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From "Sergey Shelukhin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-9067) OrcFileMergeOperator may create merge file that does not match properties of input files
Date Sat, 13 Dec 2014 02:12:13 GMT

    [ https://issues.apache.org/jira/browse/HIVE-9067?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14245112#comment-14245112
] 

Sergey Shelukhin commented on HIVE-9067:
----------------------------------------

+1

> OrcFileMergeOperator may create merge file that does not match properties of input files
> ----------------------------------------------------------------------------------------
>
>                 Key: HIVE-9067
>                 URL: https://issues.apache.org/jira/browse/HIVE-9067
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 0.14.0, 0.15.0, 0.14.1
>            Reporter: Prasanth Jayachandran
>            Assignee: Prasanth Jayachandran
>            Priority: Minor
>              Labels: Orc
>         Attachments: HIVE-9067.1.patch, HIVE-9067.2.patch
>
>
> OrcFileMergeOperator creates a new ORC file and appends the stripes from smaller orc
file. This new ORC file creation should retain the same configuration as the small ORC files.
Currently it does not set the orc row index stride and file version. Also merging of stripe
statistics to file statistics was incorrect leading to issues like in HIVE-9080



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