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DOC: document read_orc columns order behaviour #49709

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Nov 21, 2022
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3 changes: 3 additions & 0 deletions pandas/io/orc.py
Original file line number Diff line number Diff line change
Expand Up @@ -47,6 +47,9 @@ def read_orc(
``file://localhost/path/to/table.orc``.
columns : list, default None
If not None, only these columns will be read from the file.
Output always follows the ordering of the file and not the columns list.
This mirrors the original behaviour of
:external+pyarrow:py:meth:`pyarrow.orc.ORCFile.read`.
**kwargs
Any additional kwargs are passed to pyarrow.

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