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include/master-slave.inc
[connection master]
# Test of row replication with triggers on the slave side
CREATE TABLE t1 (C1 CHAR(1) primary key, C2 CHAR(1)) engine=innodb;
SELECT * FROM t1;
C1 C2
SET @old_slave_exec_mode= @@global.slave_exec_mode;
SET @old_slave_run_triggers_for_rbr= @@global.slave_run_triggers_for_rbr;
SET @@global.slave_exec_mode= IDEMPOTENT;
SET @@global.slave_run_triggers_for_rbr= YES;
SELECT * FROM t1;
C1 C2
create table t2 (id char(2) primary key, cnt int, o char(1), n char(1));
insert into t2 values
('u0', 0, ' ', ' '),('u1', 0, ' ', ' '),
('d0', 0, ' ', ' '),('d1', 0, ' ', ' '),
('i0', 0, ' ', ' '),('i1', 0, ' ', ' ');
create trigger t1_cnt_b before update on t1 for each row
update t2 set cnt=cnt+1, o=old.C1, n=new.C1 where id = 'u0';
create trigger t1_cnt_db before delete on t1 for each row
update t2 set cnt=cnt+1, o=old.C1, n=' ' where id = 'd0';
create trigger t1_cnt_ib before insert on t1 for each row
update t2 set cnt=cnt+1, n=new.C1, o=' ' where id = 'i0';
create trigger t1_cnt_a after update on t1 for each row
update t2 set cnt=cnt+1, o=old.C1, n=new.C1 where id = 'u1';
create trigger t1_cnt_da after delete on t1 for each row
update t2 set cnt=cnt+1, o=old.C1, n=' ' where id = 'd1';
create trigger t1_cnt_ia after insert on t1 for each row
update t2 set cnt=cnt+1, n=new.C1, o=' ' where id = 'i1';
SELECT * FROM t2 order by id;
id cnt o n
d0 0
d1 0
i0 0
i1 0
u0 0
u1 0
# INSERT triggers test
insert into t1 values ('a','b');
SELECT * FROM t2 order by id;
id cnt o n
d0 0
d1 0
i0 1 a
i1 1 a
u0 0
u1 0
# UPDATE triggers test
update t1 set C1= 'd';
SELECT * FROM t2 order by id;
id cnt o n
d0 0
d1 0
i0 1 a
i1 1 a
u0 1 a d
u1 1 a d
# DELETE triggers test
delete from t1 where C1='d';
SELECT * FROM t2 order by id;
id cnt o n
d0 1 d
d1 1 d
i0 1 a
i1 1 a
u0 1 a d
u1 1 a d
# INSERT triggers which cause also UPDATE test (insert duplicate row)
insert into t1 values ('0','1');
SELECT * FROM t2 order by id;
id cnt o n
d0 1 d
d1 1 d
i0 2 0
i1 2 0
u0 1 a d
u1 1 a d
insert into t1 values ('0','1');
SELECT * FROM t2 order by id;
id cnt o n
d0 1 d
d1 1 d
i0 3 0
i1 3 0
u0 2 0 0
u1 2 0 0
# INSERT triggers which cause also DELETE test
# (insert duplicate row in table referenced by foreign key)
insert into t1 values ('1','1');
CREATE TABLE t3 (C1 CHAR(1) primary key, FOREIGN KEY (C1) REFERENCES t1(C1) ) engine=innodb;
insert into t1 values ('1','1');
SELECT * FROM t2 order by id;
id cnt o n
d0 2 1
d1 2 1
i0 5 1
i1 5 1
u0 2 0 0
u1 2 0 0
drop table t3,t1;
SET @@global.slave_exec_mode= @old_slave_exec_mode;
SET @@global.slave_run_triggers_for_rbr= @old_slave_run_triggers_for_rbr;
drop table t2;
CREATE TABLE t1 (i INT) ENGINE=InnoDB;
CREATE TABLE t2 (i INT) ENGINE=InnoDB;
SET @old_slave_run_triggers_for_rbr= @@global.slave_run_triggers_for_rbr;
SET GLOBAL slave_run_triggers_for_rbr=YES;
CREATE TRIGGER tr AFTER INSERT ON t1 FOR EACH ROW
INSERT INTO t2 VALUES (new.i);
BEGIN;
INSERT INTO t1 VALUES (1);
INSERT INTO t1 VALUES (2);
COMMIT;
select * from t2;
i
1
2
SET @@global.slave_run_triggers_for_rbr= @old_slave_run_triggers_for_rbr;
drop tables t2,t1;
# Triggers on slave do not work if master has some
CREATE TABLE t1 (C1 CHAR(1) primary key, C2 CHAR(1)) engine=innodb;
SELECT * FROM t1;
C1 C2
create trigger t1_dummy before delete on t1 for each row
set @dummy= 1;
SET @old_slave_exec_mode= @@global.slave_exec_mode;
SET @old_slave_run_triggers_for_rbr= @@global.slave_run_triggers_for_rbr;
SET @@global.slave_exec_mode= IDEMPOTENT;
SET @@global.slave_run_triggers_for_rbr= YES;
SELECT * FROM t1;
C1 C2
create table t2 (id char(2) primary key, cnt int, o char(1), n char(1));
insert into t2 values
('u0', 0, ' ', ' '),('u1', 0, ' ', ' '),
('d0', 0, ' ', ' '),('d1', 0, ' ', ' '),
('i0', 0, ' ', ' '),('i1', 0, ' ', ' ');
create trigger t1_cnt_b before update on t1 for each row
update t2 set cnt=cnt+1, o=old.C1, n=new.C1 where id = 'u0';
create trigger t1_cnt_ib before insert on t1 for each row
update t2 set cnt=cnt+1, n=new.C1, o=' ' where id = 'i0';
create trigger t1_cnt_a after update on t1 for each row
update t2 set cnt=cnt+1, o=old.C1, n=new.C1 where id = 'u1';
create trigger t1_cnt_da after delete on t1 for each row
update t2 set cnt=cnt+1, o=old.C1, n=' ' where id = 'd1';
create trigger t1_cnt_ia after insert on t1 for each row
update t2 set cnt=cnt+1, n=new.C1, o=' ' where id = 'i1';
SELECT * FROM t2 order by id;
id cnt o n
d0 0
d1 0
i0 0
i1 0
u0 0
u1 0
# INSERT triggers test
insert into t1 values ('a','b');
SELECT * FROM t2 order by id;
id cnt o n
d0 0
d1 0
i0 0
i1 0
u0 0
u1 0
# UPDATE triggers test
update t1 set C1= 'd';
SELECT * FROM t2 order by id;
id cnt o n
d0 0
d1 0
i0 0
i1 0
u0 0
u1 0
# DELETE triggers test
delete from t1 where C1='d';
SELECT * FROM t2 order by id;
id cnt o n
d0 0
d1 0
i0 0
i1 0
u0 0
u1 0
# INSERT triggers which cause also UPDATE test (insert duplicate row)
insert into t1 values ('0','1');
SELECT * FROM t2 order by id;
id cnt o n
d0 0
d1 0
i0 1 0
i1 1 0
u0 0
u1 0
insert into t1 values ('0','1');
SELECT * FROM t2 order by id;
id cnt o n
d0 0
d1 0
i0 1 0
i1 1 0
u0 0
u1 0
# INSERT triggers which cause also DELETE test
# (insert duplicate row in table referenced by foreign key)
insert into t1 values ('1','1');
CREATE TABLE t3 (C1 CHAR(1) primary key, FOREIGN KEY (C1) REFERENCES t1(C1) ) engine=innodb;
insert into t1 values ('1','1');
SELECT * FROM t2 order by id;
id cnt o n
d0 0
d1 0
i0 2 1
i1 2 1
u0 0
u1 0
drop table t3,t1;
SET @@global.slave_exec_mode= @old_slave_exec_mode;
SET @@global.slave_run_triggers_for_rbr= @old_slave_run_triggers_for_rbr;
drop table t2;
#
# MDEV-5513: Trigger is applied to the rows after first one
#
create table t1 (a int, b int);
create table tlog (a int);
set sql_log_bin=0;
create trigger tr1 after insert on t1 for each row insert into tlog values (1);
set sql_log_bin=1;
set @slave_run_triggers_for_rbr.saved = @@slave_run_triggers_for_rbr;
set global slave_run_triggers_for_rbr=1;
create trigger tr2 before insert on t1 for each row set new.b = new.a;
insert into t1 values (1,10),(2,20),(3,30);
select * from t1;
a b
1 10
2 20
3 30
set global slave_run_triggers_for_rbr = @slave_run_triggers_for_rbr.saved;
drop table t1, tlog;
include/rpl_end.inc
|
