Quelle alter_table_online_debug.result
Sprache: Lisp
set global default_storage_engine= innodb; set default_storage_engine= innodb;
connect con2, localhost, root,,;
connection default;
#
# Test insert
#
# Insert and add column
create orreplace table t1 (a int);
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;
affected rows: 4
info: Records: 4 Duplicates: 0 Warnings: 0
select * from t1;
a b 5 NULL 123 NULL 456 NULL 789 NULL
# Insert, error
create orreplace table t1 (a int);
insert t1 values (5), (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 nowait add unique (a), algorithm= copy, lock= none;
connection con2;
start transaction;
insert into t1 values (123), (456), (789); set debug_sync= 'now SIGNAL end';
connection default; ERROR23000: Duplicate entry '5' for key 'a'
connection con2;
commit;
connection default;
select variable_value into @otd from information_schema.session_status where variable_name='Opened_table_definitions';
select * from t1;
a 5 5 123 456 789
select variable_value-@otd from information_schema.session_status where variable_name='Opened_table_definitions';
variable_value-@otd 1
# long transaction and add column
create orreplace table t1 (a int);
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 nowait add b int NULL, algorithm= copy, lock= none;
connection con2;
start transaction;
insert into t1 values (123), (456), (789); set debug_sync= 'now SIGNAL end';
connection default; ERROR HY000: Lock wait timeout exceeded; try restarting transaction
select * from t1;
a 5
connection con2;
rollback;
connection default;
# Insert and add NOT NULL column without default value
create orreplace table t1 (a int);
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;
select * from t1;
a b 50 1230 4560 7890
# Insert and add a column with a default value
create orreplace table t1 (a int);
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 5222 123222 456222 789222
#
# Test update
#
# Update and add a column
create orreplace 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';
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;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
select * from t1;
a b c 1551 3441
# Update and add a column in the middle
create orreplace 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';
alter table t1 add c int default(1) after a,
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 c b 1155 3144
#
# Test primary key change
#
# Drop key, add key
create orreplace 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';
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 344 155
# Drop key, add key. Two updates
create orreplace table t1 (a int primary key, b int);
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 133 244
#
# Various tests, see below
#
create orreplace table t1 (a int primary key, b int);
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 = 8or a = 9 order by a; ERROR23000: Duplicate entry '8' for key 'PRIMARY'
commit; set autocommit = 1;
select * from t1;
a b 11001 22002 33003 44004 55005 666 77007 888 999 set debug_sync= 'now SIGNAL end';
connection default;
select * from t1;
a b 11001 22002 33003 44004 55005 666 77007 888 999
#
# MYISAM. Only Inserts can be tested.
# (everything else is a table lock disallowing concurrent reads)
#
create orreplace 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
# MYISAM + error
create orreplace table t1 (a int primary key) 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 (1),(2),(3),(4),(5),(6);
Got one of the listed errors
select * from t1;
a 1 2 3 4 5 set debug_sync= 'now SIGNAL end';
connection default;
select * from t1;
a b 5 NULL 1 NULL 2 NULL 3 NULL 4 NULL
# Aria + error set @@binlog_format=row;
create orreplace table t1 (a int primary key) engine=aria;
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 (1),(2),(3),(4),(5),(6); ERROR23000: Duplicate entry '5' for key 'PRIMARY'
select * from t1;
a 1 2 3 4 5 set debug_sync= 'now SIGNAL end';
connection default;
select * from t1;
a b 5 NULL 1 NULL 2 NULL 3 NULL 4 NULL set @@binlog_format=default;
# Test incompatible changes
create orreplace 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';
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; ERROR23000: Duplicate entry '44' for key 'PRIMARY'
select * from t1;
a b 144 344
# Test log read after EXCLUSIVE lock
# Transaction is started before ALTER, and UPDATE is made.
# Then more UPDATEs.
create orreplace table t1 (a int primary key, b int);
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 1111 2222 3333 4444 5555
#
# Test progress report.
#
create orreplace table t1 (a int primary key, b int);
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, examined_rows from INFORMATION_SCHEMA.PROCESSLIST where id = @con;
stage progress examined_rows 353.4880 set debug_sync= 'now SIGNAL proceed WAIT_FOR applied';
select stage, progress, examined_rows from INFORMATION_SCHEMA.PROCESSLIST where id = @con;
stage progress examined_rows 363.6361 set debug_sync= 'now SIGNAL proceed WAIT_FOR applied';
select stage, progress, examined_rows from INFORMATION_SCHEMA.PROCESSLIST where id = @con;
stage progress examined_rows 371.6702 set debug_sync= 'now SIGNAL proceed WAIT_FOR applied';
select stage, progress, examined_rows from INFORMATION_SCHEMA.PROCESSLIST where id = @con;
stage progress examined_rows 381.8183 set debug_sync= 'now SIGNAL proceed WAIT_FOR applied';
select stage, progress, examined_rows from INFORMATION_SCHEMA.PROCESSLIST where id = @con;
stage progress examined_rows 389.8524 set debug_sync= 'now SIGNAL proceed WAIT_FOR applied';
select stage, progress, examined_rows from INFORMATION_SCHEMA.PROCESSLIST where id = @con;
stage progress examined_rows 3100.0005 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, examined_rows from INFORMATION_SCHEMA.PROCESSLIST where id = @con;
stage progress examined_rows 433.3336 set debug_sync= 'now SIGNAL proceed WAIT_FOR applied';
select stage, progress, examined_rows from INFORMATION_SCHEMA.PROCESSLIST where id = @con;
stage progress examined_rows 466.6677 set debug_sync= 'now SIGNAL proceed WAIT_FOR applied';
select stage, progress, examined_rows from INFORMATION_SCHEMA.PROCESSLIST where id = @con;
stage progress examined_rows 4100.0008 set debug_sync= 'now SIGNAL proceed';
connection default;
select * from t1;
a b 1111 2222 3333 4444 5555 6666
#
# Test system versioning
#
create orreplace 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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci 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) 1551.0000002147483647.999999 3441.0000002147483647.999999 6771.0000002147483647.999999
alter table t1 drop system versioning, algorithm= copy, lock= none; ERROR0A000: LOCK=NONE is not supported. Reason: DROP SYSTEM VERSIONING. Try LOCK=SHARED
drop table t1;
#
# Test ROLLBACK TO SAVEPOINT
#
create orreplace table t1 (a int);
insert t1 values (1), (2);
create orreplace table t2 (a int);
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 orreplace table t1 (a int);
insert t1 values (1), (2);
create orreplace table t2 (a int);
insert t2 values (1), (2);
create orreplace table t3 (a int) engine=myisam;
insert t3 values (1);
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= 222 where a = 2;
savepoint whoopsie;
update t1 set a= 123 where a = 1;
insert t3 values (2);
select * from t1;
a 123 222
rollback to savepoint whoopsie;
Warnings:
Warning 1196 Some non-transactional changed tables couldn't be rolled back
select * from t1;
a 1 222
select * from t3;
a 1 2
commit; set debug_sync= 'now SIGNAL end';
connection default;
select * from t1;
a b 1 NULL 222 NULL
select * from t2;
a 111 222
select * from t3;
a 1 2
# Cleanup set debug_sync= 'reset';
drop table t1;
drop table t2;
drop table t3;
create table t1 (a char(6), b int);
insert t1 values ('abcde1',1),('abcde2',2); set debug_sync= 'now wait_for downgraded';
connection con2; set sql_mode=''; set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goforit';
alter table t1 modify a char(4), algorithm=copy, lock=none;
connection default;
update t1 set b=b+10 where a='abcde2';
select * from t1;
a b
abcde1 1
abcde2 12 set debug_sync= 'now signal goforit';
connection con2;
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
Warning 1265 Data truncated for column 'a' at row 2
Warning 1265 Data truncated for column 'a' at row 3 set sql_mode=default;
connection default;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` char(4) DEFAULT NULL,
`b` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
select * from t1;
a b
abcd 1
abcd 12
drop table t1; set debug_sync= 'reset';
#
# MDEV-28930 ALTER TABLE Deadlocks with parallel TL_WRITE
#
create table t1(a int) engine=myisam select 1; set debug_sync='alter_table_online_before_lock SIGNAL ready WAIT_FOR go_for_locking';
alter table t1 force;
connection con2; set debug_sync='now WAIT_FOR ready'; set debug_sync='thr_multi_lock_before_thr_lock SIGNAL go_for_locking';
update t1 set a=2;
connection default; set debug_sync='alter_table_online_before_lock SIGNAL ready WAIT_FOR go_for_locking';
alter table mysql.global_priv force;
connection con2; set debug_sync='now WAIT_FOR ready'; set debug_sync='thr_multi_lock_before_thr_lock SIGNAL go_for_locking';
create user user1@localhost;
connection default; set debug_sync=reset;
drop user user1@localhost;
drop table t1;
#
# MDEV-28959 Online alter ignores strict table mode
#
create table t1 (a int);
insert into t1 values (1),(2),(3); set debug_sync= 'now wait_for downgraded';
connection con2; set sql_mode='STRICT_TRANS_TABLES,STRICT_ALL_TABLES'; set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goforit';
alter table t1 modify a int not null, algorithm=copy, lock=none;
connection default;
insert into t1 values (null),(null); set debug_sync= 'now signal goforit';
connection con2; ERROR01000: Data truncated for column 'a' at row 4
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
select * from t1;
a 1 2 3
NULL
NULL set sql_mode=default;
connection default;
drop table t1; set debug_sync= reset;
#
# MDEV-28967 Assertion `marked_for_write_or_computed()' failed in Field_new_decimal::store_value / online_alter_read_from_binlog`
#
create table t1 (a decimal(8,2), b varchar(8));
insert into t1 (b) values ('x'); set debug_sync= 'now wait_for downgraded';
connection con2; set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goforit';
alter table t1 force, algorithm=copy, lock=none;
connection default;
insert t1 (b) values ('k');
insert t1 (b) values ('m'); set debug_sync= 'now signal goforit';
connection con2;
connection default;
drop table t1; set debug_sync= reset;
#
# MDEV-29021 ALTER TABLE fails when a stored virtual column is dropped and added
#
create table t1 (a char(9), b char(9) as (a) stored);
insert into t1(a) values ('foobar'); set debug_sync= 'now wait_for downgraded';
connection con2; set sql_mode=''; set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goforit';
alter table t1 drop b, add b char(3) as (a) stored, algorithm=copy, lock=none;
connection default;
update t1 set a = 'foobarqux'; set debug_sync= 'now signal goforit';
connection con2;
Warnings:
Warning 1265 Data truncated for column 'b' at row 1
Warning 1265 Data truncated for column 'b' at row 2 set sql_mode=default;
connection default;
drop table t1; set debug_sync= reset;
# (duplicate) MDEV-29007 Assertion `marked_for_write_or_computed()'
# failed upon online ADD COLUMN .. FIRST
create table t (a int);
insert into t values (1),(2); set debug_sync= 'now wait_for downgraded';
connection con2; set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goforit';
alter table t add c int first, algorithm=copy, lock=none;
connection default;
insert into t values (3); set debug_sync= 'now signal goforit';
connection con2;
connection default;
drop table t; set debug_sync= reset;
# UNIQUE blob duplicates are not ignored.
create table t1 (b blob);
insert into t1 values ('foo'),('bar'); set debug_sync= 'now wait_for downgraded';
connection con2; set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goforit';
alter table t1 add unique(b), algorithm=copy, lock=none;
connection default;
insert into t1 values ('qux'),('foo'); set debug_sync= 'now signal goforit';
connection con2; ERROR23000: Duplicate entry 'foo' for key 'b'
select * from t1;
b
foo
bar
qux
foo
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`b` blob DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
connection default;
drop table t1; set debug_sync= reset;
#
# DELETE with added virtual column
#
CREATE TABLE t1 (a CHAR(3), b CHAR(3) AS (a));
INSERT INTO t1 (a) VALUES ('foo'),('bar'); set debug_sync= 'now wait_for downgraded';
connection con2; set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goforit';
ALTER TABLE t1 ADD c INT, ALGORITHM=COPY, LOCK=NONE;
connection default;
DELETE FROM t1; set debug_sync= 'now signal goforit';
connection con2;
select * from t1;
a b c
connection default;
DROP TABLE t1; set debug_sync= reset;
#
# Do not ignore sql_mode when replicating
#
create table t1 (a int);
insert into t1 values (1); set debug_sync= 'now wait_for downgraded';
connection con2; set sql_mode='STRICT_ALL_TABLES,ERROR_FOR_DIVISION_BY_ZERO'; set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goforit';
alter table t1 add b int as (1/a) stored, algorithm=copy, lock=none;
connection default;
update t1 set a= 0 where a=1; set debug_sync= 'now signal goforit';
connection con2; ERROR22012: Division by 0 set sql_mode= default;
connection default;
drop table t1; set debug_sync= reset;
#
# MDEV-29067 Online alter ignores check constraint violation
#
## CHECK, INSERT
create table t1 (a int);
insert t1 values (1),(2); set debug_sync= 'now wait_for downgraded';
connection con2; set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goforit';
alter table t1 add check (a<10), algorithm=copy, lock=none;
connection default;
insert t1 values (11),(12); set debug_sync= 'now signal goforit';
connection con2; ERROR23000: CONSTRAINT `CONSTRAINT_1` failed for `test`.`t1`
connection default;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
select * from t1;
a 1 2 11 12
drop table t1;
## DEFAULT, INSERT
create table t1 (a int);
insert t1 values (1),(2); set debug_sync= 'now wait_for downgraded';
connection con2; set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goforit';
alter table t1 add b int default(a+10), algorithm=copy, lock=none;
connection default;
insert t1 values (11),(12); set debug_sync= 'now signal goforit';
connection con2;
connection default;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT (`a` + 10)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
select * from t1;
a b 111 212 1121 1222
drop table t1; set debug_sync= 'reset';
## CHECK, UPDATE
create table t1 (a int);
insert t1 values (1),(2),(3),(4); set debug_sync= 'now wait_for downgraded';
connection con2; set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goforit';
alter table t1 add check (a<10), algorithm=copy, lock=none;
connection default;
update t1 set a=a+10 where a > 2; set debug_sync= 'now signal goforit';
connection con2; ERROR23000: CONSTRAINT `CONSTRAINT_1` failed for `test`.`t1`
connection default;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
select * from t1;
a 1 2 13 14
drop table t1;
## DEFAULT, UPDATE
create table t1 (a int);
insert t1 values (1),(2),(3),(4); set debug_sync= 'now wait_for downgraded';
connection con2; set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goforit';
alter table t1 add b int default(a), algorithm=copy, lock=none;
connection default;
update t1 set a=a+10 where a > 2;
insert t1 values(5);
update t1 set a=a+10 where a = 5; set debug_sync= 'now signal goforit';
connection con2;
connection default;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT `a`
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
select * from t1;
a b 11 22 1313 1414 1515
drop table t1; set debug_sync= 'reset';
## VCOL + CHECK
create table t1 (a int);
insert t1 values (1),(2),(3),(4); set debug_sync= 'now wait_for downgraded';
connection con2; set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goforit';
alter table t1 add b int as (a), add check(b=a), algorithm=copy, lock=none;
connection default;
update t1 set a=a+10 where a > 2;
insert t1 values(5);
update t1 set a=a+10 where a = 5; set debug_sync= 'now signal goforit';
connection con2;
connection default;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) GENERATED ALWAYS AS (`a`) VIRTUAL,
CONSTRAINT `CONSTRAINT_1` CHECK (`b` = `a`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
select * from t1;
a b 11 22 1313 1414 1515
drop table t1; set debug_sync= 'reset';
#
# MDEV-29013 ER_KEY_NOT_FOUND/lock timeout upon online alter
# with long unique indexes
#
create table t1 (b text not null, unique(b));
insert into t1 values ('foo'),('bar'); set debug_sync= 'now wait_for downgraded';
connection con2; set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goforit';
alter table t1 add c int, algorithm=copy, lock=none;
connection default;
delete from t1; set debug_sync= 'now signal goforit';
connection con2;
connection default;
drop table t1; set debug_sync= reset;
###
create table t1 (a text, unique(a));
create table t2 (b text, unique(b));
insert into t2 values (null),(null); set debug_sync= 'now wait_for downgraded';
connection con2; set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goforit';
alter table t2 add column c int, algorithm=copy, lock=none;
connection default;
delete from t2; set debug_sync= 'now signal goforit';
connection con2;
connection default;
alter table t2 force;
alter table t1 force;
drop table t1, t2; set debug_sync= reset;
#
# MDEV-29038 XA assertions failing in binlog_rollback and binlog_commit
#
create table t (a int);
insert into t values (1);
xa begin 'xid'; set debug_sync= 'now wait_for downgraded';
connect con1,localhost,root,,test; set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goforit';
alter table t force, algorithm=copy, lock=none;
connection default;
insert into t values (2); set debug_sync= 'now signal goforit';
xa end 'xid';
xa rollback 'xid';
xa begin 'xid';
connection con1; set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goforit';
alter table t force, algorithm=copy, lock=none;
connection default; set debug_sync= 'now wait_for downgraded';
insert into t values (3); set debug_sync= 'now signal goforit';
xa end 'xid';
xa commit 'xid' one phase;
connection con1;
connection default;
drop table t; set debug_sync= reset;
#
# MDEV-29069 ER_KEY_NOT_FOUND upon online autoinc addition and
# concurrent DELETE
# set @old_dbug=@@debug_dbug; set debug_dbug="+d,rpl_report_chosen_key";
#
# Add clumsy DEFAULT
#
create orreplace table t (a int);
insert into t values (10),(20),(30); set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goforit';
alter table t add b int default(RAND() * 20), add key(b),
algorithm=copy, lock=none;
connection con2; set debug_sync= 'now wait_for downgraded';
delete from t where a = 20;
update t set a = a + 1 where a = 10; set debug_sync= 'now signal goforit';
connection default;
Warnings:
Note 1105 Key chosen: -1
Note 1105 Key chosen: -1
select a from t;
a 11 30
# CURRENT_TIMESTAMP
create orreplace table t (a int);
insert into t values (10),(20),(30); set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goforit';
alter table t add b timestamp default CURRENT_TIMESTAMP, add key(b),
algorithm=copy, lock=none;
connection con2; set debug_sync= 'now wait_for downgraded';
delete from t where a = 20;
update t set a = a + 1 where a = 10; set debug_sync= 'now signal goforit';
connection default;
Warnings:
Note 1105 Key chosen: -1
Note 1105 Key chosen: -1
select a from t;
a 11 30
# CURRENT_TIMESTAMP, mixed key
create orreplace table t (a int);
insert into t values (10),(20),(30); set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goforit';
alter table t add b timestamp default CURRENT_TIMESTAMP, add key(a, b),
algorithm=copy, lock=none;
connection con2; set debug_sync= 'now wait_for downgraded';
delete from t where a = 20;
update t set a = a + 1 where a = 10; set debug_sync= 'now signal goforit';
connection default;
Warnings:
Note 1105 Key chosen: 0
Note 1105 Key chosen: 0
select a from t;
a 11 30
# Mixed primary key
create orreplace table t (a int);
insert into t values (10),(20),(30); set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goforit';
alter table t add b int default (a+1), add primary key(b, a),
algorithm=copy, lock=none;
connection con2; set debug_sync= 'now wait_for downgraded';
delete from t where a = 20;
update t set a = a + 1 where a = 10; set debug_sync= 'now signal goforit';
connection default;
Warnings:
Note 1105 Key chosen: 0
Note 1105 Key chosen: 0
select a from t;
a 11 30
#
# Normal row, could be used as a key
#
create orreplace table t (a int);
insert into t values (10),(20),(30); set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goforit';
alter table t add b int as (a * 10) unique, algorithm=copy, lock=none;
connection con2; set debug_sync= 'now wait_for downgraded';
delete from t where a = 20;
update t set a = a + 1 where a = 10; set debug_sync= 'now signal goforit';
connection default;
Warnings:
Note 1105 Key chosen: 0
Note 1105 Key chosen: 0
#
# Add key for old row
#
create orreplace table t (a int);
insert into t values (10),(20),(30); set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goforit';
alter table t add unique(a), algorithm=copy, lock=none;
connection con2; set debug_sync= 'now wait_for downgraded';
delete from t where a = 20;
update t set a = a + 1 where a = 10; set debug_sync= 'now signal goforit';
connection default;
Warnings:
Note 1105 Key chosen: 0
Note 1105 Key chosen: 0
#
# Useful UNIQUE, though a virtual column on another extra field
#
create orreplace table t (a int primary key, b int default (a+1));
insert into t values (10, 10),(20, 20),(30, 30); set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goforit';
alter table t drop primary key, add c int default(a),
add d int as (c) stored unique, algorithm=copy, lock=none;
connection con2; set debug_sync= 'now wait_for downgraded';
delete from t where a = 20;
update t set a = a + 2 where a = 10; set debug_sync= 'now signal goforit';
connection default;
Warnings:
Note 1105 Key chosen: 0
Note 1105 Key chosen: 0
select * from t;
a b c d 12101212 30303030
#
# Now this index is not usable (missing DEFAULT on field c)
#
create orreplace table t (a int primary key, b int);
insert into t values (10, 10),(20, 20),(30, 30); set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goforit';
alter table t drop primary key, add c real default(rand(a)),
add d real as (c) stored unique, algorithm=copy, lock=none;
connection con2; set debug_sync= 'now wait_for downgraded';
delete from t where a = 20;
update t set a = a + 2 where a = 10; set debug_sync= 'now signal goforit';
connection default;
Warnings:
Note 1105 Key chosen: -1
Note 1105 Key chosen: -1
select a, b from t;
a b 1210 3030
drop table t; set debug_sync= reset; set debug_dbug= @old_dbug;
connection default;
#
# MDEV-30902 Server crash in LEX::first_lists_tables_same
#
create table t1 engine=myisam select 1 as x ;
create procedure p() alter table t1 engine=heap; set debug_sync= 'alter_table_copy_end signal ended wait_for end';
call p;
connection con1; set debug_sync= 'now wait_for ended';
insert into t1 values (2); set debug_sync= 'now signal end';
connection default;
call p;
drop table t1;
drop procedure p; set debug_sync=reset;
#
# MDEV-30902 Server crash in LEX::first_lists_tables_same
#
create table t (id int, s date, e date, period for p(s,e),
unique(id, p without overlaps)) engine=aria;
insert into t values (1,'1971-01-01','1971-01-02'); set debug_sync= 'alter_table_online_before_lock signal lock wait_for goon';
alter table t force;
connection con1; set debug_sync= 'now wait_for lock';
delete from t; set debug_sync= 'now signal goon';
connection default;
drop table t;
#
# MDEV-30924 Server crashes in MYSQL_LOG::is_open upon ALTER vs FUNCTION
#
create table t (a int);
insert into t values (1),(2);
create function f () returns int
begin
update t set a = 10; return0;
end $ set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goon';
alter table t force, algorithm=copy;
connection con1; set debug_sync= 'now wait_for downgraded';
select f();
f() 0 set debug_sync= 'now signal goon';
connection default;
drop table t;
drop function f;
# Partitioning
create orreplace table t1 (a serial);
insert t1 values (5), (6), (7); set debug_sync= 'alter_table_online_downgraded SIGNAL downgraded wait_for goon';
alter table t1 ENGINE=InnoDB, ALGORITHM=COPY, LOCK=NONE
PARTITION BY HASH(a) PARTITIONS 5;
connection con1; set debug_sync= 'now WAIT_FOR downgraded';
insert into t1 values (123), (456), (789);
update t1 set a= a+100; set debug_sync= 'now SIGNAL goon';
connection default;
select * from t1;
a 105 106 556 107 223 889
drop table t1;
#
# MDEV-31033 ER_KEY_NOT_FOUND upon online COPY ALTER on a partitioned
# table
create table t (a int) partition by hash(a) partitions 2;
insert into t values (1),(3); set debug_sync= 'alter_table_online_downgraded SIGNAL downgraded wait_for goon';
alter table t force, algorithm=copy, lock=none;
connection con1; set debug_sync= 'now WAIT_FOR downgraded';
update t set a = a + 1;
insert t values (1),(2);
delete from t where a = 4 limit 1; set debug_sync= 'now SIGNAL goon';
connection default;
select * from t;
a 2 2 1
drop table t;
#
# MDEV-31043 ER_KEY_NOT_FOUND upon concurrent ALTER and transaction
#
create table t (a int, b int) engine=myisam;
insert into t values (1,10),(2,20); set debug_sync= 'alter_table_online_before_lock signal burnit wait_for goforit';
alter table t add c int, algorithm=copy, lock=none;
connection con1; set debug_sync= 'now wait_for burnit';
update t set b = 100;
start transaction;
update t set b = 200;
connection con2;
delete from t order by a limit 1;
delete from t order by a limit 1;
select * from t;
a b
connection con1;
commit; set debug_sync= 'now signal goforit';
connection default;
select * from t;
a b c
drop table t;
create table t (a int, b int) engine=aria;
insert into t values (1,10),(2,20); set debug_sync= 'alter_table_online_before_lock signal burnit wait_for goforit';
alter table t add c int, algorithm=copy, lock=none;
connection con1; set debug_sync= 'now wait_for burnit';
update t set b = 100;
start transaction;
update t set b = 200;
connection con2;
delete from t order by a limit 1;
delete from t order by a limit 1;
select * from t;
a b
connection con1;
commit; set debug_sync= 'now signal goforit';
connection default;
select * from t;
a b c
drop table t;
#
# MDEV-30949 Direct leak in binlog_online_alter_end_trans
#
create table t (f longblob default null) engine=myisam;
insert into t values (null); set debug_sync= "alter_table_copy_end signal copy wait_for goon"; set debug_sync= "alter_table_online_before_lock signal lock wait_for end";
alter table t force, algorithm=copy;
connection con1; set debug_sync= "now wait_for copy";
insert into t select repeat('a',130000); set debug_sync= "now signal goon wait_for lock";
insert into t select repeat('a',130000); set debug_sync= "now signal end";
connection default;
drop table t;
#
# Test that correct fields are marked as explicit:
# Drop a, reorder b, add new column with default.
#
create table t (a int primary key, b int);
insert into t values (1, 1), (2, 2), (3, 3); set debug_sync= "alter_table_copy_end signal copy wait_for goon";
alter table t drop primary key, drop a,
change b c bigint,
add x longblob default 123456;
connection con1; set debug_sync= "now wait_for copy";
update t set b = 5 where a = 1;
update t set b = NULL where a = 1;
select * from t;
a b 1 NULL 22 33
update t set a = 100 where a = 1;
update t set b = -10 where a = 100;
select * from t;
a b 22 33 100 -10 set debug_sync= "now signal goon";
connection default;
select * from t;
c x
-10123456 2123456 3123456
drop table t;
# Test that all the fields are unpacked.
create table t (a int, b int);
insert into t values (NULL, 123), (NULL, 456); set debug_sync= "alter_table_copy_end signal copy wait_for goon";
alter table t drop a, add primary key(b), algorithm=copy;
connection con1; set debug_sync= "now wait_for copy";
update t set b = b + 100; set debug_sync= "now signal goon";
connection default;
select * from t;
b 223 556
drop table t; set debug_sync= reset; NOT FOUND /Slave SQL/ in mysqld.1.err
#
# MDEV-31646 Online alter applies binlog cache limit to cache writes
#
create table t (pk int primary key, a varchar(100)) engine=MyISAM;
insert into t select seq, repeat('x', 100) from seq_1_to_500; set @cache.size= @@max_binlog_cache_size; set global max_binlog_cache_size= 4096; set debug_sync= 'now wait_for do_updates';
connection con1; set debug_sync= 'alter_table_online_progress signal do_updates wait_for go';
alter table t add b int, algorithm=copy, lock=none;
connection default;
update t set a = repeat('y', 100);
show warnings;
Level Code Message set debug_sync= 'now signal go';
connection con1;
show warnings;
Level Code Message
connection default;
drop table t; set debug_sync= reset; set global max_binlog_cache_size= @cache.size;
# Now make sure that smaller limits will be processed fine set @old_dbug=@@debug_dbug;
create table t (pk int primary key, a text) engine=MyISAM;
insert into t select seq, repeat('x', 1000) from seq_1_to_50;
connection con1; set debug_sync= 'alter_table_online_progress signal do_updates wait_for go';
alter table t add b int, algorithm=copy, lock=none;
connection default; set debug_sync= 'now wait_for do_updates'; set debug_dbug="+d,online_alter_small_cache";
update t set a = repeat('y', 1000); ERROR HY000: Multi-row statements required more than 'max_binlog_stmt_cache_size' bytes of storage.
show warnings;
Level Code Message Error1705 Multi-row statements required more than 'max_binlog_stmt_cache_size' bytes of storage. Error1534 Writing one row to the row-based binary log failed
Warning 1196 Some non-transactional changed tables couldn't be rolled back set debug_sync= 'now signal go';
connection con1;
show warnings;
Level Code Message
connection default;
drop table t; set debug_sync= reset; set debug_dbug= @old_dbug;
create table t (id int, a int, b text, primary key (id));
insert into t values (1,10,''),(2,20,''); set debug_sync= 'alter_table_online_progress signal do_update wait_for go';
alter table t force, algorithm=copy, lock=none;
connection con1; set @old_binlog_row_image= @@binlog_row_image; set binlog_row_image= noblob; set debug_sync= 'now wait_for do_update';
update t set a = 1;
delete from t where id = 1; set debug_sync= 'now signal go'; set binlog_row_image= @old_binlog_row_image;
connection default;
select * from t;
id a b 21
drop table t; set debug_sync= reset;
#
# MDEV-31812 Add switch to old_mode to disable non-locking ALTER
# set @old_old_mode= @@old_mode;
create orreplace table t1 (a int primary key, b int); set debug_sync= 'alter_table_copy_end SIGNAL copy_end WAIT_FOR proceed';
alter table t1 drop primary key, add primary key(b), algorithm= copy;
connection con2; set debug_sync= 'now WAIT_FOR copy_end';
select if(max_stage = 4, "online", "old") as mode
from information_schema.processlist where id = @con;
mode
online set debug_sync= 'now SIGNAL proceed';
connection default; set old_mode= LOCK_ALTER_TABLE_COPY;
Warnings:
Warning 1287'LOCK_ALTER_TABLE_COPY' is deprecated and will be removed in a future release set debug_sync= 'alter_table_copy_end SIGNAL copy_end WAIT_FOR proceed';
alter table t1 drop primary key, add primary key(b), algorithm= copy;
connection con2; set debug_sync= 'now WAIT_FOR copy_end';
select if(max_stage = 4, "online", "old") as mode
from information_schema.processlist where id = @con;
mode
old set debug_sync= 'now SIGNAL proceed';
connection default; set debug_sync= 'alter_table_copy_end SIGNAL copy_end WAIT_FOR proceed';
alter table t1 drop primary key, add primary key(b),
algorithm= copy, lock=none;
connection con2; set debug_sync= 'now WAIT_FOR copy_end';
select if(max_stage = 4, "online", "old") as mode
from information_schema.processlist where id = @con;
mode
online set debug_sync= 'now SIGNAL proceed';
connection default; set old_mode= @old_old_mode;
drop table t1; set debug_sync= reset;
#
# MDEV-32100 Online ALTER TABLE ends with 1032 under some isolation levels
#
create table iso_levels(id int, level text);
INSERT iso_levels VALUES (0, "READ UNCOMMITTED"),
(1, "READ COMMITTED"),
(2, "REPEATABLE READ"),
(3, "SERIALIZABLE");
create table t1 (a int, b int, key(b));
connection con2;
insert into t1 values (1,1),(null,null),(3,3),(4,null),(null,5);
connection default; set session transaction isolation level SERIALIZABLE; set debug_sync= "alter_table_online_downgraded signal downgraded wait_for goalters";
alter table t1 force, algorithm=copy;
connection con2; set debug_sync= "now wait_for downgraded";
delete from t1 where b is null; set debug_sync= "now signal goalters";
connection default;
drop table t1;
create table t1 (a int, b int, key(b));
connection con2;
insert into t1 values (1,1),(null,null),(3,3),(4,null),(null,5);
connection default; set session transaction isolation level REPEATABLE READ; set debug_sync= "alter_table_online_downgraded signal downgraded wait_for goalters";
alter table t1 force, algorithm=copy;
connection con2; set debug_sync= "now wait_for downgraded";
delete from t1 where b is null; set debug_sync= "now signal goalters";
connection default;
drop table t1;
create table t1 (a int, b int, key(b));
connection con2;
insert into t1 values (1,1),(null,null),(3,3),(4,null),(null,5);
connection default; set session transaction isolation level READ COMMITTED; set debug_sync= "alter_table_online_downgraded signal downgraded wait_for goalters";
alter table t1 force, algorithm=copy;
connection con2; set debug_sync= "now wait_for downgraded";
delete from t1 where b is null; set debug_sync= "now signal goalters";
connection default;
drop table t1;
create table t1 (a int, b int, key(b));
connection con2;
insert into t1 values (1,1),(null,null),(3,3),(4,null),(null,5);
connection default; set session transaction isolation level READ UNCOMMITTED; set debug_sync= "alter_table_online_downgraded signal downgraded wait_for goalters";
alter table t1 force, algorithm=copy;
connection con2; set debug_sync= "now wait_for downgraded";
delete from t1 where b is null; set debug_sync= "now signal goalters";
connection default;
drop table t1; set debug_sync= reset;
drop table iso_levels;
# MDEV-32126 Assertion fails upon online ALTER and binary log enabled
create temporary table tmp (id int, primary key(id)) engine=innodb;
create table t1 (a int, b text);
create table t2 (a int, b int, c char(8), d text, unique(a));
insert into t2 values (1,1,'f','e'),(1000,1000,'c','b');
connection default; set debug_sync= 'alter_table_online_before_lock signal go_trx wait_for go_alter';
alter table t2 force, algorithm=copy, lock=none;
connection con2; set debug_sync= 'now wait_for go_trx';
start transaction;
insert into t1 values (3,'a');
insert into t2 values (3,3,'a','x'), (3,3,'a','x'); ERROR23000: Duplicate entry '3' for key 'a'
insert into t2 values (3,3,'a','x');
commit; set debug_sync= 'now signal go_alter';
connection default;
truncate t2; set @@binlog_format=mixed;
connection con2;
start transaction;
create temporary table tmp (id int, primary key(id));
insert into t1 values (1, repeat('x',8000)),(2, repeat('x',8000));
update t2 set b = null order by b limit 2;
insert into t1 values (3, repeat('x',8000));
delete from t1;
insert into t2 values (1,1,'f','e'),(1000,1000,'c','b');
commit;
connection default; set debug_sync= 'alter_table_online_before_lock signal go_trx wait_for go_alter';
alter table t2 force, algorithm=copy, lock=none;
connection con2; set debug_sync= 'now wait_for go_trx';
start transaction;
drop temporary table if exists tmp;
insert into t2 values (3,3,'a','x'), (3,3,'a','x'); ERROR23000: Duplicate entry '3' for key 'a'
insert into t2 values (3,3,'a','x');
commit; set debug_sync= 'now signal go_alter';
connection default;
drop table t1, t2; set @@binlog_format=default; set debug_sync= reset;
# MDEV-32444 Data from orphaned XA transaction is lost after online alter
create table t (a int primary key);
insert into t values (1);
# XA commit set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for go';
alter table t force, algorithm=copy, lock=none;
connection con1; set debug_sync= 'now wait_for downgraded';
xa begin 'x1';
update t set a = 2 where a = 1;
xa end 'x1';
xa prepare 'x1'; set debug_sync= 'thread_end signal xa_detach wait_for close';
disconnect con1;
connection con2; set debug_sync= 'now signal close wait_for xa_detach';
xa commit 'x1'; set debug_sync= 'now signal go';
connection default;
select * from t;
a 2
# XA rollback set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for go';
alter table t force, algorithm=copy, lock=none;
connect con1, localhost, root,,; set debug_sync= 'now wait_for downgraded';
xa begin 'x2';
insert into t values (53);
xa end 'x2';
xa prepare 'x2'; set debug_sync= 'thread_end signal xa_detach wait_for close';
disconnect con1;
connection con2; set debug_sync= 'now signal close wait_for xa_detach';
xa rollback 'x2'; set debug_sync= 'now signal go';
connection default;
select * from t;
a 2
# XA transaction is left uncommitted
# end then is rollbacked after alter fails set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for go'; set statement innodb_lock_wait_timeout=0, lock_wait_timeout= 0
for alter table t force, algorithm=copy, lock=none;
connect con1, localhost, root,,; set debug_sync= 'now wait_for downgraded';
xa begin 'xuncommitted';
insert into t values (3);
xa end 'xuncommitted';
xa prepare 'xuncommitted'; set debug_sync= 'now signal go'; set debug_sync= 'thread_end signal xa_detach wait_for close';
disconnect con1;
connection default; ERROR HY000: Lock wait timeout exceeded; try restarting transaction set debug_sync= 'now signal close wait_for xa_detach';
xa rollback 'xuncommitted';
select * from t;
a 2
# Same, but commit set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for go'; set statement innodb_lock_wait_timeout=0, lock_wait_timeout= 0
for alter table t force, algorithm=copy, lock=none;
connect con1, localhost, root,,; set debug_sync= 'now wait_for downgraded';
xa begin 'committed_later';
insert into t values (3);
xa end 'committed_later';
xa prepare 'committed_later'; set debug_sync= 'now signal go'; set debug_sync= 'thread_end signal xa_detach wait_for close';
disconnect con1;
connection default; ERROR HY000: Lock wait timeout exceeded; try restarting transaction set debug_sync= 'now signal close wait_for xa_detach';
xa commit 'committed_later';
select * from t;
a 2 3
# Commit, but error in statement, and there is some stmt data to rollback set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for go';
alter table t force, algorithm=copy, lock=none;
connect con1, localhost, root,,; set debug_sync= 'now wait_for downgraded';
xa begin 'x1';
insert into t values (4), (3); ERROR23000: Duplicate entry '3' for key 'PRIMARY'
insert into t values (5);
xa end 'x1';
xa prepare 'x1'; set debug_sync= 'thread_end signal xa_detach wait_for close';
disconnect con1;
connection con2; set debug_sync= 'now signal close wait_for xa_detach';
xa commit 'x1'; set debug_sync= 'now signal go';
connection default;
select * from t;
a 2 3 5
connect con1, localhost, root,,;
connection default;
drop table t; set debug_sync= reset;
# MDEV-32771 Server crash upon online alter with concurrent XA
create table t (a int primary key);
insert t values(1),(2),(3);
# First, check that nothing from the rollbacked statement commits set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for go';
alter table t add b int default (555), algorithm=copy;
connection con1; set debug_sync= 'now wait_for downgraded';
xa start 'xid';
update t set a = 0; ERROR23000: Duplicate entry '0' for key 'PRIMARY'
xa end 'xid';
xa prepare 'xid';
xa commit 'xid'; set debug_sync= 'now signal go';
connection default;
select * from t;
a b 1555 2555 3555 set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for go';
alter table t add c int default(777), algorithm=copy;
connection con1; set debug_sync= 'now wait_for downgraded';
xa start 'xid';
update t set a = 0; ERROR23000: Duplicate entry '0' for key 'PRIMARY'
xa end 'xid';
xa prepare 'xid';
xa rollback 'xid'; set debug_sync= 'now signal go';
connection default;
select * from t;
a b c 1555777 2555777 3555777
# Same, but add one successful statement into transaction set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for go';
alter table t drop b, algorithm=copy;
connection con1; set debug_sync= 'now wait_for downgraded';
xa start 'xid';
update t set a = 10 where a = 1;
update t set a = 0; ERROR23000: Duplicate entry '0' for key 'PRIMARY'
xa end 'xid';
xa prepare 'xid';
xa rollback 'xid'; set debug_sync= 'now signal go';
connection default;
select * from t;
a c 1777 2777 3777 set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for go';
alter table t drop primary key, algorithm=copy;
connection con1; set debug_sync= 'now wait_for downgraded';
xa start 'xid';
# This statement will take effect.
update t set a = 10 where a = 1;
update t set a = 0; ERROR23000: Duplicate entry '0' for key 'PRIMARY'
xa end 'xid';
xa prepare 'xid';
xa commit 'xid'; set debug_sync= 'now signal go';
connection default;
select * from t;
a c 10777 2777 3777
# The only statement succeeds (test both commit and rollback) set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for go';
alter table t add d text default ('qwe'), algorithm=copy;
connection con1; set debug_sync= 'now wait_for downgraded';
xa start 'xid';
update t set a = 0;
xa end 'xid';
xa prepare 'xid';
xa rollback 'xid'; set debug_sync= 'now signal go';
connection default;
select * from t;
a c d 10777 qwe 2777 qwe 3777 qwe set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for go';
alter table t drop c, algorithm=copy;
connection con1; set debug_sync= 'now wait_for downgraded';
xa start 'xid';
update t set a = 0;
xa end 'xid';
xa prepare 'xid';
xa commit 'xid'; set debug_sync= 'now signal go';
connection default;
select * from t;
a d 0 qwe 0 qwe 0 qwe
drop table t;
#
# MDEV-32803 Assertion `total == 0' failed in Event_log::write_cache_raw
#
create orreplace table t1 (a int) engine=aria;
insert t1 values (5); 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; set debug_sync= 'now WAIT_FOR ended';
begin;
insert into t1 values (123);
insert into t1 values (456), (789);
commit; set debug_sync= 'now SIGNAL end';
connection default;
select * from t1;
a b 5 NULL 123 NULL 456 NULL 789 NULL
drop table t1;
# MDEV-32614 LeakSanitizer errors in copy_data_between_tables
create table t (a int, b int) engine=aria;
insert into t select seq, seq from seq_1_to_5;
backup stage start;
connect con_lock,localhost,root,,; set lock_wait_timeout= 1; set debug_sync='copy_data_between_tables_before_reset_backup_lock signal backup wait_for continue';
alter table t add index (b), algorithm=copy, lock=none;
connection default; set debug_sync='now wait_for backup';
backup stage block_commit; set debug_sync='now signal continue';
connection con_lock; ERROR HY000: Lock wait timeout exceeded; try restarting transaction
disconnect con_lock;
connection default;
backup stage end;
alter table t add index (a), algorithm=copy, lock=none;
connection default;
drop table t; set global default_storage_engine= MyISAM;
disconnect con1;
disconnect con2;
#
# End of 11.2 tests
#
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