base.py 文件源码

def initialize(self, connection):
        super(FBDialect, self).initialize(connection)
        self._version_two = ('firebird' in self.server_version_info and
                             self.server_version_info >= (2, )
                             ) or \
                            ('interbase' in self.server_version_info and
                                self.server_version_info >= (6, )
                             )

        if not self._version_two:
            # TODO: whatever other pre < 2.0 stuff goes here
            self.ischema_names = ischema_names.copy()
            self.ischema_names['TIMESTAMP'] = sqltypes.DATE
            self.colspecs = {
                sqltypes.DateTime: sqltypes.DATE
            }

        self.implicit_returning = self._version_two and \
            self.__dict__.get('implicit_returning', True)