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From "Owen O'Malley (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-11504) Predicate pushing down doesn't work for float type for Parquet
Date Fri, 21 Aug 2015 16:36:47 GMT

    [ https://issues.apache.org/jira/browse/HIVE-11504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14706981#comment-14706981
] 

Owen O'Malley commented on HIVE-11504:
--------------------------------------

The goal is simplicity.

For the types that are strict super-type, there is no point in distinguishing them. It will
just make all of the users of the api add more switch statements.

So my point is the x = 1000 means exactly the same thing if x and 1000 are longs or integers.
Note that this is completely different than if x were double or string.

> Predicate pushing down doesn't work for float type for Parquet
> --------------------------------------------------------------
>
>                 Key: HIVE-11504
>                 URL: https://issues.apache.org/jira/browse/HIVE-11504
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Ferdinand Xu
>            Assignee: Ferdinand Xu
>         Attachments: HIVE-11504.1.patch, HIVE-11504.2.patch, HIVE-11504.2.patch, HIVE-11504.3.patch,
HIVE-11504.patch
>
>
> Predicate builder should use PrimitiveTypeName type in parquet side to construct predicate
leaf instead of the type provided by PredicateLeaf.



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