    def get_conn(self):
        """
        Returns a mssql connection object
        """
        conn = self.get_connection(self.mssql_conn_id)
        conn = pymssql.connect(
            server=conn.host,
            user=conn.login,
            password=conn.password,
            database=self.schema or conn.schema,
            port=conn.port)
        return conn