Github user zecevicp commented on a diff in the pull request: https://github.com/apache/spark/pull/21109#discussion_r193751918 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala --- @@ -1205,6 +1205,19 @@ object SQLConf { .booleanConf .createWithDefault(true) + val USE_SMJ_INNER_RANGE_OPTIMIZATION = --- End diff -- It's just a safety valve. In case there are some queries that I don't foresee now where this could get in the way.
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