Method _negate

lib/sqlalchemy/sql/elements.py:3735–3743

(self)

        return self.element._from_objects

    def _negate(self) -> ColumnElement[Any]:
        if self.type._type_affinity is type_api.BOOLEANTYPE._type_affinity:
            return UnaryExpression(
                self.self_group(against=operators.inv),
                operator=operators.inv,
                type_=type_api.BOOLEANTYPE,
            )
        else:
            return ColumnElement._negate(self)

    def self_group(
        self, against: Optional[OperatorType] = None