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From "Phabricator (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-2810) Implement NULL-safe equality operator <=>
Date Wed, 22 Feb 2012 03:04:58 GMT

    [ https://issues.apache.org/jira/browse/HIVE-2810?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13213224#comment-13213224
] 

Phabricator commented on HIVE-2810:
-----------------------------------

cwsteinbach has requested changes to the revision "HIVE-2810 [jira] Implement NULL-safe equality
operator <=>".

  Looks good. However, I have a hunch that this doesn't work with JOINs (e.g. see HIVE-741).
Can you please add a testcase that uses the NULL-safe comparison operator in a JOIN condition?
Thanks.

REVISION DETAIL
  https://reviews.facebook.net/D1791

BRANCH
  DPAL-843

                
> Implement NULL-safe equality operator <=>
> -----------------------------------------
>
>                 Key: HIVE-2810
>                 URL: https://issues.apache.org/jira/browse/HIVE-2810
>             Project: Hive
>          Issue Type: New Feature
>          Components: Query Processor, UDF
>    Affects Versions: 0.9.0
>            Reporter: Carl Steinbach
>            Assignee: Navis
>             Fix For: 0.9.0
>
>         Attachments: HIVE-2810.D1791.1.patch
>
>
> Ref: http://dev.mysql.com/doc/refman/5.0/en/comparison-operators.html#operator_equal-to

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