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Subject [GitHub] hequn8128 commented on a change in pull request #6521: [FLINK-5315][table] Adding support for distinct operation for table API on DataStream
Date Sat, 11 Aug 2018 02:06:12 GMT
hequn8128 commented on a change in pull request #6521: [FLINK-5315][table] Adding support for
distinct operation for table API on DataStream
URL: https://github.com/apache/flink/pull/6521#discussion_r209413346
 
 

 ##########
 File path: flink-libraries/flink-table/src/main/scala/org/apache/flink/table/functions/AggregateFunction.scala
 ##########
 @@ -136,4 +136,11 @@ abstract class AggregateFunction[T, ACC] extends UserDefinedFunction
{
     *         accumulator type should be automatically inferred.
     */
   def getAccumulatorType: TypeInformation[ACC] = null
+
+  private[flink] var isDistinctAgg: Boolean = false
+
+  private[flink] def distinct: AggregateFunction[T, ACC] = {
 
 Review comment:
   good catch!

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