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https://issues.apache.org/jira/browse/HBASE-11093?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13984549#comment-13984549
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Ted Yu commented on HBASE-11093:
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bq. is it a better path to remove hasFilterRow?
It depends on the target release. For HBase 1.0, I don't think we should do it 
- user filters override hasFilterRow(), therefore have to be recompiled.
Post release of 1.0, effort can be spent removing hasFilterRow().

Does this answer your question ?

> FilterList#filterRow() iterates through its filters even though 
> FilterList#hasFilterRow() returns false
> -------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-11093
>                 URL: https://issues.apache.org/jira/browse/HBASE-11093
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>            Priority: Minor
>         Attachments: 11093-v1.txt, 11093-v2.txt, 11093-v3.txt
>
>
> FilterList#hasFilterRow() returns false when hasFilterRow() of all of 
> constituent filters return false.
> However, FilterList#filterRow() still iterates through its filters in this 
> scenario.
> The iteration should be skipped when FilterList#hasFilterRow() returns false.



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