alex-balikov commented on code in PR #38503:
URL: https://github.com/apache/spark/pull/38503#discussion_r1014428293
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/UnsupportedOperationChecker.scala:
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@@ -157,10 +172,11 @@ object UnsupportedOperationChecker extends Logging {
// Disallow multiple streaming aggregations
val aggregates = collectStreamingAggregates(plan)
- if (aggregates.size > 1) {
+ if (aggregates.size > 1 && outputMode != InternalOutputModes.Append) {
throwError(
"Multiple streaming aggregations are not supported with " +
Review Comment:
and we need to change the message accordingly - 'aggregations' -> 'stateful
operators'
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