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Posted to issues@spark.apache.org by "Yin Huai (JIRA)" <ji...@apache.org> on 2015/05/28 07:51:19 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 ]
Yin Huai updated SPARK-2863:
----------------------------
Target Version/s: (was: 1.4.0)
> 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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