Method visit_not_in_op_binary

lib/sqlalchemy/sql/compiler.py:3371–3377

(self, binary, operator, **kw)

        )

    def visit_not_in_op_binary(self, binary, operator, **kw):
        # The brackets are required in the NOT IN operation because the empty
        # case is handled using the form "(col NOT IN (null) OR 1 = 1)".
        # The presence of the OR makes the brackets required.
        return "(%s)" % self._generate_generic_binary(
            binary, OPERATORS[operator], **kw
        )

    def visit_empty_set_op_expr(self, type_, expand_op, **kw):
        if expand_op is operators.not_in_op: