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From "Alex Baranau (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4364) Filters applied to columns not in the selected column list are ignored
Date Thu, 16 Aug 2012 15:39:38 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4364?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13436040#comment-13436040
] 

Alex Baranau commented on HBASE-4364:
-------------------------------------

RE SingleColumnValueExcludeFilter - then why this issue is a bug again? I believe this is
the correct behavior (based on the thoughts in my last comment). Then one need to include
the column is select columns list and use SingleColumnValueExcludeFilter.

At the same time (different story/effort) we may want to make this "apply filter but not transfer
back to user" feature be available in some more generic way. May be some filter wrapper or
so.
                
> Filters applied to columns not in the selected column list are ignored
> ----------------------------------------------------------------------
>
>                 Key: HBASE-4364
>                 URL: https://issues.apache.org/jira/browse/HBASE-4364
>             Project: HBase
>          Issue Type: Bug
>          Components: filters
>    Affects Versions: 0.90.4, 0.92.0, 0.94.0
>            Reporter: Todd Lipcon
>            Priority: Critical
>         Attachments: HBASE-4364-failing-test-with-simplest-custom-filter.patch, hbase-4364_trunk.patch,
hbase-4364_trunk-v2.patch
>
>
> For a scan, if you select some set of columns using addColumns(), and then apply a SingleColumnValueFilter
that restricts the results based on some other columns which aren't selected, then those filter
conditions are ignored.

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