = getRegionsInRange(tableName, startKey, endKey);
assertEquals(7, regionsList.size());
// Change the end key
endKey = Bytes.toBytes("nnn");
regionsList = getRegionsInRange(tableName, startKey, endKey);
assertEquals(8, regionsList.size());
// Empty start key
regionsList = getRegionsInRange(tableName, HConstants.EMPTY_START_ROW, endKey);
assertEquals(13, regionsList.size());
// Empty end key
regionsList = getRegionsInRange(tableName, startKey, HConstants.EMPTY_END_ROW);
assertEquals(21, regionsList.size());
// Both start and end keys empty
regionsList = getRegionsInRange(tableName, HConstants.EMPTY_START_ROW,
HConstants.EMPTY_END_ROW);
assertEquals(26, regionsList.size());
// Change the end key to somewhere in the last block
endKey = Bytes.toBytes("zzz1");
regionsList = getRegionsInRange(tableName, startKey, endKey);
assertEquals(21, regionsList.size());
// Change the start key to somewhere in the first block
startKey = Bytes.toBytes("aac");
regionsList = getRegionsInRange(tableName, startKey, endKey);
assertEquals(26, regionsList.size());
// Make start and end key the same
startKey = Bytes.toBytes("ccc");
endKey = Bytes.toBytes("ccc");
regionsList = getRegionsInRange(tableName, startKey, endKey);
assertEquals(1, regionsList.size());
}
private List<HRegionLocation> getRegionsInRange(TableName tableName, byte[] startKey,
byte[] endKey) throws IOException {
List<HRegionLocation> regionsInRange = new ArrayList<>();
byte[] currentKey = startKey;
final boolean endKeyIsEndOfTable = Bytes.equals(endKey, HConstants.EMPTY_END_ROW);
try (RegionLocator r = TEST_UTIL.getConnection().getRegionLocator(tableName)) {
do {
HRegionLocation regionLocation = r.getRegionLocation(currentKey);
regionsInRange.add(regionLocation);
currentKey = regionLocation.getRegion().getEndKey();
} while (!Bytes.equals(currentKey, HConstants.EMPTY_END_ROW)
&& (endKeyIsEndOfTable || Bytes.compareTo(currentKey, endKey) < 0));
return regionsInRange;
}
}
@Test
public void testJira6912() throws Exception {
final TableName tableName = name.getTableName();
try (Table foo = TEST_UTIL.createTable(tableName, new byte[][] {FAMILY}, 10)) {
List<Put> puts = new ArrayList<>();
for (int i = 0; i != 100; i++) {
Put put = new Put(Bytes.toBytes(i));
put.addColumn(FAMILY, FAMILY, Bytes.toBytes(i));
puts.add(put);
}
foo.put(puts);
// If i comment this out it works
TEST_UTIL.flush();
Scan scan = new Scan();
scan.withStartRow(Bytes.toBytes(1));
scan.withStopRow(Bytes.toBytes(3));
scan.addColumn(FAMILY, FAMILY);
scan.setFilter(new RowFilter(CompareOperator.NOT_EQUAL,
new BinaryComparator(Bytes.toBytes(1))));
try (ResultScanner scanner = foo.getScanner(scan)) {
Result[] bar = scanner.next(100);
assertEquals(1, bar.length);
}
}
}
@Test
public void testScan_NullQualifier() throws IOException {
try (Table table = TEST_UTIL.createTable(name.getTableName(), FAMILY)) {
Put put = new Put(ROW);
put.addColumn(FAMILY, QUALIFIER, VALUE);
table.put(put);
put = new Put(ROW);
put.addColumn(FAMILY, null, VALUE);
table.put(put);
LOG.info("Row put");
Scan scan = new Scan();
scan.addColumn(FAMILY, null);
ResultScanner scanner = table.getScanner(scan);
Result[] bar = scanner.next(100);
assertEquals(1, bar.length);
assertEquals(1, bar[0].size());
scan = new Scan();
scan.addFamily(FAMILY);
scanner = table.getScanner(scan);
bar = scanner.next(100);
assertEquals(1, bar.length);
assertEquals(2, bar[0].size());
}
}
@Test
public void testNegativeTimestamp() throws IOException {
try (Table table = TEST_UTIL.createTable(name.getTableName(), FAMILY)) {
try {
Put put = new Put(ROW, -1);
put.addColumn(FAMILY, QUALIFIER, VALUE);
table.put(put);
fail("Negative timestamps should not have been allowed");
} catch (IllegalArgumentException ex) {
assertTrue(ex.getMessage().contains("negative"));
}
try {
Put put = new Put(ROW);
long ts = -1;
put.addColumn(FAMILY, QUALIFIER, ts, VALUE);
table.put(put);
fail("Negative timestamps should not have been allowed");
} catch (IllegalArgumentException ex) {
assertTrue(ex.getMessage().contains("negative"));
}
try {
Delete delete = new Delete(ROW, -1);
table.delete(delete);
fail("Negative timestamps should not have been allowed");
} catch (IllegalArgumentException ex) {
assertTrue(ex.getMessage().contains("negative"));
}
try {
Delete delete = new Delete(ROW);
delete.addFamily(FAMILY, -1);
table.delete(delete);
fail("Negative timestamps should not have been allowed");
} catch (IllegalArgumentException ex) {
assertTrue(ex.getMessage().contains("negative"));
}
try {
Scan scan = new Scan();
scan.setTimeRange(-1, 1);
table.getScanner(scan);
fail("Negative timestamps should not have been allowed");
} catch (IllegalArgumentException ex) {
assertTrue(ex.getMessage().contains("negative"));
}
// KeyValue should allow negative timestamps for backwards compat. Otherwise, if the user
// already has negative timestamps in cluster data, HBase won't be able to handle that
try {
new KeyValue(Bytes.toBytes(42), Bytes.toBytes(42), Bytes.toBytes(42), -1,
Bytes.toBytes(42));
} catch (IllegalArgumentException ex) {
fail("KeyValue SHOULD allow negative timestamps");
}
}
}
@Test
public void testRawScanRespectsVersions() throws Exception {
final TableName tableName = name.getTableName();
try (Table table = TEST_UTIL.createTable(tableName, FAMILY)) {
byte[] row = Bytes.toBytes("row");
// put the same row 4 times, with different values
Put p = new Put(row);
p.addColumn(FAMILY, QUALIFIER, 10, VALUE);
table.put(p);
p = new Put(row);
p.addColumn(FAMILY, QUALIFIER, 11, ArrayUtils.add(VALUE, (byte) 2));
table.put(p);
p = new Put(row);
p.addColumn(FAMILY, QUALIFIER, 12, ArrayUtils.add(VALUE, (byte) 3));
table.put(p);
p = new Put(row);
p.addColumn(FAMILY, QUALIFIER, 13, ArrayUtils.add(VALUE, (byte) 4));
table.put(p);
int versions = 4;
Scan s = new Scan().withStartRow(row);
// get all the possible versions
s.readAllVersions();
s.setRaw(true);
try (ResultScanner scanner = table.getScanner(s)) {
int count = 0;
for (Result r : scanner) {
assertEquals("Found an unexpected number of results for the row!", versions,
r.listCells().size());
count++;
}
assertEquals("Found more than a single row when raw scanning the table with a single row!",
1, count);
}
// then if we decrease the number of versions, but keep the scan raw, we should see exactly
// that number of versions
versions = 2;
s.readVersions(versions);
try (ResultScanner scanner = table.getScanner(s)) {
int count = 0;
for (Result r : scanner) {
assertEquals("Found an unexpected number of results for the row!", versions,
r.listCells().size());
count++;
}
assertEquals("Found more than a single row when raw scanning the table with a single row!",
1, count);
}
// finally, if we turn off raw scanning, but max out the number of versions, we should go back
// to seeing just three
versions = 3;
s.readVersions(versions);
try (ResultScanner scanner = table.getScanner(s)) {
int count = 0;
for (Result r : scanner) {
assertEquals("Found an unexpected number of results for the row!", versions,
r.listCells().size());
count++;
}
assertEquals("Found more than a single row when raw scanning the table with a single row!",
1, count);
}
}
TEST_UTIL.deleteTable(tableName);
}
@Test
public void testEmptyFilterList() throws Exception {
// Test Initialization.
final TableName tableName = name.getTableName();
try (Table table = TEST_UTIL.createTable(tableName, FAMILY)) {
// Insert one row each region
Put put = new Put(Bytes.toBytes("row"));
put.addColumn(FAMILY, QUALIFIER, VALUE);
table.put(put);
List<Result> scanResults = new LinkedList<>();
Scan scan = new Scan();
scan.setFilter(new FilterList());
try (ResultScanner scanner = table.getScanner(scan)) {
for (Result r : scanner) {
scanResults.add(r);
}
}
assertEquals(1, scanResults.size());
Get g = new Get(Bytes.toBytes("row"));
g.setFilter(new FilterList());
Result getResult = table.get(g);
Result scanResult = scanResults.get(0);
assertEquals(scanResult.rawCells().length, getResult.rawCells().length);
for (int i = 0; i != scanResult.rawCells().length; ++i) {
Cell scanCell = scanResult.rawCells()[i];
Cell getCell = getResult.rawCells()[i];
assertEquals(0, Bytes.compareTo(CellUtil.cloneRow(scanCell),
CellUtil.cloneRow(getCell)));
assertEquals(0, Bytes.compareTo(CellUtil.cloneFamily(scanCell),
CellUtil.cloneFamily(getCell)));
assertEquals(0, Bytes.compareTo(CellUtil.cloneQualifier(scanCell),
CellUtil.cloneQualifier(getCell)));
assertEquals(0, Bytes.compareTo(CellUtil.cloneValue(scanCell),
CellUtil.cloneValue(getCell)));
}
}
}
@Test
public void testSmallScan() throws Exception {
// Test Initialization.
final TableName tableName = name.getTableName();
try (Table table = TEST_UTIL.createTable(tableName, FAMILY)) {
// Insert one row each region
int insertNum = 10;
for (int i = 0; i < 10; i++) {
Put put = new Put(Bytes.toBytes("row" + String.format("%03d", i)));
put.addColumn(FAMILY, QUALIFIER, VALUE);
table.put(put);
}
// normal scan
try (ResultScanner scanner = table.getScanner(new Scan())) {
int count = 0;
for (Result r : scanner) {
assertFalse(r.isEmpty());
count++;
}
assertEquals(insertNum, count);
}
// small scan
Scan scan = new Scan().withStartRow(HConstants.EMPTY_START_ROW)
.withStopRow(HConstants.EMPTY_END_ROW, true);
scan.setSmall(true);
scan.setCaching(2);
try (ResultScanner scanner = table.getScanner(scan)) {
int count = 0;
for (Result r : scanner) {
assertFalse(r.isEmpty());
count++;
}
assertEquals(insertNum, count);
}
}
}
@Test
public void testSuperSimpleWithReverseScan() throws Exception {
final TableName tableName = name.getTableName();
try (Table ht = TEST_UTIL.createTable(tableName, FAMILY)) {
Put put = new Put(Bytes.toBytes("0-b11111-0000000000000000000"));
put.addColumn(FAMILY, QUALIFIER, VALUE);
ht.put(put);
put = new Put(Bytes.toBytes("0-b11111-0000000000000000002"));
put.addColumn(FAMILY, QUALIFIER, VALUE);
ht.put(put);
put = new Put(Bytes.toBytes("0-b11111-0000000000000000004"));
put.addColumn(FAMILY, QUALIFIER, VALUE);
ht.put(put);
put = new Put(Bytes.toBytes("0-b11111-0000000000000000006"));
put.addColumn(FAMILY, QUALIFIER, VALUE);
ht.put(put);
put = new Put(Bytes.toBytes("0-b11111-0000000000000000008"));
put.addColumn(FAMILY, QUALIFIER, VALUE);
ht.put(put);
put = new Put(Bytes.toBytes("0-b22222-0000000000000000001"));
put.addColumn(FAMILY, QUALIFIER, VALUE);
ht.put(put);
put = new Put(Bytes.toBytes("0-b22222-0000000000000000003"));
put.addColumn(FAMILY, QUALIFIER, VALUE);
ht.put(put);
put = new Put(Bytes.toBytes("0-b22222-0000000000000000005"));
put.addColumn(FAMILY, QUALIFIER, VALUE);
ht.put(put);
put = new Put(Bytes.toBytes("0-b22222-0000000000000000007"));
put.addColumn(FAMILY, QUALIFIER, VALUE);
ht.put(put);
put = new Put(Bytes.toBytes("0-b22222-0000000000000000009"));
put.addColumn(FAMILY, QUALIFIER, VALUE);
ht.put(put);
Scan scan = new Scan().withStartRow(Bytes.toBytes("0-b11111-9223372036854775807"))
.withStopRow(Bytes.toBytes("0-b11111-0000000000000000000"), true);
scan.setReversed(true);
try (ResultScanner scanner = ht.getScanner(scan)) {
Result result = scanner.next();
assertTrue(Bytes.equals(result.getRow(),
Bytes.toBytes("0-b11111-0000000000000000008")));
}
}
}
@Test
public void testFiltersWithReverseScan() throws Exception {
final TableName tableName = name.getTableName();
try (Table ht = TEST_UTIL.createTable(tableName, FAMILY)) {
byte[][] ROWS = makeN(ROW, 10);
byte[][] QUALIFIERS = {Bytes.toBytes("col0-<d2v1>-<d3v2>"),
Bytes.toBytes("col1-<d2v1>-<d3v2>"),
Bytes.toBytes("col2-<d2v1>-<d3v2>"),
Bytes.toBytes("col3-<d2v1>-<d3v2>"),
Bytes.toBytes("col4-<d2v1>-<d3v2>"),
Bytes.toBytes("col5-<d2v1>-<d3v2>"),
Bytes.toBytes("col6-<d2v1>-<d3v2>"),
Bytes.toBytes("col7-<d2v1>-<d3v2>"),
Bytes.toBytes("col8-<d2v1>-<d3v2>"),
Bytes.toBytes("col9-<d2v1>-<d3v2>")};
for (int i = 0; i < 10; i++) {
Put put = new Put(ROWS[i]);
put.addColumn(FAMILY, QUALIFIERS[i], VALUE);
ht.put(put);
}
Scan scan = new Scan();
scan.setReversed(true);
scan.addFamily(FAMILY);
Filter filter = new QualifierFilter(CompareOperator.EQUAL,
new RegexStringComparator("col[1-5]"));
scan.setFilter(filter);
try (ResultScanner scanner = ht.getScanner(scan)) {
int expectedIndex = 5;
for (Result result : scanner) {
assertEquals(1, result.size());
Cell c = result.rawCells()[0];
assertTrue(Bytes.equals(c.getRowArray(), c.getRowOffset(), c.getRowLength(),
ROWS[expectedIndex], 0, ROWS[expectedIndex].length));
assertTrue(Bytes.equals(c.getQualifierArray(), c.getQualifierOffset(),
c.getQualifierLength(), QUALIFIERS[expectedIndex], 0,
QUALIFIERS[expectedIndex].length));
expectedIndex--;
}
assertEquals(0, expectedIndex);
}
}
}
@Test
public void testKeyOnlyFilterWithReverseScan() throws Exception {
final TableName tableName = name.getTableName();
try (Table ht = TEST_UTIL.createTable(tableName, FAMILY)) {
byte[][] ROWS = makeN(ROW, 10);
byte[][] QUALIFIERS = {Bytes.toBytes("col0-<d2v1>-<d3v2>"),
Bytes.toBytes("col1-<d2v1>-<d3v2>"),
Bytes.toBytes("col2-<d2v1>-<d3v2>"),
Bytes.toBytes("col3-<d2v1>-<d3v2>"),
Bytes.toBytes("col4-<d2v1>-<d3v2>"),
Bytes.toBytes("col5-<d2v1>-<d3v2>"),
Bytes.toBytes("col6-<d2v1>-<d3v2>"),
Bytes.toBytes("col7-<d2v1>-<d3v2>"),
Bytes.toBytes("col8-<d2v1>-<d3v2>"),
Bytes.toBytes("col9-<d2v1>-<d3v2>")};
for (int i = 0; i < 10; i++) {
Put put = new Put(ROWS[i]);
put.addColumn(FAMILY, QUALIFIERS[i], VALUE);
ht.put(put);
}
Scan scan = new Scan();
scan.setReversed(true);
scan.addFamily(FAMILY);
Filter filter = new KeyOnlyFilter(true);
scan.setFilter(filter);
try (ResultScanner ignored = ht.getScanner(scan)) {
int count = 0;
for (Result result : ht.getScanner(scan)) {
assertEquals(1, result.size());
assertEquals(Bytes.SIZEOF_INT, result.rawCells()[0].getValueLength());
assertEquals(VALUE.length, Bytes.toInt(CellUtil.cloneValue(result.rawCells()[0])));
count++;
}
assertEquals(10, count);
}
}
}
/**
* Test simple table and non-existent row cases.
*/
@Test
public void testSimpleMissingWithReverseScan() throws Exception {
final TableName tableName = name.getTableName();
try (Table ht = TEST_UTIL.createTable(tableName, FAMILY)) {
byte[][] ROWS = makeN(ROW, 4);
// Try to get a row on an empty table
Scan scan = new Scan();
scan.setReversed(true);
Result result = getSingleScanResult(ht, scan);
assertNullResult(result);
scan = new Scan().withStartRow(ROWS[0]);
scan.setReversed(true);
result = getSingleScanResult(ht, scan);
assertNullResult(result);
scan = new Scan().withStartRow(ROWS[0]).withStopRow(ROWS[1], true);
scan.setReversed(true);
result = getSingleScanResult(ht, scan);
assertNullResult(result);
scan = new Scan();
scan.setReversed(true);
scan.addFamily(FAMILY);
result = getSingleScanResult(ht, scan);
assertNullResult(result);
scan = new Scan();
scan.setReversed(true);
scan.addColumn(FAMILY, QUALIFIER);
result = getSingleScanResult(ht, scan);
assertNullResult(result);
// Insert a row
Put put = new Put(ROWS[2]);
put.addColumn(FAMILY, QUALIFIER, VALUE);
ht.put(put);
// Make sure we can scan the row
scan = new Scan();
scan.setReversed(true);
result = getSingleScanResult(ht, scan);
assertSingleResult(result, ROWS[2], FAMILY, QUALIFIER, VALUE);
scan = new Scan().withStartRow(ROWS[3]).withStopRow(ROWS[0], true);
scan.setReversed(true);
result = getSingleScanResult(ht, scan);
assertSingleResult(result, ROWS[2], FAMILY, QUALIFIER, VALUE);
scan = new Scan().withStartRow(ROWS[2]).withStopRow(ROWS[1], true);
scan.setReversed(true);
result = getSingleScanResult(ht, scan);
assertSingleResult(result, ROWS[2], FAMILY, QUALIFIER, VALUE);
// Try to scan empty rows around it
// Introduced MemStore#shouldSeekForReverseScan to fix the following
scan = new Scan().withStartRow(ROWS[1]);
scan.setReversed(true);
result = getSingleScanResult(ht, scan);
assertNullResult(result);
}
}
@Test
public void testNullWithReverseScan() throws Exception {
final TableName tableName = name.getTableName();
try (Table ht = TEST_UTIL.createTable(tableName, FAMILY)) {
// Null qualifier (should work)
Put put = new Put(ROW);
put.addColumn(FAMILY, null, VALUE);
ht.put(put);
scanTestNull(ht, ROW, FAMILY, VALUE, true);
Delete delete = new Delete(ROW);
delete.addColumns(FAMILY, null);
ht.delete(delete);
}
// Use a new table
try (Table ht =
TEST_UTIL.createTable(TableName.valueOf(name.getTableName().toString() + "2"), FAMILY)) {
// Empty qualifier, byte[0] instead of null (should work)
Put put = new Put(ROW);
put.addColumn(FAMILY, HConstants.EMPTY_BYTE_ARRAY, VALUE);
ht.put(put);
scanTestNull(ht, ROW, FAMILY, VALUE, true);
TEST_UTIL.flush();
scanTestNull(ht, ROW, FAMILY, VALUE, true);
Delete delete = new Delete(ROW);
delete.addColumns(FAMILY, HConstants.EMPTY_BYTE_ARRAY);
ht.delete(delete);
// Null value
put = new Put(ROW);
put.addColumn(FAMILY, QUALIFIER, null);
ht.put(put);
Scan scan = new Scan();
scan.setReversed(true);
scan.addColumn(FAMILY, QUALIFIER);
Result result = getSingleScanResult(ht, scan);
assertSingleResult(result, ROW, FAMILY, QUALIFIER, null);
}
}
@Test
@SuppressWarnings("checkstyle:MethodLength")
public void testDeletesWithReverseScan() throws Exception {
final TableName tableName = name.getTableName();
byte[][] ROWS = makeNAscii(ROW, 6);
byte[][] FAMILIES = makeNAscii(FAMILY, 3);
byte[][] VALUES = makeN(VALUE, 5);
long[] ts = { 1000, 2000, 3000, 4000, 5000 };
try (Table ht = TEST_UTIL.createTable(tableName, FAMILIES, 3)) {
Put put = new Put(ROW);
put.addColumn(FAMILIES[0], QUALIFIER, ts[0], VALUES[0]);
put.addColumn(FAMILIES[0], QUALIFIER, ts[1], VALUES[1]);
ht.put(put);
Delete delete = new Delete(ROW);
delete.addFamily(FAMILIES[0], ts[0]);
ht.delete(delete);
Scan scan = new Scan().withStartRow(ROW);
scan.setReversed(true);
scan.addFamily(FAMILIES[0]);
scan.readVersions(Integer.MAX_VALUE);
Result result = getSingleScanResult(ht, scan);
assertNResult(result, ROW, FAMILIES[0], QUALIFIER, new long[]{ts[1]},
new byte[][]{VALUES[1]}, 0, 0);
// Test delete latest version
put = new Put(ROW);
put.addColumn(FAMILIES[0], QUALIFIER, ts[4], VALUES[4]);
put.addColumn(FAMILIES[0], QUALIFIER, ts[2], VALUES[2]);
put.addColumn(FAMILIES[0], QUALIFIER, ts[3], VALUES[3]);
put.addColumn(FAMILIES[0], null, ts[4], VALUES[4]);
put.addColumn(FAMILIES[0], null, ts[2], VALUES[2]);
put.addColumn(FAMILIES[0], null, ts[3], VALUES[3]);
ht.put(put);
delete = new Delete(ROW);
delete.addColumn(FAMILIES[0], QUALIFIER); // ts[4]
ht.delete(delete);
scan = new Scan().withStartRow(ROW);
scan.setReversed(true);
scan.addColumn(FAMILIES[0], QUALIFIER);
scan.readVersions(Integer.MAX_VALUE);
result = getSingleScanResult(ht, scan);
assertNResult(result, ROW, FAMILIES[0], QUALIFIER, new long[]{ts[1],
ts[2], ts[3]}, new byte[][]{VALUES[1], VALUES[2], VALUES[3]}, 0, 2);
// Test for HBASE-1847
delete = new Delete(ROW);
delete.addColumn(FAMILIES[0], null);
ht.delete(delete);
// Cleanup null qualifier
delete = new Delete(ROW);
delete.addColumns(FAMILIES[0], null);
ht.delete(delete);
// Expected client behavior might be that you can re-put deleted values
// But alas, this is not to be. We can't put them back in either case.
put = new Put(ROW);
put.addColumn(FAMILIES[0], QUALIFIER, ts[0], VALUES[0]);
put.addColumn(FAMILIES[0], QUALIFIER, ts[4], VALUES[4]);
ht.put(put);
// The Scanner returns the previous values, the expected-naive-unexpected
// behavior
scan = new Scan().withStartRow(ROW);
scan.setReversed(true);
scan.addFamily(FAMILIES[0]);
scan.readVersions(Integer.MAX_VALUE);
result = getSingleScanResult(ht, scan);
assertNResult(result, ROW, FAMILIES[0], QUALIFIER, new long[]{ts[1],
ts[2], ts[3]}, new byte[][]{VALUES[1], VALUES[2], VALUES[3]}, 0, 2);
// Test deleting an entire family from one row but not the other various
// ways
put = new Put(ROWS[0]);
put.addColumn(FAMILIES[1], QUALIFIER, ts[0], VALUES[0]);
put.addColumn(FAMILIES[1], QUALIFIER, ts[1], VALUES[1]);
put.addColumn(FAMILIES[2], QUALIFIER, ts[2], VALUES[2]);
put.addColumn(FAMILIES[2], QUALIFIER, ts[3], VALUES[3]);
ht.put(put);
put = new Put(ROWS[1]);
put.addColumn(FAMILIES[1], QUALIFIER, ts[0], VALUES[0]);
put.addColumn(FAMILIES[1], QUALIFIER, ts[1], VALUES[1]);
put.addColumn(FAMILIES[2], QUALIFIER, ts[2], VALUES[2]);
put.addColumn(FAMILIES[2], QUALIFIER, ts[3], VALUES[3]);
ht.put(put);
put = new Put(ROWS[2]);
put.addColumn(FAMILIES[1], QUALIFIER, ts[0], VALUES[0]);
put.addColumn(FAMILIES[1], QUALIFIER, ts[1], VALUES[1]);
put.addColumn(FAMILIES[2], QUALIFIER, ts[2], VALUES[2]);
put.addColumn(FAMILIES[2], QUALIFIER, ts[3], VALUES[3]);
ht.put(put);
delete = new Delete(ROWS[0]);
delete.addFamily(FAMILIES[2]);
ht.delete(delete);
delete = new Delete(ROWS[1]);
delete.addColumns(FAMILIES[1], QUALIFIER);
ht.delete(delete);
delete = new Delete(ROWS[2]);
delete.addColumn(FAMILIES[1], QUALIFIER);
delete.addColumn(FAMILIES[1], QUALIFIER);
delete.addColumn(FAMILIES[2], QUALIFIER);
ht.delete(delete);
scan = new Scan().withStartRow(ROWS[0]);
scan.setReversed(true);
scan.addFamily(FAMILIES[1]);
scan.addFamily(FAMILIES[2]);
scan.readVersions(Integer.MAX_VALUE);
result = getSingleScanResult(ht, scan);
assertEquals("Expected 2 keys but received " + result.size(), 2, result.size());
assertNResult(result, ROWS[0], FAMILIES[1], QUALIFIER, new long[]{ts[0],
ts[1]}, new byte[][]{VALUES[0], VALUES[1]}, 0, 1);
scan = new Scan().withStartRow(ROWS[1]);
scan.setReversed(true);
scan.addFamily(FAMILIES[1]);
scan.addFamily(FAMILIES[2]);
scan.readVersions(Integer.MAX_VALUE);
result = getSingleScanResult(ht, scan);
assertEquals("Expected 2 keys but received " + result.size(), 2, result.size());
scan = new Scan().withStartRow(ROWS[2]);
scan.setReversed(true);
scan.addFamily(FAMILIES[1]);
scan.addFamily(FAMILIES[2]);
scan.readVersions(Integer.MAX_VALUE);
result = getSingleScanResult(ht, scan);
assertEquals(1, result.size());
assertNResult(result, ROWS[2], FAMILIES[2], QUALIFIER,
new long[]{ts[2]}, new byte[][]{VALUES[2]}, 0, 0);
// Test if we delete the family first in one row (HBASE-1541)
delete = new Delete(ROWS[3]);
delete.addFamily(FAMILIES[1]);
ht.delete(delete);
put = new Put(ROWS[3]);
put.addColumn(FAMILIES[2], QUALIFIER, VALUES[0]);
ht.put(put);
put = new Put(ROWS[4]);
put.addColumn(FAMILIES[1], QUALIFIER, VALUES[1]);
put.addColumn(FAMILIES[2], QUALIFIER, VALUES[2]);
ht.put(put);
scan = new Scan().withStartRow(ROWS[4]);
scan.setReversed(true);
scan.addFamily(FAMILIES[1]);
scan.addFamily(FAMILIES[2]);
scan.readVersions(Integer.MAX_VALUE);
ResultScanner scanner = ht.getScanner(scan);
result = scanner.next();
assertEquals("Expected 2 keys but received " + result.size(), 2, result.size());
assertTrue(Bytes.equals(CellUtil.cloneRow(result.rawCells()[0]), ROWS[4]));
assertTrue(Bytes.equals(CellUtil.cloneRow(result.rawCells()[1]), ROWS[4]));
assertTrue(Bytes.equals(CellUtil.cloneValue(result.rawCells()[0]), VALUES[1]));
assertTrue(Bytes.equals(CellUtil.cloneValue(result.rawCells()[1]), VALUES[2]));
result = scanner.next();
assertEquals("Expected 1 key but received " + result.size(), 1, result.size());
assertTrue(Bytes.equals(CellUtil.cloneRow(result.rawCells()[0]), ROWS[3]));
assertTrue(Bytes.equals(CellUtil.cloneValue(result.rawCells()[0]), VALUES[0]));
scanner.close();
}
}
/**
* Tests reversed scan under multi regions
*/
@Test
public void testReversedScanUnderMultiRegions() throws Exception {
// Test Initialization.
final TableName tableName = name.getTableName();
byte[] maxByteArray = ConnectionUtils.MAX_BYTE_ARRAY;
byte[][] splitRows = new byte[][] { Bytes.toBytes("005"),
Bytes.add(Bytes.toBytes("005"), Bytes.multiple(maxByteArray, 16)),
Bytes.toBytes("006"),
Bytes.add(Bytes.toBytes("006"), Bytes.multiple(maxByteArray, 8)),
Bytes.toBytes("007"),
Bytes.add(Bytes.toBytes("007"), Bytes.multiple(maxByteArray, 4)),
Bytes.toBytes("008"), Bytes.multiple(maxByteArray, 2) };
try (Table table = TEST_UTIL.createTable(tableName, FAMILY, splitRows)) {
TEST_UTIL.waitUntilAllRegionsAssigned(table.getName());
try (RegionLocator l = TEST_UTIL.getConnection().getRegionLocator(tableName)) {
assertEquals(splitRows.length + 1, l.getAllRegionLocations().size());
}
// Insert one row each region
int insertNum = splitRows.length;
for (byte[] splitRow : splitRows) {
Put put = new Put(splitRow);
put.addColumn(FAMILY, QUALIFIER, VALUE);
table.put(put);
}
// scan forward
try (ResultScanner scanner = table.getScanner(new Scan())) {
int count = 0;
for (Result r : scanner) {
assertFalse(r.isEmpty());
count++;
}
assertEquals(insertNum, count);
}
// scan backward
Scan scan = new Scan();
scan.setReversed(true);
try (ResultScanner scanner = table.getScanner(scan)) {
int count = 0;
byte[] lastRow = null;
for (Result r : scanner) {
assertFalse(r.isEmpty());
count++;
byte[] thisRow = r.getRow();
if (lastRow != null) {
assertTrue("Error scan order, last row= " + Bytes.toString(lastRow)
+ ",this row=" + Bytes.toString(thisRow),
Bytes.compareTo(thisRow, lastRow) < 0);
}
lastRow = thisRow;
}
assertEquals(insertNum, count);
}
}
}
/**
* Tests reversed scan under multi regions
*/
@Test
public void testSmallReversedScanUnderMultiRegions() throws Exception {
// Test Initialization.
final TableName tableName = name.getTableName();
byte[][] splitRows = new byte[][]{
Bytes.toBytes("000"), Bytes.toBytes("002"), Bytes.toBytes("004"),
Bytes.toBytes("006"), Bytes.toBytes("008"), Bytes.toBytes("010")};
try (Table table = TEST_UTIL.createTable(tableName, FAMILY, splitRows)) {
TEST_UTIL.waitUntilAllRegionsAssigned(table.getName());
try (RegionLocator l = TEST_UTIL.getConnection().getRegionLocator(tableName)) {
assertEquals(splitRows.length + 1, l.getAllRegionLocations().size());
}
for (byte[] splitRow : splitRows) {
Put put = new Put(splitRow);
put.addColumn(FAMILY, QUALIFIER, VALUE);
table.put(put);
byte[] nextRow = Bytes.copy(splitRow);
nextRow[nextRow.length - 1]++;
put = new Put(nextRow);
put.addColumn(FAMILY, QUALIFIER, VALUE);
table.put(put);
}
// scan forward
try (ResultScanner scanner = table.getScanner(new Scan())) {
int count = 0;
for (Result r : scanner) {
assertTrue(!r.isEmpty());
count++;
}
assertEquals(12, count);
}
reverseScanTest(table, false);
reverseScanTest(table, true);
}
}
private void reverseScanTest(Table table, boolean small) throws IOException {
// scan backward
Scan scan = new Scan();
scan.setReversed(true);
try (ResultScanner scanner = table.getScanner(scan)) {
int count = 0;
byte[] lastRow = null;
for (Result r : scanner) {
assertTrue(!r.isEmpty());
count++;
byte[] thisRow = r.getRow();
if (lastRow != null) {
assertTrue("Error scan order, last row= " + Bytes.toString(lastRow)
+ ",this row=" + Bytes.toString(thisRow),
Bytes.compareTo(thisRow, lastRow) < 0);
}
lastRow = thisRow;
}
assertEquals(12, count);
}
scan = new Scan();
scan.setSmall(small);
scan.setReversed(true);
scan.withStartRow(Bytes.toBytes("002"));
try (ResultScanner scanner = table.getScanner(scan)) {
int count = 0;
byte[] lastRow = null;
for (Result r : scanner) {
assertTrue(!r.isEmpty());
count++;
byte[] thisRow = r.getRow();
if (lastRow != null) {
assertTrue("Error scan order, last row= " + Bytes.toString(lastRow)
+ ",this row=" + Bytes.toString(thisRow),
Bytes.compareTo(thisRow, lastRow) < 0);
}
lastRow = thisRow;
}
assertEquals(3, count); // 000 001 002
}
scan = new Scan();
scan.setSmall(small);
scan.setReversed(true);
scan.withStartRow(Bytes.toBytes("002"));
scan.withStopRow(Bytes.toBytes("000"));
try (ResultScanner scanner = table.getScanner(scan)) {
int count = 0;
byte[] lastRow = null;
for (Result r : scanner) {
assertFalse(r.isEmpty());
count++;
byte[] thisRow = r.getRow();
if (lastRow != null) {
assertTrue("Error scan order, last row= " + Bytes.toString(lastRow)
+ ",this row=" + Bytes.toString(thisRow),
Bytes.compareTo(thisRow, lastRow) < 0);
}
lastRow = thisRow;
}
assertEquals(2, count); // 001 002
}
scan = new Scan();
scan.setSmall(small);
scan.setReversed(true);
scan.withStartRow(Bytes.toBytes("001"));
try (ResultScanner scanner = table.getScanner(scan)) {
int count = 0;
byte[] lastRow = null;
for (Result r : scanner) {
assertFalse(r.isEmpty());
count++;
byte[] thisRow = r.getRow();
if (lastRow != null) {
assertTrue("Error scan order, last row= " + Bytes.toString(lastRow)
+ ",this row=" + Bytes.toString(thisRow),
Bytes.compareTo(thisRow, lastRow) < 0);
}
lastRow = thisRow;
}
assertEquals(2, count); // 000 001
}
scan = new Scan();
scan.setSmall(small);
scan.setReversed(true);
scan.withStartRow(Bytes.toBytes("000"));
try (ResultScanner scanner = table.getScanner(scan)) {
int count = 0;
byte[] lastRow = null;
for (Result r : scanner) {
assertFalse(r.isEmpty());
count++;
byte[] thisRow = r.getRow();
if (lastRow != null) {
assertTrue("Error scan order, last row= " + Bytes.toString(lastRow)
+ ",this row=" + Bytes.toString(thisRow),
Bytes.compareTo(thisRow, lastRow) < 0);
}
lastRow = thisRow;
}
assertEquals(1, count); // 000
}
scan = new Scan();
scan.setSmall(small);
scan.setReversed(true);
scan.withStartRow(Bytes.toBytes("006"));
scan.withStopRow(Bytes.toBytes("002"));
try (ResultScanner scanner = table.getScanner(scan)) {
int count = 0;
byte[] lastRow = null;
for (Result r : scanner) {
assertFalse(r.isEmpty());
count++;
byte[] thisRow = r.getRow();
if (lastRow != null) {
assertTrue("Error scan order, last row= " + Bytes.toString(lastRow)
+ ",this row=" + Bytes.toString(thisRow),
Bytes.compareTo(thisRow, lastRow) < 0);
}
lastRow = thisRow;
}
assertEquals(4, count); // 003 004 005 006
}
}
@Test
public void testFilterAllRecords() throws IOException {
Scan scan = new Scan();
scan.setBatch(1);
scan.setCaching(1);
// Filter out any records
scan.setFilter(new FilterList(new FirstKeyOnlyFilter(), new InclusiveStopFilter(new byte[0])));
try (Table table = TEST_UTIL.getConnection().getTable(TableName.META_TABLE_NAME)) {
try (ResultScanner s = table.getScanner(scan)) {
assertNull(s.next());
}
}
}
@Test
public void testCellSizeLimit() throws IOException {
final TableName tableName = name.getTableName();
TableDescriptor tableDescriptor = TableDescriptorBuilder.newBuilder(tableName)
.setValue(HRegion.HBASE_MAX_CELL_SIZE_KEY, Integer.toString(10 * 1024))
.setColumnFamily(ColumnFamilyDescriptorBuilder.of(FAMILY)).build();
try (Admin admin = TEST_UTIL.getAdmin()) {
admin.createTable(tableDescriptor);
}
// Will succeed
try (Table t = TEST_UTIL.getConnection().getTable(tableName)) {
t.put(new Put(ROW).addColumn(FAMILY, QUALIFIER, Bytes.toBytes(0L)));
t.increment(new Increment(ROW).addColumn(FAMILY, QUALIFIER, 1L));
}
// Will succeed
try (Table t = TEST_UTIL.getConnection().getTable(tableName)) {
t.put(new Put(ROW).addColumn(FAMILY, QUALIFIER, new byte[9*1024]));
}
// Will fail
try (Table t = TEST_UTIL.getConnection().getTable(tableName)) {
try {
t.put(new Put(ROW).addColumn(FAMILY, QUALIFIER, new byte[10 * 1024]));
fail("Oversize cell failed to trigger exception");
} catch (IOException e) {
// expected
}
try {
t.append(new Append(ROW).addColumn(FAMILY, QUALIFIER, new byte[2 * 1024]));
fail("Oversize cell failed to trigger exception");
} catch (IOException e) {
// expected
}
}
}
@Test
public void testCellSizeNoLimit() throws IOException {
final TableName tableName = name.getTableName();
TableDescriptor tableDescriptor = TableDescriptorBuilder.newBuilder(tableName)
.setValue(HRegion.HBASE_MAX_CELL_SIZE_KEY, Integer.toString(0))
.setColumnFamily(ColumnFamilyDescriptorBuilder.of(FAMILY)).build();
try (Admin admin = TEST_UTIL.getAdmin()) {
admin.createTable(tableDescriptor);
}
// Will succeed
try (Table ht = TEST_UTIL.getConnection().getTable(tableName)) {
ht.put(new Put(ROW).addColumn(FAMILY, QUALIFIER, new byte[HRegion.DEFAULT_MAX_CELL_SIZE -
1024]));
ht.append(new Append(ROW).addColumn(FAMILY, QUALIFIER, new byte[1024 + 1]));
}
}
@Test
public void testDeleteSpecifiedVersionOfSpecifiedColumn() throws Exception {
final TableName tableName = name.getTableName();
byte[][] VALUES = makeN(VALUE, 5);
long[] ts = {1000, 2000, 3000, 4000, 5000};
try (Table ht = TEST_UTIL.createTable(tableName, FAMILY, 5)) {
Put put = new Put(ROW);
// Put version 1000,2000,3000,4000 of column FAMILY:QUALIFIER
for (int t = 0; t < 4; t++) {
put.addColumn(FAMILY, QUALIFIER, ts[t], VALUES[t]);
}
ht.put(put);
Delete delete = new Delete(ROW);
// Delete version 3000 of column FAMILY:QUALIFIER
delete.addColumn(FAMILY, QUALIFIER, ts[2]);
ht.delete(delete);
Get get = new Get(ROW);
get.addColumn(FAMILY, QUALIFIER);
get.readVersions(Integer.MAX_VALUE);
Result result = ht.get(get);
// verify version 1000,2000,4000 remains for column FAMILY:QUALIFIER
assertNResult(result, ROW, FAMILY, QUALIFIER, new long[]{ts[0], ts[1], ts[3]}, new byte[][]{
VALUES[0], VALUES[1], VALUES[3]}, 0, 2);
delete = new Delete(ROW);
// Delete a version 5000 of column FAMILY:QUALIFIER which didn't exist
delete.addColumn(FAMILY, QUALIFIER, ts[4]);
ht.delete(delete);
get = new Get(ROW);
get.addColumn(FAMILY, QUALIFIER);
get.readVersions(Integer.MAX_VALUE);
result = ht.get(get);
// verify version 1000,2000,4000 remains for column FAMILY:QUALIFIER
assertNResult(result, ROW, FAMILY, QUALIFIER, new long[]{ts[0], ts[1], ts[3]}, new byte[][]{
VALUES[0], VALUES[1], VALUES[3]}, 0, 2);
}
}
@Test
public void testDeleteLatestVersionOfSpecifiedColumn() throws Exception {
final TableName tableName = name.getTableName();
byte[][] VALUES = makeN(VALUE, 5);
long[] ts = {1000, 2000, 3000, 4000, 5000};
try (Table ht = TEST_UTIL.createTable(tableName, FAMILY, 5)) {
Put put = new Put(ROW);
// Put version 1000,2000,3000,4000 of column FAMILY:QUALIFIER
for (int t = 0; t < 4; t++) {
put.addColumn(FAMILY, QUALIFIER, ts[t], VALUES[t]);
}
ht.put(put);
Delete delete = new Delete(ROW);
// Delete latest version of column FAMILY:QUALIFIER
delete.addColumn(FAMILY, QUALIFIER);
ht.delete(delete);
Get get = new Get(ROW);
get.addColumn(FAMILY, QUALIFIER);
get.readVersions(Integer.MAX_VALUE);
Result result = ht.get(get);
// verify version 1000,2000,3000 remains for column FAMILY:QUALIFIER
assertNResult(result, ROW, FAMILY, QUALIFIER, new long[]{ts[0], ts[1], ts[2]}, new byte[][]{
VALUES[0], VALUES[1], VALUES[2]}, 0, 2);
delete = new Delete(ROW);
// Delete two latest version of column FAMILY:QUALIFIER
delete.addColumn(FAMILY, QUALIFIER);
delete.addColumn(FAMILY, QUALIFIER);
ht.delete(delete);
get = new Get(ROW);
get.addColumn(FAMILY, QUALIFIER);
get.readVersions(Integer.MAX_VALUE);
result = ht.get(get);
// verify version 1000 remains for column FAMILY:QUALIFIER
assertNResult(result, ROW, FAMILY, QUALIFIER, new long[]{ts[0]}, new byte[][]{VALUES[0]},
0, 0);
put = new Put(ROW);
// Put a version 5000 of column FAMILY:QUALIFIER
put.addColumn(FAMILY, QUALIFIER, ts[4], VALUES[4]);
ht.put(put);
get = new Get(ROW);
get.addColumn(FAMILY, QUALIFIER);
get.readVersions(Integer.MAX_VALUE);
result = ht.get(get);
// verify version 1000,5000 remains for column FAMILY:QUALIFIER
assertNResult(result, ROW, FAMILY, QUALIFIER, new long[]{ts[0], ts[4]}, new byte[][]{
VALUES[0], VALUES[4]}, 0, 1);
}
}
/**
* Test for HBASE-17125
*/
@Test
public void testReadWithFilter() throws Exception {
final TableName tableName = name.getTableName();
try (Table table = TEST_UTIL.createTable(tableName, FAMILY, 3)) {
byte[] VALUEA = Bytes.toBytes("value-a");
byte[] VALUEB = Bytes.toBytes("value-b");
long[] ts = {1000, 2000, 3000, 4000};
Put put = new Put(ROW);
// Put version 1000,2000,3000,4000 of column FAMILY:QUALIFIER
for (int t = 0; t <= 3; t++) {
if (t <= 1) {
put.addColumn(FAMILY, QUALIFIER, ts[t], VALUEA);
} else {
put.addColumn(FAMILY, QUALIFIER, ts[t], VALUEB);
}
}
table.put(put);
Scan scan =
new Scan().setFilter(new ValueFilter(CompareOperator.EQUAL,
new SubstringComparator("value-a")))
.readVersions(3);
ResultScanner scanner = table.getScanner(scan);
Result result = scanner.next();
// ts[0] has gone from user view. Only read ts[2] which value is less or equal to 3
assertNResult(result, ROW, FAMILY, QUALIFIER, new long[]{ts[1]}, new byte[][]{VALUEA}, 0,
0);
Get get =
new Get(ROW)
.setFilter(new ValueFilter(CompareOperator.EQUAL,
new SubstringComparator("value-a")))
.readVersions(3);
result = table.get(get);
// ts[0] has gone from user view. Only read ts[2] which value is less or equal to 3
assertNResult(result, ROW, FAMILY, QUALIFIER, new long[]{ts[1]}, new byte[][]{VALUEA}, 0,
0);
// Test with max versions 1, it should still read ts[1]
scan =
new Scan().setFilter(new ValueFilter(CompareOperator.EQUAL,
new SubstringComparator("value-a")))
.readVersions(1);
scanner = table.getScanner(scan);
result = scanner.next();
// ts[0] has gone from user view. Only read ts[2] which value is less or equal to 3
assertNResult(result, ROW, FAMILY, QUALIFIER, new long[]{ts[1]}, new byte[][]{VALUEA}, 0,
0);
// Test with max versions 1, it should still read ts[1]
get =
new Get(ROW)
.setFilter(new ValueFilter(CompareOperator.EQUAL,
new SubstringComparator("value-a")))
.readVersions(1);
result = table.get(get);
// ts[0] has gone from user view. Only read ts[2] which value is less or equal to 3
assertNResult(result, ROW, FAMILY, QUALIFIER, new long[]{ts[1]}, new byte[][]{VALUEA}, 0,
0);
// Test with max versions 5, it should still read ts[1]
scan =
new Scan().setFilter(new ValueFilter(CompareOperator.EQUAL,
new SubstringComparator("value-a")))
.readVersions(5);
scanner = table.getScanner(scan);
result = scanner.next();
// ts[0] has gone from user view. Only read ts[2] which value is less or equal to 3
assertNResult(result, ROW, FAMILY, QUALIFIER, new long[]{ts[1]}, new byte[][]{VALUEA}, 0,
0);
// Test with max versions 5, it should still read ts[1]
get =
new Get(ROW)
.setFilter(new ValueFilter(CompareOperator.EQUAL,
new SubstringComparator("value-a")))
.readVersions(5);
result = table.get(get);
// ts[0] has gone from user view. Only read ts[2] which value is less or equal to 3
assertNResult(result, ROW, FAMILY, QUALIFIER, new long[]{ts[1]}, new byte[][]{VALUEA}, 0,
0);
}
}
@Test
public void testCellUtilTypeMethods() throws IOException {
final TableName tableName = name.getTableName();
try (Table table = TEST_UTIL.createTable(tableName, FAMILY)) {
final byte[] row = Bytes.toBytes("p");
Put p = new Put(row);
p.addColumn(FAMILY, QUALIFIER, VALUE);
table.put(p);
try (ResultScanner scanner = table.getScanner(new Scan())) {
Result result = scanner.next();
assertNotNull(result);
CellScanner cs = result.cellScanner();
assertTrue(cs.advance());
Cell c = cs.current();
assertTrue(CellUtil.isPut(c));
assertFalse(CellUtil.isDelete(c));
assertFalse(cs.advance());
assertNull(scanner.next());
}
Delete d = new Delete(row);
d.addColumn(FAMILY, QUALIFIER);
table.delete(d);
Scan scan = new Scan();
scan.setRaw(true);
try (ResultScanner scanner = table.getScanner(scan)) {
Result result = scanner.next();
assertNotNull(result);
CellScanner cs = result.cellScanner();
assertTrue(cs.advance());
// First cell should be the delete (masking the Put)
Cell c = cs.current();
assertTrue("Cell should be a Delete: " + c, CellUtil.isDelete(c));
assertFalse("Cell should not be a Put: " + c, CellUtil.isPut(c));
// Second cell should be the original Put
assertTrue(cs.advance());
c = cs.current();
assertFalse("Cell should not be a Delete: " + c, CellUtil.isDelete(c));
assertTrue("Cell should be a Put: " + c, CellUtil.isPut(c));
// No more cells in this row
assertFalse(cs.advance());
// No more results in this scan
assertNull(scanner.next());
}
}
}
@Test(expected = DoNotRetryIOException.class)
public void testCreateTableWithZeroRegionReplicas() throws Exception {
TableName tableName = name.getTableName();
TableDescriptor desc = TableDescriptorBuilder.newBuilder(tableName)
.setColumnFamily(ColumnFamilyDescriptorBuilder.of(Bytes.toBytes("cf")))
.setRegionReplication(0)
.build();
TEST_UTIL.getAdmin().createTable(desc);
}
@Test(expected = DoNotRetryIOException.class)
public void testModifyTableWithZeroRegionReplicas() throws Exception {
TableName tableName = name.getTableName();
TableDescriptor desc = TableDescriptorBuilder.newBuilder(tableName)
.setColumnFamily(ColumnFamilyDescriptorBuilder.of(Bytes.toBytes("cf")))
.build();
TEST_UTIL.getAdmin().createTable(desc);
TableDescriptor newDesc = TableDescriptorBuilder.newBuilder(desc)
.setRegionReplication(0)
.build();
TEST_UTIL.getAdmin().modifyTable(newDesc);
}
@Test(timeout = 60000)
public void testModifyTableWithMemstoreData() throws Exception {
TableName tableName = name.getTableName();
createTableAndValidateTableSchemaModification(tableName, true);
}
@Test(timeout = 60000)
public void testDeleteCFWithMemstoreData() throws Exception {
TableName tableName = name.getTableName();
createTableAndValidateTableSchemaModification(tableName, false);
}
/**
* Create table and validate online schema modification
* @param tableName Table name
* @param modifyTable Modify table if true otherwise delete column family
* @throws IOException in case of failures
*/
private void createTableAndValidateTableSchemaModification(TableName tableName,
boolean modifyTable) throws Exception {
Admin admin = TEST_UTIL.getAdmin();
// Create table with two Cfs
byte[] cf1 = Bytes.toBytes("cf1");
byte[] cf2 = Bytes.toBytes("cf2");
TableDescriptor tableDesc = TableDescriptorBuilder.newBuilder(tableName)
.setColumnFamily(ColumnFamilyDescriptorBuilder.of(cf1))
.setColumnFamily(ColumnFamilyDescriptorBuilder.of(cf2)).build();
admin.createTable(tableDesc);
Table t = TEST_UTIL.getConnection().getTable(tableName);
// Insert few records and flush the table
t.put(new Put(ROW).addColumn(cf1, QUALIFIER, Bytes.toBytes("val1")));
t.put(new Put(ROW).addColumn(cf2, QUALIFIER, Bytes.toBytes("val2")));
admin.flush(tableName);
Path tableDir = CommonFSUtils.getTableDir(TEST_UTIL.getDefaultRootDirPath(), tableName);
List<Path> regionDirs = FSUtils.getRegionDirs(TEST_UTIL.getTestFileSystem(), tableDir);
assertEquals(1, regionDirs.size());
List<Path> familyDirs = FSUtils.getFamilyDirs(TEST_UTIL.getTestFileSystem(), regionDirs.get(0));
assertEquals(2, familyDirs.size());
// Insert record but dont flush the table
t.put(new Put(ROW).addColumn(cf1, QUALIFIER, Bytes.toBytes("val2")));
t.put(new Put(ROW).addColumn(cf2, QUALIFIER, Bytes.toBytes("val2")));
if (modifyTable) {
tableDesc = TableDescriptorBuilder.newBuilder(tableDesc).removeColumnFamily(cf2).build();
admin.modifyTable(tableDesc);
} else {
admin.deleteColumnFamily(tableName, cf2);
}
// After table modification or delete family there should be only one CF in FS
familyDirs = FSUtils.getFamilyDirs(TEST_UTIL.getTestFileSystem(), regionDirs.get(0));
assertEquals("CF dir count should be 1, but was " + familyDirs.size(), 1, familyDirs.size());
}
}