viirya commented on a change in pull request #28025:
[SPARK-31186][PySpark][SQL] toPandas should not fail on duplicate column names
URL: https://github.com/apache/spark/pull/28025#discussion_r398951087
##########
File path: python/pyspark/sql/pandas/conversion.py
##########
@@ -132,25 +132,35 @@ def toPandas(self):
# Below is toPandas without Arrow optimization.
pdf = pd.DataFrame.from_records(self.collect(), columns=self.columns)
- dtype = {}
- for field in self.schema:
+ dtype = [None] * len(self.schema)
+ for fieldIdx in range(len(self.schema)):
Review comment:
ok.
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