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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-3899) Partition pruning fails on <constant> = <constant> expression
Date Wed, 16 Jan 2013 17:10:12 GMT

    [ https://issues.apache.org/jira/browse/HIVE-3899?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13555218#comment-13555218
] 

Hudson commented on HIVE-3899:
------------------------------

Integrated in Hive-trunk-h0.21 #1916 (See [https://builds.apache.org/job/Hive-trunk-h0.21/1916/])
    HIVE-3899 Partition pruning fails on <constant> = <constant> expression
(Kevin Wilfong via namit) (Revision 1433842)

     Result = SUCCESS
namit : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1433842
Files : 
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java
* /hive/trunk/ql/src/test/queries/clientpositive/ppd_constant_where.q
* /hive/trunk/ql/src/test/results/clientpositive/ppd_constant_where.q.out

                
> Partition pruning fails on <constant> = <constant> expression
> -------------------------------------------------------------
>
>                 Key: HIVE-3899
>                 URL: https://issues.apache.org/jira/browse/HIVE-3899
>             Project: Hive
>          Issue Type: Bug
>          Components: Metastore, Query Processor
>    Affects Versions: 0.11.0
>            Reporter: Kevin Wilfong
>            Assignee: Kevin Wilfong
>             Fix For: 0.11.0
>
>         Attachments: HIVE-3899.1.patch.txt
>
>
> When a query has a filter that is the conjunction of only
> <partition_column> = <string constant>
> and
> <string constant> = <string constant>
> The whole filter will be passed to the metastore's get_partitions_by_filter method. 
The grammar used to parse the filter only supports filters where one side is a column, so
it fails on the <constant> = <constant> expression.
> These should be caught in the checkJDOPushDown method in the Utilities class.

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