connection node_2;
connection node_1;
connection node_2;
call mtr.add_suppression("InnoDB: Transaction was aborted due to " );
CREATE TABLE t1(a int not null primary key auto_increment,b int) engine=InnoDB;
insert into t1 values (NULL,1 );
connect node_2a, 127 .0 .0 .1 , root, , test, $NODE_MYPORT_2;
connection node_2a;
call mtr.add_suppression("InnoDB: Transaction was aborted due to " );
begin;
update t1 set a = 5 ;
connection node_2;
select * from t1;
a b
2 1
disconnect node_2a;
connect node_2a, 127 .0 .0 .1 , root, , test, $NODE_MYPORT_2;
connection node_2a;
begin;
update t1 set a =5 ;
connection node_2;
select * from t1;
a b
2 1
disconnect node_2a;
connect node_2a, 127 .0 .0 .1 , root, , test, $NODE_MYPORT_2;
connection node_2a;
begin;
update t1 set a =5 , b=2 ;
connection node_2;
ALTER TABLE t1 ADD UNIQUE KEY b1(b);
ALTER TABLE t1 DROP KEY b1;
select * from t1;
a b
2 1
disconnect node_2a;
connect node_2a, 127 .0 .0 .1 , root, , test, $NODE_MYPORT_2;
connection node_2a;
begin;
update t1 set a =5 , b=2 ;
connect node_2b, 127 .0 .0 .1 , root, , test, $NODE_MYPORT_2;
connection node_2b;
begin;
update t1 set a =6 , b=7 ;
connection node_2;
ALTER TABLE t1 ADD UNIQUE KEY b2(b);
ALTER TABLE t1 DROP KEY b2;
select * from t1;
a b
2 1
disconnect node_2a;
disconnect node_2b;
connect node_2a, 127 .0 .0 .1 , root, , test, $NODE_MYPORT_2;
connect node_2b, 127 .0 .0 .1 , root, , test, $NODE_MYPORT_2;
connection node_2a;
SET SESSION wsrep_on=OFF;
begin;
update t1 set a =5 , b=2 ;
connection node_2;
ALTER TABLE t1 ADD UNIQUE KEY b3(b);
connection node_2b;
SET SESSION wsrep_sync_wait=0 ;
connection node_2a;
commit;
connection node_2;
disconnect node_2a;
disconnect node_2b;
connect node_2a, 127 .0 .0 .1 , root, , test, $NODE_MYPORT_2;
connection node_2a;
SET SESSION wsrep_on=OFF;
begin;
update t1 set a =5 , b=2 ;
connection node_2;
select * from t1;
a b
5 2
connection node_1;
disconnect node_2a;
drop table t1;
Messung V0.5 in Prozent C=32 H=100 G=74
¤ Dauer der Verarbeitung: 0.3 Sekunden
¤
*© Formatika GbR, Deutschland