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https://issues.apache.org/jira/browse/ARROW-6778?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Antoine Pitrou resolved ARROW-6778.
-----------------------------------
Fix Version/s: 1.0.0
Resolution: Fixed
Issue resolved by pull request 5578
[https://github.com/apache/arrow/pull/5578]
> [C++] Support DurationType in Cast kernel
> -----------------------------------------
>
> Key: ARROW-6778
> URL: https://issues.apache.org/jira/browse/ARROW-6778
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Joris Van den Bossche
> Assignee: Joris Van den Bossche
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.0.0
>
> Time Spent: 1h 50m
> Remaining Estimate: 0h
>
> Currently, duration is not yet supported in basic cast operations (using the
> python binding from ARROW-5855, currently from my branch, not yet merged):
> {code}
> In [25]: arr = pa.array([1, 2])
> In [26]: arr.cast(pa.duration('s'))
> ...
> ArrowNotImplementedError: No cast implemented from int64 to duration[s]
> In [27]: arr = pa.array([1, 2], pa.duration('s'))
> In [28]: arr.cast(pa.duration('ms'))
> ...
> ArrowNotImplementedError: No cast implemented from duration[s] to duration[ms]
> {code}
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