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From ChengXiangLi <...@git.apache.org>
Subject [GitHub] flink pull request: [FLINK-3087] [Table-API] support multi count i...
Date Tue, 01 Dec 2015 01:51:53 GMT
Github user ChengXiangLi commented on the pull request:

    https://github.com/apache/flink/pull/1414#issuecomment-160822216
  
    `a.count` and `b.count` may not the same all the times(for example is `a` contains NULL
values), that's why i try to aggregate it twice. But NULL value is not allowed until now,
so i can update the PR in your way and revisit this issue after NULL value handling in Table
API is enabled.


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