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https://issues.apache.org/jira/browse/ARROW-1816?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16262907#comment-16262907
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ASF GitHub Bot commented on ARROW-1816:
---------------------------------------

BryanCutler commented on issue #1330: ARROW-1816: [Java] Resolve new vector 
classes structure for timestamp, date and maybe interval    
URL: https://github.com/apache/arrow/pull/1330#issuecomment-346408827
 
 
   > @BryanCutler I am a bit reluctant to check unit and timezone in value 
holders because of performance reasons.
   
   Yeah it doesn't make sense to do all these checks each access, so I just 
wanted to pose the question to make sure it wasn't a blocker for doing this 
refactor.  I don't use the holder APIs so it's fine with me but maybe 
@siddharthteotia has some thoughts on this?
   

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> [Java] Resolve new vector classes structure for timestamp, date and maybe 
> interval
> ----------------------------------------------------------------------------------
>
>                 Key: ARROW-1816
>                 URL: https://issues.apache.org/jira/browse/ARROW-1816
>             Project: Apache Arrow
>          Issue Type: Sub-task
>            Reporter: Li Jin
>              Labels: pull-request-available
>             Fix For: 0.8.0
>
>
> Personally I think having 8 vector classes for timestamps is not great. This 
> is discussed at some point during the PR:
> https://github.com/apache/arrow/pull/1203#discussion_r145241388



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