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Posted to issues@spark.apache.org by "Dongjoon Hyun (JIRA)" <ji...@apache.org> on 2016/04/02 01:49:25 UTC

[jira] [Created] (SPARK-14338) Improve `SimplifyConditionals` rule to handle `null` in IF/CASEWHEN

Dongjoon Hyun created SPARK-14338:
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             Summary: Improve `SimplifyConditionals` rule to handle `null` in IF/CASEWHEN
                 Key: SPARK-14338
                 URL: https://issues.apache.org/jira/browse/SPARK-14338
             Project: Spark
          Issue Type: Improvement
          Components: Optimizer, SQL
            Reporter: Dongjoon Hyun


Currently, `SimplifyConditionals` handles `true` and `false` to optimize branches. This issue improves `SimplifyConditionals` to take advantage of `null` conditions for `if` and `CaseWhen` expressions, too.



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