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From "Jean-Daniel Cryans (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HBASE-2272) put with timestamp after delete is not stored
Date Fri, 26 Feb 2010 17:13:28 GMT

     [ https://issues.apache.org/jira/browse/HBASE-2272?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jean-Daniel Cryans resolved HBASE-2272.
---------------------------------------

    Resolution: Duplicate

Resolving as duplicate, please see HBASE-2256.

> put with timestamp after delete is not stored
> ---------------------------------------------
>
>                 Key: HBASE-2272
>                 URL: https://issues.apache.org/jira/browse/HBASE-2272
>             Project: Hadoop HBase
>          Issue Type: Bug
>    Affects Versions: 0.20.3
>            Reporter: Matthias Lehmann
>
> When I delete a row and afterwards put a value for that row again, I can not get it (so
apparently it was not stored), but only, when I put the value with a timestamp.
> A flush of the table between delete and put bypasses the problem.
> I give a hbase-shell log as an example.
> Lets assume, we have a table 'foo' with a column-familiy 's:':
> The Error
> >put 'foo', '123', 's:bar', 'hello'
> >get 'foo', '123'
> COLUMN                       CELL
>  s:bar                       timestamp=..., value=hello
> >deleteall 'foo', '123'
> // put WITH timestamp
> >put 'foo', '123', 's:bar', 'hello', 1267202287
> > get 'foo', '123'
> COLUMN                       CELL
> // nothing, even though a value was saved before
> But This Works
> >put 'foo', '123', 's:bar', 'hello'
> >get 'foo', '123'
> COLUMN                       CELL
>  s:bar                       timestamp=..., value=hello
> >deleteall 'foo', '123'
> // put WITHOUT timestamp
> >put 'foo', '123', 's:bar', 'hello'
> > get 'foo', '123'
> COLUMN                       CELL
>  s:bar                       timestamp=..., value=hello
> // value was saved
> And Also
> >put 'foo', '123', 's:bar', 'hello'
> >get 'foo', '123'
> COLUMN                       CELL
>  s:bar                       timestamp=..., value=hello
> >deleteall 'foo', '123'
> // flush table
> >flush 'foo'
> // put WITH timestamp
> >put 'foo', '123', 's:bar', 'hello', 1267202287
> > get 'foo', '123'
> COLUMN                       CELL
>  s:bar                       timestamp=..., value=hello
> // value was saved
> The error also occurs with single cells - one does not have to delete whole rows:
> >put 'foo', '123', 's:bar', 'hello'
> >put 'foo', '123', 's:baz', 'world'
> >get 'foo', '123'
> COLUMN                       CELL
>  s:bar                       timestamp=..., value=hello
>  s:baz                       timestamp=..., value=world
> >delete 'foo', '123', 's:bar'
> // put WITH timestamp
> >put 'foo', '123', 's:bar', 'hello', 1267202287
> >get 'foo', '123'
> COLUMN                       CELL
>  s:baz                       timestamp=..., value=world
> // value for s:baz was not saved

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