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From "Matt McCline (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (HIVE-14214) ORC Schema Evolution and Predicate Push Down do not work together (no rows returned)
Date Fri, 15 Jul 2016 10:29:20 GMT

    [ https://issues.apache.org/jira/browse/HIVE-14214?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15379200#comment-15379200
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Matt McCline edited comment on HIVE-14214 at 7/15/16 10:28 AM:
---------------------------------------------------------------

Thanks Sergey for the advice.

Patch #1 still needs a test for split elimination (i.e. test new code in OrcInputFormat.SplitGenerator.callInternal)

And, even at 10k, the 1/10th version of all100k is probably too big...


was (Author: mmccline):
Thanks Sergey for the advice.

Patch #1 still needs a test for split elimination (i.e. test new code in OrcInputFormat.SplitGenerator.callInternal)

> ORC Schema Evolution and Predicate Push Down do not work together (no rows returned)
> ------------------------------------------------------------------------------------
>
>                 Key: HIVE-14214
>                 URL: https://issues.apache.org/jira/browse/HIVE-14214
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>            Reporter: Matt McCline
>            Assignee: Matt McCline
>            Priority: Critical
>         Attachments: HIVE-14214.01.patch, HIVE-14214.WIP.patch
>
>
> In Schema Evolution, the reader schema is different than the file schema which is used
to evaluate predicate push down.



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