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https://issues.apache.org/jira/browse/HIVE-5206?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13758229#comment-13758229
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Xuefu Zhang commented on HIVE-5206:
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I think it might be a good idea to file a separate, followup JIRA addressing
Ed's suggestion about unifying integers. I can see that there is a slight
difference between different types of integers and other parameterized types.
Existing integer types can be imaged to be integer type with the number of
bytes as a parameter. However, the possible values for that parameter is
enumerated and limited. It's hard to image that one day Hive will need to
support int(3). For char/varchar/decimal, however, there are continuous values
on the parameters.
Having said that, unifying integer types may make the code unify and add ease
to understand. To me, it seems a nice thing to have.
> Support parameterized primitive types
> -------------------------------------
>
> Key: HIVE-5206
> URL: https://issues.apache.org/jira/browse/HIVE-5206
> Project: Hive
> Issue Type: Improvement
> Components: Types
> Reporter: Jason Dere
> Assignee: Jason Dere
> Attachments: HIVE-5206.1.patch, HIVE-5206.D12693.1.patch
>
>
> Support for parameterized types is needed for char/varchar/decimal support.
> This adds a type parameters value to the
> PrimitiveTypeEntry/PrimitiveTypeInfo/PrimitiveObjectInspector objects.
> NO PRECOMMIT TESTS - dependent on HIVE-5203/HIVE-5204
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