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From "Thomas Martens (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-18471) Deleted qualifier re-appearing after multiple puts.
Date Fri, 28 Jul 2017 13:47:00 GMT

     [ https://issues.apache.org/jira/browse/HBASE-18471?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Thomas Martens updated HBASE-18471:
-----------------------------------
    Affects Version/s: 1.3.1

> Deleted qualifier re-appearing after multiple puts.
> ---------------------------------------------------
>
>                 Key: HBASE-18471
>                 URL: https://issues.apache.org/jira/browse/HBASE-18471
>             Project: HBase
>          Issue Type: Bug
>          Components: Deletes, hbase, scan
>    Affects Versions: 1.3.0, 1.3.1
>            Reporter: Thomas Martens
>         Attachments: HBaseDmlTest.java
>
>
> The qualifier of a deleted row (with keep deleted cells true) re-appears after re-inserting
the same row multiple times (with different timestamp) with an empty qualifier.
> Scenario:
> # Put row with family and qualifier (timestamp 1).
> # Delete entire row (timestamp 2).
> # Put same row again with family without qualifier (timestamp 3).
> A scan (latest version) returns the row with family without qualifier, version 3 (which
is correct).
> # Put the same row again with family without qualifier (timestamp 4).
> A scan (latest version) returns multiple rows:
> * the row with family without qualifier, version 4 (which is correct).
> * the row with family with qualifier, version 1 (which is wrong).
> There is a test scenario attached.
> output:
> <LOG> 13:42:53,952 [main] client.HBaseAdmin - Started disable of test_dml
> <LOG> 13:42:55,801 [main] client.HBaseAdmin - Disabled test_dml
> <LOG> 13:42:57,256 [main] client.HBaseAdmin - Deleted test_dml
> <LOG> 13:42:58,592 [main] client.HBaseAdmin - Created test_dml
> Put row: 'myRow' with family: 'myFamily' with qualifier: 'myQualifier' with timestamp:
'1'
> Scan printout =>
>   Row: 'myRow', Timestamp: '1', Family: 'myFamily', Qualifier: 'myQualifier', Value:
'myValue'
> Delete row: 'myRow'
> Scan printout =>
> Put row: 'myRow' with family: 'myFamily' with qualifier: 'null' with timestamp: '3'
> Scan printout =>
>   Row: 'myRow', Timestamp: '3', Family: 'myFamily', Qualifier: '', Value: 'myValue'
> Put row: 'myRow' with family: 'myFamily' with qualifier: 'null' with timestamp: '4'
> Scan printout =>
>   Row: 'myRow', Timestamp: '4', Family: 'myFamily', Qualifier: '', Value: 'myValue'
>   {color:red}Row: 'myRow', Timestamp: '1', Family: 'myFamily', Qualifier: 'myQualifier',
Value: 'myValue'{color}



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