Method sum

lib/sqlalchemy/orm/attributes.py:2360–2365

Return a collection of added + unchanged + deleted.

(self)

        return not bool((self.added or self.deleted) or self.unchanged)

    def sum(self) -> Sequence[Any]:
        """Return a collection of added + unchanged + deleted."""

        return (
            (self.added or []) + (self.unchanged or []) + (self.deleted or [])
        )

    def non_deleted(self) -> Sequence[Any]:
        """Return a collection of added + unchanged."""