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Posted to issues@hbase.apache.org by "Lars Hofhansl (JIRA)" <ji...@apache.org> on 2013/07/02 10:38:20 UTC

[jira] [Commented] (HBASE-8847) Filter.transform() always applies unconditionally, even when combined in a FilterList

    [ https://issues.apache.org/jira/browse/HBASE-8847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13697606#comment-13697606 ] 

Lars Hofhansl commented on HBASE-8847:
--------------------------------------

For filter list we now transform() twice.
                
> Filter.transform() always applies unconditionally, even when combined in a FilterList
> -------------------------------------------------------------------------------------
>
>                 Key: HBASE-8847
>                 URL: https://issues.apache.org/jira/browse/HBASE-8847
>             Project: HBase
>          Issue Type: Bug
>          Components: Filters
>    Affects Versions: 0.94.2
>            Reporter: Christophe Taton
>            Priority: Minor
>         Attachments: HBASE-8847.patch
>
>
> FilterList.transform() applies all transformation from all filters unconditionally.
> This leads to surprising results, eg. with combinations such as
>   (family=X and column=Y and KeyOnlyFilter) or ...
> The KeyOnlyFilter will strip the values from all KeyValues.

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