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https://issues.apache.org/jira/browse/HIVE-5204?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13759474#comment-13759474
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Jason Dere commented on HIVE-5204:
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The tests I'm running have both 5203 and 5204 applied to trunk, which I think
should be sufficient given that 5203 is now committed to trunk.
> 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
> Attachments: HIVE-5204.1.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.
> NO PRECOMMIT TESTS - dependent on changes in HIVE-5203
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