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Posted to issues@spark.apache.org by "Reynold Xin (JIRA)" <ji...@apache.org> on 2015/06/10 05:26:01 UTC

[jira] [Updated] (SPARK-8220) math function: positive

     [ https://issues.apache.org/jira/browse/SPARK-8220?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Reynold Xin updated SPARK-8220:
-------------------------------
    Assignee: zhichao-li

> math function: positive
> -----------------------
>
>                 Key: SPARK-8220
>                 URL: https://issues.apache.org/jira/browse/SPARK-8220
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>            Reporter: Reynold Xin
>            Assignee: zhichao-li
>
> positive(INT a): INT
> positive(DOUBLE a): DOUBLE
> This is really just an identify function. We should create an Identity expression, and then in the optimizer just removes the Identity functions.



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