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https://issues.apache.org/jira/browse/HIVE-6129?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15740761#comment-15740761
 ] 

Lefty Leverenz commented on HIVE-6129:
--------------------------------------

See documentation comments on HIVE-4095.

* doc comments:
** [Rick Moritz | 
https://issues.apache.org/jira/browse/HIVE-4095?focusedCommentId=15424579&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15424579]
** [Lefty Leverenz | 
https://issues.apache.org/jira/browse/HIVE-4095?focusedCommentId=15740751&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15740751]
* wikidocs:
** [Exchange Partition | 
https://cwiki.apache.org/confluence/display/Hive/Exchange+Partition]
** [DDL -- Exchange Partition | 
https://cwiki.apache.org/confluence/display/Hive/LanguageManual+DDL#LanguageManualDDL-ExchangePartition]

> alter exchange is implemented in inverted manner
> ------------------------------------------------
>
>                 Key: HIVE-6129
>                 URL: https://issues.apache.org/jira/browse/HIVE-6129
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Navis
>            Assignee: Navis
>            Priority: Critical
>             Fix For: 0.13.0
>
>         Attachments: HIVE-6129.1.patch.txt, HIVE-6129.2.patch
>
>
> see 
> https://issues.apache.org/jira/browse/HIVE-4095?focusedCommentId=13819885&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13819885
> alter exchange should be implemented accord to document in 
> https://cwiki.apache.org/confluence/display/Hive/Exchange+Partition. i.e 
> {code}
> alter table T1 exchange partition (ds='1') with table T2" 
> {code}
> should be (after creating T1@ds=1) 
> {quote}
> moves the data from T2 to T1@ds=1.... 
> {quote}



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