allisonwang-db commented on code in PR #44564:
URL: https://github.com/apache/spark/pull/44564#discussion_r1440170222
##########
python/pyspark/sql/datasource.py:
##########
@@ -403,3 +410,36 @@ def register(
assert sc._jvm is not None
ds =
sc._jvm.org.apache.spark.sql.execution.python.UserDefinedPythonDataSource(wrapped)
self.sparkSession._jsparkSession.dataSource().registerPython(name, ds)
+
+
+class CaseInsensitiveDict(UserDict):
+ """
+ A case-insensitive map of string keys to values.
+
+ This is used by Python data source options to ensure consistent case
insensitivity.
+
+ .. versionadded: 4.0.0
Review Comment:
Yea you are right. Users shouldn't directly use this (unless they want to
unit test the data source).
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