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create table t1 (a int not null primary key, b int, c varchar(80), e enum('a','b'));
insert into t1 (a) values (1),(2),(3);
alter online table t1 modify b int default 5;
alter online table t1 change b new_name int;
alter online table t1 modify e enum('a','b','c');
alter online table t1 comment "new comment";
alter online table t1 algorithm=INPLACE, lock=NONE;
alter online table t1;
alter table t1 algorithm=INPLACE;
alter table t1 lock=NONE;
drop table t1;
create temporary table t1 (a int not null primary key, b int, c varchar(80), e enum('a','b'));
insert into t1 (a) values (1),(2),(3);
alter online table t1 modify b int default 5;
alter online table t1 change b new_name int;
alter online table t1 modify e enum('a','b','c');
alter online table t1 comment "new comment";
alter online table t1 rename to t2;
drop table t2;
create table t1 (a int not null primary key, b int, c varchar(80), e enum('a','b'));
insert into t1 (a) values (1),(2),(3);
alter online table t1 drop column b, add b int;
ERROR 0A000: LOCK=NONE is not supported for this operation. Try LOCK=SHARED.
alter online table t1 modify b bigint;
ERROR 0A000: LOCK=NONE is not supported for this operation. Try LOCK=SHARED.
alter online table t1 modify e enum('c','a','b');
ERROR 0A000: LOCK=NONE is not supported for this operation. Try LOCK=SHARED.
alter online table t1 modify c varchar(50);
ERROR 0A000: LOCK=NONE is not supported for this operation. Try LOCK=SHARED.
alter online table t1 modify c varchar(100);
ERROR 0A000: LOCK=NONE is not supported for this operation. Try LOCK=SHARED.
alter online table t1 add f int;
ERROR 0A000: LOCK=NONE is not supported for this operation. Try LOCK=SHARED.
alter online table t1 engine=memory;
ERROR 0A000: LOCK=NONE is not supported. Reason: COPY algorithm requires a lock. Try LOCK=SHARED.
alter online table t1 rename to t2;
ERROR 0A000: LOCK=NONE/SHARED is not supported for this operation. Try LOCK=EXCLUSIVE.
alter table t1 engine=innodb;
alter table t1 add index (b);
alter online table t1 add index c (c);
alter online table t1 drop index b;
alter online table t1 comment "new comment";
drop table t1;
create temporary table t1 (a int not null primary key, b int, c varchar(80), e enum('a','b'));
insert into t1 (a) values (1),(2),(3);
alter online table t1 drop column b, add b int;
alter online table t1 modify b bigint;
alter online table t1 modify e enum('c','a','b');
alter online table t1 modify c varchar(50);
alter online table t1 modify c varchar(100);
alter online table t1 add f int;
alter online table t1 engine=memory;
alter table t1 engine=innodb;
alter table t1 add index (b);
alter online table t1 add index c (c);
alter online table t1 drop index b;
drop table t1;
create table t1 (a int not null primary key, b int, c varchar(80));
create table t2 (a int not null primary key, b int, c varchar(80));
create table t3 (a int not null primary key, b int, c varchar(80)) engine=merge UNION=(t1);
alter online table t3 union=(t1,t2);
ERROR 0A000: LOCK=NONE/SHARED is not supported for this operation. Try LOCK=EXCLUSIVE.
drop table t1,t2,t3;
create table t1 (i int) partition by hash(i) partitions 2;
alter online table t1 comment 'test';
drop table t1;
create table t1 (a int);
alter online table t1 modify a int comment 'test';
drop table t1;
create table t1 (a int) engine=innodb;
alter online table t1 modify a int comment 'test';
drop table t1;
create table t1 (a int) partition by hash(a) partitions 2;
alter online table t1 modify a int comment 'test';
drop table t1;
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