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From "Chinna Rao Lalam (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-2512) After HIVE-2145, Hive disallow any use of function in cluster-by clause
Date Wed, 19 Oct 2011 18:45:11 GMT

    [ https://issues.apache.org/jira/browse/HIVE-2512?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13130867#comment-13130867
] 

Chinna Rao Lalam commented on HIVE-2512:
----------------------------------------

SemanticAnalyzer.genReduceSinkPlan() added a function validation check for orderby and sortby
in the same flow clusterby also executing so it is throwing execption for the clusterby also.

Orderby and Sortby wont support the functions so need to add the function validation check.

Now validation check is modified like it should check only for the orderby and sortby.

Patch is uploaded and testcases are executing
                
> After HIVE-2145, Hive disallow any use of function in cluster-by clause
> -----------------------------------------------------------------------
>
>                 Key: HIVE-2512
>                 URL: https://issues.apache.org/jira/browse/HIVE-2512
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Ning Zhang
>            Assignee: Chinna Rao Lalam
>         Attachments: HIVE-2512.patch
>
>
> After HIVE-2145, the following query returns a semantic analysis error: 
> FROM src SELECT * cluster by rand();
> FAILED: Error in semantic analysis: functions are not supported in order by
> Looking back at HIVE-2145, it's clear that the patch is more restrictive than necessary.

> Chinna, are you able to work on it? Please let me know if you don't have cycles to do
it now. 

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