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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11788) hbase is not deleting the cell when a Put with a KeyValue, KeyValue.Type.Delete is submitted
Date Wed, 27 Aug 2014 17:24:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11788?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14112488#comment-14112488
] 

Hudson commented on HBASE-11788:
--------------------------------

FAILURE: Integrated in HBase-0.98-on-Hadoop-1.1 #451 (See [https://builds.apache.org/job/HBase-0.98-on-Hadoop-1.1/451/])
HBASE-11788 HBase is not deleting the cell when a Put with a KeyValue, KeyValue.Type.Delete
is submitted (jxiang: rev 17b21652d48e291a2313c4a112f8699dc1ddd94c)
* hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestPutWithDelete.java
* hbase-client/src/main/java/org/apache/hadoop/hbase/protobuf/ProtobufUtil.java


> 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
>             Fix For: 0.99.0, 2.0.0, 0.98.7
>
>         Attachments: HBASE-11788-master.patch, HBASE-11788-master_v2.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



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