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https://issues.apache.org/jira/browse/ARROW-8934?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17124032#comment-17124032
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Wes McKinney edited comment on ARROW-8934 at 6/2/20, 4:41 PM:
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We must be careful not to instantiate unnecessary templates when doing this
was (Author: wesmckinn):
We must be careful not to instantitate unnecessary templates when doing this
> [C++] Add timestamp subtract kernel aliased to int64 subtract implementation
> ----------------------------------------------------------------------------
>
> Key: ARROW-8934
> URL: https://issues.apache.org/jira/browse/ARROW-8934
> Project: Apache Arrow
> Issue Type: New Feature
> Components: C++
> Reporter: Wes McKinney
> Priority: Major
> Fix For: 1.0.0
>
>
> We can use the same scalar exec function for int64 subtraction as well as
> {{(array[TIMESTAMP], array[TIMESTAMP]) -> duration}}.
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