Github user tdas commented on a diff in the pull request: https://github.com/apache/spark/pull/21560#discussion_r196580603 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/UnsupportedOperationChecker.scala --- @@ -350,7 +350,14 @@ object UnsupportedOperationChecker { _: TypedFilter) => case node if node.nodeName == "StreamingRelationV2" => case node => - throwError(s"Continuous processing does not support ${node.nodeName} operations.") + val aboveSinglePartitionCoalesce = node.find { --- End diff -- Will this allow `kafkaStreamDF.coalesc(1).select(...).filter(...).agg(...)`?
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