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Apache Arrow JIRA Bot commented on ARROW-14782:
-----------------------------------------------
This issue was last updated over 90 days ago, which may be an indication it is
no longer being actively worked. To better reflect the current state, the issue
is being unassigned per [project
policy|https://arrow.apache.org/docs/dev/developers/bug_reports.html#issue-assignment].
Please feel free to re-take assignment of the issue if it is being actively
worked, or if you plan to start that work soon.
> [C++][Python] The ORC writer does not support all-null object columns from
> Pandas
> ---------------------------------------------------------------------------------
>
> Key: ARROW-14782
> URL: https://issues.apache.org/jira/browse/ARROW-14782
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++, Python
> Reporter: Ian Alexander Joiner
> Assignee: Ian Alexander Joiner
> Priority: Minor
> Labels: orc
> Fix For: 11.0.0
>
>
> Object columns in Pandas are currently converted to Null type columns in
> Arrow and they can not be written using `pyarrow.orc.write_table`. Since ORC
> doesn't support Null type columns we need to find the appropriate DataType
> for such columns and do the write.
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