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https://issues.apache.org/jira/browse/HIVE-4246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13736462#comment-13736462
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Phabricator commented on HIVE-4246:
-----------------------------------
hagleitn has accepted the revision "HIVE-4246 [jira] Implement predicate
pushdown for ORC".
LGTM +1
REVISION DETAIL
https://reviews.facebook.net/D11415
BRANCH
h-4246
ARCANIST PROJECT
hive
To: JIRA, hagleitn, omalley
Cc: hagleitn
> 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
> Attachments: HIVE-4246.D11415.1.patch, HIVE-4246.D11415.2.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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