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From "Jean-Marc Spaggiari (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8678) Wrongly delete cells in some case which can not be deleted
Date Mon, 03 Jun 2013 18:31:20 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8678?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13673406#comment-13673406
] 

Jean-Marc Spaggiari commented on HBASE-8678:
--------------------------------------------

I just tried this:
{code}
  public static void main(String[] args) throws Exception {

    Configuration conf = new Configuration ();
    HTable table = new HTable(conf,  "t1");

    Put put = new Put(Bytes.toBytes("row21"));
    put.add("f1".getBytes(), "name".getBytes(), "huanggang".getBytes());
    table.put(put);

    Delete delete = new Delete(Bytes.toBytes("row21"));
    delete.setTimestamp(1L);
    table.delete(delete);
}
{code}

And I'm getting this as a result:
{code}
hbase(main):011:0> scan 't1'
ROW                                                   COLUMN+CELL                        
                                                                                         
                               
 row21                                                column=f1:name, timestamp=1370284046494,
value=huanggang                                                                          
                          
1 row(s) in 0.0140 seconds
{code}

So it's working fine with the Java API. I will activate REST and test with it too. Maybe REST
is not taking the delete timestamp into consideration?
                
> Wrongly delete cells in some case which can not be deleted
> ----------------------------------------------------------
>
>                 Key: HBASE-8678
>                 URL: https://issues.apache.org/jira/browse/HBASE-8678
>             Project: HBase
>          Issue Type: Bug
>          Components: REST
>    Affects Versions: 0.94.5, 0.95.0
>         Environment: CentOS 5.5/hadoop0.20.2/hbase0.94.5/zookeeper3.4.3
>            Reporter: Eric Huang
>
> First, I put a cell using put interface, but I don't specify timestamp. Then I delete
the the same row, specify a timestamp of 1L. Unfortunately, the former cell is 
> deleted. We should know this cell can not be deleted in this case. (Using original Client
API)
> Code like this;
> public static void main(String[] args) throws Exception {
>         Cluster cluster = new Cluster();
>         cluster.add("10.28.171.38", 8080);
>         Client client = new Client(cluster);
>         RemoteHTable table = new RemoteHTable(client, "demotime");
>                 
>         Put put = new Put(Bytes.toBytes("row21"));
>         put.add("info".getBytes(), "name".getBytes(), "huanggang".getBytes());
>         table.put(put);
>         
>         Delete delete = new Delete(Bytes.toBytes("row21"));
>         delete.setTimestamp(1L);
>         table.delete(delete);
>     }

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