如何解决如何使用条件联合同一个表中的两个有序查询
我有一张这样的桌子: x asc 给出的命令:
'Id','X','TYPE','ULLiID','ULLiText'
(1,'16','UL','tabcde1','ULText1'),(5,'17','LI','lkjhg1',''),(6,'yuiop1',(8,'25','abcde1',(4,'26','tlkjhg1','ULText2'),(3,'27','tyuiop1','ULText3'),(9,'30','lkjhg2',(7,'31','tessss','ULno'),(2,'32','wwxxxx',
按 TYPE DESC,RIGHT(ULLiID,5) ASC 给出的命令:
(1,'tabcde','abcde','ULno')
我需要它
(1,'')
这是我目前所做的:
WITH CTE AS
(
SELECT * ROW_NUMBER() OVER(ORDER BY X ASC) AS num_row
FROM table
ORDER BY X ASC
),CTE2 AS
(
SELECT
*
ROW_NUMBER() OVER(ORDER BY TYPE DESC,5) ASC) AS num_row2
FROM table
ORDER BY TYPE DESC,5) ASC
),CTE3 AS
(
SELECT * from CTE c1 where TYPE='UL' AND (num_row in(select num_row-1 from CTE where TYPE='UL'))
),CTE4 AS
(
SELECT * FROM CTE3
UNION DISTINCT
SELECT * FROM CTE2 c2 WHERE num_row2 BETWEEN 1 AND type='UL'
)
SELECT * FROM CTE3 给:
(4,
然后我尝试使用 CTE4
(4,'')
将其与 CTE 结合并提供我所需要的
版权声明:本文内容由互联网用户自发贡献,该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容, 请发送邮件至 dio@foxmail.com 举报,一经查实,本站将立刻删除。