amol- commented on a change in pull request #87:
URL: https://github.com/apache/arrow-cookbook/pull/87#discussion_r733612946
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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:
I reasoned it in terms that even the "default value" is still an
argument that you are passing to the function (just implicitly) but you are
correct that it's confusing for the user. I'll rephrase, but I think that
explicit is better than implicit in examples and thus will leave the discussion
about implicit compression as a note
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