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https://issues.apache.org/jira/browse/ARROW-12809?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Antoine Pitrou closed ARROW-12809.
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Resolution: Not A Problem
> [C++] Add StrptimeOptions defaults
> ----------------------------------
>
> Key: ARROW-12809
> URL: https://issues.apache.org/jira/browse/ARROW-12809
> Project: Apache Arrow
> Issue Type: New Feature
> Components: C++
> Reporter: Neal Richardson
> Priority: Major
>
> Per
> https://github.com/apache/arrow/blob/master/cpp/src/arrow/compute/kernels/scalar_string.cc#L1744
> there are no default options for strptime (format, unit). But the
> TimestampType constructor has a default unit of milliseconds
> (https://github.com/apache/arrow/blob/master/cpp/src/arrow/type.h#L1236), and
> a reasonable default for {{format}} would be ISO8601.
> cc [~bkietz] [~wesm] for opinions as the authors of this code (according to
> {{git blame}})
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