mysql 查询时额外查询一个index列,类似sqlserver的ROW_NUMBER()

发布时间 2023-09-25 11:44:00作者: 好记性不如烂笔头啊
-- 创建临时表
CREATE
TEMPORARY TABLE temp1 AS (   SELECT (@rowindex := @rowindex +1) AS rowindex,a.city_id,b.name as 'city_name' ,a.dept_name,a.final_point
  FROM aqjd_assessment_dept a
  JOIN sys_city b on a.city_id = b.id
  JOIN (SELECT (@rowindex := 0)) c -- rowindex 初始化
  WHERE a.city_station =1
  ORDER BY a.final_point DESC
);