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From "Ashutosh Chauhan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-5204) Change type compatibility methods to use PrimitiveCategory rather than TypeInfo
Date Tue, 10 Sep 2013 04:05:54 GMT

     [ https://issues.apache.org/jira/browse/HIVE-5204?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ashutosh Chauhan updated HIVE-5204:
-----------------------------------

       Resolution: Fixed
    Fix Version/s: 0.13.0
           Status: Resolved  (was: Patch Available)

Committed on 9/6. Thanks, Jason!
                
> Change type compatibility methods to use PrimitiveCategory rather than TypeInfo
> -------------------------------------------------------------------------------
>
>                 Key: HIVE-5204
>                 URL: https://issues.apache.org/jira/browse/HIVE-5204
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Jason Dere
>            Assignee: Jason Dere
>             Fix For: 0.13.0
>
>         Attachments: HIVE-5204.1.patch, HIVE-5204.2.patch, HIVE-5204.D12687.1.patch
>
>
> The type compatibility methods in the FunctionRegistry (getCommonClass, implicitConvertable)
compare TypeInfo objects directly when its doing its type compatibility logic. This won't
work as well with qualified types (varchar, char, decimal), because we will need different
TypeInfo objects to represent varchar(5) and varchar(10), and the equality comparisons won't
work anymore. We can change this logic to look at the PrimitiveCategory for the TypeInfo instead.

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