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From lianhuiwang <>
Subject [GitHub] spark pull request #13494: [SPARK-15752] [SQL] support optimization for meta...
Date Fri, 03 Jun 2016 07:45:38 GMT
GitHub user lianhuiwang opened a pull request:

    [SPARK-15752] [SQL] support optimization for metadata only queries

    ## What changes were proposed in this pull request?
    when query only use metadata (example: partition key), it can return results based on
metadata without scanning files. Hive did it in HIVE-1003.
    ## How was this patch tested?
    add unit tests

You can merge this pull request into a Git repository by running:

    $ git pull metadata-only

Alternatively you can review and apply these changes as the patch at:

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #13494
commit 2ca2c38643d648f48638eb90b2a17b099047ce70
Author: Lianhui Wang <>
Date:   2016-06-03T07:34:02Z

    init commit


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