Method _bind_param

lib/sqlalchemy/sql/elements.py:3269–3293

(self, operator, obj, type_=None, expanding=False)

        return (self,)

    def _bind_param(self, operator, obj, type_=None, expanding=False):
        if expanding:
            return BindParameter(
                None,
                value=obj,
                _compared_to_operator=operator,
                unique=True,
                expanding=True,
                type_=type_,
                _compared_to_type=self.type,
            )
        else:
            return Tuple(
                *[
                    BindParameter(
                        None,
                        o,
                        _compared_to_operator=operator,
                        _compared_to_type=compared_to_type,
                        unique=True,
                        type_=type_,
                    )
                    for o, compared_to_type in zip(obj, self.type.types)
                ]
            )

    def self_group(self, against: Optional[OperatorType] = None) -> Self:
        # Tuple is parenthesized by definition.