MySQL的搜索量導致

Question

數據庫條目

臺試驗

name 
======================== 
Sunae Kasimov 
Obsop Natty 
Preem Kuman 

MySQL查詢

select * 
from test 
where name like 'na%' or 
     name like '% na%' or 
     name like '%na%'; 

回報爲了 1，然後2 但我想以2和1。那就是想給'％na％'更多的權重，然後'％na％'

任何方式，這可以在MySQL中完成？

Answer 1

select * from 
(
select * from name where name like '% na%' 
union 
select * from name where name like 'na%' 
union 
select * from name where name like '%na%' 
) a 

Answer 2

您應該在您的選擇和訂單中創建虛擬字段。例如：

select test.*, 
case when name like '% na%' 
     then 1 
    else 2 
end as OrderField 
from test 
where name like 'na%' or 
     name like '% na%' or 
     name like '%na%' 
order by OrderField