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【Python05-BUG】pandas pd.DataFrame.to_sql()引起的sqlalchemy.exc.IntegrityError: (pymysql.err.IntegrityError) (1048, "Column 'data_value' cannot be null") [SQL: 'INSERT INTO....
sqlalchemy.exc.IntegrityError: (mysql.connector.errors.IntegrityError) 1062 (23000): Duplicate entry '1' for key 'PRIMARY'
pymysql.err.IntegrityError: (1062, “Duplicate entry ‘ ‘ for key ‘PRIMARY‘“)
mysql IntegrityError: (pymysql.err.IntegrityError) (1062, "Duplicate entry '000001.SZ-2018-07-02' for key 'PRIMARY'")
pymysql.err.IntegrityError: (1062, "Duplicate entry 'roxml-ROXML' for key 'PRIMARY'")
IntegrityError錯誤
sqlalchemy.exc.ProgrammingError: (pymysql.err.ProgrammingError)
sqlalchemy錯誤：sqlalchemy.orm.exc.DetachedInstanceError
sqlalchemy.exc.InternalError: (pymysql.err.InternalError) (1091, "Can't DROP 'users_ibfk_1'; check that column/key exists") [SQL: ALTER TABLE users DROP FOREIGN KEY users_ibfk_1]
sqlalchemy 使用pymysql連接mysql 1366錯誤