Github user jose-torres commented on a diff in the pull request:
https://github.com/apache/spark/pull/21733#discussion_r201791805
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala ---
@@ -825,6 +825,16 @@ object SQLConf {
.intConf
.createWithDefault(100)
+ val ADVANCED_REMOVE_REDUNDANT_IN_STATEFUL_AGGREGATION =
--- End diff --
Can this be a query option instead of a SparkConf, then? I worry it will be
very hard to reason about the current scenario, where the conf defines how all
states are stored - except that some streams started with a different value
will silently override it.
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