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ARROW-17092: [Docs] Add note about "Feather" to the IPC file format document #13693

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Jul 28, 2022
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ARROW-17092: [Docs] Add note about "Feather" to the IPC file format document #13693

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96719d1
add note about feather
eitsupi Jul 24, 2022
ac36ed3
add note about the ".feather" extension
eitsupi Jul 26, 2022
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6 changes: 5 additions & 1 deletion docs/source/format/Columnar.rst
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Expand Up @@ -1045,7 +1045,11 @@ file. Further more, it is invalid to have more than one **non-delta**
dictionary batch per dictionary ID (i.e. dictionary replacement is not
supported). Delta dictionaries are applied in the order they appear in
the file footer. We recommend the ".arrow" extension for files created with
this format.
this format. Note that files created with this format are sometimes called
"Feather V2" or with the ".feather" extension, the name and the extension
derived from "Feather (V1)", which was a proof of concept early in
the Arrow project for language-agnostic fast data frame storage for
Python (pandas) and R.

Dictionary Messages
-------------------
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