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