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Apache Spark commented on SPARK-33315: -------------------------------------- User 'wangyum' has created a pull request for this issue: https://github.com/apache/spark/pull/30222 > simplify CaseWhen with EqualTo > ------------------------------ > > Key: SPARK-33315 > URL: https://issues.apache.org/jira/browse/SPARK-33315 > Project: Spark > Issue Type: Improvement > Components: SQL > Affects Versions: 3.1.0 > Reporter: Yuming Wang > Priority: Major > > {code:sql} > create table t(a int, b int, c int) using parquet; > SELECT * > FROM (SELECT CASE > WHEN a = 100 THEN 1 > WHEN b > 1000 THEN 2 > WHEN c IS NOT NULL THEN 3 > END AS x > FROM t) tmp > WHERE x = 2 > {code} > {noformat} > Before this PR: > Filter (CASE WHEN (a#1 = 100) THEN 1 WHEN (b#2 > 1000) THEN 2 WHEN > isnotnull(c#3) THEN 3 END = 2) > After this PR: > Filter (b#2 > 1000) > {noformat} -- 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