jorisvandenbossche commented on a change in pull request #87:
URL: https://github.com/apache/arrow-cookbook/pull/87#discussion_r733594060
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File path: python/source/io.rst
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@@ -577,4 +577,121 @@ The content of the file can be read back to a
:class:`pyarrow.Table` using
.. testoutput::
- {'a': [1, 3, 5, 7], 'b': [2.0, 3.0, 4.0, 5.0], 'c': [1, 2, 3, 4]}
\ No newline at end of file
+ {'a': [1, 3, 5, 7], 'b': [2.0, 3.0, 4.0, 5.0], 'c': [1, 2, 3, 4]}
+
+Writing Compressed Data
+=======================
+
+Arrow provides support for writing files in compressed format,
+both for formats that provide it natively like Parquet or Feather,
+and for formats that don't support it out of the box like CSV.
+
+Given a table:
+
+.. testcode::
+
+ table = pa.table([
+ pa.array([1, 2, 3, 4, 5])
+ ], names=["numbers"])
+
+Writing it compressed to parquet or feather requires passing the
Review comment:
For Parquet passing the argument is not actually "required", since we
use compression by default (using snappy). You can still use the keyword to
change the default compression strategy, though.
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