[GitHub] flink pull request #5940: [FLINK-8690][table]Support group window distinct a...

[fhueske]

Github user fhueske commented on a diff in the pull request:

    https://github.com/apache/flink/pull/5940#discussion_r186022377
  
    --- Diff: 
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/codegen/AggregationCodeGenerator.scala
 ---
    @@ -641,7 +641,8 @@ class AggregationCodeGenerator(
                    |      java.util.Map.Entry entry = (java.util.Map.Entry) 
mergeIt$i.next();
                    |      Object k = entry.getKey();
    --- End diff --
    
    Change this line to `${classOf[Row].getCanonicalName} k = 
(${classOf[Row].getCanonicalName}) entry.getKey();`


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