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From "Daniel Weeks (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-7800) Parquet Column Index Access Schema Size Checking
Date Fri, 03 Oct 2014 22:13:34 GMT

    [ https://issues.apache.org/jira/browse/HIVE-7800?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14158599#comment-14158599
] 

Daniel Weeks commented on HIVE-7800:
------------------------------------

One more in the list

4) Certain operations (group by + order by) lose the hive schema in the configuration, so
the table information isn't available in the 'prepareForRead' and column index access resolution
didn't work.

> Parquet Column Index Access Schema Size Checking
> ------------------------------------------------
>
>                 Key: HIVE-7800
>                 URL: https://issues.apache.org/jira/browse/HIVE-7800
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 0.14.0
>            Reporter: Daniel Weeks
>            Assignee: Daniel Weeks
>            Priority: Critical
>             Fix For: 0.14.0
>
>         Attachments: HIVE-7800.1.patch, HIVE-7800.2.patch, HIVE-7800.3.patch
>
>
> In the case that a parquet formatted table has partitions where the files have different
size schema, using column index access can result in an index out of bounds exception.



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