MySQL中,获取行号需要通过自定义变量(select @rowNum:=0)与目标表做表关联才能得到对应的行号
- @rownum显示行号
- 示例:
SELECT
(@rowNum := @rowNum + 1) AS rowNum,
t1.*
FROM
room t1,
(SELECT @rowNum := 0) t2
- 结果:
MySQL中,获取行号需要通过自定义变量(select @rowNum:=0)与目标表做表关联才能得到对应的行号
SELECT
(@rowNum := @rowNum + 1) AS rowNum,
t1.*
FROM
room t1,
(SELECT @rowNum := 0) t2