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From "Lefty Leverenz (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-11432) Hive macro give same result for different arguments
Date Tue, 05 Apr 2016 02:17:25 GMT

    [ https://issues.apache.org/jira/browse/HIVE-11432?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15225532#comment-15225532
] 

Lefty Leverenz commented on HIVE-11432:
---------------------------------------

Doc note:  This has been documented in the wiki on the note about version information for
macros:

* [Language Manual DDL - Create/Drop Macro | https://cwiki.apache.org/confluence/display/Hive/LanguageManual+DDL#LanguageManualDDL-Create/DropMacro]

> Hive macro give same result for different arguments
> ---------------------------------------------------
>
>                 Key: HIVE-11432
>                 URL: https://issues.apache.org/jira/browse/HIVE-11432
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Jay Pandya
>            Assignee: Pengcheng Xiong
>             Fix For: 1.3.0, 2.0.0
>
>         Attachments: HIVE-11432.01.patch
>
>
> If you use hive macro more than once while processing same row, hive returns same result
for all invocations even if the argument are different. 
> Example : 
> > CREATE  TABLE macro_testing(
>   a int,
>   b int,
>   c int)
> > select * from macro_testing;
> 1	2	3
> 4	5	6
> 7	8	9
> 10	11	12
> > create temporary macro math_square(x int)
>    x*x;
> > select math_square(a), b, math_square(c)  from macro_testing;
> 9	2	9
> 36	5	36
> 81	8	81
> 144	11	144



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