错误码: 1630 FUNCTION count does not exist. Check the ‘Function Name Parsing and Resolution‘ section in

错误码: 1630FUNCTION count does not exist. Check the'Function Name Parsing and Resolution' section in the Reference Manual解决方案：如sum() count() avg这些函数里面是这样子写的sum () sum和()分开了，不是挨着写的，所以报这个错