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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:
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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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