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From "John Sichi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-2036) Update bitmap indexes for automatic usage
Date Fri, 20 May 2011 20:51:48 GMT

    [ https://issues.apache.org/jira/browse/HIVE-2036?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13037081#comment-13037081
] 

John Sichi commented on HIVE-2036:
----------------------------------

Yeah, starting off with just AND is probably already a good-sized chunk of work.


> Update bitmap indexes for automatic usage
> -----------------------------------------
>
>                 Key: HIVE-2036
>                 URL: https://issues.apache.org/jira/browse/HIVE-2036
>             Project: Hive
>          Issue Type: Improvement
>          Components: Indexing
>    Affects Versions: 0.8.0
>            Reporter: Russell Melick
>            Assignee: Syed S. Albiz
>
> HIVE-1644 will provide automatic usage of indexes, and HIVE-1803 adds bitmap index support.
 The bitmap code will need to be extended after it is committed to enable automatic use of
indexing.  Most work will be focused in the BitmapIndexHandler, which needs to generate the
re-entrant QL index query.  There may also be significant work in the IndexPredicateAnalyzer
to support predicates with OR's, instead of just AND's as it is currently.

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