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Date: Wed, 10 Aug 2011 17:02:27 +0000 (UTC)
From: "Amareshwari Sriramadasu (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
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Subject: [jira] [Updated] (HIVE-2344) filter is removed due to regression of
 HIVE-1538
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     [ https://issues.apache.org/jira/browse/HIVE-2344?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Amareshwari Sriramadasu updated HIVE-2344:
------------------------------------------

    Attachment: hive-patch-2344-2.txt

Here is a patch doing the change. Not pushing the filter on 'udf as column in select' beyond select.

All tests passed with the patch.

> filter is removed due to regression of HIVE-1538
> ------------------------------------------------
>
>                 Key: HIVE-2344
>                 URL: https://issues.apache.org/jira/browse/HIVE-2344
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 0.8.0
>            Reporter: He Yongqiang
>            Assignee: Amareshwari Sriramadasu
>             Fix For: 0.8.0
>
>         Attachments: hive-patch-2344-2.txt, hive-patch-2344.txt, ppd_udf_col.q.out.txt
>
>
>  select * from 
>  (
>  select type_bucket,randum123
>  from (SELECT *, cast(rand() as double) AS randum123 FROM tbl where ds = ...) a
>  where randum123 <=0.1)s where s.randum123>0.1 limit 20;
> This is returning results...
> and 
>  explain
>  select type_bucket,randum123
>  from (SELECT *, cast(rand() as double) AS randum123 FROM tbl where ds = ...) a
>  where randum123 <=0.1
> shows that there is no filter.

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