有没有更快的方法来编写这三个相同的查询？

Question

有没有更快的查询方式可以重写或合并这些查询？

update products
set shop = '1' 
where shop LIKE '%demo%'

update products
set shop = '2' 
where shop LIKE '%car%'

update products
set shop = '3' 
where shop LIKE '%art%'

Answer 1

update products
set shop =
case 
when shop like '%demo%' then 1
when shop like '%car%' then 2
when shop like '%art%' then 3
else shop
end

Answer 2

也许是一个存储过程： http : //www.sqlinfo.net/mysql/mysql_stored_procedure_UPDATE.php