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#
# Test of ALTER ONLINE TABLE syntax
#
--source include/have_innodb.inc
--source include/have_partition.inc
#
# Test of things that can be done online
#
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";
# No OPs
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;
#
# everything with temporary tables is "online", i.e. without locks
#
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;
#
# Test of things that is not possible to do online
#
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);
--error ER_ALTER_OPERATION_NOT_SUPPORTED
alter online table t1 drop column b, add b int;
--error ER_ALTER_OPERATION_NOT_SUPPORTED
alter online table t1 modify b bigint;
--error ER_ALTER_OPERATION_NOT_SUPPORTED
alter online table t1 modify e enum('c','a','b');
--error ER_ALTER_OPERATION_NOT_SUPPORTED
alter online table t1 modify c varchar(50);
--error ER_ALTER_OPERATION_NOT_SUPPORTED
alter online table t1 modify c varchar(100);
--error ER_ALTER_OPERATION_NOT_SUPPORTED
alter online table t1 add f int;
--error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON
alter online table t1 engine=memory;
--error ER_ALTER_OPERATION_NOT_SUPPORTED
alter online table t1 rename to t2;
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);
#
# everything with temporary tables is "online", i.e. without locks
#
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;
#
# Test merge tables
#
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);
--error ER_ALTER_OPERATION_NOT_SUPPORTED
alter online table t3 union=(t1,t2);
drop table t1,t2,t3;
#
# MDEV-9868 Altering a partitioned table comment does a full copy
#
create table t1 (i int) partition by hash(i) partitions 2;
alter online table t1 comment 'test';
drop table t1;
#
# MDEV-9168 altering a column comment does a full copy
#
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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