Github user jose-torres commented on a diff in the pull request: https://github.com/apache/spark/pull/21733#discussion_r201397799 --- 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 -- I get worried when I see things described as "advanced features". What will go wrong if a user who's insufficiently advanced tries to use it?
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