ueshin commented on a change in pull request #34227:
URL: https://github.com/apache/spark/pull/34227#discussion_r726577755
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File path: python/pyspark/pandas/namespace.py
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@@ -1378,11 +1383,11 @@ def read_sql_table(
reader.options(**options)
sdf = reader.format("jdbc").load()
index_spark_columns, index_names = _get_index_map(sdf, index_col)
- psdf = DataFrame(
+ psdf: DataFrame = DataFrame(
Review comment:
Ah, that's the reason!
We should add type hints to the initializer later.
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