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Posted to issues@spark.apache.org by "Michael Armbrust (JIRA)" <ji...@apache.org> on 2014/11/03 23:58:33 UTC

[jira] [Updated] (SPARK-2863) Emulate Hive type coercion in native reimplementations of Hive functions

     [ https://issues.apache.org/jira/browse/SPARK-2863?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Armbrust updated SPARK-2863:
------------------------------------
    Target Version/s: 1.3.0  (was: 1.2.0)

> Emulate Hive type coercion in native reimplementations of Hive functions
> ------------------------------------------------------------------------
>
>                 Key: SPARK-2863
>                 URL: https://issues.apache.org/jira/browse/SPARK-2863
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 1.0.0
>            Reporter: William Benton
>            Assignee: William Benton
>
> Native reimplementations of Hive functions no longer have the same type-coercion behavior as they would if executed via Hive.  As [Michael Armbrust points out|https://github.com/apache/spark/pull/1750#discussion_r15790970], queries like {{SELECT SQRT("2") FROM src LIMIT 1}} succeed in Hive but fail if {{SQRT}} is implemented natively.
> Spark SQL should have Hive-compatible type coercions for arguments to natively-implemented functions.



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