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From "Prasanth Jayachandran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-15066) push down projection is mismatched in HiveInputFormat
Date Thu, 01 Dec 2016 01:06:58 GMT

    [ https://issues.apache.org/jira/browse/HIVE-15066?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15710427#comment-15710427
] 

Prasanth Jayachandran commented on HIVE-15066:
----------------------------------------------

HIVE-7052 have more context to it. Appending values to config object is very CPU intensive
and increases split computation time.

> push down projection is mismatched in HiveInputFormat
> -----------------------------------------------------
>
>                 Key: HIVE-15066
>                 URL: https://issues.apache.org/jira/browse/HIVE-15066
>             Project: Hive
>          Issue Type: Bug
>          Components: File Formats
>    Affects Versions: 2.1.0
>            Reporter: Jeongdae Kim
>            Assignee: Jeongdae Kim
>         Attachments: HIVE-15066.1.patch
>
>
> if HiveInputFormat.getSplits() is called with more than one table, inputFormatClass.getSplits()
for the first table will be called with read column information for the second table.



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