SET @@session.storage_engine = 'MyISAM';
#
# Section 1. Wrong column definition options
#            - NOT NULL
#            - NULL
#            - DEFAULT <value>
#            - AUTO_INCREMENT
#            - [PRIMARY] KEY
# NOT NULL
create table t1 (a int, b int as (a+1) not null);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'not null)' at line 1
create table t1 (a int);
alter table t1 add column b int as (a+1) not null;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'not null' at line 1
drop table t1;
# NULL  
create table t1 (a int, b int as (a+1) null);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null)' at line 1
create table t1 (a int);
alter table t1 add column b int as (a+1) null;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'null' at line 1
drop table t1;
# DEFAULT
create table t1 (a int, b int as (a+1) default 0);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'default 0)' at line 1
create table t1 (a int);
alter table t1 add column b int as (a+1) default 0;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'default 0' at line 1
drop table t1;
# AUTO_INCREMENT
create table t1 (a int, b int as (a+1) AUTO_INCREMENT);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'AUTO_INCREMENT)' at line 1
create table t1 (a int);
alter table t1 add column b int as (a+1) AUTO_INCREMENT;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'AUTO_INCREMENT' at line 1
drop table t1;
# [PRIMARY] KEY
create table t1 (a int, b int as (a+1) key);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'key)' at line 1
create table t1 (a int, b int as (a+1) primary key);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'primary key)' at line 1
create table t1 (a int);
alter table t1 add column b int as (a+1) key;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'key' at line 1
alter table t1 add column b int as (a+1) primary key;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'primary key' at line 1
drop table t1;
# Section 2. Other column definition options
#            - COMMENT
#            - REFERENCES (only syntax testing here)
#            - STORED (only systax testing here)
create table t1 (a int, b int as (a % 2) comment 'my comment');
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) AS (a % 2) VIRTUAL COMMENT 'my comment'
) ENGINE=MyISAM DEFAULT CHARSET=latin1
describe t1;
Field	Type	Null	Key	Default	Extra
a	int(11)	YES		NULL	
b	int(11)	YES		NULL	VIRTUAL
drop table t1;
create table t1 (a int, b int as (a % 2));
alter table t1 modify b int as (a % 2) comment 'my comment';
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) AS (a % 2) VIRTUAL COMMENT 'my comment'
) ENGINE=MyISAM DEFAULT CHARSET=latin1
describe t1;
Field	Type	Null	Key	Default	Extra
a	int(11)	YES		NULL	
b	int(11)	YES		NULL	VIRTUAL
insert into t1 (a) values (1);
select * from t1;
a	b
1	1
insert into t1 values (2,default);
select a,b from t1;
a	b
1	1
2	0
create table t2 like t1;
show create table t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) AS (a % 2) VIRTUAL COMMENT 'my comment'
) ENGINE=MyISAM DEFAULT CHARSET=latin1
describe t2;
Field	Type	Null	Key	Default	Extra
a	int(11)	YES		NULL	
b	int(11)	YES		NULL	VIRTUAL
insert into t2 (a) values (1);
select * from t2;
a	b
1	1
insert into t2 values (2,default);
select a,b from t2;
a	b
1	1
2	0
drop table t2;
drop table t1;
create table t1 (a int, b int as (a % 2) persistent);
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) AS (a % 2) PERSISTENT
) ENGINE=MyISAM DEFAULT CHARSET=latin1
describe t1;
Field	Type	Null	Key	Default	Extra
a	int(11)	YES		NULL	
b	int(11)	YES		NULL	PERSISTENT
insert into t1 (a) values (1);
select * from t1;
a	b
1	1
insert into t1 values (2,default);
select a,b from t1;
a	b
1	1
2	0
drop table t1;
create table t2 (a int);
create table t1 (a int, b int as (a % 2) persistent references t2(a));
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) AS (a % 2) PERSISTENT
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t1 (a int, b int as (a % 2));
alter table t1 modify b int as (a % 2) persistent references t2(a);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'references t2(a)' at line 1
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) AS (a % 2) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
