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From "Prasad Chakka (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HIVE-532) predicate clause with limit should not be pushed down.
Date Tue, 02 Jun 2009 20:53:07 GMT

     [ https://issues.apache.org/jira/browse/HIVE-532?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Prasad Chakka updated HIVE-532:
-------------------------------

    Attachment: hive-532.patch

made limit operator similar to that of script operator. predicates are not pushed past beyond
a limit or script operator.

> predicate clause with limit should not be pushed down.
> ------------------------------------------------------
>
>                 Key: HIVE-532
>                 URL: https://issues.apache.org/jira/browse/HIVE-532
>             Project: Hadoop Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.4.0
>            Reporter: Prasad Chakka
>            Assignee: Prasad Chakka
>             Fix For: 0.4.0
>
>         Attachments: hive-532.patch
>
>
> in queries like below , 'v.c2 > 20' shouldn't be pushed up.
> select * from (select * from t where t.c > 20 limit 20) v where v.c2 > 20
>  

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