[jira] [Commented] (HIVE-2242) DDL Semantic Analyzer does not pass partial specification partitions to PreExecute hooks when dropping partitions

["John Sichi (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-2242?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13071328#comment-13071328 ] 

John Sichi commented on HIVE-2242:
----------------------------------

This one has been sitting in Patch Available queue for a while...anything holding it up?


> DDL Semantic Analyzer does not pass partial specification partitions to PreExecute hooks when dropping partitions
> -----------------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-2242
>                 URL: https://issues.apache.org/jira/browse/HIVE-2242
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>            Reporter: Sohan Jain
>            Assignee: Sohan Jain
>         Attachments: HIVE-2242.1.patch
>
>
> Currently, when dropping partitions, the DDL Semantic Analyzer only passes partitions that have a full specification to Pre Execution hooks.  It should also include all matches from partial specifications.
> E.g., suppose you have a table
> {{create table test_table (a string) partitioned by (p1 string, p2 string);}}
> {{alter table test_table add partition (p1=1, p2=1);}}
> {{alter table test_table add partition (p1=1, p2=2);}}
> {{alter table test_table add partition (p1=2, p2=2);}}
> and you run 
> {{alter table test_table drop partition(p1=1);}}
> Pre-execution hooks will not be passed any of the partitions.  The expected behavior is for pre-execution hooks to get the WriteEntity's with the partitions "p1=1/p2=1" and "p1=1/p2=2"

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