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From "binlijin (Commented) (JIRA)" <>
Subject [jira] [Commented] (HIVE-2466) mapjoin_subquery dump small table (mapjoin table) to the same file
Date Mon, 07 Nov 2011 07:23:52 GMT


binlijin commented on HIVE-2466:

hive-2466.4.patch is based on the trunk,, I don't
have the compile problem.
how to create a arc diff entry? I use the command "svn diff > hive-2466.4.patch" to get
the patch.
> mapjoin_subquery  dump small table (mapjoin table) to the same file
> -------------------------------------------------------------------
>                 Key: HIVE-2466
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.7.1
>            Reporter: binlijin
>            Assignee: binlijin
>            Priority: Blocker
>         Attachments: D285.1.patch, hive-2466.1.patch, hive-2466.2.patch, hive-2466.3.patch,
> in mapjoin_subquery.q  there is a query´╝Ü
> SELECT /*+ MAPJOIN(z) */ subq.key1, z.value
> (SELECT /*+ MAPJOIN(x) */ x.key as key1, x.value as value1, y.key as key2, y.value as
>  FROM src1 x JOIN src y ON (x.key = y.key)) subq
>  JOIN srcpart z ON (subq.key1 = z.key and z.ds='2008-04-08' and;
> when dump x and z to a local file,there all dump to the same file, so we lost the data
of x

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