stop slave;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
reset master;
reset slave;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
start slave;
DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;
DROP TABLE IF EXISTS t3;
create table t1 (a int auto_increment, primary key (a), b int,
rand_value double not null) engine=maria;
create table t2 (a int auto_increment, primary key (a), b int) engine=maria;
create table t3 (a int auto_increment, primary key (a), name
varchar(64) not null, old_a int, old_b int, rand_value double not
null) engine=maria;
create trigger t1 before insert on t1 for each row
begin
insert into t3 values (NULL, "t1", new.a, new.b, rand());
end|
create trigger t2 after insert on t2 for each row
begin
insert into t3 values (NULL, "t2", new.a, new.b, rand());
end|
insert into t3 values(100,"log",0,0,0);
SET @@RAND_SEED1=658490765, @@RAND_SEED2=635893186;
insert into t1 values(1,1,rand()),(NULL,2,rand());
insert into t2 (b) values(last_insert_id());
insert into t2 values(3,0),(NULL,0);
insert into t2 values(NULL,0),(500,0);
select a,b, truncate(rand_value,4) from t1;
a	b	truncate(rand_value,4)
1	1	0.4320
2	2	0.3055
select * from t2;
a	b
1	2
3	0
4	0
5	0
500	0
select a,name, old_a, old_b, truncate(rand_value,4) from t3;
a	name	old_a	old_b	truncate(rand_value,4)
100	log	0	0	0.0000
101	t1	1	1	0.3203
102	t1	0	2	0.5666
103	t2	1	2	0.9164
104	t2	3	0	0.8826
105	t2	4	0	0.6635
106	t2	5	0	0.6699
107	t2	500	0	0.3593
drop table t1,t2,t3;
