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From "Apache Spark (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (SPARK-14338) Improve `SimplifyConditionals` rule to handle `null` in IF/CASEWHEN
Date Fri, 01 Apr 2016 23:53:25 GMT

     [ https://issues.apache.org/jira/browse/SPARK-14338?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Apache Spark reassigned SPARK-14338:
------------------------------------

    Assignee: Apache Spark

> 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
>            Assignee: Apache Spark
>
> 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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