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Marek Novotny commented on SPARK-25469: --------------------------------------- [~hyukjin.kwon] Appologize for the duplicated ticket. Btw, do you have any idea why the ticket didn't get linked with the PR [#22471|https://github.com/apache/spark/pull/22471]? > Eval methods of Concat, Reverse and ElementAt should use pattern matching > only once > ----------------------------------------------------------------------------------- > > Key: SPARK-25469 > URL: https://issues.apache.org/jira/browse/SPARK-25469 > Project: Spark > Issue Type: Improvement > Components: SQL > Affects Versions: 2.4.0, 3.0.0 > Reporter: Marek Novotny > Priority: Major > > Pattern matching is utilized for each call of {{Concat.eval}}, > {{Reverse.nullSafeEval}} and {{ElementAt.nullSafeEval}} and thus for each > record of a dataset. This could lead to a performance penalty when expression > are executed in the interpreted mode. The goal of this ticket is to reduce > usage of pattern matching within the mentioned "eval" methods. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org