Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/22029#discussion_r228393734 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala --- @@ -1561,6 +1561,16 @@ object SQLConf { .booleanConf .createWithDefault(false) + val LEGACY_IN_FALSE_FOR_NULL_FIELD = + buildConf("spark.sql.legacy.inOperator.falseForNullField") + .internal() + .doc("When set to true (default), the IN operator returns false when comparing literal " + --- End diff -- we should mention it only applies to multi-value in.
--- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org