是可以计算mysql两行之间有多少行？

Question

我有一个像下面这样的mysql表.我想要计算浆果和草莓之间的行数,在我的情况下,这两个水果之间是两行.我怎样才能做到这一点？

id   fruit
1     apple
2     berry
3     banana
4     pineapple
5     strawberry

Answer 1

尝试这个查询，

  $sql = "SELECT COUNT(*) as total_count FROM table_name JOIN ( SELECT MAX(id) as 
  maxid,MIN(id) as minid FROM `table_name` WHERE fruit = 'berry' OR 
  fruit= 'strawberry') as temp ON table_name.id > temp.minid AND 
  table_name.id<temp.maxid";