Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/5555#discussion_r183866776
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/codegen/AggregationCodeGenerator.scala
---
@@ -151,8 +157,15 @@ class AggregationCodeGenerator(
}
}
- // initialize and create data views
- addReusableDataViews()
+ // get distinct filter of acc fields for each aggregate functions
+ val distinctAccType = s"${classOf[DistinctAccumulator[_, _]].getName}"
+ val isDistinctAggs = distinctAggs.map(_.nonEmpty)
--- End diff --
I think we don't need the type info of the accumulator to create the
`MapViewTypeInfo`, but the type info of the input type of the aggregation
function. The input types can be resolved from `physicalInputTypes` and
`aggFields`.
---
