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From "jiraposter@reviews.apache.org (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-2602) add support for insert partition overwrite(...) if not exists
Date Wed, 30 Nov 2011 05:27:42 GMT

    [ https://issues.apache.org/jira/browse/HIVE-2602?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13159833#comment-13159833
] 

jiraposter@reviews.apache.org commented on HIVE-2602:
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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/2974/
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Review request for hive and namit jain.


Summary
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INSERT OVERWRITE TABLE X PARTITION (a=b, c=d) IF NOT EXISTS ...
The partition should be created and written if and only if it's not there already. 
Added a check to validate the partition exist or not.


This addresses bug HIVE-2602.
    https://issues.apache.org/jira/browse/HIVE-2602


Diffs
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  trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/Hive.g 1206077 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java 1206077 
  trunk/ql/src/test/queries/clientpositive/insert1_overwrite_partitions.q PRE-CREATION 
  trunk/ql/src/test/results/clientpositive/insert1_overwrite_partitions.q.out PRE-CREATION


Diff: https://reviews.apache.org/r/2974/diff


Testing
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all tests passed and added new testcases


Thanks,

chinna


                
> add support for insert partition overwrite(...) if not exists
> -------------------------------------------------------------
>
>                 Key: HIVE-2602
>                 URL: https://issues.apache.org/jira/browse/HIVE-2602
>             Project: Hive
>          Issue Type: New Feature
>            Reporter: Namit Jain
>            Assignee: Chinna Rao Lalam
>         Attachments: HIVE-2602.patch
>
>
> INSERT OVERWRITE TABLE X PARTITION (a=b, c=d) IF NOT EXISTS ...
> The partition should be created and written if and only if it's not there already.
> The support can be added for dynamic partitions in the future, but this jira is for adding
this support for static partitions.

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