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Posted to issues@spark.apache.org by "Takuya Ueshin (JIRA)" <ji...@apache.org> on 2016/11/25 05:23:58 UTC

[jira] [Created] (SPARK-18585) Use `ev.isNull = "false"` if possible for Janino to have a chance to optimize.

Takuya Ueshin created SPARK-18585:
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             Summary: Use `ev.isNull = "false"` if possible for Janino to have a chance to optimize.
                 Key: SPARK-18585
                 URL: https://issues.apache.org/jira/browse/SPARK-18585
             Project: Spark
          Issue Type: Improvement
          Components: SQL
            Reporter: Takuya Ueshin


Janino can optimize {{true ? a : b}} into {{a}} or {{false ? a : b}} into {{b}}, or if/else with literal condition, so we should use literal as {{ev.isNull}} if possible.



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