Method tpc_rollback

psycopg/psycopg/connection.py:552–557

Roll back a prepared two-phase transaction.

(self, xid: Xid | str | None = None)

            self.wait(self._tpc_finish_gen("COMMIT", xid))

    def tpc_rollback(self, xid: Xid | str | None = None) -> None:
        """
        Roll back a prepared two-phase transaction.
        """
        with self.lock:
            self.wait(self._tpc_finish_gen("ROLLBACK", xid))

    def tpc_recover(self) -> list[Xid]:
        self._check_tpc()