HyukjinKwon commented on code in PR #48971:
URL: https://github.com/apache/spark/pull/48971#discussion_r1860026764
##########
python/docs/source/user_guide/sql/python_data_source.rst:
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@@ -516,3 +516,8 @@ The following example demonstrates how to implement a basic
Data Source using Ar
df = spark.read.format("arrowbatch").load()
df.show()
+
+Usage Notes
+-----------
+
+- During Data Source resolution, built-in and Scala/Java Data Sources take
precedence over Python Data Sources with the same name; to explicitly use a
Python Data Source, make sure its name does not conflict with the other Data
Sources.
Review Comment:
BTW, I think we should deal with the case when there are multiple Python
Data Sources having the same names
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