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From "Phabricator (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-2908) Hive: Extend ALTER TABLE DROP PARTITION syntax to use all comparators
Date Thu, 29 Mar 2012 06:53:34 GMT

    [ https://issues.apache.org/jira/browse/HIVE-2908?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13241029#comment-13241029
] 

Phabricator commented on HIVE-2908:
-----------------------------------

sambavim has commented on the revision "HIVE-2908 [jira] Hive: Extend ALTER TABLE DROP PARTITION
syntax to use all comparators".

  Note: The committer will need to run the below test with -Doverwrite=true due to a problem
with arc diff loading the differential on the test results.

  ant test -Dtestcase=TestCliDriver -Dqfile=escape1.q -Doverwrite=true

REVISION DETAIL
  https://reviews.facebook.net/D2523

                
> Hive: Extend ALTER TABLE DROP PARTITION syntax to use all comparators
> ---------------------------------------------------------------------
>
>                 Key: HIVE-2908
>                 URL: https://issues.apache.org/jira/browse/HIVE-2908
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Processor
>            Reporter: Sambavi Muthukrishnan
>            Assignee: Sambavi Muthukrishnan
>            Priority: Minor
>         Attachments: HIVE-2908.D2523.1.patch, HIVE-2908.D2523.2.patch
>
>   Original Estimate: 96h
>  Remaining Estimate: 96h
>
> To drop a partition from a Hive table, this works:
> ALTER TABLE foo DROP PARTITION(ds = 'date')
> ...but it should also work to drop all partitions prior to date.
> ALTER TABLE foo DROP PARTITION(ds < 'date')
> This task is to implement ALTER TABLE DROP PARTITION for all of the comparators, <
> <= >= <> = != instead of just for =.

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