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https://issues.apache.org/jira/browse/HBASE-1975?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12777132#action_12777132
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stack commented on HBASE-1975:
------------------------------

Patch looks good.

One question: Filters run in a row scope; their state cannot span rows.  I 
can't tell if this new functionality is ok with that; i.e. we're talking about 
previous versions within a row context?

Thanks Jeremiah.

> SingleColumnValueFilter: Add ability to match the value of previous versions 
> of the specified column
> ----------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-1975
>                 URL: https://issues.apache.org/jira/browse/HBASE-1975
>             Project: Hadoop HBase
>          Issue Type: Improvement
>          Components: filters
>    Affects Versions: 0.20.1
>            Reporter: Jeremiah Jacquet
>         Attachments: 1975.patch
>
>
> Currently SCVF will only attempt to match the most recent version of a given 
> column value. We want the ability to test against values of previous versions 
> as well.

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