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From "John Sichi (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-1644) use filter pushdown for automatically accessing indexes
Date Wed, 02 Mar 2011 20:44:36 GMT

    [ https://issues.apache.org/jira/browse/HIVE-1644?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13001618#comment-13001618
] 

John Sichi commented on HIVE-1644:
----------------------------------

Yongqiang, thanks for the pointer.  Guys, give that a try.  My original thinking for doing
it during logical optimization was that it's similar to the storage handler logic I had added
previously, but if you can get it working here, physical optimization makes sense as the place
for indexing.


> use filter pushdown for automatically accessing indexes
> -------------------------------------------------------
>
>                 Key: HIVE-1644
>                 URL: https://issues.apache.org/jira/browse/HIVE-1644
>             Project: Hive
>          Issue Type: Improvement
>          Components: Indexing
>    Affects Versions: 0.7.0
>            Reporter: John Sichi
>            Assignee: Russell Melick
>         Attachments: HIVE-1644.1.patch, HIVE-1644.2.patch, HIVE-1644.3.patch, HIVE-1644.4.patch
>
>
> HIVE-1226 provides utilities for analyzing filters which have been pushed down to a table
scan.  The next step is to use these for selecting available indexes and generating access
plans for those indexes.

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