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From wuchong <...@git.apache.org>
Subject [GitHub] flink pull request #2159: [FLINK-3942] [tableAPI] Add support for INTERSECT
Date Fri, 24 Jun 2016 12:44:35 GMT
GitHub user wuchong opened a pull request:


    [FLINK-3942] [tableAPI] Add support for INTERSECT

    Internally, I translate INTERSECT into a Join on all fields and then a distinct for removing
duplicate records. 
    As Calcite SQL Parser doesn't support `INTERSECT ALL` , so I didn't add `intersectAll()`
function to `Table`.
    I can add the corresponding documents if needed. 

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

    $ git pull https://github.com/wuchong/flink INTERSECT

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 #2159
commit a666a3aabb01090eb3c6205b28e54a0dbb2e8a05
Author: Jark Wu <wuchong.wc@alibaba-inc.com>
Date:   2016-06-24T11:57:09Z

    [FLINK-3942] [tableAPI] Add support for INTERSECT


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