rollup 질문입니다.

안녕하세요 질문 있습니다.

 SELECT name, place, SUM(count) FROM cars GROUP BY ROLLUP(name, place);

계속 rollup 할때 에라가 발생하는데 어떤에라인지 궁금합니다.

ERROR:  function rollup(text, text) does not exist
LINE 1: ...SELECT name, place, SUM(count) FROM cars GROUP BY ROLLUP(nam...
                                                            ^
HINT:  No function matches the given name and argument types. You might need to add explicit type casts.
********** Error **********

ERROR: function rollup(text, text) does not exist
SQL state: 42883
Hint: No function matches the given name and argument types. You might need to add explicit type casts.
Character: 53