Github user tdas commented on a diff in the pull request: https://github.com/apache/spark/pull/20859#discussion_r175580451 --- Diff: sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/analysis/UnsupportedOperationsSuite.scala --- @@ -140,6 +140,21 @@ class UnsupportedOperationsSuite extends SparkFunSuite { outputMode = Complete, expectedMsgs = Seq("distinct aggregation")) + assertNotSupportedInStreamingPlan( + "aggregate on both sides of stateful op", + EventTimeWatermark( + attribute, + CalendarInterval.fromString("interval 1 second"), + Aggregate( + attributeWithWatermark :: Nil, + aggExprs("a"), + EventTimeWatermark( + attribute, + CalendarInterval.fromString("interval 2 seconds"), + streamRelation))), + outputMode = Append, + expectedMsgs = Seq("both before and after")) --- End diff -- Add for other stateful operators as well.
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