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create table users (
id int,
name varchar(64),
flag1 tinyint,
flag2 tinyint,
flag3 tinyint,
flag4 tinyint
);
insert into users values
(1, 'user1', 1, 0, 1, 0),
(2, 'user2', 0, 1, 0, 0),
(3, 'user3', 1, 1, 0, 1),
(4, 'user4', 1, 0, 0, 0);
select * from users;
select *
from users
order by ((flag1=1)*1 + (flag2=0)*1 + (flag3=1)*1 +(flag4=0)*1) desc
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