Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/3743#discussion_r112471307
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/plan/ProjectionTranslator.scala
---
@@ -216,6 +216,26 @@ object ProjectionTranslator {
projectList += unresolved
}
+ case OverCall(agg, aggAlias, alias, _) =>
+ val overWindow = overWindows.find(_.alias.equals(alias))
+ val aggName = agg.child.asInstanceOf[UnresolvedFieldReference].name
+ val childrenOutput = parent.output
+ val candidates =
childrenOutput.filter(_.name.equalsIgnoreCase(aggName))
+
+ val resolvedFieldReference = if (candidates.length > 1) {
--- End diff --
The aggregations are automatically resolved and validated if we add `agg`
to the children of `OverCall`
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