GitHub user kiszk opened a pull request:

    [SPARK-17680] [SQL] [TEST] Added test cases for InMemoryRelation

    ## What changes were proposed in this pull request?
    This pull request adds test cases for the following cases:
    - keep all data types with null or without null
    - access `CachedBatch` disabling whole stage codegen
    - access only some columns in `CachedBatch`
    This PR is a part of Here are 
motivations to add these tests. When 
is enabled, the first two cases are handled by specialized (generated) code. 
The third one is a pitfall.
    In general, even for now, it would be helpful to increase test coverage.
    ## How was this patch tested?
    added test suites itself

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

    $ git pull columnartestsuites

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 #15462
commit b5e98666937410494c3d88596d89e53fbf22f705
Author: Kazuaki Ishizaki <>
Date:   2016-10-13T09:22:38Z

    added test suites


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