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https://issues.apache.org/jira/browse/SPARK-3485?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Armbrust resolved SPARK-3485.
-------------------------------------
       Resolution: Fixed
    Fix Version/s: 1.2.0

Issue resolved by pull request 2407
[https://github.com/apache/spark/pull/2407]

> should check parameter type when find constructors
> --------------------------------------------------
>
>                 Key: SPARK-3485
>                 URL: https://issues.apache.org/jira/browse/SPARK-3485
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: Adrian Wang
>             Fix For: 1.2.0
>
>
> In hiveUdfs, we get constructors of primitivetypes by find a constructor 
> which takes only one parameter. This is very dangerous when more than one 
> constructors match. When the sequence of primitiveTypes becomes larger, the 
> problem would occur.



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