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From "He Yongqiang (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-2513) create a test to verify that partition pruning works for partitioned views with a union
Date Thu, 20 Oct 2011 17:30:11 GMT

    [ https://issues.apache.org/jira/browse/HIVE-2513?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13131805#comment-13131805
] 

He Yongqiang commented on HIVE-2513:
------------------------------------

+1, will commit after tests pass
                
> create a test to verify that partition pruning works for partitioned views with a union
> ---------------------------------------------------------------------------------------
>
>                 Key: HIVE-2513
>                 URL: https://issues.apache.org/jira/browse/HIVE-2513
>             Project: Hive
>          Issue Type: Test
>            Reporter: Namit Jain
>            Assignee: Namit Jain
>         Attachments: hive.2513.1.patch
>
>
> It would be good to have a test to check partition pruning on a view like:
> create view t1 partitioned on (ds) as
> select * from
> (
> select key, value, ds from t1_new
> union all
> select key, value, t1_old.ds from t1_old join t1_mapping
> on t1_old.keymap = t1_mapping.keymap and
>    t1_old.ds = t1_mapping.ds
> ) subq;
> While adding the test, I found that the lineage is broken for this.
> Will file a separate issue for that.

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