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From "Jitendra Nath Pandey (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-5877) Implement vectorized support for IN as boolean-valued expression
Date Mon, 02 Dec 2013 23:46:35 GMT

    [ https://issues.apache.org/jira/browse/HIVE-5877?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13837089#comment-13837089
] 

Jitendra Nath Pandey commented on HIVE-5877:
--------------------------------------------

lgtm, +1

> Implement vectorized support for IN as boolean-valued expression
> ----------------------------------------------------------------
>
>                 Key: HIVE-5877
>                 URL: https://issues.apache.org/jira/browse/HIVE-5877
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Query Processor
>            Reporter: Eric Hanson
>            Assignee: Eric Hanson
>         Attachments: HIVE-5877.1.patch, HIVE-5877.2.patch, HIVE-5877.3.patch, HIVE-5877.4.patch
>
>
> Implement support for IN as a Boolean-valued expression, e..g.
> select col1 IN (1, 2, 3) from T;
> or 
> select col1
> from T
> where NOT (col1 IN (1, 2, 3));
> This will also automatically add support for NOT IN because NOT IN is automatically transformed
into NOT ( ... IN ... ) by the parser.
>  



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