Method self_group

lib/sqlalchemy/sql/elements.py:3210–3216

(
        self, against: Optional[OperatorType] = None
    )

        return (self,)

    def self_group(
        self, against: Optional[OperatorType] = None
    ) -> Union[Self, Grouping[bool]]:
        if not self.clauses:
            return self
        else:
            return super().self_group(against=against)


and_ = BooleanClauseList.and_