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https://issues.apache.org/jira/browse/HIVE-497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12711376#action_12711376
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Prasad Chakka commented on HIVE-497:
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yes, we should turn on ppd. let's make it a different JIRA.
@ashish, TestParse results shouldn't need to be changed since ppd is not
enabled for them. and tests passed fine for me. anyways, i am rerunning the
tests.
> predicate pushdown fails if all columns are not selected
> --------------------------------------------------------
>
> Key: HIVE-497
> URL: https://issues.apache.org/jira/browse/HIVE-497
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.4.0
> Reporter: Prasad Chakka
> Assignee: Prasad Chakka
> Fix For: 0.4.0
>
> Attachments: hive-497.2.patch, hive-497.patch
>
>
> predicate pushdown seems to fail in some scenarios... it is ok if all the
> columns are selected.
> create table ppda(a string, b string);
> select a from ppda where ppda.a > 10; --> fails
> select b from ppda where ppda.a > 10; --> ok
> select * from ppda where ppda.a > 10; --> ok
> select b from appd where appd.b > 10 and appd.a > 20; --> ok
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