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Posted to issues@spark.apache.org by "DB Tsai (JIRA)" <ji...@apache.org> on 2018/07/23 18:59:00 UTC

[jira] [Created] (SPARK-24893) Remove the entire CaseWhen if all the outputs are semantic equivalence

DB Tsai created SPARK-24893:
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             Summary: Remove the entire CaseWhen if all the outputs are semantic equivalence
                 Key: SPARK-24893
                 URL: https://issues.apache.org/jira/browse/SPARK-24893
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 2.3.0
            Reporter: DB Tsai
            Assignee: DB Tsai


Similar to [SPARK-24890], if all the outputs of `CaseWhen` are semantic equivalence, `CaseWhen` can be removed.



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