Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/3443#discussion_r105045766
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/plan/rules/FlinkRuleSets.scala
---
@@ -165,6 +165,11 @@ object FlinkRuleSets {
// merge and push unions rules
UnionEliminatorRule.INSTANCE,
+
+ // aggregations over intervals should be enabled to be translated
also in
+ //queries with LogicalWindows, not only queries with LogicalCalc
+ ProjectWindowTransposeRule.INSTANCE,
+ ProjectToWindowRule.INSTANCE,
--- End diff --
This rule has been added to the normalization phase. It can be removed here.
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