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https://issues.apache.org/jira/browse/HIVE-12215?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15096850#comment-15096850
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Aihua Xu commented on HIVE-12215:
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Thanks. I will take a look at that.
> 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
> Fix For: 1.3.0, 2.0.0
>
> Attachments: HIVE-12215.2.patch, HIVE-12215.3.patch,
> HIVE-12215.patch, HIVE-12215.patch.branch1
>
>
> 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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