kosiew commented on code in PR #1222:
URL:
https://github.com/apache/datafusion-python/pull/1222#discussion_r2483148456
##########
docs/source/user-guide/dataframe/index.rst:
##########
@@ -195,10 +195,119 @@ To materialize the results of your DataFrame operations:
# Display results
df.show() # Print tabular format to console
-
+
# Count rows
count = df.count()
+Zero-copy streaming to Arrow-based Python libraries
+---------------------------------------------------
+
+DataFusion DataFrames implement the ``__arrow_c_stream__`` protocol, enabling
+zero-copy, lazy streaming into Arrow-based Python libraries. With the
streaming
+protocol, batches are produced on demand so you can process arbitrarily large
+results without out-of-memory errors.
Review Comment:
Amended
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