tdas commented on a change in pull request #33093:
URL: https://github.com/apache/spark/pull/33093#discussion_r662279824
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/UnsupportedOperationChecker.scala
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@@ -232,6 +238,10 @@ object UnsupportedOperationChecker extends Logging {
// Check compatibility with output modes and aggregations in query
val aggsInQuery = collectStreamingAggregates(plan)
+ if (m.initialState.isStreaming) {
+ // initial state has to be a batch relation
Review comment:
Non-streaming DataFrame/Dataset is not supported as the initial state in
[flatMap|map]GroupsWithState operation on a streamiing DataFrame/Dataset
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