drop database if exists db1;
create database if not exists db1;
use db1;
drop table if exists test;
create table test(c1 int primary key, c2 int, c3 int);
insert into test values(1,1,1);
insert into test values(2,2,2);
set @@global.ob_enable_plan_cache= 0;
use db1;
update test set c2=c1+c2, c3=c2+c1;
succeed
succeed
select * from test;
c1	c2	c3
1	2	3
2	4	6
set @@global.ob_enable_plan_cache= 1;
drop table test;
drop database db1;