[jira] Commented: (HIVE-164) Support CASE and IF statement

["Ashish Thusoo (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-164?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12668298#action_12668298 ] 

Ashish Thusoo commented on HIVE-164:
------------------------------------

Should the root.logger go back to WARN.DRFA...


Looking at the rest of the diff...

> Support CASE and IF statement
> -----------------------------
>
>                 Key: HIVE-164
>                 URL: https://issues.apache.org/jira/browse/HIVE-164
>             Project: Hadoop Hive
>          Issue Type: New Feature
>          Components: Query Processor
>            Reporter: Zheng Shao
>            Assignee: David Phillips
>         Attachments: HIVE-164.1.patch
>
>
> See http://dev.mysql.com/doc/refman/5.0/en/control-flow-functions.html for details.
> Syntax:
> {code}
> CASE value WHEN [compare_value] THEN result [WHEN [compare_value] THEN result ...] [<ELSE result] END
> CASE WHEN [condition] THEN result [WHEN [condition] THEN result ...] [ELSE result] END 
> IF(expr1,expr2,expr3)
> {code}

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