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HBASE-18617 FuzzyRowKeyFilter should not modify the filter pairs (vinisha)

This commit is contained in:
tedyu 2017-08-18 09:10:20 -07:00
parent 7fee03ed65
commit e2532ecd1e
2 changed files with 33 additions and 16 deletions
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22
hbase-client/src/main/java/org/apache/hadoop/hbase/filter/FuzzyRowFilter.java
View File

@ -76,23 +76,31 @@ public class FuzzyRowFilter extends FilterBase {
private RowTracker tracker;
public FuzzyRowFilter(List<Pair<byte[], byte[]>> fuzzyKeysData) {
Pair<byte[], byte[]> p;
for (int i = 0; i < fuzzyKeysData.size(); i++) {
p = fuzzyKeysData.get(i);
if (p.getFirst().length != p.getSecond().length) {
List<Pair<byte[], byte[]>> fuzzyKeyDataCopy = new ArrayList<>(fuzzyKeysData.size());
for (Pair<byte[], byte[]> aFuzzyKeysData : fuzzyKeysData) {
if (aFuzzyKeysData.getFirst().length != aFuzzyKeysData.getSecond().length) {
Pair<String, String> readable =
new Pair<>(Bytes.toStringBinary(p.getFirst()), Bytes.toStringBinary(p
.getSecond()));
new Pair<>(Bytes.toStringBinary(aFuzzyKeysData.getFirst()), Bytes.toStringBinary(aFuzzyKeysData.getSecond()));
throw new IllegalArgumentException("Fuzzy pair lengths do not match: " + readable);
}
Pair<byte[], byte[]> p = new Pair<>();
// create a copy of pair bytes so that they are not modified by the filter.
p.setFirst(Arrays.copyOf(aFuzzyKeysData.getFirst(), aFuzzyKeysData.getFirst().length));
p.setSecond(Arrays.copyOf(aFuzzyKeysData.getSecond(), aFuzzyKeysData.getSecond().length));
// update mask ( 0 -> -1 (0xff), 1 -> 2)
p.setSecond(preprocessMask(p.getSecond()));
preprocessSearchKey(p);
fuzzyKeyDataCopy.add(p);
}
this.fuzzyKeysData = fuzzyKeysData;
this.fuzzyKeysData = fuzzyKeyDataCopy;
this.tracker = new RowTracker();
}
private void preprocessSearchKey(Pair<byte[], byte[]> p) {
if (!UNSAFE_UNALIGNED) {
// do nothing

27
hbase-server/src/test/java/org/apache/hadoop/hbase/filter/TestFuzzyRowFilterEndToEnd.java
View File

@ -17,13 +17,6 @@
*/
package org.apache.hadoop.hbase.filter;
import static org.junit.Assert.assertEquals;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
@ -42,6 +35,7 @@ import org.apache.hadoop.hbase.filter.FilterList.Operator;
import org.apache.hadoop.hbase.regionserver.ConstantSizeRegionSplitPolicy;
import org.apache.hadoop.hbase.regionserver.HRegion;
import org.apache.hadoop.hbase.regionserver.RegionScanner;
import org.apache.hadoop.hbase.shaded.com.google.common.collect.Lists;
import org.apache.hadoop.hbase.testclassification.FilterTests;
import org.apache.hadoop.hbase.testclassification.MediumTests;
import org.apache.hadoop.hbase.util.Bytes;
@ -53,10 +47,16 @@ import org.junit.BeforeClass;
import org.junit.Rule;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.apache.hadoop.hbase.shaded.com.google.common.collect.Lists;
import org.junit.rules.TestName;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import static org.junit.Assert.assertEquals;
/**
*/
@Category({ FilterTests.class, MediumTests.class })
@ -140,6 +140,11 @@ public class TestFuzzyRowFilterEndToEnd {
List<Pair<byte[], byte[]>> data = new ArrayList<>();
byte[] fuzzyKey = Bytes.toBytesBinary("\\x9B\\x00\\x044e");
byte[] mask = new byte[] { 0, 0, 0, 0, 0 };
// copy the fuzzy key and mask to test HBASE-18617
byte[] copyFuzzyKey = Arrays.copyOf(fuzzyKey, fuzzyKey.length);
byte[] copyMask = Arrays.copyOf(mask, mask.length);
data.add(new Pair<>(fuzzyKey, mask));
FuzzyRowFilter filter = new FuzzyRowFilter(data);
@ -152,6 +157,10 @@ public class TestFuzzyRowFilterEndToEnd {
total++;
}
assertEquals(2, total);
assertEquals(true, Arrays.equals(copyFuzzyKey, fuzzyKey));
assertEquals(true, Arrays.equals(copyMask, mask));
TEST_UTIL.deleteTable(TableName.valueOf(name.getMethodName()));
}