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From sunjincheng121 <...@git.apache.org>
Subject [GitHub] flink pull request #5241: [FLINK-8325][table] Add COUNT(*),COUNT(1) supporte...
Date Tue, 09 Jan 2018 16:26:09 GMT
Github user sunjincheng121 commented on a diff in the pull request:

    https://github.com/apache/flink/pull/5241#discussion_r160454995
  
    --- Diff: flink-libraries/flink-table/src/test/scala/org/apache/flink/table/runtime/batch/sql/SetOperatorsITCase.scala
---
    @@ -278,7 +278,14 @@ class SetOperatorsITCase(
         TestBaseUtils.compareResultAsText(results.asJava, expected)
       }
     
    +  /**
    +    * This test will checks IN for NULLs based on whether COUNT (*) and COUNT (a) are
equal. Due to
    +    * [[org.apache.flink.table.plan.rules.dataSet.DataSetAggregateWithNullValuesRule]]
will
    +    * union a NULL row in to input DataSet for non-groupBy agg. That caused COUNT (*)
and COUNT(a)
    +    * are not equal. So this test case ignored before FLINK-8355 be fixed.
    --- End diff --
    
    Maybe I did not clearly express what I mean. :) 


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