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Lars Hofhansl commented on HBASE-11788: --------------------------------------- Quite nasty... But I guess that is what it has to be. +1 > hbase is not deleting the cell when a Put with a KeyValue, > KeyValue.Type.Delete is submitted > -------------------------------------------------------------------------------------------- > > Key: HBASE-11788 > URL: https://issues.apache.org/jira/browse/HBASE-11788 > Project: HBase > Issue Type: Bug > Affects Versions: 0.99.0, 0.96.1.1, 0.98.5, 2.0.0 > Environment: Cloudera CDH 5.1.x > Reporter: Cristian Armaselu > Assignee: Srikanth Srungarapu > Attachments: HBASE-11788-master.patch, TestPutWithDelete.java > > > Code executed: > {code} > @Test > public void testHbasePutDeleteCell() throws Exception { > TableName tableName = TableName.valueOf("my_test"); > Configuration configuration = HBaseConfiguration.create(); > HTableInterface table = new HTable(configuration, tableName); > final String rowKey = "12345"; > final byte[] familly = Bytes.toBytes("default"); > // put one row > Put put = new Put(Bytes.toBytes(rowKey)); > put.add(familly, Bytes.toBytes("A"), Bytes.toBytes("a")); > put.add(familly, Bytes.toBytes("B"), Bytes.toBytes("b")); > put.add(familly, Bytes.toBytes("C"), Bytes.toBytes("c")); > table.put(put); > // get row back and assert the values > Get get = new Get(Bytes.toBytes(rowKey)); > Result result = table.get(get); > Assert.isTrue(Bytes.toString(result.getValue(familly, > Bytes.toBytes("A"))).equals("a"), "Column A value should be a"); > Assert.isTrue(Bytes.toString(result.getValue(familly, > Bytes.toBytes("B"))).equals("b"), "Column B value should be b"); > Assert.isTrue(Bytes.toString(result.getValue(familly, > Bytes.toBytes("C"))).equals("c"), "Column C value should be c"); > // put the same row again with C column deleted > put = new Put(Bytes.toBytes(rowKey)); > put.add(familly, Bytes.toBytes("A"), Bytes.toBytes("a")); > put.add(familly, Bytes.toBytes("B"), Bytes.toBytes("b")); > put.add(new KeyValue(Bytes.toBytes(rowKey), familly, > Bytes.toBytes("C"), HConstants.LATEST_TIMESTAMP, KeyValue.Type.DeleteColumn)); > table.put(put); > // get row back and assert the values > get = new Get(Bytes.toBytes(rowKey)); > result = table.get(get); > Assert.isTrue(Bytes.toString(result.getValue(familly, > Bytes.toBytes("A"))).equals("a"), "Column A value should be a"); > Assert.isTrue(Bytes.toString(result.getValue(familly, > Bytes.toBytes("B"))).equals("b"), "Column A value should be b"); > Assert.isTrue(result.getValue(familly, Bytes.toBytes("C")) == null, > "Column C should not exists"); > } > {code} > This assertion fails, the cell is not deleted but rather the value is empty: > {code} > hbase(main):029:0> scan 'my_test' > ROW COLUMN+CELL > > > 12345 column=default:A, > timestamp=1408473082290, value=a > > 12345 column=default:B, > timestamp=1408473082290, value=b > > 12345 column=default:C, > timestamp=1408473082290, value= > {code} > This behavior is different than previous 4.8.x Cloudera version and is > currently corrupting all hive queries involving is null or is not null > operators on the columns mapped to hbase -- This message was sent by Atlassian JIRA (v6.2#6252)