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MDEV-9095: Executing triggers on slave in row-based replication
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280
mysql-test/suite/rpl/t/rpl_row_triggers.test
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280
mysql-test/suite/rpl/t/rpl_row_triggers.test
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-- source include/have_binlog_format_row.inc
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-- source include/have_rbr_triggers.inc
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-- source include/have_innodb.inc
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-- source include/master-slave.inc
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-- echo # Test of row replication with triggers on the slave side
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connection master;
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CREATE TABLE t1 (C1 CHAR(1) primary key, C2 CHAR(1)) engine=innodb;
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SELECT * FROM t1;
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sync_slave_with_master;
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connection slave;
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SET @old_slave_exec_mode= @@global.slave_exec_mode;
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SET @old_slave_run_triggers_for_rbr= @@global.slave_run_triggers_for_rbr;
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SET @@global.slave_exec_mode= IDEMPOTENT;
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SET @@global.slave_run_triggers_for_rbr= YES;
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SELECT * FROM t1;
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create table t2 (id char(2) primary key, cnt int, o char(1), n char(1));
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insert into t2 values
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('u0', 0, ' ', ' '),('u1', 0, ' ', ' '),
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('d0', 0, ' ', ' '),('d1', 0, ' ', ' '),
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('i0', 0, ' ', ' '),('i1', 0, ' ', ' ');
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create trigger t1_cnt_b before update on t1 for each row
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update t2 set cnt=cnt+1, o=old.C1, n=new.C1 where id = 'u0';
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create trigger t1_cnt_db before delete on t1 for each row
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update t2 set cnt=cnt+1, o=old.C1, n=' ' where id = 'd0';
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create trigger t1_cnt_ib before insert on t1 for each row
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update t2 set cnt=cnt+1, n=new.C1, o=' ' where id = 'i0';
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create trigger t1_cnt_a after update on t1 for each row
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update t2 set cnt=cnt+1, o=old.C1, n=new.C1 where id = 'u1';
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create trigger t1_cnt_da after delete on t1 for each row
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update t2 set cnt=cnt+1, o=old.C1, n=' ' where id = 'd1';
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create trigger t1_cnt_ia after insert on t1 for each row
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update t2 set cnt=cnt+1, n=new.C1, o=' ' where id = 'i1';
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SELECT * FROM t2 order by id;
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connection master;
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--echo # INSERT triggers test
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insert into t1 values ('a','b');
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sync_slave_with_master;
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connection slave;
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SELECT * FROM t2 order by id;
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connection master;
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--echo # UPDATE triggers test
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update t1 set C1= 'd';
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sync_slave_with_master;
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connection slave;
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SELECT * FROM t2 order by id;
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connection master;
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--echo # DELETE triggers test
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delete from t1 where C1='d';
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sync_slave_with_master;
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connection slave;
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SELECT * FROM t2 order by id;
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--echo # INSERT triggers which cause also UPDATE test (insert duplicate row)
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insert into t1 values ('0','1');
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SELECT * FROM t2 order by id;
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connection master;
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insert into t1 values ('0','1');
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sync_slave_with_master;
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connection slave;
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SELECT * FROM t2 order by id;
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--echo # INSERT triggers which cause also DELETE test
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--echo # (insert duplicate row in table referenced by foreign key)
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insert into t1 values ('1','1');
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connection master;
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CREATE TABLE t3 (C1 CHAR(1) primary key, FOREIGN KEY (C1) REFERENCES t1(C1) ) engine=innodb;
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insert into t1 values ('1','1');
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sync_slave_with_master;
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connection slave;
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SELECT * FROM t2 order by id;
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connection master;
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drop table t3,t1;
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sync_slave_with_master;
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connection slave;
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SET @@global.slave_exec_mode= @old_slave_exec_mode;
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SET @@global.slave_run_triggers_for_rbr= @old_slave_run_triggers_for_rbr;
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drop table t2;
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--connection master
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CREATE TABLE t1 (i INT) ENGINE=InnoDB;
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CREATE TABLE t2 (i INT) ENGINE=InnoDB;
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--sync_slave_with_master
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SET @old_slave_run_triggers_for_rbr= @@global.slave_run_triggers_for_rbr;
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SET GLOBAL slave_run_triggers_for_rbr=YES;
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CREATE TRIGGER tr AFTER INSERT ON t1 FOR EACH ROW
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INSERT INTO t2 VALUES (new.i);
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--connection master
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BEGIN;
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (2);
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COMMIT;
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--sync_slave_with_master
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select * from t2;
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SET @@global.slave_run_triggers_for_rbr= @old_slave_run_triggers_for_rbr;
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--connection master
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drop tables t2,t1;
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--sync_slave_with_master
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-- echo # Triggers on slave do not work if master has some
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connection master;
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CREATE TABLE t1 (C1 CHAR(1) primary key, C2 CHAR(1)) engine=innodb;
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SELECT * FROM t1;
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create trigger t1_dummy before delete on t1 for each row
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set @dummy= 1;
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sync_slave_with_master;
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connection slave;
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SET @old_slave_exec_mode= @@global.slave_exec_mode;
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SET @old_slave_run_triggers_for_rbr= @@global.slave_run_triggers_for_rbr;
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SET @@global.slave_exec_mode= IDEMPOTENT;
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SET @@global.slave_run_triggers_for_rbr= YES;
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SELECT * FROM t1;
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create table t2 (id char(2) primary key, cnt int, o char(1), n char(1));
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insert into t2 values
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('u0', 0, ' ', ' '),('u1', 0, ' ', ' '),
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('d0', 0, ' ', ' '),('d1', 0, ' ', ' '),
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('i0', 0, ' ', ' '),('i1', 0, ' ', ' ');
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create trigger t1_cnt_b before update on t1 for each row
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update t2 set cnt=cnt+1, o=old.C1, n=new.C1 where id = 'u0';
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create trigger t1_cnt_ib before insert on t1 for each row
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update t2 set cnt=cnt+1, n=new.C1, o=' ' where id = 'i0';
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create trigger t1_cnt_a after update on t1 for each row
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update t2 set cnt=cnt+1, o=old.C1, n=new.C1 where id = 'u1';
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create trigger t1_cnt_da after delete on t1 for each row
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update t2 set cnt=cnt+1, o=old.C1, n=' ' where id = 'd1';
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create trigger t1_cnt_ia after insert on t1 for each row
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update t2 set cnt=cnt+1, n=new.C1, o=' ' where id = 'i1';
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SELECT * FROM t2 order by id;
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connection master;
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--echo # INSERT triggers test
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insert into t1 values ('a','b');
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sync_slave_with_master;
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connection slave;
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SELECT * FROM t2 order by id;
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connection master;
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--echo # UPDATE triggers test
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update t1 set C1= 'd';
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sync_slave_with_master;
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connection slave;
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SELECT * FROM t2 order by id;
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connection master;
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--echo # DELETE triggers test
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delete from t1 where C1='d';
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sync_slave_with_master;
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connection slave;
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SELECT * FROM t2 order by id;
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--echo # INSERT triggers which cause also UPDATE test (insert duplicate row)
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insert into t1 values ('0','1');
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SELECT * FROM t2 order by id;
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connection master;
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insert into t1 values ('0','1');
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sync_slave_with_master;
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connection slave;
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SELECT * FROM t2 order by id;
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--echo # INSERT triggers which cause also DELETE test
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--echo # (insert duplicate row in table referenced by foreign key)
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insert into t1 values ('1','1');
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connection master;
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CREATE TABLE t3 (C1 CHAR(1) primary key, FOREIGN KEY (C1) REFERENCES t1(C1) ) engine=innodb;
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insert into t1 values ('1','1');
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sync_slave_with_master;
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connection slave;
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SELECT * FROM t2 order by id;
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connection master;
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drop table t3,t1;
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sync_slave_with_master;
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connection slave;
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SET @@global.slave_exec_mode= @old_slave_exec_mode;
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SET @@global.slave_run_triggers_for_rbr= @old_slave_run_triggers_for_rbr;
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drop table t2;
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--echo #
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--echo # MDEV-5513: Trigger is applied to the rows after first one
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--echo #
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--connection master
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create table t1 (a int, b int);
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create table tlog (a int);
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set sql_log_bin=0;
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create trigger tr1 after insert on t1 for each row insert into tlog values (1);
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set sql_log_bin=1;
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sync_slave_with_master;
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--connection slave
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set @slave_run_triggers_for_rbr.saved = @@slave_run_triggers_for_rbr;
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set global slave_run_triggers_for_rbr=1;
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create trigger tr2 before insert on t1 for each row set new.b = new.a;
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--connection master
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insert into t1 values (1,10),(2,20),(3,30);
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--sync_slave_with_master
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select * from t1;
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# Cleanup
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set global slave_run_triggers_for_rbr = @slave_run_triggers_for_rbr.saved;
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--connection master
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drop table t1, tlog;
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sync_slave_with_master;
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--source include/rpl_end.inc
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