darcy-shen commented on a change in pull request #32332:
URL: https://github.com/apache/spark/pull/32332#discussion_r677042167
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File path: python/pyspark/sql/session.py
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@@ -681,12 +694,14 @@ def createDataFrame(self, data, schema=None,
samplingRatio=None, verifySchema=Tr
def _create_dataframe(self, data, schema, samplingRatio, verifySchema):
if isinstance(schema, StructType):
+ no_need_to_prepare = not verifySchema
verify_func = _make_type_verifier(schema) if verifySchema else
lambda _: True
def prepare(obj):
verify_func(obj)
return obj
Review comment:
The prepare phase verification only covers when schema `isinstance` of
StructType and DataType.
The conversion phase covers when schema is None and is inferred during the
conversion phase.
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