maropu commented on a change in pull request #27008: [SPARK-30353][SQL] Add IsNotNull check in SimplifyBinaryComparison optimization URL: https://github.com/apache/spark/pull/27008#discussion_r361782832
########## File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/expressions.scala ########## @@ -384,22 +384,40 @@ object BooleanSimplification extends Rule[LogicalPlan] with PredicateHelper { /** * Simplifies binary comparisons with semantically-equal expressions: * 1) Replace '<=>' with 'true' literal. - * 2) Replace '=', '<=', and '>=' with 'true' literal if both operands are non-nullable. - * 3) Replace '<' and '>' with 'false' literal if both operands are non-nullable. Review comment: We need to update these statements above? IIUC this pr just checks more for non-nullable cases? ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org