base.py 文件源码

def initialize(self, connection):
        super(OracleDialect, self).initialize(connection)
        self.implicit_returning = self.__dict__.get(
            'implicit_returning',
            self.server_version_info > (10, )
        )

        if self._is_oracle_8:
            self.colspecs = self.colspecs.copy()
            self.colspecs.pop(sqltypes.Interval)
            self.use_ansi = False