[jira] [Commented] (HIVE-12215) Exchange partition does not show outputs field for post/pre execute hooks

["Aihua Xu (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-12215?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14984230#comment-14984230 ] 

Aihua Xu commented on HIVE-12215:
---------------------------------

Tests are not related to the change.

> Exchange partition does not show outputs field for post/pre execute hooks
> -------------------------------------------------------------------------
>
>                 Key: HIVE-12215
>                 URL: https://issues.apache.org/jira/browse/HIVE-12215
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 2.0.0
>            Reporter: Aihua Xu
>            Assignee: Aihua Xu
>         Attachments: HIVE-12215.2.patch, HIVE-12215.3.patch, HIVE-12215.patch
>
>
> The pre/post execute hook interface has fields that indicate which Hive objects were read / written to as a result of running the query. For the exchange partition operation, these fields (ReadEntity and WriteEntity) are empty. 
> This is an important issue as the hook interface may be configured to perform critical warehouse operations.
> See
> {noformat}
> ql/src/test/results/clientpositive/exchange_partition3.q.out
> {noformat}
> {noformat}
> PREHOOK: query: -- This will exchange both partitions hr=1 and hr=2
> ALTER TABLE exchange_part_test1 EXCHANGE PARTITION (ds='2013-04-05') WITH TABLE exchange_part_test2
> PREHOOK: type: ALTERTABLE_EXCHANGEPARTITION
> POSTHOOK: query: -- This will exchange both partitions hr=1 and hr=2
> ALTER TABLE exchange_part_test1 EXCHANGE PARTITION (ds='2013-04-05') WITH TABLE exchange_part_test2
> POSTHOOK: type: ALTERTABLE_EXCHANGEPARTITION
> {noformat}
> Seems it should also print output fields.



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