GitHub user guowei2 opened a pull request:

    https://github.com/apache/spark/pull/5604

    [SPARK-1442][SQL][WIP] Window Function Support for Spart SQL

    The PR is WIP now for NPE when generating golden answer

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

    $ git pull https://github.com/guowei2/spark windowImplement

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

    https://github.com/apache/spark/pull/5604.patch

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

    This closes #5604
    
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commit 31397d1f50922d1dfa27af6bf4559a6f0080c7cc
Author: guowei2 <[email protected]>
Date:   2015-03-04T03:39:38Z

    window function

commit ea8a9e4dc08026292a40c4d95cff55117ea98ac6
Author: guowei2 <[email protected]>
Date:   2015-03-27T07:41:22Z

    reflect window function

commit 42de8f907daea4a4dfede306d8c3b5cd5b4f99e8
Author: guowei2 <[email protected]>
Date:   2015-03-30T05:11:46Z

    code style

commit cd2b54415e94e901ee6c3924551b6c9514f1e2fe
Author: guowei2 <[email protected]>
Date:   2015-03-30T10:19:17Z

    sql parser support to use spark own aggregate functions

commit 4ab160c4b8d771b554543002d242ff8cb6246673
Author: guowei2 <[email protected]>
Date:   2015-03-31T08:01:47Z

    check whether to sort by other key in one partition

commit 8ec5bc96b73cb8bb17af2b41a075017ca24a26f9
Author: guowei2 <[email protected]>
Date:   2015-04-02T03:16:50Z

    fix window with group by

commit cd8a0bc0eaff7a6e0247bff5480ea0b4a08b6ba9
Author: guowei2 <[email protected]>
Date:   2015-04-03T02:24:49Z

    fix rank dese_rank lead lag

commit 33bebb680f980786326d919baf1a44981dc274c7
Author: guowei2 <[email protected]>
Date:   2015-04-03T03:17:57Z

    fix rank dese_rank lead lag

commit af3b618494bf5944f4dfeb68b352112ec4fe34fc
Author: guowei2 <[email protected]>
Date:   2015-04-07T07:13:26Z

    fix bug

commit e1f2e9578596288246363f90f30913034a9bd7d1
Author: guowei2 <[email protected]>
Date:   2015-04-07T07:37:21Z

    fix rebase issue

commit 6858572d5a5bf6a4e81461debb713a13c66ff104
Author: guowei2 <[email protected]>
Date:   2015-04-21T05:20:37Z

    remove test suite temporarily for NPE when generating golden answer

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