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From "Vikram Dixit K (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-8555) Too many casts results in loss of original string representation for constant
Date Thu, 23 Oct 2014 01:49:34 GMT

    [ https://issues.apache.org/jira/browse/HIVE-8555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14180894#comment-14180894
] 

Vikram Dixit K commented on HIVE-8555:
--------------------------------------

+1 for 0.14

> Too many casts results in loss of original string representation for constant 
> ------------------------------------------------------------------------------
>
>                 Key: HIVE-8555
>                 URL: https://issues.apache.org/jira/browse/HIVE-8555
>             Project: Hive
>          Issue Type: Bug
>          Components: Logical Optimizer
>    Affects Versions: 0.14.0
>            Reporter: Ashutosh Chauhan
>            Assignee: Ashutosh Chauhan
>             Fix For: 0.15.0
>
>         Attachments: HIVE-8555.1.patch, HIVE-8555.patch
>
>
> {code}
> SELECT key, value FROM src WHERE key = cast(86 as double);
> 86.0  val_86
> {code}
> With constant propagate off we get different and correct result.
> {code}
> set hive.optimize.constant.propagation=false;
> SELECT key, value FROM src WHERE key =  cast(86 as double);
> 86  val_86
> {code}



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