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https://issues.apache.org/jira/browse/ARROW-14006?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17415685#comment-17415685
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Joris Van den Bossche commented on ARROW-14006:
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Also writing to CSV seems to support timestamp columns, though. Are you using
the latest pyarrow version? (it might this is only available in master)
> [C++][Python] Support cast of naive timestamps to strings
> ---------------------------------------------------------
>
> Key: ARROW-14006
> URL: https://issues.apache.org/jira/browse/ARROW-14006
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++, Python
> Reporter: Jorge Leitão
> Priority: Minor
> Labels: kernel, types
>
> When writing to CSV, timestamp columns error with cast_string not supporting
> timestamp[ns]. It would be nice to support this cast this via e.g. [ISO
> 8601|https://en.wikipedia.org/wiki/ISO_8601].
> This happened when trying to use postgres' {{COPY ... FROM STDIN WITH CSV}},
> which is a method to bulk load data into postgres.
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