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Posted to dev@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2010/02/15 22:03:27 UTC

[jira] Updated: (HBASE-2227) [IHBASE] Idx Expression functionality is incompatible with SingleColumnValueFilter

     [ https://issues.apache.org/jira/browse/HBASE-2227?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stack updated HBASE-2227:
-------------------------

    Attachment: HBASE-2227.patch

Here is what was committed.

> [IHBASE] Idx Expression functionality is incompatible with SingleColumnValueFilter  
> ------------------------------------------------------------------------------------
>
>                 Key: HBASE-2227
>                 URL: https://issues.apache.org/jira/browse/HBASE-2227
>             Project: Hadoop HBase
>          Issue Type: Bug
>    Affects Versions: 0.20.4
>            Reporter: Yoram Kulbak
>             Fix For: 0.20.4
>
>         Attachments: HBASE-2227.patch
>
>
> Idx comparison expressions should have 1:1 mapping to SingleColumnValueFilter.
> Without this mapping users can't fully use the index expressions to optimize their scan performance.
> Currently there are two main features lacking:
> - Support for a != (NEQ) operator 
> - Support for the 'filterIfMissing' modifier  

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