[Python] Pandas.read_sql throw exception from sqlalchemy: AttributeError: 'Connection' object...

Discussão em 'Python' iniciado por Stack, Novembro 28, 2025.

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    #pd.version is '2.0.2' #sqlalchemy.version is '1.3.7'

    import pandas as pd
    from sqlalchemy import create_engine

    conn_str = 'connection_string'
    engine = create_engine(conn_str)


    Yesterday everything was fine and worked but today, when I call pd.read_sql(ANY_QUERY, con=engine) I get an exception:

    ~/anaconda3/lib/python3.9/site-packages/pandas/io/sql.py in read_sql(sql, con, index_col, coerce_float, params, parse_dates, columns, chunksize, dtype_backend, dtype)
    661 )
    662 else:
    --> 663 return pandas_sql.read_query(
    664 sql,
    665 index_col=index_col,

    ~/anaconda3/lib/python3.9/site-packages/pandas/io/sql.py in read_query(self, sql, index_col, coerce_float, parse_dates, params, chunksize, dtype, dtype_backend)
    1736
    1737 """
    -> 1738 result = self.execute(sql, params)
    1739 columns = result.keys()
    1740

    ~/anaconda3/lib/python3.9/site-packages/pandas/io/sql.py in execute(self, sql, params)
    1560 args = [] if params is None else [params]
    1561 if isinstance(sql, str):
    -> 1562 return self.con.exec_driver_sql(sql, *args)
    1563 return self.con.execute(sql, *args)
    1564

    AttributeError: 'Connection' object has no attribute 'exec_driver_sql'


    The solution is to add to engine .raw_connection() -> engine.raw_connection()

    But what is happening? I did nothing, no new libs, no lib updates. Could anyone please explain me.

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