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Date: Fri, 23 Sep 2011 16:40:26 +0000 (UTC)
From: "binlijin (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
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 <2114162440.7106.1316796026251.JavaMail.tomcat@hel.zones.apache.org>
Subject: [jira] [Created] (HIVE-2466) mapjoin_subquery  dump two small table
 to the same file
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mapjoin_subquery  dump two small table to the same file
-------------------------------------------------------

                 Key: HIVE-2466
                 URL: https://issues.apache.org/jira/browse/HIVE-2466
             Project: Hive
          Issue Type: Bug
          Components: Query Processor
    Affects Versions: 0.7.1
            Reporter: binlijin
            Priority: Critical
             Fix For: 0.8.0


in mapjoin_subquery.q  there is a query=EF=BC=9A
SELECT /*+ MAPJOIN(z) */ subq.key1, z.value
FROM
(SELECT /*+ MAPJOIN(x) */ x.key as key1, x.value as value1, y.key as key2, =
y.value as value2=20
 FROM src1 x JOIN src y ON (x.key =3D y.key)) subq
 JOIN srcpart z ON (subq.key1 =3D z.key and z.ds=3D'2008-04-08' and z.hr=3D=
11);
when dump x and z to a local file,there all dump to the same file, so we lo=
st the data of x


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