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https://issues.apache.org/jira/browse/HIVE-4246?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gunther Hagleitner updated HIVE-4246:
-------------------------------------
Resolution: Fixed
Fix Version/s: 0.12.0
Status: Resolved (was: Patch Available)
Committed to trunk. Thanks Owen!
> Implement predicate pushdown for ORC
> ------------------------------------
>
> Key: HIVE-4246
> URL: https://issues.apache.org/jira/browse/HIVE-4246
> Project: Hive
> Issue Type: New Feature
> Components: File Formats
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Fix For: 0.12.0
>
> Attachments: HIVE-4246.D11415.1.patch, HIVE-4246.D11415.2.patch,
> HIVE-4246.D11415.3.patch, HIVE-4246.D11415.3.patch, HIVE-4246.D11415.4.patch,
> HIVE-4246.D11415.5.patch, HIVE-4246.D11415.6.patch
>
>
> By using the push down predicates from the table scan operator, ORC can skip
> over 10,000 rows at a time that won't satisfy the predicate. This will help a
> lot, especially if the file is sorted by the column that is used in the
> predicate.
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