HyukjinKwon commented on a change in pull request #32332:
URL: https://github.com/apache/spark/pull/32332#discussion_r621784594
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File path: python/pyspark/sql/session.py
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@@ -478,13 +478,22 @@ def _inferSchema(self, rdd, samplingRatio=None,
names=None):
schema = rdd.map(lambda row: _infer_schema(row,
names)).reduce(_merge_type)
return schema
- def _createFromRDD(self, rdd, schema, samplingRatio):
+ def _create_verified_converter(self, schema, verifySchema):
+ converter = _create_converter(schema)
+ verify_func = _make_type_verifier(schema) if verifySchema else lambda
_: True
+
+ def verify_and_convert(obj):
+ verify_func(obj)
Review comment:
I still think we should avoid doing this again though. the verification
func is pretty expensive
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