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From "Syed S. Albiz (JIRA)" <>
Subject [jira] [Commented] (HIVE-2354) Support automatic rebuilding of indexes when they go stale
Date Fri, 19 Aug 2011 20:21:29 GMT


Syed S. Albiz commented on HIVE-2354:

Moved a bunch of the logic to update index timestamps into the AlterIndex DDLTask rather than
the DDLSemanticAnalyzer, so that the timestamp is guaranteed to be updated *after* the base
table is touched. This change is reflected in index_auto_update.q, as now we see that the
check for index staleness in the SELECT passes and we use the index in index_auto_update.q
as desired.

> Support automatic rebuilding of indexes when they go stale
> ----------------------------------------------------------
>                 Key: HIVE-2354
>                 URL:
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Syed S. Albiz
>            Assignee: Syed S. Albiz
>         Attachments: HIVE-2354.1.patch, HIVE-2354.2.patch, HIVE-2354.3.patch, HIVE-2354.4.patch,
HIVE-2354.5.patch, HIVE-2354.6.patch
> Support a mode where indexes will be automatically rebuilt when the table/partition they
are based on is modified. So if index foo is built on table bar, and bar has it's contents
overwritten, we should support a mode where index foo will automatically rebuild itself.

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