Method has_sequence

lib/sqlalchemy/engine/reflection.py:444–461

r"""Return True if the backend has a sequence with the given name. :param sequence_name: name of the sequence to check :param schema: schema name to query, if not the default schema. :param \**kw: Additional keyword argument to pass to the dialect specific implement

(
        self, sequence_name: str, schema: Optional[str] = None, **kw: Any
    )

            )

    def has_sequence(
        self, sequence_name: str, schema: Optional[str] = None, **kw: Any
    ) -> bool:
        r"""Return True if the backend has a sequence with the given name.

        :param sequence_name: name of the sequence to check
        :param schema: schema name to query, if not the default schema.
        :param \**kw: Additional keyword argument to pass to the dialect
         specific implementation. See the documentation of the dialect
         in use for more information.

        .. versionadded:: 1.4

        """
        with self._operation_context() as conn:
            return self.dialect.has_sequence(
                conn, sequence_name, schema, info_cache=self.info_cache, **kw
            )

    def has_index(
        self,