mysql同一字段求和
想求api_code相同的数据之和，然后排序，用select api_code,sum(total_call_cnt)total_call_cnt 然后group by api_code order by sum(total_call_cnt) desc
想求api_code相同的数据之和，然后排序，用select api_code,sum(total_call_cnt)total_call_cnt 然后group by api_code order by sum(total_call_cnt) desc