include/master-slave.inc
[connection master]
use test;
create table t1 (id int primary key, c1 int default 10 , c2 varchar(20 ) default 'holiday' ) engine = innodb;
insert into t1 values(1 , 12345 , 'abcde' ), (2 , default, default), (3 , 23456 , 'xyzab' );
set time_zone='+03:00' ;
set timestamp = 1 ;
alter table t1 add column d1 timestamp not null default current_timestamp;
select * from t1;
id c1 c2 d1
1 12345 abcde 1970 -01 -01 03 :00 :01
2 10 holiday 1970 -01 -01 03 :00 :01
3 23456 xyzab 1970 -01 -01 03 :00 :01
connection slave;
connection slave;
set time_zone='+03:00' ;
select * from t1;
id c1 c2 d1
1 12345 abcde 1970 -01 -01 03 :00 :01
2 10 holiday 1970 -01 -01 03 :00 :01
3 23456 xyzab 1970 -01 -01 03 :00 :01
connection master;
alter table t1 add column d2 timestamp not null default current_timestamp, ALGORITHM=copy;
connection slave;
connection slave;
select * from t1;
id c1 c2 d1 d2
1 12345 abcde 1970 -01 -01 03 :00 :01 1970 -01 -01 03 :00 :01
2 10 holiday 1970 -01 -01 03 :00 :01 1970 -01 -01 03 :00 :01
3 23456 xyzab 1970 -01 -01 03 :00 :01 1970 -01 -01 03 :00 :01
connection master;
drop table t1;
create table t4 (id int primary key, c2 int);
insert into t4 values(1 ,1 ),(2 ,2 ),(3 ,3 );
set timestamp = 1000 ;
alter table t4 add column (c3 datetime default current_timestamp(), c4 timestamp not null default current_timestamp());
select * from t4;
id c2 c3 c4
1 1 1970 -01 -01 03 :16 :40 1970 -01 -01 03 :16 :40
2 2 1970 -01 -01 03 :16 :40 1970 -01 -01 03 :16 :40
3 3 1970 -01 -01 03 :16 :40 1970 -01 -01 03 :16 :40
alter table t4 add column c5 time not null default current_timestamp();
Warnings:
Note 1265 Data truncated for column 'c5' at row 1
Note 1265 Data truncated for column 'c5' at row 2
Note 1265 Data truncated for column 'c5' at row 3
alter table t4 add column c6 date not null default current_timestamp();
Warnings:
Note 1265 Data truncated for column 'c6' at row 1
Note 1265 Data truncated for column 'c6' at row 2
Note 1265 Data truncated for column 'c6' at row 3
select * from t4;
id c2 c3 c4 c5 c6
1 1 1970 -01 -01 03 :16 :40 1970 -01 -01 03 :16 :40 03 :16 :40 1970 -01 -01
2 2 1970 -01 -01 03 :16 :40 1970 -01 -01 03 :16 :40 03 :16 :40 1970 -01 -01
3 3 1970 -01 -01 03 :16 :40 1970 -01 -01 03 :16 :40 03 :16 :40 1970 -01 -01
connection slave;
connection slave;
select * from t4;
id c2 c3 c4 c5 c6
1 1 1970 -01 -01 03 :16 :40 1970 -01 -01 03 :16 :40 03 :16 :40 1970 -01 -01
2 2 1970 -01 -01 03 :16 :40 1970 -01 -01 03 :16 :40 03 :16 :40 1970 -01 -01
3 3 1970 -01 -01 03 :16 :40 1970 -01 -01 03 :16 :40 03 :16 :40 1970 -01 -01
connection master;
drop table t4;
include/rpl_end.inc
Messung V0.5 in Prozent C=55 H=100 G=80
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-10-10)
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