(self, transaction: RootTransaction)
| 1102 | return self._nested_transaction |
| 1103 | |
| 1104 | def _begin_impl(self, transaction: RootTransaction) -> None: |
| 1105 | if self._echo: |
| 1106 | if self._is_autocommit_isolation(): |
| 1107 | self._log_info( |
| 1108 | "BEGIN (implicit; DBAPI should not BEGIN due to " |
| 1109 | "autocommit mode)" |
| 1110 | ) |
| 1111 | else: |
| 1112 | self._log_info("BEGIN (implicit)") |
| 1113 | |
| 1114 | self.__in_begin = True |
| 1115 | |
| 1116 | if self._has_events or self.engine._has_events: |
| 1117 | self.dispatch.begin(self) |
| 1118 | |
| 1119 | try: |
| 1120 | self.engine.dialect.do_begin(self.connection) |
| 1121 | except BaseException as e: |
| 1122 | self._handle_dbapi_exception(e, None, None, None, None) |
| 1123 | finally: |
| 1124 | self.__in_begin = False |
| 1125 | |
| 1126 | def _rollback_impl(self) -> None: |
| 1127 | if self._has_events or self.engine._has_events: |
no test coverage detected