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|
connect con2, localhost, root,,;
connection default;
#
# Test insert
#
# Insert and add column
create or replace table t1 (a int) engine=innodb;
insert t1 values (5);
connection con2;
set debug_sync= 'now WAIT_FOR ended';
connection default;
set debug_sync= 'alter_table_copy_end SIGNAL ended WAIT_FOR end';
alter table t1 add b int NULL, algorithm= copy, lock= none;
connection con2;
insert into t1 values (123), (456), (789);
set debug_sync= 'now SIGNAL end';
connection default;
select * from t1;
a b
5 NULL
123 NULL
456 NULL
789 NULL
# Insert and add NOT NULL column without default value
create or replace table t1 (a int) engine=innodb;
insert t1 values (5);
connection con2;
set debug_sync= 'now WAIT_FOR ended';
connection default;
set debug_sync= 'alter_table_copy_end SIGNAL ended WAIT_FOR end';
alter table t1 add b int NOT NULL, algorithm= copy, lock= none;
connection con2;
insert into t1 values (123), (456), (789);
set debug_sync= 'now SIGNAL end';
connection default;
Warnings:
Warning 1364 Field 'b' doesn't have a default value
Warning 1364 Field 'b' doesn't have a default value
Warning 1364 Field 'b' doesn't have a default value
select * from t1;
a b
5 0
123 0
456 0
789 0
# Insert and add a column with a default value
create or replace table t1 (a int) engine=innodb;
insert t1 values (5);
connection con2;
set debug_sync= 'now WAIT_FOR ended';
connection default;
set debug_sync= 'alter_table_copy_end SIGNAL ended WAIT_FOR end';
alter table t1 add b int NOT NULL default (222), algorithm= copy, lock= none;
connection con2;
insert into t1 values (123), (456), (789);
set debug_sync= 'now SIGNAL end';
connection default;
select * from t1;
a b
5 222
123 222
456 222
789 222
#
# Test update
#
# Update and add a column
create or replace table t1 (a int primary key, b int) engine=innodb;
insert t1 values (1, 22);
insert t1 values (3, 44);
connection con2;
set debug_sync= 'now WAIT_FOR ended';
connection default;
set debug_sync= 'alter_table_copy_end SIGNAL ended WAIT_FOR end';
alter table t1 add c int default(1),
algorithm= copy, lock= none;
connection con2;
update t1 set b= 55 where a = 1;
set debug_sync= 'now SIGNAL end';
connection default;
select * from t1;
a b c
1 55 1
3 44 1
#
# Test primary key change
#
# Drop key, add key
create or replace table t1 (a int primary key, b int) engine=innodb;
insert t1 values (1, 22);
insert t1 values (3, 44);
connection con2;
set debug_sync= 'now WAIT_FOR ended';
connection default;
set debug_sync= 'alter_table_copy_end SIGNAL ended WAIT_FOR end';
alter table t1 drop primary key, add primary key(b),
algorithm= copy, lock= none;
connection con2;
update t1 set b= 55 where a = 1;
set debug_sync= 'now SIGNAL end';
connection default;
select * from t1;
a b
3 44
1 55
# Drop key, add key. Two updates
create or replace table t1 (a int primary key, b int) engine=innodb;
insert t1 values (1, 11);
insert t1 values (2, 22);
connection con2;
set debug_sync= 'now WAIT_FOR ended';
connection default;
set debug_sync= 'alter_table_copy_end SIGNAL ended WAIT_FOR end';
alter table t1 drop primary key, add primary key(b),
algorithm= copy, lock= none;
connection con2;
update t1 set b= 33 where a = 1;
update t1 set b= 44 where a = 2;
set debug_sync= 'now SIGNAL end';
connection default;
select * from t1;
a b
1 33
2 44
#
# Various tests, see below
#
create or replace table t1 (a int primary key, b int) engine=innodb;
insert t1 values (1, 11);
insert t1 values (2, 22);
insert t1 values (3, 33);
insert t1 values (4, 44);
insert t1 values (5, 55);
insert t1 values (6, 66);
insert t1 values (7, 77);
insert t1 values (8, 88);
insert t1 values (9, 99);
connection con2;
set debug_sync= 'now WAIT_FOR ended';
connection default;
set debug_sync= 'alter_table_copy_end SIGNAL ended WAIT_FOR end';
alter table t1 drop primary key, add primary key(b),
algorithm= copy, lock= none;
connection con2;
# Two updates
update t1 set b= 1001 where a = 1;
update t1 set b= 2002 where a = 2;
# Two updates in transaction
set autocommit = 0;
start transaction;
update t1 set b= 3003 where a = 3;
update t1 set b= 4004 where a = 4;
commit;
set autocommit = 1;
# Second update is rolled back
update t1 set b= 5005 where a = 5;
set autocommit = 0;
start transaction;
update t1 set b= 6006 where a = 6;
rollback;
set autocommit = 1;
# Second execution in transaction fails
set autocommit = 0;
start transaction;
update t1 set b= 7007 where a = 7;
update t1 set a= 8, b= 8008 where a = 8 or a = 9 order by a;
ERROR 23000: Duplicate entry '8' for key 'PRIMARY'
commit;
set autocommit = 1;
select * from t1;
a b
1 1001
2 2002
3 3003
4 4004
5 5005
6 66
7 7007
8 88
9 99
set debug_sync= 'now SIGNAL end';
connection default;
select * from t1;
a b
1 1001
2 2002
3 3003
4 4004
5 5005
6 66
7 7007
8 88
9 99
#
# MYISAM. Only Inserts can be tested.
#
create or replace table t1 (a int) engine=myisam;
insert t1 values (5);
connection con2;
set debug_sync= 'now WAIT_FOR ended';
connection default;
set debug_sync= 'alter_table_copy_end SIGNAL ended WAIT_FOR end';
alter table t1 add b int NULL, algorithm= copy, lock= none;
connection con2;
insert into t1 values (123), (456), (789);
set debug_sync= 'now SIGNAL end';
connection default;
select * from t1;
a b
5 NULL
123 NULL
456 NULL
789 NULL
# Test incompatible changes
create or replace table t1 (a int primary key, b int) engine=innodb;
insert t1 values (1, 22);
insert t1 values (3, 44);
connection con2;
set debug_sync= 'now WAIT_FOR ended';
connection default;
set debug_sync= 'alter_table_copy_end SIGNAL ended WAIT_FOR end';
alter table t1 drop primary key, add primary key(b),
algorithm= copy, lock= none;
connection con2;
update t1 set b= 44 where a = 1;
set debug_sync= 'now SIGNAL end';
connection default;
ERROR 23000: Duplicate entry '44' for key 'PRIMARY'
select * from t1;
a b
1 44
3 44
# Test log read after EXCLUSIVE lock
# Transaction is started before ALTER, and UPDATE is made.
# Then more UPDATEs.
create or replace table t1 (a int primary key, b int) engine=innodb;
insert t1 values (1, 11);
insert t1 values (2, 22);
insert t1 values (3, 33);
insert t1 values (4, 44);
insert t1 values (5, 55);
set debug_sync= 'alter_table_online_before_lock SIGNAL locking WAIT_FOR end';
set debug_sync= 'alter_table_online_downgraded SIGNAL downgraded';
alter table t1 drop primary key, add primary key(b),
algorithm= copy, lock= none;
connection con2;
begin;
set debug_sync= 'now WAIT_FOR downgraded';
update t1 set b= 111 where a = 1;
set debug_sync= 'now WAIT_FOR locking';
set debug_sync= 'now SIGNAL end';
update t1 set b= 222 where a = 2;
update t1 set b= 333 where a = 3;
update t1 set b= 444 where a = 4;
commit;
update t1 set b= 555 where a = 5;
connection default;
select * from t1;
a b
1 111
2 222
3 333
4 444
5 555
#
# Test progress report.
#
create or replace table t1 (a int primary key, b int) engine=innodb;
insert t1 values (1, 11);
insert t1 values (2, 22);
insert t1 values (3, 33);
insert t1 values (4, 44);
set debug_sync= 'alter_table_online_before_lock SIGNAL locking WAIT_FOR end';
set debug_sync= 'alter_table_online_downgraded SIGNAL downgraded'
' WAIT_FOR start_replication';
set debug_sync= 'alter_table_online_progress SIGNAL applied WAIT_FOR proceed'
' EXECUTE 9';
alter table t1 drop primary key, add primary key(b),
algorithm= copy, lock= none;
connection con2;
set debug_sync= 'now WAIT_FOR downgraded';
update t1 set b= 111 where a = 1;
insert t1 values (5, 55);
update t1 set b= 555 where a = 5;
insert t1 values (6, 66);
update t1 set b= 666 where a = 6;
set debug_sync= 'now SIGNAL start_replication';
# First signal is for log description event.
set debug_sync= 'now WAIT_FOR applied';
select stage, progress from INFORMATION_SCHEMA.PROCESSLIST where id = @con;
stage progress
3 51.220
set debug_sync= 'now SIGNAL proceed WAIT_FOR applied';
select stage, progress from INFORMATION_SCHEMA.PROCESSLIST where id = @con;
stage progress
3 61.789
set debug_sync= 'now SIGNAL proceed WAIT_FOR applied';
select stage, progress from INFORMATION_SCHEMA.PROCESSLIST where id = @con;
stage progress
3 70.325
set debug_sync= 'now SIGNAL proceed WAIT_FOR applied';
select stage, progress from INFORMATION_SCHEMA.PROCESSLIST where id = @con;
stage progress
3 80.894
set debug_sync= 'now SIGNAL proceed WAIT_FOR applied';
select stage, progress from INFORMATION_SCHEMA.PROCESSLIST where id = @con;
stage progress
3 89.431
set debug_sync= 'now SIGNAL proceed WAIT_FOR applied';
select stage, progress from INFORMATION_SCHEMA.PROCESSLIST where id = @con;
stage progress
3 100.000
set debug_sync= 'now SIGNAL proceed WAIT_FOR locking';
begin;
update t1 set b= 222 where a = 2;
update t1 set b= 333 where a = 3;
update t1 set b= 444 where a = 4;
commit;
set debug_sync= 'now SIGNAL end WAIT_FOR applied';
select stage, progress from INFORMATION_SCHEMA.PROCESSLIST where id = @con;
stage progress
4 33.333
set debug_sync= 'now SIGNAL proceed WAIT_FOR applied';
select stage, progress from INFORMATION_SCHEMA.PROCESSLIST where id = @con;
stage progress
4 66.667
set debug_sync= 'now SIGNAL proceed WAIT_FOR applied';
select stage, progress from INFORMATION_SCHEMA.PROCESSLIST where id = @con;
stage progress
4 100.000
set debug_sync= 'now SIGNAL proceed';
connection default;
select * from t1;
a b
1 111
2 222
3 333
4 444
5 555
6 666
#
# Test system versioning
#
create or replace table t1 (a int primary key, b int);
insert t1 values (1, 22);
insert t1 values (3, 44);
connection con2;
set debug_sync= 'now WAIT_FOR ended';
connection default;
set debug_sync= 'alter_table_copy_end SIGNAL ended WAIT_FOR end';
set timestamp = 1;
alter table t1 add system versioning,
algorithm= copy, lock= none;
connection con2;
set timestamp = 2;
update t1 set b= 55 where a = 1;
set timestamp = 3;
insert into t1 values (6, 77);
set debug_sync= 'now SIGNAL end';
connection default;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) NOT NULL,
`b` int(11) DEFAULT NULL,
PRIMARY KEY (`a`)
) ENGINE=*SUBSTITUTED* DEFAULT CHARSET=latin1 WITH SYSTEM VERSIONING
select *, UNIX_TIMESTAMP(row_start), UNIX_TIMESTAMP(row_end) from t1 for system_time all;
a b UNIX_TIMESTAMP(row_start) UNIX_TIMESTAMP(row_end)
1 22 1.000000 2.000000
1 55 2.000000 2147483647.999999
3 44 1.000000 2147483647.999999
6 77 3.000000 2147483647.999999
connection con2;
set debug_sync= 'now WAIT_FOR ended';
connection default;
set debug_sync= 'alter_table_copy_end SIGNAL ended WAIT_FOR end';
alter table t1 drop system versioning,
algorithm= copy, lock= none;
connection con2;
update t1 set b= 88 where a = 1;
set debug_sync= 'now SIGNAL end';
connection default;
# Can't UPDATE versioned -> plain (and can't DELETE)
ERROR 23000: Duplicate entry '1' for key 'PRIMARY'
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) NOT NULL,
`b` int(11) DEFAULT NULL,
PRIMARY KEY (`a`)
) ENGINE=*SUBSTITUTED* DEFAULT CHARSET=latin1 WITH SYSTEM VERSIONING
select *, UNIX_TIMESTAMP(row_start), UNIX_TIMESTAMP(row_end) from t1 for system_time all;
a b UNIX_TIMESTAMP(row_start) UNIX_TIMESTAMP(row_end)
1 22 1.000000 2.000000
1 55 2.000000 3.000000
1 88 3.000000 2147483647.999999
3 44 1.000000 2147483647.999999
6 77 3.000000 2147483647.999999
connection con2;
set debug_sync= 'now WAIT_FOR ended';
connection default;
set debug_sync= 'alter_table_copy_end SIGNAL ended WAIT_FOR end';
alter table t1 drop system versioning,
algorithm= copy, lock= none;
connection con2;
insert into t1 values (8, 99);
set debug_sync= 'now SIGNAL end';
connection default;
# INSERT versioned -> plain works fine since it is a single versioned op.
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) NOT NULL,
`b` int(11) DEFAULT NULL,
PRIMARY KEY (`a`)
) ENGINE=*SUBSTITUTED* DEFAULT CHARSET=latin1
select * from t1;
a b
1 88
3 44
6 77
8 99
#
# Test ROLLBACK TO SAVEPOINT
#
create or replace table t1 (a int) engine=innodb;
insert t1 values (1), (2);
create or replace table t2 (a int) engine=innodb;
insert t2 values (1), (2);
connection con2;
begin;
update t2 set a= 222 where a = 2;
savepoint savie;
update t2 set a= 111 where a = 1;
set debug_sync= 'now WAIT_FOR ended';
connection default;
set debug_sync= 'alter_table_copy_end SIGNAL ended WAIT_FOR end';
alter table t1 add b int NULL, algorithm= copy, lock= none;
connection con2;
update t1 set a= 123 where a = 1;
savepoint whoopsie;
rollback to savepoint savie;
commit;
set debug_sync= 'now SIGNAL end';
connection default;
select * from t1;
a b
1 NULL
2 NULL
select * from t2;
a
1
222
create or replace table t1 (a int) engine=innodb;
insert t1 values (1), (2);
create or replace table t2 (a int) engine=innodb;
insert t2 values (1), (2);
connection con2;
begin;
update t2 set a= 222 where a = 2;
savepoint savie;
update t2 set a= 111 where a = 1;
set debug_sync= 'now WAIT_FOR ended';
connection default;
set debug_sync= 'alter_table_copy_end SIGNAL ended WAIT_FOR end';
alter table t1 add b int NULL, algorithm= copy, lock= none;
connection con2;
savepoint whoopsie;
update t1 set a= 123 where a = 1;
select * from t1;
a
123
2
rollback to savepoint whoopsie;
select * from t1;
a
1
2
commit;
set debug_sync= 'now SIGNAL end';
connection default;
select * from t1;
a b
1 NULL
2 NULL
select * from t2;
a
111
222
# Cleanup
set debug_sync= 'reset';
drop table t1;
drop table t2;
|
