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Kazuyuki Tanimura commented on SPARK-36665: ------------------------------------------- I am working on this > Add more Not operator optimizations > ----------------------------------- > > Key: SPARK-36665 > URL: https://issues.apache.org/jira/browse/SPARK-36665 > Project: Spark > Issue Type: Improvement > Components: SQL > Affects Versions: 3.1.2, 3.2.0, 3.3.0 > Reporter: Kazuyuki Tanimura > Priority: Major > > {{BooleanSimplification should be able to do more simplifications for Not > operators applying following rules}} > # {{Not(null) == null}} > ## {{e.g. IsNull(Not(...)) can be IsNull(...)}} > # {{(Not(a) = b) == (a = Not(b))}} > ## {{e.g. Not(...) = true can be (...) = false}} > # {{(a != b) == (a = Not(b))}} > ## {{e.g. (...) != true can be (...) = false}} -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org