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From "Prasanth J (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-5876) Split elimination in ORC breaks for partitioned tables
Date Sat, 23 Nov 2013 00:25:36 GMT

     [ https://issues.apache.org/jira/browse/HIVE-5876?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Prasanth J updated HIVE-5876:
-----------------------------

    Attachment: HIVE-5876.1.patch

> Split elimination in ORC breaks for partitioned tables
> ------------------------------------------------------
>
>                 Key: HIVE-5876
>                 URL: https://issues.apache.org/jira/browse/HIVE-5876
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 0.13.0
>            Reporter: Prasanth J
>            Assignee: Prasanth J
>              Labels: orcfile
>         Attachments: HIVE-5876.1.patch
>
>
> HIVE-5632 eliminates ORC stripes from split computation that do not satisfy SARG condition.
SARG expression can also refer to partition columns. But partition column will not be contained
in the column names list in ORC file. This was causing ArrayIndexOutOfBoundException in split
elimination logic when used with partitioned tables. The fix is to ignore evaluation of partition
column expressions in split elimination.



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