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HBASE-26901 delete with null columnQualifier occurs NullPointerException when NewVersionBehavior is on (#4295) 

Signed-off-by: Duo Zhang <zhangduo@apache.org>
This commit is contained in:
eomiks 2022-04-12 21:26:36 +09:00 committed by GitHub
parent 1d8a5bf0e3
commit 7ac9e0be27
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2 changed files with 22 additions and 5 deletions
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16
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/querymatcher/NewVersionBehaviorTracker.java
View File

@ -165,9 +165,7 @@ public class NewVersionBehaviorTracker implements ColumnTracker, DeleteTracker {
* Else return MAX_VALUE.
*/
protected long prepare(Cell cell) {
boolean matchCq =
PrivateCellUtil.matchingQualifier(cell, lastCqArray, lastCqOffset, lastCqLength);
if (!matchCq) {
if (isColumnQualifierChanged(cell)) {
// The last cell is family-level delete and this is not, or the cq is changed,
// we should construct delColMap as a deep copy of delFamMap.
delColMap.clear();
@ -175,8 +173,7 @@ public class NewVersionBehaviorTracker implements ColumnTracker, DeleteTracker {
delColMap.put(e.getKey(), e.getValue().getDeepCopy());
}
countCurrentCol = 0;
}
if (matchCq && !PrivateCellUtil.isDelete(lastCqType) && lastCqType == cell.getTypeByte()
} else if (!PrivateCellUtil.isDelete(lastCqType) && lastCqType == cell.getTypeByte()
&& lastCqTs == cell.getTimestamp()) {
// Put with duplicate timestamp, ignore.
return lastCqMvcc;
@ -190,6 +187,15 @@ public class NewVersionBehaviorTracker implements ColumnTracker, DeleteTracker {
return Long.MAX_VALUE;
}
private boolean isColumnQualifierChanged(Cell cell) {
if (delColMap.isEmpty() && lastCqArray == null && cell.getQualifierLength() == 0
&& (PrivateCellUtil.isDeleteColumns(cell) || PrivateCellUtil.isDeleteColumnVersion(cell))) {
// for null columnQualifier
return true;
}
return !PrivateCellUtil.matchingQualifier(cell, lastCqArray, lastCqOffset, lastCqLength);
}
// DeleteTracker
@Override
public void add(Cell cell) {

11
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestNewVersionBehaviorFromClientSide.java
View File

@ -19,6 +19,7 @@ package org.apache.hadoop.hbase.regionserver;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
import org.apache.hadoop.hbase.HBaseClassTestRule;
@ -358,4 +359,14 @@ public class TestNewVersionBehaviorFromClientSide {
}
}
@Test
public void testNullColumnQualifier() throws IOException {
try (Table t = createTable()) {
Delete del = new Delete(ROW);
del.addColumn(FAMILY, null);
t.delete(del);
Result r = t.get(new Get(ROW)); //NPE
assertTrue(r.isEmpty());
}
}
}