I need to get the IDs around an ID with mySQL.

Example:

IDs ??in the table:

2, 4, 5, 9, 11, 15, 19, 22, 25

I need to know the 5 IDs around the ID 9, for example.

The query should return:

4, 5, 9, 11, 15

Thanks!

解決方案

A possible solution would be to

calculate the absolute value of each id where you subtract your ID.

order the results and limit the resultset to 5 records.

SQL Statement

SELECT ABS(ID - 9), *

FROM MyTable

ORDER BY

ABS(ID - 9)

LIMIT 5

Edit (thx to ypercube for pointing out a possible flaw in this solution)

If the intent is to get 2 id's from the left and two id's from the right, the statement can be adjusted as follows

SELECT * FROM MyTable WHERE ID <= 9 ORDER BY ID DESC LIMIT 3

UNION ALL

SELECT * FROM MyTable WHERE ID > 9 ORDER BY ID ASC LIMIT 2

總結

以上是生活随笔為你收集整理的mysql 当前id前后几个,使用mysql选择id前后的行的全部內容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網站內容還不錯，歡迎將生活随笔推薦給好友。