Github user wuchong commented on a diff in the pull request:
https://github.com/apache/flink/pull/2792#discussion_r87708469
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/api/table/runtime/aggregate/AggregateUtil.scala
---
@@ -61,25 +61,108 @@ object AggregateUtil {
* }}}
*
*/
- def createOperatorFunctionsForAggregates(
+ def createOperatorFunctionsForAggregates(
--- End diff --
It is a little confused that what's the difference between these two
`createOperatorFunctionsForAggregates` .
Could we remove the first one, and call `transformToAggregateFunctions`
explicitly before `createOperatorFunctionsForAggregates` in DataSetAggregate ?
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