Method _autoflush

lib/sqlalchemy/orm/session.py:3161–3175

(self)

        sa_exc.SAWarning,
    )
    def _autoflush(self) -> None:
        if self.autoflush and not self._flushing:
            try:
                self.flush()
            except sa_exc.StatementError as e:
                # note we are reraising StatementError as opposed to
                # raising FlushError with "chaining" to remain compatible
                # with code that catches StatementError, IntegrityError,
                # etc.
                e.add_detail(
                    "raised as a result of Query-invoked autoflush; "
                    "consider using a session.no_autoflush block if this "
                    "flush is occurring prematurely"
                )
                raise e.with_traceback(sys.exc_info()[2])

    def refresh(
        self,