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From " (JIRA)" <>
Subject [jira] [Commented] (HIVE-2335) Indexes are still automatically queried when out of sync with their source tables
Date Tue, 02 Aug 2011 23:18:29 GMT

] commented on HIVE-2335:

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Review request for hive, John Sichi, Yongqiang He, and Ning Zhang.


Check the timestamps of the tables/partitions to ensure that they were not written to since
the index was last generated

This addresses bug HIVE-2335.


  ql/src/test/queries/clientpositive/index_stale.q PRE-CREATION 
  ql/src/test/queries/clientpositive/index_stale_partitioned.q PRE-CREATION 
  ql/src/test/results/clientpositive/index_stale.q.out PRE-CREATION 
  ql/src/test/results/clientpositive/index_stale_partitioned.q.out PRE-CREATION 



added index_stale.q and index_stale_partitioned.q to the testcase suite



> Indexes are still automatically queried when out of sync with their source tables
> ---------------------------------------------------------------------------------
>                 Key: HIVE-2335
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Syed S. Albiz
>            Assignee: Syed S. Albiz
>         Attachments: HIVE-2335.1.patch
> The automatic index usage does not check whether or not the indexes are still up-to-date
when generating the index queries. This can be addressed in two stages, the first is to add
a check before generating the index query to ensure that the index is still valid. The next
stage may be to add some sort of mode where indexes are automatically updated on table writes.

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