set sql_mode="";
CREATE TABLE t1 (a varchar(30) binary NOT NULL DEFAULT ' ',
b varchar(1) binary NOT NULL DEFAULT ' ',
c varchar(4) binary NOT NULL DEFAULT '0000',
d tinyblob NULL,
e tinyblob NULL,
f tinyblob NULL,
g tinyblob NULL,
h tinyblob NULL,
i tinyblob NULL,
j tinyblob NULL,
k tinyblob NULL,
l tinyblob NULL,
m tinyblob NULL,
n tinyblob NULL,
o tinyblob NULL,
p tinyblob NULL,
q varchar(30) binary NOT NULL DEFAULT ' ',
r varchar(30) binary NOT NULL DEFAULT ' ',
s tinyblob NULL,
t varchar(4) binary NOT NULL DEFAULT ' ',
u varchar(1) binary NOT NULL DEFAULT ' ',
v varchar(30) binary NOT NULL DEFAULT ' ',
w varchar(30) binary NOT NULL DEFAULT ' ',
x tinyblob NULL,
y varchar(5) binary NOT NULL DEFAULT ' ',
z varchar(20) binary NOT NULL DEFAULT ' ',
a1 varchar(30) binary NOT NULL DEFAULT ' ',
b1 tinyblob NULL)
ENGINE=InnoDB DEFAULT CHARACTER SET = latin1 COLLATE latin1_bin;
set sql_mode=default;
INSERT into t1 (b) values ('1');
SHOW WARNINGS;
Level	Code	Message
SELECT * from t1;
a	b	c	d	e	f	g	h	i	j	k	l	m	n	o	p	q	r	s	t	u	v	w	x	y	z	a1	b1
 	1	0000	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	 	 	NULL	 	 	 	 	NULL	 	 	 	NULL
CREATE TABLE t2 (a varchar(30) binary NOT NULL DEFAULT ' ',
b varchar(1) binary NOT NULL DEFAULT ' ',
c varchar(4) binary NOT NULL DEFAULT '0000',
d tinyblob NULL,
e tinyblob NULL,
f tinyblob NULL,
g tinyblob NULL,
h tinyblob NULL,
i tinyblob NULL,
j tinyblob NULL,
k tinyblob NULL,
l tinyblob NULL,
m tinyblob NULL,
n tinyblob NULL,
o tinyblob NULL,
p tinyblob NULL,
q varchar(30) binary NOT NULL DEFAULT ' ',
r varchar(30) binary NOT NULL DEFAULT ' ',
s tinyblob NULL,
t varchar(4) binary NOT NULL DEFAULT ' ',
u varchar(1) binary NOT NULL DEFAULT ' ',
v varchar(30) binary NOT NULL DEFAULT ' ',
w varchar(30) binary NOT NULL DEFAULT ' ',
x tinyblob NULL,
y varchar(5) binary NOT NULL DEFAULT ' ',
z varchar(20) binary NOT NULL DEFAULT ' ',
a1 varchar(30) binary NOT NULL DEFAULT ' ',
b1 tinyblob NULL)
ENGINE=MyISAM DEFAULT CHARACTER SET = latin1 COLLATE latin1_bin;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` varchar(30) NOT NULL DEFAULT ' ',
  `b` varchar(1) NOT NULL DEFAULT ' ',
  `c` varchar(4) NOT NULL DEFAULT '0000',
  `d` tinyblob DEFAULT NULL,
  `e` tinyblob DEFAULT NULL,
  `f` tinyblob DEFAULT NULL,
  `g` tinyblob DEFAULT NULL,
  `h` tinyblob DEFAULT NULL,
  `i` tinyblob DEFAULT NULL,
  `j` tinyblob DEFAULT NULL,
  `k` tinyblob DEFAULT NULL,
  `l` tinyblob DEFAULT NULL,
  `m` tinyblob DEFAULT NULL,
  `n` tinyblob DEFAULT NULL,
  `o` tinyblob DEFAULT NULL,
  `p` tinyblob DEFAULT NULL,
  `q` varchar(30) NOT NULL DEFAULT ' ',
  `r` varchar(30) NOT NULL DEFAULT ' ',
  `s` tinyblob DEFAULT NULL,
  `t` varchar(4) NOT NULL DEFAULT ' ',
  `u` varchar(1) NOT NULL DEFAULT ' ',
  `v` varchar(30) NOT NULL DEFAULT ' ',
  `w` varchar(30) NOT NULL DEFAULT ' ',
  `x` tinyblob DEFAULT NULL,
  `y` varchar(5) NOT NULL DEFAULT ' ',
  `z` varchar(20) NOT NULL DEFAULT ' ',
  `a1` varchar(30) NOT NULL DEFAULT ' ',
  `b1` tinyblob DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_bin
INSERT into t2 (b) values ('1');
SHOW WARNINGS;
Level	Code	Message
SELECT * from t2;
a	b	c	d	e	f	g	h	i	j	k	l	m	n	o	p	q	r	s	t	u	v	w	x	y	z	a1	b1
 	1	0000	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	 	 	NULL	 	 	 	 	NULL	 	 	 	NULL
drop table t1;
drop table t2;
create table bug20691 (i int, d datetime NOT NULL, dn datetime not null default '0000-00-00 00:00:00');
insert ignore into bug20691 values (1, DEFAULT, DEFAULT), (1, '1975-07-10 07:10:03', '1978-01-13 14:08:51'), (1, DEFAULT, DEFAULT);
Warnings:
Warning	1364	Field 'd' doesn't have a default value
Warning	1364	Field 'd' doesn't have a default value
insert ignore into bug20691 (i) values (2);
Warnings:
Warning	1364	Field 'd' doesn't have a default value
desc bug20691;
Field	Type	Null	Key	Default	Extra
i	int(11)	YES		NULL	
d	datetime	NO		NULL	
dn	datetime	NO		0000-00-00 00:00:00	
insert ignore into bug20691 values (3, DEFAULT, DEFAULT), (3, '1975-07-10 07:10:03', '1978-01-13 14:08:51'), (3, DEFAULT, DEFAULT);
Warnings:
Warning	1364	Field 'd' doesn't have a default value
Warning	1364	Field 'd' doesn't have a default value
insert ignore into bug20691 (i) values (4);
Warnings:
Warning	1364	Field 'd' doesn't have a default value
insert ignore into bug20691 values (5, DEFAULT, DEFAULT), (5, '1975-07-10 07:10:03', '1978-01-13 14:08:51'), (5, DEFAULT, DEFAULT);
Warnings:
Warning	1364	Field 'd' doesn't have a default value
Warning	1364	Field 'd' doesn't have a default value
SET sql_mode = 'ALLOW_INVALID_DATES';
insert into bug20691 values (6, DEFAULT, DEFAULT), (6, '1975-07-10 07:10:03', '1978-01-13 14:08:51'), (6, DEFAULT, DEFAULT);
Warnings:
Warning	1364	Field 'd' doesn't have a default value
Warning	1364	Field 'd' doesn't have a default value
SET sql_mode = 'STRICT_ALL_TABLES';
insert into bug20691 values (7, DEFAULT, DEFAULT), (7, '1975-07-10 07:10:03', '1978-01-13 14:08:51'), (7, DEFAULT, DEFAULT);
ERROR HY000: Field 'd' doesn't have a default value
select * from bug20691 order by i asc;
i	d	dn
1	0000-00-00 00:00:00	0000-00-00 00:00:00
1	1975-07-10 07:10:03	1978-01-13 14:08:51
1	0000-00-00 00:00:00	0000-00-00 00:00:00
2	0000-00-00 00:00:00	0000-00-00 00:00:00
3	0000-00-00 00:00:00	0000-00-00 00:00:00
3	1975-07-10 07:10:03	1978-01-13 14:08:51
3	0000-00-00 00:00:00	0000-00-00 00:00:00
4	0000-00-00 00:00:00	0000-00-00 00:00:00
5	0000-00-00 00:00:00	0000-00-00 00:00:00
5	1975-07-10 07:10:03	1978-01-13 14:08:51
5	0000-00-00 00:00:00	0000-00-00 00:00:00
6	0000-00-00 00:00:00	0000-00-00 00:00:00
6	1975-07-10 07:10:03	1978-01-13 14:08:51
6	0000-00-00 00:00:00	0000-00-00 00:00:00
drop table bug20691;
SET sql_mode = '';
create table bug20691 (
a set('one', 'two', 'three') not null,
b enum('small', 'medium', 'large', 'enormous', 'ellisonego') not null,
c time not null,
d date not null,
e int not null,
f long not null,
g blob not null,
h datetime not null,
i decimal not null,
x int);
insert into bug20691 values (2, 3, 5, '0007-01-01', 11, 13, 17, '0019-01-01 00:00:00', 23, 1);
insert into bug20691 (x) values (2);
Warnings:
Warning	1364	Field 'a' doesn't have a default value
Warning	1364	Field 'c' doesn't have a default value
Warning	1364	Field 'd' doesn't have a default value
Warning	1364	Field 'e' doesn't have a default value
Warning	1364	Field 'f' doesn't have a default value
Warning	1364	Field 'g' doesn't have a default value
Warning	1364	Field 'h' doesn't have a default value
Warning	1364	Field 'i' doesn't have a default value
insert into bug20691 values (2, 3, 5, '0007-01-01', 11, 13, 17, '0019-01-01 00:00:00', 23, 3);
insert into bug20691 values (DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT, 4);
Warnings:
Warning	1364	Field 'a' doesn't have a default value
Warning	1364	Field 'c' doesn't have a default value
Warning	1364	Field 'd' doesn't have a default value
Warning	1364	Field 'e' doesn't have a default value
Warning	1364	Field 'f' doesn't have a default value
Warning	1364	Field 'g' doesn't have a default value
Warning	1364	Field 'h' doesn't have a default value
Warning	1364	Field 'i' doesn't have a default value
select * from bug20691 order by x asc;
a	b	c	d	e	f	g	h	i	x
two	large	00:00:05	0007-01-01	11	13	17	0019-01-01 00:00:00	23	1
	small	00:00:00	0000-00-00	0			0000-00-00 00:00:00	0	2
two	large	00:00:05	0007-01-01	11	13	17	0019-01-01 00:00:00	23	3
	small	00:00:00	0000-00-00	0			0000-00-00 00:00:00	0	4
drop table bug20691;
create table t1 (id int not null);
insert into t1 values(default);
Warnings:
Warning	1364	Field 'id' doesn't have a default value
create view v1 (c) as select id from t1;
insert into t1 values(default);
Warnings:
Warning	1364	Field 'id' doesn't have a default value
drop view v1;
drop table t1;
create table t1 (a int unique);
create table t2 (b int default 10);
insert into t1 (a) values (1);
insert into t2 (b) values (1);
insert into t1 (a) select b from t2 on duplicate key update a=default;
select * from t1;
a
NULL
insert into t1 (a) values (1);
insert into t1 (a) select b from t2 on duplicate key update a=default(b);
select * from t1;
a
NULL
10
drop table t1, t2;
# End of 5.0 tests
#
# Start of 10.0 tests
#
#
# MDEV-11265 Access defied when CREATE VIIEW v1 AS SELECT DEFAULT(column) FROM t1
#
CREATE TABLE t1 (a INT DEFAULT 10);
INSERT INTO t1 VALUES (11);
CREATE VIEW v1 AS SELECT a AS a FROM t1;
CREATE VIEW v2 AS SELECT DEFAULT(a) AS a FROM t1;
CREATE VIEW v3 AS SELECT VALUE(a) AS a FROM t1;
SELECT * FROM v1;
a
11
SELECT * FROM v2;
a
10
SELECT * FROM v3;
a
NULL
UPDATE v2 SET a=123;
ERROR HY000: Column 'a' is not updatable
UPDATE v3 SET a=123;
ERROR HY000: Column 'a' is not updatable
DROP VIEW v3;
DROP VIEW v2;
DROP VIEW v1;
DROP TABLE t1;
#
# MDEV-10780 Server crashes in in create_tmp_table
#
connect  con1,localhost,root,,test;
CREATE TABLE t1 (pk INT AUTO_INCREMENT PRIMARY KEY) ENGINE=MyISAM;
INSERT INTO t1 VALUES ();
INSERT INTO t1 VALUES ();
SELECT DISTINCT DEFAULT (pk) FROM t1 GROUP BY RAND() WITH ROLLUP;
DEFAULT (pk)
0
disconnect con1;
connection default;
DROP TABLE t1;
#
# End of 10.0 tests
#
#
# Start of 10.1 tests
#
CREATE TABLE t1 (a INT DEFAULT 100, b INT DEFAULT NULL);
INSERT INTO t1 VALUES ();
SELECT * FROM t1 WHERE DEFAULT(a);
a	b
100	NULL
SELECT * FROM t1 WHERE DEFAULT(b);
a	b
DROP TABLE IF EXISTS t1;
#
# End of 10.1 tests
#
#
# Start of 10.2 tests
#
SET timestamp=UNIX_TIMESTAMP('2001-01-01 10:20:30.123456');
#
# Check that CURRENT_TIMESTAMP works as before
#
CREATE or replace TABLE t1 (event_time TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `event_time` timestamp(6) NOT NULL DEFAULT current_timestamp(6) ON UPDATE current_timestamp(6)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
CREATE or replace TABLE t1 (event_time TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(2) ON UPDATE CURRENT_TIMESTAMP);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `event_time` timestamp(6) NOT NULL DEFAULT current_timestamp(2) ON UPDATE current_timestamp(6)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
CREATE or replace TABLE t1 (event_time TIMESTAMP(6) NOT NULL DEFAULT SYSDATE(2) ON UPDATE CURRENT_TIMESTAMP);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `event_time` timestamp(6) NOT NULL DEFAULT sysdate(2) ON UPDATE current_timestamp(6)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
drop table t1;
#
# Check default expressions
#
create or replace table t1 (a int default 1, b int default (a+1), c int default (a+b)) engine myisam;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT 1,
  `b` int(11) DEFAULT (`a` + 1),
  `c` int(11) DEFAULT (`a` + `b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
insert into t1 values ();
insert into t1 (a) values (2);
insert into t1 (a,b) values (10,20);
insert into t1 (a,b,c) values (100,200,400);
select * from t1;
a	b	c
1	2	3
2	3	5
10	20	30
100	200	400
truncate table t1;
insert delayed into t1 values ();
insert delayed into t1 (a) values (2);
insert delayed into t1 (a,b) values (10,20);
insert delayed into t1 (a,b,c) values (100,200,400);
flush tables t1;
select * from t1;
a	b	c
1	2	3
2	3	5
10	20	30
100	200	400
create or replace table t1 (a int, b blob default (1), c blob default "hello", t text default concat(a,b,c)) engine=myisam;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` blob DEFAULT 1,
  `c` blob DEFAULT 'hello',
  `t` text DEFAULT concat(`a`,`b`,`c`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
insert into t1 (a) values (2);
insert into t1 (a,b) values (10,"test1");
insert into t1 (a,b,c) values (10,"test2","test3");
insert delayed into t1 (a,b) values (10,"test4");
flush tables t1;
select * from t1;
a	b	c	t
2	1	hello	21hello
10	test1	hello	10test1hello
10	test2	test3	10test2test3
10	test4	hello	10test4hello
drop table t1;
create or replace table t1 (a bigint default uuid_short());
insert into t1 values();
select a > 0 from t1;
a > 0
1
drop table t1;
create or replace table t1 (param_list int DEFAULT (1+1) NOT NULL);
create or replace table t1 (param_list int DEFAULT 1+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 '+1 NOT NULL)' at line 1
create or replace table t1 (param_list blob DEFAULT "" NOT NULL);
drop table t1;
create table t1 (a int);
insert into t1 values(-1);
alter table t1 add b int default 1, add c int default -1, add d int default (1+1), add e timestamp not null default now();
select a,b,c,d,e from t1;
a	b	c	d	e
-1	1	-1	2	2001-01-01 10:20:30
insert into t1 values(10,10,10,10,0);
alter table t1 add f int default (1+1+1) null, add g int default (1+1+1+1) not null,add h int default (2+2+2+2);
select a,b,c,d,e,f,g,h from t1;
a	b	c	d	e	f	g	h
-1	1	-1	2	2001-01-01 10:20:30	3	4	8
10	10	10	10	0000-00-00 00:00:00	3	4	8
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT 1,
  `c` int(11) DEFAULT -1,
  `d` int(11) DEFAULT (1 + 1),
  `e` timestamp NOT NULL DEFAULT current_timestamp(),
  `f` int(11) DEFAULT (1 + 1 + 1),
  `g` int(11) NOT NULL DEFAULT (1 + 1 + 1 + 1),
  `h` int(11) DEFAULT (2 + 2 + 2 + 2)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
create table t2 like t1;
show create table t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT 1,
  `c` int(11) DEFAULT -1,
  `d` int(11) DEFAULT (1 + 1),
  `e` timestamp NOT NULL DEFAULT current_timestamp(),
  `f` int(11) DEFAULT (1 + 1 + 1),
  `g` int(11) NOT NULL DEFAULT (1 + 1 + 1 + 1),
  `h` int(11) DEFAULT (2 + 2 + 2 + 2)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
insert into t2 (a) values (100);
select a,b,c,d,e,f,g,h from t2;
a	b	c	d	e	f	g	h
100	1	-1	2	2001-01-01 10:20:30	3	4	8
drop table t1,t2;
create table t1 (a int default (1----1), b int default - 1, c int default +1, e int default (--1));
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT (1 - -1),
  `b` int(11) DEFAULT -1,
  `c` int(11) DEFAULT 1,
  `e` int(11) DEFAULT 1
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
insert into t1 values();
insert into t1 values();
select * from t1;
a	b	c	e
2	-1	1	1
2	-1	1	1
drop table t1;
#
# Create or replace can delete a table on error
#
create table t1 (a int);
create or replace table t1 (a int default b, b int default a);
ERROR 01000: Expression for field `a` is referring to uninitialized field `b`
show create table t1;
ERROR 42S02: Table 'test.t1' doesn't exist
#
# Refering to other columns
#
create or replace table t1 (a int default 1, b int default a);
create or replace table t1 (a int default 1, b int as (a));
create or replace table t1 (a int default b, b int default 1);
create or replace table t1 (a int as (b), b int default 1);
create or replace table t1 (a int as (b), b int default (1+1));
create or replace table t1 (a int default 1, b int as (c), c int default (a+1));
create or replace table t1 (a int default (1+1), b int as (c), c int default (a+1));
create or replace table t1 (a varchar(128) default @@version);
create or replace table t1 (a int not null, b int as (a));
create or replace table t1 (a int not null, b int default (a+1));
create or replace table t1 (a int default a);
ERROR 01000: Expression for field `a` is referring to uninitialized field `a`
create or replace table t1 (a int default b, b int default (1+1));
create or replace table t1 (a int default 1, b int as (c), c int as (a+1));
ERROR 01000: Expression for field `b` is referring to uninitialized field `c`
CREATE TABLE t1 (a INT DEFAULT (DEFAULT(a)));
ERROR 01000: Expression for field `a` is referring to uninitialized field `a`
CREATE TABLE t1 (a INT DEFAULT(DEFAULT(b)), b INT DEFAULT(DEFAULT(a)));
ERROR 01000: Expression for field `a` is referring to uninitialized field `b`
CREATE TABLE t1 (a INT DEFAULT(DEFAULT(b)) NOT NULL, b INT DEFAULT(DEFAULT(a)) NOT NULL);
ERROR 01000: Expression for field `a` is referring to uninitialized field `b`
#
# Allow defaults to refer to not default fields
#
create or replace table t1 (a int default b, b int not null);
insert into t1 values();
Warnings:
Warning	1364	Field 'b' doesn't have a default value
insert into t1 (a) values(1);
Warnings:
Warning	1364	Field 'b' doesn't have a default value
insert into t1 (b) values(2);
insert into t1 (a,b) values(3,4);
select * from t1;
a	b
0	0
1	0
2	2
3	4
drop table t1;
CREATE OR REPLACE TABLE t1 (a INT DEFAULT @v);
drop table t1;
CREATE TABLE t1 (a INT DEFAULT @v:=1);
drop table t1;
#
# Error handling
#
create or replace table t1 (a bigint default xxx());
ERROR HY000: Function or expression '`xxx`()' cannot be used in the DEFAULT clause of `a`
create or replace table t1 (a bigint default (select (1)));
ERROR HY000: Function or expression 'select ...' cannot be used in the DEFAULT clause of `a`
create or replace table t1 (a bigint default (1,2,3));
ERROR 21000: Operand should contain 1 column(s)
create or replace table t1 (a bigint default ((1,2,3)));
ERROR 21000: Operand should contain 1 column(s)
CREATE TABLE t1 (a INT, b INT, c INT DEFAULT a DIV b);
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 'DIV b)' at line 1
CREATE TABLE t1 (a INT, b INT DEFAULT -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 'a)' at line 1
#
# Invalid DEFAULT expressions
#
CREATE TABLE t1 (a INT DEFAULT ((SELECT 1)));
ERROR HY000: Function or expression 'select ...' cannot be used in the DEFAULT clause of `a`
CREATE TABLE t1 (a INT DEFAULT (EXISTS (SELECT 1)));
ERROR HY000: Function or expression 'select ...' cannot be used in the DEFAULT clause of `a`
CREATE TABLE t1 (a INT DEFAULT (1=ANY (SELECT 1)));
ERROR HY000: Function or expression 'select ...' cannot be used in the DEFAULT clause of `a`
CREATE TABLE t1 (a INT DEFAULT ROW(1,1));
ERROR 21000: Operand should contain 1 column(s)
CREATE TABLE t1 (a INT DEFAULT (1,1));
ERROR 21000: Operand should contain 1 column(s)
CREATE TABLE t1 (a INT DEFAULT ((1,1)));
ERROR 21000: Operand should contain 1 column(s)
CREATE TABLE t1 (a INT DEFAULT ?);
Got one of the listed errors
CREATE TABLE t1 (a INT DEFAULT(?));
Got one of the listed errors
CREATE TABLE t1 (a INT DEFAULT (b), b INT DEFAULT(a));
ERROR 01000: Expression for field `a` is referring to uninitialized field `b`
CREATE TABLE t1 (a INT DEFAULT(NAME_CONST('xxx', 'yyy'));
ERROR HY000: Function or expression 'name_const()' cannot be used in the DEFAULT clause of `a`
CREATE TABLE t1 (a INT DEFAULT COUNT(*));
ERROR HY000: Function or expression 'count()' cannot be used in the DEFAULT clause of `a`
CREATE TABLE t1 (a INT DEFAULT COUNT(1));
ERROR HY000: Function or expression 'count()' cannot be used in the DEFAULT clause of `a`
CREATE TABLE t1 (a INT DEFAULT AVG(1));
ERROR HY000: Function or expression 'avg()' cannot be used in the DEFAULT clause of `a`
CREATE TABLE t1 (a INT DEFAULT MIN(1));
ERROR HY000: Function or expression 'min()' cannot be used in the DEFAULT clause of `a`
CREATE TABLE t1 (a INT DEFAULT GROUP_CONCAT(1));
ERROR HY000: Function or expression 'group_concat()' cannot be used in the DEFAULT clause of `a`
CREATE TABLE t1 (a INT DEFAULT ROW_NUMBER() OVER ());
ERROR HY000: Function or expression 'row_number()' cannot be used in the DEFAULT clause of `a`
CREATE FUNCTION f1() RETURNS INT RETURN 1;
CREATE TABLE t1 (a INT DEFAULT f1());
ERROR HY000: Function or expression '`f1`()' cannot be used in the DEFAULT clause of `a`
DROP FUNCTION f1;
CREATE PROCEDURE p1(par INT) CREATE TABLE t1 (a INT DEFAULT par);
ERROR HY000: Function or expression 'par' cannot be used in the DEFAULT clause of `a`
CREATE TABLE t1 (a INT DEFAULT par);
ERROR 42S22: Unknown column 'par' in 'DEFAULT'
CREATE PROCEDURE p1() CREATE TABLE t1 (a INT DEFAULT par);
CALL p1;
ERROR 42S22: Unknown column 'par' in 'DEFAULT'
DROP PROCEDURE p1;
CREATE TABLE t1 (a INT DEFAULT VALUE(a));
ERROR HY000: Function or expression 'value()' cannot be used in the DEFAULT clause of `a`
CREATE TABLE t1 (a INT);
CREATE TRIGGER tr1 AFTER INSERT ON t1 FOR EACH ROW CREATE TABLE t2 (a INT DEFAULT NEW.a);
ERROR HY000: Function or expression 'NEW.a' cannot be used in the DEFAULT clause of `a`
CREATE TRIGGER tr1 AFTER INSERT ON t1 FOR EACH ROW CREATE TEMPORARY TABLE t2 (a INT DEFAULT NEW.a);
ERROR HY000: Function or expression 'NEW.a' cannot be used in the DEFAULT clause of `a`
DROP TABLE t1;
#
# Prepared statements
#
PREPARE stmt FROM 'CREATE TABLE t1 (a INT DEFAULT(?))';
set @a=1;
execute stmt using @a;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT 1
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
drop table t1;
set @a=-1;
execute stmt using @a;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT -1
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
drop table t1;
DEALLOCATE PREPARE stmt;
PREPARE stmt FROM 'CREATE TABLE t1 (a INT DEFAULT(?), b INT DEFAULT(?))';
set @a=1, @b=2;
execute stmt using @a,@b;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT 1,
  `b` int(11) DEFAULT 2
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
drop table t1;
DEALLOCATE PREPARE stmt;
prepare stmt from 'create table t1 (a int default(?+?))';
set @a=1;
execute stmt using @a,@a;
deallocate prepare stmt;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT (1 + 1)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
drop table t1;
#
# Parenthesized Item_basic_constant
#
CREATE TABLE t1 (
i01 INT DEFAULT (((1))),
i02 INT DEFAULT (((0x3939))),
i03 INT DEFAULT (((1.0))),
i04 INT DEFAULT (((1e0))),
i05 INT DEFAULT (((NULL))),
f01 DOUBLE DEFAULT (((PI()))),
s01 VARCHAR(10) DEFAULT (((_latin1'test'))),
s02 VARCHAR(10) DEFAULT ((('test'))),
s03 VARCHAR(10) DEFAULT (((0x40))),
s04 VARCHAR(10) DEFAULT (((X'40'))),
s05 VARCHAR(10) DEFAULT (((B'1000000'))),
d01 TIME DEFAULT (((TIME'10:20:30'))),
d02 DATE DEFAULT (((DATE'2001-01-01'))),
d03 DATETIME DEFAULT (((TIMESTAMP'2001-01-01 10:20:30')))
);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `i01` int(11) DEFAULT 1,
  `i02` int(11) DEFAULT 14649,
  `i03` int(11) DEFAULT 1,
  `i04` int(11) DEFAULT 1,
  `i05` int(11) DEFAULT NULL,
  `f01` double DEFAULT 3.141592653589793,
  `s01` varchar(10) DEFAULT 'test',
  `s02` varchar(10) DEFAULT 'test',
  `s03` varchar(10) DEFAULT '@',
  `s04` varchar(10) DEFAULT '@',
  `s05` varchar(10) DEFAULT '@',
  `d01` time DEFAULT '10:20:30',
  `d02` date DEFAULT '2001-01-01',
  `d03` datetime DEFAULT '2001-01-01 10:20:30'
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES ();
SELECT * FROM t1;
i01	1
i02	14649
i03	1
i04	1
i05	NULL
f01	3.141592653589793
s01	test
s02	test
s03	@
s04	@
s05	@
d01	10:20:30
d02	2001-01-01
d03	2001-01-01 10:20:30
DROP TABLE t1;
#
# COALESCE(Item_basic_constant)
#
CREATE TABLE t1 (
i01 INT DEFAULT COALESCE(1),
i02 INT DEFAULT COALESCE(0x3939),
i03 INT DEFAULT COALESCE(1.0),
i04 INT DEFAULT COALESCE(1e0),
i05 INT DEFAULT COALESCE(NULL),
f01 DOUBLE DEFAULT COALESCE(PI()),
s01 VARCHAR(10) DEFAULT COALESCE(_latin1'test'),
s02 VARCHAR(10) DEFAULT COALESCE('test'),
s03 VARCHAR(10) DEFAULT COALESCE(0x40),
s04 VARCHAR(10) DEFAULT COALESCE(X'40'),
s05 VARCHAR(10) DEFAULT COALESCE(B'1000000'),
d01 TIME DEFAULT COALESCE(TIME'10:20:30'),
d02 DATE DEFAULT COALESCE(DATE'2001-01-01'),
d03 DATETIME DEFAULT COALESCE(TIMESTAMP'2001-01-01 10:20:30')
);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `i01` int(11) DEFAULT coalesce(1),
  `i02` int(11) DEFAULT coalesce(0x3939),
  `i03` int(11) DEFAULT coalesce(1.0),
  `i04` int(11) DEFAULT coalesce(1e0),
  `i05` int(11) DEFAULT coalesce(NULL),
  `f01` double DEFAULT coalesce(pi()),
  `s01` varchar(10) DEFAULT coalesce(_latin1'test'),
  `s02` varchar(10) DEFAULT coalesce('test'),
  `s03` varchar(10) DEFAULT coalesce(0x40),
  `s04` varchar(10) DEFAULT coalesce(X'40'),
  `s05` varchar(10) DEFAULT coalesce(0x40),
  `d01` time DEFAULT coalesce(TIME'10:20:30'),
  `d02` date DEFAULT coalesce(DATE'2001-01-01'),
  `d03` datetime DEFAULT coalesce(TIMESTAMP'2001-01-01 10:20:30')
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES ();
SELECT * FROM t1;
i01	1
i02	99
i03	1
i04	1
i05	NULL
f01	3.141592653589793
s01	test
s02	test
s03	@
s04	@
s05	@
d01	10:20:30
d02	2001-01-01
d03	2001-01-01 10:20:30
DROP TABLE t1;
#
# TINYINT: out of range
#
CREATE TABLE t1 (a TINYINT DEFAULT 300 NOT NULL);
ERROR 42000: Invalid default value for 'a'
CREATE TABLE t1 (a TINYINT DEFAULT 128 NOT NULL);
ERROR 42000: Invalid default value for 'a'
CREATE TABLE t1 (a TINYINT DEFAULT -500 NOT NULL);
ERROR 42000: Invalid default value for 'a'
#
# INT: simple numeric expressions
#
CREATE TABLE t1 (a INT DEFAULT 1 NOT NULL);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) NOT NULL DEFAULT 1
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (DEFAULT);
SELECT * FROM t1;
a
1
DROP TABLE t1;
CREATE TABLE t1 (a INT DEFAULT COALESCE(1) NOT NULL);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) NOT NULL DEFAULT coalesce(1)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (DEFAULT);
SELECT * FROM t1;
a
1
DROP TABLE t1;
#
# INT: simple string expressions 
#
CREATE TABLE t1 (a INT DEFAULT '1' NOT NULL);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) NOT NULL DEFAULT 1
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (DEFAULT);
SELECT * FROM t1;
a
1
DROP TABLE t1;
CREATE TABLE t1 (a INT DEFAULT CONCAT('1') NOT NULL);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) NOT NULL DEFAULT concat('1')
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (DEFAULT);
SELECT * FROM t1;
a
1
DROP TABLE t1;
CREATE TABLE t1 (a INT DEFAULT COALESCE('1') NOT NULL);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) NOT NULL DEFAULT coalesce('1')
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (DEFAULT);
SELECT * FROM t1;
a
1
DROP TABLE t1;
#
# INT: string expressions with garbage
#
CREATE TABLE t1 (a INT DEFAULT 'x');
ERROR 42000: Invalid default value for 'a'
CREATE TABLE t1 (a INT DEFAULT CONCAT('x'));
ERROR 42000: Invalid default value for 'a'
CREATE TABLE t1 (a INT DEFAULT COALESCE('x'));
ERROR 42000: Invalid default value for 'a'
CREATE TABLE t1 (a INT DEFAULT (((((COALESCE('x')))))));
ERROR 42000: Invalid default value for 'a'
#
# INT: string expressions with numbers + garbage
#
CREATE TABLE t1 (a INT DEFAULT '1x');
ERROR 42000: Invalid default value for 'a'
CREATE TABLE t1 (a INT DEFAULT COALESCE('1x'));
ERROR 42000: Invalid default value for 'a'
CREATE TABLE t1 (a INT DEFAULT CONCAT('1x'));
ERROR 42000: Invalid default value for 'a'
#
# INT: string expressions with numbers + trailing space
#
CREATE TABLE t1 (a INT DEFAULT '1 ');
Warnings:
Note	1265	Data truncated for column 'a' at row 0
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT 1
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (DEFAULT);
SELECT * FROM t1;
a
1
DROP TABLE t1;
CREATE TABLE t1 (a INT DEFAULT CONCAT('1 '));
Warnings:
Note	1265	Data truncated for column 'a' at row 0
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT concat('1 ')
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (DEFAULT);
Warnings:
Note	1265	Data truncated for column 'a' at row 1
SELECT * FROM t1;
a
1
DROP TABLE t1;
CREATE TABLE t1 (a INT DEFAULT COALESCE('1 '));
Warnings:
Note	1265	Data truncated for column 'a' at row 0
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT coalesce('1 ')
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (DEFAULT);
Warnings:
Note	1265	Data truncated for column 'a' at row 1
SELECT * FROM t1;
a
1
DROP TABLE t1;
#
# INT: a HEX value
#
CREATE TABLE t1 (a INT DEFAULT 0x61 NOT NULL);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) NOT NULL DEFAULT 97
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (DEFAULT);
SELECT * FROM t1;
a
97
DROP TABLE t1;
#
# VARCHAR: good defaults
#
CREATE TABLE t1 (a VARCHAR(30) DEFAULT 'xxx' NOT NULL);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(30) NOT NULL DEFAULT 'xxx'
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (DEFAULT);
SELECT * FROM t1;
a
xxx
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(2) DEFAULT 0x41 NOT NULL);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(2) NOT NULL DEFAULT 'A'
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(2) DEFAULT CONCAT(0x41) NOT NULL);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(2) NOT NULL DEFAULT concat(0x41)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (DEFAULT);
SELECT * FROM t1;
a
A
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(2) DEFAULT COALESCE(0x41) NOT NULL);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(2) NOT NULL DEFAULT coalesce(0x41)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (DEFAULT);
SELECT * FROM t1;
a
A
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(2) DEFAULT CONCAT(_utf8 0x41) NOT NULL);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(2) NOT NULL DEFAULT concat(_utf8mb3'A')
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (DEFAULT);
SELECT * FROM t1;
a
A
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(2) DEFAULT CONCAT(_utf8 X'41') NOT NULL);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(2) NOT NULL DEFAULT concat(_utf8mb3'A')
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (DEFAULT);
SELECT * FROM t1;
a
A
DROP TABLE t1;
#
# VARCHAR: Too long default
#
CREATE TABLE t1 (a VARCHAR(2) DEFAULT 'xxx' NOT NULL);
ERROR 42000: Invalid default value for 'a'
CREATE TABLE t1 (a VARCHAR(2) DEFAULT CONCAT('xxx') NOT NULL);
ERROR 42000: Invalid default value for 'a'
#
# VARCHAR: Too long default with non-important data
#
CREATE TABLE t1 (a VARCHAR(2) DEFAULT 'xx ' NOT NULL);
ERROR 42000: Invalid default value for 'a'
CREATE TABLE t1 (a VARCHAR(2) DEFAULT CONCAT('xx ') NOT NULL);
ERROR 42000: Invalid default value for 'a'
#
# VARCHAR: conversion failures
#
CREATE TABLE t1 (a VARCHAR(2) CHARACTER SET latin1 DEFAULT _utf8 X'D18F' NOT NULL);
ERROR 42000: Invalid default value for 'a'
CREATE TABLE t1 (a VARCHAR(2) CHARACTER SET latin1 DEFAULT CONCAT(_utf8 X'D18F') NOT NULL);
ERROR 42000: Invalid default value for 'a'
CREATE TABLE t1 (a VARCHAR(2) CHARACTER SET latin1 DEFAULT CONCAT(_utf8 0xD18F) NOT NULL);
ERROR 42000: Invalid default value for 'a'
#
# Field as a default value
#
CREATE TABLE t1 (a INT, b INT DEFAULT (a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT `a`
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (1, 1);
INSERT INTO t1 VALUES (DEFAULT, DEFAULT);
INSERT INTO t1 VALUES (1, DEFAULT);
INSERT INTO t1 VALUES (DEFAULT, 1);
SELECT * FROM t1;
a	b
1	1
NULL	NULL
1	1
NULL	1
DROP TABLE t1;
#
# Function DEFAULT(field)
#
CREATE TABLE t1 (a INT DEFAULT(DEFAULT(b)), b INT DEFAULT 1);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT default(`b`),
  `b` int(11) DEFAULT 1
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (DEFAULT, DEFAULT);
SELECT * FROM t1;
a	b
1	1
DROP TABLE t1;
CREATE TABLE t1 (a INT DEFAULT 1, b INT DEFAULT(DEFAULT(a)));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT 1,
  `b` int(11) DEFAULT default(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (DEFAULT, DEFAULT);
SELECT * FROM t1;
a	b
1	1
DROP TABLE t1;
#
# SQL Standard <datetime value function> as a <default option>
#
CREATE TABLE t1 (a DATETIME DEFAULT CURRENT_TIMESTAMP);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` datetime DEFAULT current_timestamp()
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a TIME DEFAULT CURRENT_TIME);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` time DEFAULT curtime()
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a DATE DEFAULT CURRENT_DATE);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` date DEFAULT curdate()
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# DECIMAL + CURRENT_TIMESTAMP, no truncation
#
CREATE TABLE t1 (a DECIMAL(30,6) DEFAULT CURRENT_TIMESTAMP(6));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` decimal(30,6) DEFAULT current_timestamp(6)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES ();
SELECT * FROM t1;
a
20010101102030.123456
DROP TABLE t1;
CREATE TABLE t1 (a DECIMAL(30,6) DEFAULT COALESCE(CURRENT_TIMESTAMP(6)));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` decimal(30,6) DEFAULT coalesce(current_timestamp(6))
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES();
INSERT IGNORE INTO t1 VALUES();
SET sql_mode = 'STRICT_ALL_TABLES';
INSERT INTO t1 VALUES();
SET sql_mode = DEFAULT;
DROP TABLE t1;
#
# DECIMAL + CURRENT_TIME, no truncation
#
CREATE TABLE t1 (a DECIMAL(30,6) DEFAULT COALESCE(CURRENT_TIME(6)));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` decimal(30,6) DEFAULT coalesce(curtime(6))
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT IGNORE INTO t1 VALUES();
DROP TABLE t1;
#
# DECIMAL + CURRENT_DATE, no truncation
#
CREATE TABLE t1 (a DECIMAL(30,6) DEFAULT COALESCE(CURRENT_DATE));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` decimal(30,6) DEFAULT coalesce(curdate())
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT IGNORE INTO t1 VALUES();
DROP TABLE t1;
#
# COALESCE for SQL Standard <datetime value function>
#
CREATE TABLE t1 (a TIMESTAMP DEFAULT COALESCE(CURRENT_TIMESTAMP));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` timestamp NULL DEFAULT coalesce(current_timestamp())
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a DATE DEFAULT COALESCE(CURRENT_DATE));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` date DEFAULT coalesce(curdate())
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a TIME DEFAULT COALESCE(CURRENT_TIME));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` time DEFAULT coalesce(curtime())
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (
a TIMESTAMP DEFAULT CURRENT_TIMESTAMP(6),
b TIMESTAMP DEFAULT COALESCE(CURRENT_TIMESTAMP(6))
);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` timestamp NULL DEFAULT current_timestamp(),
  `b` timestamp NULL DEFAULT coalesce(current_timestamp(6))
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES ();
SELECT CURRENT_TIMESTAMP(6);
CURRENT_TIMESTAMP(6)
2001-01-01 10:20:30.123456
SELECT * FROM t1;
a	b
2001-01-01 10:20:30	2001-01-01 10:20:30
DROP TABLE t1;
CREATE TABLE t1 (
a DECIMAL(30,0) DEFAULT CURRENT_TIMESTAMP(6),
b DECIMAL(30,0) DEFAULT COALESCE(CURRENT_TIMESTAMP(6))
);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` decimal(30,0) DEFAULT current_timestamp(6),
  `b` decimal(30,0) DEFAULT coalesce(current_timestamp(6))
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT IGNORE INTO t1 VALUES ();
Warnings:
Note	1265	Data truncated for column 'a' at row 1
Note	1265	Data truncated for column 'b' at row 1
SELECT * FROM t1;
a	b
20010101102030	20010101102030
DROP TABLE t1;
#
# Check DEFAULT() function
#
CREATE TABLE `t1` (`a` int(11) DEFAULT (3+3),`b` int(11) DEFAULT '1000');
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT (3 + 3),
  `b` int(11) DEFAULT 1000
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
insert into t1 values (1,1),(2,2);
insert into t1 values (default,default);
select * from t1;
a	b
1	1
2	2
6	1000
select default(a),b from t1;
default(a)	b
6	1
6	2
6	1000
select a,default(b) from t1;
a	default(b)
1	1000
2	1000
6	1000
drop table t1;
#
# Real functions
#
CREATE TABLE t1 (a DECIMAL(10,1), b DOUBLE DEFAULT CAST(a AS DOUBLE));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` decimal(10,1) DEFAULT NULL,
  `b` double DEFAULT (cast(`a` as double))
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (10.1, DEFAULT);
SELECT * FROM t1;
a	b
10.1	10.1
DROP TABLE t1;
CREATE TABLE t1 (a DOUBLE, b DOUBLE DEFAULT EXP(a), c DOUBLE DEFAULT LOG(b), d DOUBLE DEFAULT LOG(4, b));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` double DEFAULT NULL,
  `b` double DEFAULT exp(`a`),
  `c` double DEFAULT log(`b`),
  `d` double DEFAULT log(4,`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (2, DEFAULT, DEFAULT, DEFAULT);
SELECT * FROM t1;
a	b	c	d
2	7.38905609893065	2	1.4426950408889634
DROP TABLE t1;
CREATE TABLE t1 (a INT, b DOUBLE DEFAULT LOG2(a), c DOUBLE DEFAULT LOG10(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` double DEFAULT log2(`a`),
  `c` double DEFAULT log10(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (4, DEFAULT, DEFAULT);
INSERT INTO t1 VALUES (100, DEFAULT, DEFAULT);
SELECT * FROM t1;
a	b	c
4	2	0.6020599913279624
100	6.643856189774725	2
DROP TABLE t1;
CREATE TABLE t1 (a DOUBLE, b DOUBLE DEFAULT SQRT(a), c DOUBLE DEFAULT POW(a,3));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` double DEFAULT NULL,
  `b` double DEFAULT sqrt(`a`),
  `c` double DEFAULT pow(`a`,3)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (4, DEFAULT, DEFAULT);
SELECT * FROM t1;
a	b	c
4	2	64
DROP TABLE t1;
CREATE TABLE t1 (a DOUBLE, b DOUBLE DEFAULT ACOS(a), c DOUBLE DEFAULT ASIN(a), d DOUBLE DEFAULT ATAN(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` double DEFAULT NULL,
  `b` double DEFAULT acos(`a`),
  `c` double DEFAULT asin(`a`),
  `d` double DEFAULT atan(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (1, DEFAULT, DEFAULT, DEFAULT);
SELECT a, b/PI(), c/PI(), d/PI() FROM t1;
a	b/PI()	c/PI()	d/PI()
1	0	0.5	0.25
DROP TABLE t1;
CREATE TABLE t1 (a DOUBLE, b DOUBLE DEFAULT COS(a), c DOUBLE DEFAULT SIN(a), d DOUBLE DEFAULT TAN(a), e DOUBLE DEFAULT COT(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` double DEFAULT NULL,
  `b` double DEFAULT cos(`a`),
  `c` double DEFAULT sin(`a`),
  `d` double DEFAULT tan(`a`),
  `e` double DEFAULT cot(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES (PI()/3);
SELECT ROUND(a,3), ROUND(b,3), ROUND(c,3), ROUND(d,3), ROUND(e,3) FROM t1;
ROUND(a,3)	ROUND(b,3)	ROUND(c,3)	ROUND(d,3)	ROUND(e,3)
1.047	0.500	0.866	1.732	0.577
DROP TABLE t1;
CREATE TABLE t1 (a DOUBLE DEFAULT RAND());
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` double DEFAULT rand()
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (DEFAULT);
DROP TABLE t1;
CREATE TABLE t1 (a DOUBLE, b DOUBLE DEFAULT DEGREES(a), c DOUBLE DEFAULT RADIANS(b));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` double DEFAULT NULL,
  `b` double DEFAULT degrees(`a`),
  `c` double DEFAULT radians(`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (PI(), DEFAULT, DEFAULT);
SELECT * FROM t1;
a	b	c
3.141592653589793	180	3.141592653589793
DROP TABLE t1;
#
# INT result functions
#
CREATE TABLE t1 (a INT, b INT DEFAULT INTERVAL(a, 10, 20, 30, 40));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT interval(`a`,10,20,30,40)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES (34);
SELECT * FROM t1;
a	b
34	3
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT, c INT DEFAULT (a DIV b));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT (`a` DIV `b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a, b) VALUES (13, 3);
SELECT * FROM t1;
a	b	c
13	3	4
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT DEFAULT SIGN(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT sign(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES (-10),(0), (10);
SELECT * FROM t1;
a	b
-10	-1
0	0
10	1
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(30), b INT DEFAULT FIELD(a, 'Hej', 'ej', 'Heja', 'hej', 'foo'));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(30) DEFAULT NULL,
  `b` int(11) DEFAULT field(`a`,'Hej','ej','Heja','hej','foo')
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('ej');
SELECT * FROM t1;
a	b
ej	2
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(30), b INT DEFAULT FIND_IN_SET(a, 'Hej,ej,Heja,hej,foo'));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(30) DEFAULT NULL,
  `b` int(11) DEFAULT find_in_set(`a`,'Hej,ej,Heja,hej,foo')
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('ej');
SELECT * FROM t1;
a	b
ej	2
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(30), b INT DEFAULT ASCII(a), c INT DEFAULT ORD(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(30) DEFAULT NULL,
  `b` int(11) DEFAULT ascii(`a`),
  `c` int(11) DEFAULT ord(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('a');
SELECT * FROM t1;
a	b	c
a	97	97
DROP TABLE t1;
CREATE TABLE t1 (a TEXT DEFAULT UUID_SHORT());
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` text DEFAULT uuid_short()
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES ();
SELECT a>0 FROM t1;
a>0
1
DROP TABLE t1;
CREATE TABLE t1 (a INT DEFAULT BENCHMARK(1,1));
ERROR HY000: Function or expression 'benchmark()' cannot be used in the DEFAULT clause of `a`
CREATE TABLE t1 (a INT DEFAULT GET_LOCK('a',1));
ERROR HY000: Function or expression 'get_lock()' cannot be used in the DEFAULT clause of `a`
CREATE TABLE t1 (a INT DEFAULT RELEASE_LOCK('a'));
ERROR HY000: Function or expression 'release_lock()' cannot be used in the DEFAULT clause of `a`
CREATE TABLE t1 (a INT DEFAULT IS_USED_LOCK('a'));
ERROR HY000: Function or expression 'is_used_lock()' cannot be used in the DEFAULT clause of `a`
CREATE TABLE t1 (a INT DEFAULT IS_FREE_LOCK('a'));
ERROR HY000: Function or expression 'is_free_lock()' cannot be used in the DEFAULT clause of `a`
CREATE TABLE t1 (a INT DEFAULT SLEEP(1));
ERROR HY000: Function or expression 'sleep()' cannot be used in the DEFAULT clause of `a`
CREATE TABLE t1 (a INT DEFAULT ROW_COUNT());
ERROR HY000: Function or expression 'row_count()' cannot be used in the DEFAULT clause of `a`
CREATE TABLE t1 (a INT DEFAULT FOUND_ROWS());
ERROR HY000: Function or expression 'found_rows()' cannot be used in the DEFAULT clause of `a`
CREATE TABLE t1 (a INT DEFAULT MASTER_POS_WAIT('test',100));
ERROR HY000: Function or expression 'master_pos_wait()' cannot be used in the DEFAULT clause of `a`
CREATE TABLE t1 (a INT DEFAULT MASTER_GTID_WAIT('test'));
ERROR HY000: Function or expression 'master_gtid_wait()' cannot be used in the DEFAULT clause of `a`
CREATE TABLE t1 (a VARCHAR(30), b DOUBLE DEFAULT MATCH (a) AGAINST('bbbb' IN BOOLEAN MODE));
ERROR HY000: Function or expression 'match ... against()' cannot be used in the DEFAULT clause of `b`
#
# Temporal functions
#
# Item_temporal_hybrid_func
CREATE TABLE t1 (a DATE, b INT, c DATE DEFAULT DATE_ADD(a, INTERVAL b DAY));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` date DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` date DEFAULT (`a` + interval `b` day)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES ('2001-01-01', 30, DEFAULT);
SELECT * FROM t1;
a	b	c
2001-01-01	30	2001-01-31
DROP TABLE t1;
CREATE TABLE t1 (a DATE, b TIME, c DATETIME DEFAULT ADDTIME(a, b));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` date DEFAULT NULL,
  `b` time DEFAULT NULL,
  `c` datetime DEFAULT addtime(`a`,`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES ('2001-01-01', '10:20:30', DEFAULT);
SELECT * FROM t1;
a	b	c
2001-01-01	10:20:30	2001-01-01 10:20:30
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(32), b VARCHAR(32), c DATE DEFAULT STR_TO_DATE(a,b));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(32) DEFAULT NULL,
  `b` varchar(32) DEFAULT NULL,
  `c` date DEFAULT str_to_date(`a`,`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES ('01,5,2013','%d,%m,%Y', DEFAULT);
SELECT * FROM t1;
a	b	c
01,5,2013	%d,%m,%Y	2013-05-01
DROP TABLE t1;
# Item_datefunc
SET time_zone='-10:00';
SET timestamp=UNIX_TIMESTAMP('2001-01-01 23:59:59');
CREATE TABLE t1 (a DATE DEFAULT CURDATE(), b DATE DEFAULT UTC_DATE());
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` date DEFAULT curdate(),
  `b` date DEFAULT utc_date()
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES ();
SELECT * FROM t1;
a	b
2001-01-01	2001-01-02
DROP TABLE t1;
SET time_zone=DEFAULT, timestamp= DEFAULT;
CREATE TABLE t1 (a INT, b DATE DEFAULT FROM_DAYS(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` date DEFAULT from_days(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (730669, DEFAULT);
SELECT * FROM t1;
a	b
730669	2000-07-03
DROP TABLE t1;
CREATE TABLE t1 (a DATE, b DATE DEFAULT LAST_DAY(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` date DEFAULT NULL,
  `b` date DEFAULT last_day(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES ('2003-02-05', DEFAULT);
SELECT * FROM t1;
a	b
2003-02-05	2003-02-28
DROP TABLE t1;
CREATE TABLE t1 (yy INT, yd INT, d DATE DEFAULT MAKEDATE(yy, yd));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `yy` int(11) DEFAULT NULL,
  `yd` int(11) DEFAULT NULL,
  `d` date DEFAULT makedate(`yy`,`yd`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (2011,32,DEFAULT);
SELECT * FROM t1;
yy	yd	d
2011	32	2011-02-01
DROP TABLE t1;
# Item_timefunc
SET time_zone='-10:00';
SET timestamp=UNIX_TIMESTAMP('2001-01-01 23:59:59');
CREATE TABLE t1 (a TIME DEFAULT CURTIME(), b TIME DEFAULT UTC_TIME());
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` time DEFAULT curtime(),
  `b` time DEFAULT utc_time()
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES ();
SELECT * FROM t1;
a	b
23:59:59	09:59:59
DROP TABLE t1;
SET time_zone=DEFAULT, timestamp= DEFAULT;
CREATE TABLE t1 (a INT, b TIME DEFAULT SEC_TO_TIME(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` time DEFAULT sec_to_time(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (2378, DEFAULT);
SELECT * FROM t1;
a	b
2378	00:39:38
DROP TABLE t1;
CREATE TABLE t1 (a DATETIME, b DATETIME, c TIME DEFAULT TIMEDIFF(a,b));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` datetime DEFAULT NULL,
  `b` datetime DEFAULT NULL,
  `c` time DEFAULT timediff(`a`,`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES ('2000:01:01 00:00:00', '2000:01:02 10:20:30', DEFAULT);
SELECT * FROM t1;
a	b	c
2000-01-01 00:00:00	2000-01-02 10:20:30	-34:20:30
DROP TABLE t1;
CREATE TABLE t1 (hh INT, mm INT, ss INT, t TIME DEFAULT MAKETIME(hh,mm,ss));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `hh` int(11) DEFAULT NULL,
  `mm` int(11) DEFAULT NULL,
  `ss` int(11) DEFAULT NULL,
  `t` time DEFAULT maketime(`hh`,`mm`,`ss`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (10,20,30,DEFAULT);
SELECT * FROM t1;
hh	mm	ss	t
10	20	30	10:20:30
DROP TABLE t1;
# Item_datetimefunc
SET time_zone='-10:00';
SET timestamp=UNIX_TIMESTAMP('2001-01-01 23:59:59');
CREATE TABLE t1 (a TIMESTAMP DEFAULT NOW(), b TIMESTAMP DEFAULT UTC_TIMESTAMP());
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` timestamp NULL DEFAULT current_timestamp(),
  `b` timestamp NULL DEFAULT utc_timestamp()
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES ();
SELECT * FROM t1;
a	b
2001-01-01 23:59:59	2001-01-02 09:59:59
DROP TABLE t1;
SET time_zone=DEFAULT, timestamp= DEFAULT;
CREATE TABLE t1 (a TIMESTAMP(6) DEFAULT SYSDATE(6), s INT, b TIMESTAMP(6) DEFAULT SYSDATE(6));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` timestamp(6) NULL DEFAULT sysdate(6),
  `s` int(11) DEFAULT NULL,
  `b` timestamp(6) NULL DEFAULT sysdate(6)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (DEFAULT(a), SLEEP(0.1), DEFAULT(b));
SELECT b>a FROM t1;
b>a
1
DROP TABLE t1;
SET time_zone='+00:00';
CREATE TABLE t1 (a INT, b TIMESTAMP DEFAULT FROM_UNIXTIME(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` timestamp NULL DEFAULT from_unixtime(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (1447430881, DEFAULT);
SELECT * FROM t1;
a	b
1447430881	2015-11-13 16:08:01
DROP TABLE t1;
SET time_zone=DEFAULT;
CREATE TABLE t1 (a TIMESTAMP, b TIMESTAMP DEFAULT CONVERT_TZ(a, '-10:00', '+10:00'));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` timestamp NULL DEFAULT NULL,
  `b` timestamp NULL DEFAULT convert_tz(`a`,'-10:00','+10:00')
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES ('2001-01-01 10:20:30', DEFAULT);
SELECT * FROM t1;
a	b
2001-01-01 10:20:30	2001-01-02 06:20:30
DROP TABLE t1;
# Item_temporal_typecast
CREATE TABLE t1 (a INT, b DATE DEFAULT CAST(a AS DATE));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` date DEFAULT cast(`a` as date)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (20010203, DEFAULT);
SELECT * FROM t1;
a	b
20010203	2001-02-03
DROP TABLE t1;
CREATE TABLE t1 (a INT, b TIME DEFAULT CAST(a AS TIME));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` time DEFAULT cast(`a` as time)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (102030, DEFAULT);
SELECT * FROM t1;
a	b
102030	10:20:30
DROP TABLE t1;
CREATE TABLE t1 (a BIGINT, b DATETIME DEFAULT CAST(a AS DATETIME));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` bigint(20) DEFAULT NULL,
  `b` datetime DEFAULT cast(`a` as datetime)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (20010203102030, DEFAULT);
SELECT * FROM t1;
a	b
20010203102030	2001-02-03 10:20:30
DROP TABLE t1;
#
# Functions with temporal input
#
CREATE TABLE t1 (a INT, b INT, c INT DEFAULT PERIOD_ADD(a,b));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT period_add(`a`,`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a,b) VALUES (200801, 2);
SELECT * FROM t1;
a	b	c
200801	2	200803
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT, c INT DEFAULT PERIOD_DIFF(a,b));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT period_diff(`a`,`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a,b) VALUES (200802, 200703);
SELECT * FROM t1;
a	b	c
200802	200703	11
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT DEFAULT TO_DAYS(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT to_days(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES (950501);
SELECT * FROM t1;
a	b
950501	728779
DROP TABLE t1;
CREATE TABLE t1 (a DATE, b INT DEFAULT TO_DAYS(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` date DEFAULT NULL,
  `b` int(11) DEFAULT to_days(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('2007-10-07');
SELECT * FROM t1;
a	b
2007-10-07	733321
DROP TABLE t1;
CREATE TABLE t1 (a INT, b BIGINT DEFAULT TO_SECONDS(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` bigint(20) DEFAULT to_seconds(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES (950501);
SELECT * FROM t1;
a	b
950501	62966505600
DROP TABLE t1;
CREATE TABLE t1 (a DATE, b BIGINT DEFAULT TO_SECONDS(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` date DEFAULT NULL,
  `b` bigint(20) DEFAULT to_seconds(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('2009-11-29');
SELECT * FROM t1;
a	b
2009-11-29	63426672000
DROP TABLE t1;
CREATE TABLE t1 (a DATETIME, b BIGINT DEFAULT TO_SECONDS(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` datetime DEFAULT NULL,
  `b` bigint(20) DEFAULT to_seconds(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('2009-11-29 13:43:32');
SELECT * FROM t1;
a	b
2009-11-29 13:43:32	63426721412
DROP TABLE t1;
CREATE TABLE t1 (a DATE, b BIGINT DEFAULT DAYOFMONTH(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` date DEFAULT NULL,
  `b` bigint(20) DEFAULT dayofmonth(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('2007-02-03');
SELECT * FROM t1;
a	b
2007-02-03	3
DROP TABLE t1;
CREATE TABLE t1 (a DATE, b BIGINT DEFAULT DAYOFWEEK(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` date DEFAULT NULL,
  `b` bigint(20) DEFAULT dayofweek(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('2007-02-03');
SELECT * FROM t1;
a	b
2007-02-03	7
DROP TABLE t1;
CREATE TABLE t1 (a DATE, b BIGINT DEFAULT DAYOFYEAR(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` date DEFAULT NULL,
  `b` bigint(20) DEFAULT dayofyear(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('2007-02-03');
SELECT * FROM t1;
a	b
2007-02-03	34
DROP TABLE t1;
CREATE TABLE t1 (a TIME, b INT DEFAULT HOUR(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` time DEFAULT NULL,
  `b` int(11) DEFAULT hour(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('10:05:03');
SELECT * FROM t1;
a	b
10:05:03	10
DROP TABLE t1;
CREATE TABLE t1 (a TIME, b INT DEFAULT MINUTE(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` time DEFAULT NULL,
  `b` int(11) DEFAULT minute(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('10:05:03');
SELECT * FROM t1;
a	b
10:05:03	5
DROP TABLE t1;
CREATE TABLE t1 (a TIME, b INT DEFAULT SECOND(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` time DEFAULT NULL,
  `b` int(11) DEFAULT second(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('10:05:03');
SELECT * FROM t1;
a	b
10:05:03	3
DROP TABLE t1;
CREATE TABLE t1 (a DATETIME(6), b INT DEFAULT MICROSECOND(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` datetime(6) DEFAULT NULL,
  `b` int(11) DEFAULT microsecond(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('2009-12-31 23:59:59.000010');
SELECT * FROM t1;
a	b
2009-12-31 23:59:59.000010	10
DROP TABLE t1;
CREATE TABLE t1 (a DATE, b INT DEFAULT YEAR(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` date DEFAULT NULL,
  `b` int(11) DEFAULT year(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('1987-01-01');
SELECT * FROM t1;
a	b
1987-01-01	1987
DROP TABLE t1;
CREATE TABLE t1 (a DATE, b INT DEFAULT MONTH(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` date DEFAULT NULL,
  `b` int(11) DEFAULT month(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('1987-01-01');
SELECT * FROM t1;
a	b
1987-01-01	1
DROP TABLE t1;
CREATE TABLE t1 (a DATE, b INT DEFAULT WEEK(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` date DEFAULT NULL,
  `b` int(11) DEFAULT week(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('1987-02-01');
SELECT * FROM t1;
a	b
1987-02-01	5
DROP TABLE t1;
CREATE TABLE t1 (a DATE, b INT DEFAULT YEARWEEK(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` date DEFAULT NULL,
  `b` int(11) DEFAULT yearweek(`a`,0)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('2000-01-01');
SELECT * FROM t1;
a	b
2000-01-01	199952
DROP TABLE t1;
CREATE TABLE t1 (a DATE, b INT DEFAULT QUARTER(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` date DEFAULT NULL,
  `b` int(11) DEFAULT quarter(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('2008-04-01');
SELECT * FROM t1;
a	b
2008-04-01	2
DROP TABLE t1;
CREATE TABLE t1 (a DATE, b INT DEFAULT EXTRACT(YEAR FROM a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` date DEFAULT NULL,
  `b` int(11) DEFAULT extract(year from `a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('2009-07-02');
SELECT * FROM t1;
a	b
2009-07-02	2009
DROP TABLE t1;
CREATE TABLE t1 (a DATETIME, b INT DEFAULT EXTRACT(YEAR_MONTH FROM a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` datetime DEFAULT NULL,
  `b` int(11) DEFAULT extract(year_month from `a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('2009-07-02 01:02:03');
SELECT * FROM t1;
a	b
2009-07-02 01:02:03	200907
DROP TABLE t1;
CREATE TABLE t1 (a DATETIME, b INT DEFAULT EXTRACT(DAY_MINUTE FROM a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` datetime DEFAULT NULL,
  `b` int(11) DEFAULT extract(day_minute from `a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('2009-07-02 01:02:03');
SELECT * FROM t1;
a	b
2009-07-02 01:02:03	20102
DROP TABLE t1;
CREATE TABLE t1 (a DATETIME(6), b INT DEFAULT EXTRACT(MICROSECOND FROM a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` datetime(6) DEFAULT NULL,
  `b` int(11) DEFAULT extract(microsecond from `a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('2009-07-02 01:02:03.000123');
SELECT * FROM t1;
a	b
2009-07-02 01:02:03.000123	123
DROP TABLE t1;
CREATE TABLE t1 (a DATE, b DATE, c INT DEFAULT TIMESTAMPDIFF(MONTH,a,b));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` date DEFAULT NULL,
  `b` date DEFAULT NULL,
  `c` int(11) DEFAULT timestampdiff(MONTH,`a`,`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a,b) VALUES ('2003-02-01','2003-05-01');
SELECT * FROM t1;
a	b	c
2003-02-01	2003-05-01	3
DROP TABLE t1;
CREATE TABLE t1 (a DATE, b DATE, c INT DEFAULT TIMESTAMPDIFF(YEAR,a,b));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` date DEFAULT NULL,
  `b` date DEFAULT NULL,
  `c` int(11) DEFAULT timestampdiff(YEAR,`a`,`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a,b) VALUES ('2002-05-01','2001-01-01');
SELECT * FROM t1;
a	b	c
2002-05-01	2001-01-01	-1
DROP TABLE t1;
CREATE TABLE t1 (a DATE, b DATETIME, c INT DEFAULT TIMESTAMPDIFF(MINUTE,a,b));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` date DEFAULT NULL,
  `b` datetime DEFAULT NULL,
  `c` int(11) DEFAULT timestampdiff(MINUTE,`a`,`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a,b) VALUES ('2003-02-01','2003-05-01 12:05:55');
SELECT * FROM t1;
a	b	c
2003-02-01	2003-05-01 12:05:55	128885
DROP TABLE t1;
CREATE OR REPLACE TABLE t1 ( col INT DEFAULT ( 1 LIKE ( NOW() BETWEEN '2000-01-01' AND '2012-12-12' ) ) );
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `col` int(11) DEFAULT (1 like (current_timestamp() between '2000-01-01' and '2012-12-12'))
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SET timestamp = UNIX_TIMESTAMP( '2004-04-04' );
INSERT INTO t1 VALUES( DEFAULT );
SET timestamp = DEFAULT;
INSERT INTO t1 VALUES( DEFAULT );
SELECT * FROM t1;
col
1
0
DROP TABLE t1;
#
# Hybrid type functions
#
CREATE TABLE t1 (a INT, b INT, c INT DEFAULT COALESCE(a,b));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT coalesce(`a`,`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (NULL, 1, DEFAULT);
SELECT * FROM t1;
a	b	c
NULL	1	1
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT, c INT DEFAULT IFNULL(a,b));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT ifnull(`a`,`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (NULL, 2, DEFAULT);
INSERT INTO t1 VALUES (1, 2, DEFAULT);
SELECT * FROM t1;
a	b	c
NULL	2	2
1	2	1
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT, c INT DEFAULT NULLIF(a,b));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT nullif(`a`,`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (1, 1, DEFAULT);
INSERT INTO t1 VALUES (1, 2, DEFAULT);
SELECT * FROM t1;
a	b	c
1	1	NULL
1	2	1
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT, c INT DEFAULT IF(a,b,2));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT if(`a`,`b`,2)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (0, 1, DEFAULT);
INSERT INTO t1 VALUES (1, 1, DEFAULT);
SELECT * FROM t1;
a	b	c
0	1	2
1	1	1
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT, c INT DEFAULT CASE WHEN a THEN b ELSE 2 END);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT (case when `a` then `b` else 2 end)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (0, 1, DEFAULT);
INSERT INTO t1 VALUES (1, 1, DEFAULT);
SELECT * FROM t1;
a	b	c
0	1	2
1	1	1
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT DEFAULT (-a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT (-`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT (-`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (10, DEFAULT);
SELECT * FROM t1;
a	b
10	-10
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT DEFAULT ABS(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT abs(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (-10, DEFAULT);
SELECT * FROM t1;
a	b
-10	10
DROP TABLE t1;
CREATE TABLE t1 (a DOUBLE, b INT DEFAULT CEILING(a), c INT DEFAULT FLOOR(a), d INT DEFAULT ROUND(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` double DEFAULT NULL,
  `b` int(11) DEFAULT ceiling(`a`),
  `c` int(11) DEFAULT floor(`a`),
  `d` int(11) DEFAULT round(`a`,0)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (1.5, DEFAULT, DEFAULT, DEFAULT);
INSERT INTO t1 VALUES (-1.5, DEFAULT, DEFAULT, DEFAULT);
SELECT * FROM t1;
a	b	c	d
1.5	2	1	2
-1.5	-1	-2	-2
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT, c INT DEFAULT (a+b), d INT DEFAULT (a-b));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT (`a` + `b`),
  `d` int(11) DEFAULT (`a` - `b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (2, 1, DEFAULT, DEFAULT);
SELECT * FROM t1;
a	b	c	d
2	1	3	1
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT, c INT DEFAULT (a*b), d INT DEFAULT (a/b), e INT DEFAULT (a MOD b));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT (`a` * `b`),
  `d` int(11) DEFAULT (`a` / `b`),
  `e` int(11) DEFAULT (`a` MOD `b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT (`a` * `b`),
  `d` int(11) DEFAULT (`a` / `b`),
  `e` int(11) DEFAULT (`a` MOD `b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (7, 3, DEFAULT, DEFAULT, DEFAULT);
SELECT * FROM t1;
a	b	c	d	e
7	3	21	2	1
DROP TABLE t1;
SET time_zone='+00:00';
CREATE TABLE t1 (a DATETIME, b INT DEFAULT UNIX_TIMESTAMP(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` datetime DEFAULT NULL,
  `b` int(11) DEFAULT unix_timestamp(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES ('2001-01-01 10:20:30', DEFAULT);
SELECT * FROM t1;
a	b
2001-01-01 10:20:30	978344430
DROP TABLE t1;
SET time_zone=DEFAULT;
CREATE TABLE t1 (a TIME, b INT DEFAULT TIME_TO_SEC(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` time DEFAULT NULL,
  `b` int(11) DEFAULT time_to_sec(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES ('22:23:00', DEFAULT);
SELECT * FROM t1;
a	b
22:23:00	80580
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT, c INT DEFAULT LEAST(a,b), d INT DEFAULT GREATEST(a,b));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT least(`a`,`b`),
  `d` int(11) DEFAULT greatest(`a`,`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (0, 1, DEFAULT, DEFAULT);
INSERT INTO t1 VALUES (1, 1, DEFAULT, DEFAULT);
SELECT * FROM t1;
a	b	c	d
0	1	0	1
1	1	1	1
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT, c INT DEFAULT LAST_VALUE(a,b));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT last_value(`a`,`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (1, 2, DEFAULT);
SELECT * FROM t1;
a	b	c
1	2	2
DROP TABLE t1;
#
# CAST
#
CREATE TABLE t1 (a VARCHAR(30), b DECIMAL(10,6) DEFAULT CAST(a AS DECIMAL(10,1)));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(30) DEFAULT NULL,
  `b` decimal(10,6) DEFAULT (cast(`a` as decimal(10,1)))
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('123.456');
SELECT * FROM t1;
a	b
123.456	123.500000
DROP TABLE t1;
CREATE TABLE t1 (a DECIMAL(10,3),
b VARCHAR(10) DEFAULT CAST(a AS CHAR(10)),
c VARCHAR(10) DEFAULT CAST(a AS CHAR(4)));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` decimal(10,3) DEFAULT NULL,
  `b` varchar(10) DEFAULT (cast(`a` as char(10) charset latin1)),
  `c` varchar(10) DEFAULT (cast(`a` as char(4) charset latin1))
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT IGNORE INTO t1 (a) VALUES (123.456);
Warnings:
Warning	1292	Truncated incorrect CHAR(4) value: '123.456'
SELECT * FROM t1;
a	b	c
123.456	123.456	123.
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT UNSIGNED DEFAULT CAST(a AS UNSIGNED));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(10) unsigned DEFAULT (cast(`a` as unsigned))
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT IGNORE INTO t1 (a) VALUES (-1);
Warnings:
Note	1105	Cast to unsigned converted negative integer to it's positive complement
Warning	1264	Out of range value for column 'b' at row 1
SELECT * FROM t1;
a	b
-1	4294967295
DROP TABLE t1;
CREATE TABLE t1 (a BIGINT UNSIGNED, b BIGINT SIGNED DEFAULT CAST(a AS SIGNED));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` bigint(20) unsigned DEFAULT NULL,
  `b` bigint(20) DEFAULT (cast(`a` as signed))
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES (0xFFFFFFFFFFFFFFFF);
SELECT * FROM t1;
a	b
18446744073709551615	-1
DROP TABLE t1;
CREATE TABLE t1 (
a VARCHAR(10) CHARACTER SET latin1,
b VARCHAR(10) CHARACTER SET latin1 DEFAULT a COLLATE latin1_bin,
c VARCHAR(10) CHARACTER SET utf8 DEFAULT CONVERT(a USING utf8),
d VARBINARY(10) DEFAULT (BINARY(a))
);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) DEFAULT NULL,
  `b` varchar(10) CHARACTER SET latin1 COLLATE latin1_bin DEFAULT `a`,
  `c` varchar(10) CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci DEFAULT convert(`a` using utf8mb3),
  `d` varbinary(10) DEFAULT (cast(`a` as char charset binary))
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('a');
SELECT * FROM t1;
a	b	c	d
a	a	a	a
DROP TABLE t1;
#
# Bit functions
#
CREATE TABLE t1 (a INT, b INT DEFAULT BIT_COUNT(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT bit_count(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES (7);
SELECT * FROM t1;
a	b
7	3
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT, c INT DEFAULT (a|b));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT (`a` | `b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a,b) VALUES (1,2);
SELECT * FROM t1;
a	b	c
1	2	3
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT, c INT DEFAULT (a&b));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT (`a` & `b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a,b) VALUES (5,4);
SELECT * FROM t1;
a	b	c
5	4	4
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT, c INT DEFAULT (a^b));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT (`a` ^ `b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a,b) VALUES (11,3);
SELECT * FROM t1;
a	b	c
11	3	8
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT, c INT DEFAULT (a&~b));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT (`a` & ~`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a,b) VALUES (5,1);
SELECT * FROM t1;
a	b	c
5	1	4
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT, c INT DEFAULT (a<<b), d INT DEFAULT (a>>b));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT (`a` << `b`),
  `d` int(11) DEFAULT (`a` >> `b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a,b) VALUES (5,1);
SELECT * FROM t1;
a	b	c	d
5	1	10	2
DROP TABLE t1;
#
# String functions
#
CREATE TABLE t1 (a VARCHAR(10), b VARCHAR(20) DEFAULT REVERSE(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) DEFAULT NULL,
  `b` varchar(20) DEFAULT reverse(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('abcd');
SELECT * FROM t1;
a	b
abcd	dcba
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10), b VARCHAR(10) DEFAULT UPPER(a), c VARCHAR(10) DEFAULT LOWER(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) DEFAULT NULL,
  `b` varchar(10) DEFAULT ucase(`a`),
  `c` varchar(10) DEFAULT lcase(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('ABcd');
SELECT * FROM t1;
a	b	c
ABcd	ABCD	abcd
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10), b VARCHAR(10) DEFAULT LEFT(a,1), c VARCHAR(10) DEFAULT RIGHT(a,1), d VARCHAR(10) DEFAULT SUBSTR(a,2,2));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) DEFAULT NULL,
  `b` varchar(10) DEFAULT left(`a`,1),
  `c` varchar(10) DEFAULT right(`a`,1),
  `d` varchar(10) DEFAULT substr(`a`,2,2)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('abcd');
SELECT * FROM t1;
a	b	c	d
abcd	a	d	bc
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(20), b VARCHAR(20) DEFAULT SUBSTRING_INDEX(a,'.',2));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(20) DEFAULT NULL,
  `b` varchar(20) DEFAULT substring_index(`a`,'.',2)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('www.mariadb.org');
SELECT * FROM t1;
a	b
www.mariadb.org	www.mariadb
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10), b VARCHAR(10), c VARCHAR(20) DEFAULT CONCAT(a,b));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) DEFAULT NULL,
  `b` varchar(10) DEFAULT NULL,
  `c` varchar(20) DEFAULT concat(`a`,`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a,b) VALUES ('a','b');
SELECT * FROM t1;
a	b	c
a	b	ab
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10), b VARCHAR(10), c VARCHAR(20) DEFAULT CONCAT_WS(',',a,b));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) DEFAULT NULL,
  `b` varchar(10) DEFAULT NULL,
  `c` varchar(20) DEFAULT concat_ws(',',`a`,`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a,b) VALUES ('a','b');
SELECT * FROM t1;
a	b	c
a	b	a,b
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10), b VARCHAR(10) DEFAULT REPLACE(a,'a','A'));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) DEFAULT NULL,
  `b` varchar(10) DEFAULT replace(`a`,'a','A')
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('abc');
SELECT * FROM t1;
a	b
abc	Abc
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10), b VARCHAR(10) DEFAULT REGEXP_REPLACE(a,'[0-9]','.'));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) DEFAULT NULL,
  `b` varchar(10) DEFAULT regexp_replace(`a`,'[0-9]','.')
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('a1b2c');
SELECT * FROM t1;
a	b
a1b2c	a.b.c
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10), b VARCHAR(10) DEFAULT REGEXP_SUBSTR(a,'[0-9]+'));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) DEFAULT NULL,
  `b` varchar(10) DEFAULT regexp_substr(`a`,'[0-9]+')
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('ab12cd');
SELECT * FROM t1;
a	b
ab12cd	12
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(20), b VARCHAR(20) DEFAULT SOUNDEX(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(20) DEFAULT NULL,
  `b` varchar(20) DEFAULT soundex(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('tester');
SELECT * FROM t1;
a	b
tester	T236
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(20), b VARCHAR(20) DEFAULT QUOTE(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(20) DEFAULT NULL,
  `b` varchar(20) DEFAULT quote(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('a\'b');
SELECT * FROM t1;
a	b
a'b	'a\'b'
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10), b VARCHAR(10) DEFAULT LPAD(a,10,'.'), c VARCHAR(10) DEFAULT RPAD(a,10,'.'));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) DEFAULT NULL,
  `b` varchar(10) DEFAULT lpad(`a`,10,'.'),
  `c` varchar(10) DEFAULT rpad(`a`,10,'.')
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('ab');
SELECT * FROM t1;
a	b	c
ab	........ab	ab........
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10), b VARCHAR(10) DEFAULT LTRIM(a), c VARCHAR(10) DEFAULT RTRIM(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) DEFAULT NULL,
  `b` varchar(10) DEFAULT ltrim(`a`),
  `c` varchar(10) DEFAULT rtrim(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES (' ab ');
SELECT a, HEX(b), HEX(c) FROM t1;
a	HEX(b)	HEX(c)
 ab 	616220	206162
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10), b VARCHAR(10) DEFAULT TRIM(BOTH 'a' FROM a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) DEFAULT NULL,
  `b` varchar(10) DEFAULT trim(both 'a' from `a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('abba');
SELECT a, b FROM t1;
a	b
abba	bb
DROP TABLE t1;
CREATE TABLE t1 (a INT, b VARCHAR(10) DEFAULT SPACE(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` varchar(10) DEFAULT space(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES (3);
SELECT a, HEX(b) FROM t1;
a	HEX(b)
3	202020
DROP TABLE t1;
CREATE TABLE t1 (a INT, b VARCHAR(10), c VARCHAR(10) DEFAULT REPEAT(b,a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` varchar(10) DEFAULT NULL,
  `c` varchar(10) DEFAULT repeat(`b`,`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a,b) VALUES (3,'x');
SELECT a, b, c FROM t1;
a	b	c
3	x	xxx
DROP TABLE t1;
CREATE TABLE t1 (str VARCHAR(10), pos INT, len INT, newstr VARCHAR(10), result VARCHAR(10) DEFAULT INSERT(str,pos,len,newstr));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `str` varchar(10) DEFAULT NULL,
  `pos` int(11) DEFAULT NULL,
  `len` int(11) DEFAULT NULL,
  `newstr` varchar(10) DEFAULT NULL,
  `result` varchar(10) DEFAULT insert(`str`,`pos`,`len`,`newstr`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (str,pos,len,newstr) VALUES ('Quadratic', 3, 4, 'What');
SELECT * FROM t1;
str	pos	len	newstr	result
Quadratic	3	4	What	QuWhattic
DROP TABLE t1;
CREATE TABLE t1 (n INT, res VARCHAR(10) DEFAULT ELT(n,'ej', 'Heja', 'hej', 'foo'));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `n` int(11) DEFAULT NULL,
  `res` varchar(10) DEFAULT elt(`n`,'ej','Heja','hej','foo')
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (n) VALUES (1);
SELECT * FROM t1;
n	res
1	ej
DROP TABLE t1;
CREATE TABLE t1 (bits INT, res VARCHAR(10) DEFAULT MAKE_SET(bits,'a','b','c','d'));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `bits` int(11) DEFAULT NULL,
  `res` varchar(10) DEFAULT make_set(`bits`,'a','b','c','d')
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (bits) VALUES (1|4);
SELECT * FROM t1;
bits	res
5	a,c
DROP TABLE t1;
CREATE TABLE t1 (a INT, b VARCHAR(10) DEFAULT CHAR(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` varchar(10) DEFAULT char(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES (77);
SELECT * FROM t1;
a	b
77	M
DROP TABLE t1;
CREATE TABLE t1 (a INT, b VARCHAR(10) DEFAULT CONV(a,10,16));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` varchar(10) DEFAULT conv(`a`,10,16)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES (64);
SELECT * FROM t1;
a	b
64	40
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT, c VARCHAR(30) DEFAULT FORMAT(a,b));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` varchar(30) DEFAULT format(`a`,`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a,b) VALUES (10000,3);
SELECT * FROM t1;
a	b	c
10000	3	10,000.000
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT, l VARCHAR(10), c VARCHAR(30) DEFAULT FORMAT(a,b,l));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `l` varchar(10) DEFAULT NULL,
  `c` varchar(30) DEFAULT format(`a`,`b`,`l`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a,b,l) VALUES (10000,2,'no_NO'),(10000,2,'ru_RU'),(10000,2,'ar_BH');
SELECT * FROM t1;
a	b	l	c
10000	2	no_NO	10.000,00
10000	2	ru_RU	10 000,00
10000	2	ar_BH	10,000.00
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10), b VARCHAR(20) DEFAULT GET_FORMAT(DATE,a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) DEFAULT NULL,
  `b` varchar(20) DEFAULT get_format(DATE, `a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('EUR'),('USA'),('JIS'),('ISO'),('INTERNAL');
SELECT * FROM t1;
a	b
EUR	%d.%m.%Y
USA	%m.%d.%Y
JIS	%Y-%m-%d
ISO	%Y-%m-%d
INTERNAL	%Y%m%d
DROP TABLE t1;
CREATE TABLE t1 (
bits INT,
v_on VARCHAR(10),
v_off VARCHAR(10),
v_separator VARCHAR(10),
number_of_bits INT,
x VARCHAR(30) DEFAULT EXPORT_SET(bits, v_on, v_off, v_separator, number_of_bits)
);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `bits` int(11) DEFAULT NULL,
  `v_on` varchar(10) DEFAULT NULL,
  `v_off` varchar(10) DEFAULT NULL,
  `v_separator` varchar(10) DEFAULT NULL,
  `number_of_bits` int(11) DEFAULT NULL,
  `x` varchar(30) DEFAULT export_set(`bits`,`v_on`,`v_off`,`v_separator`,`number_of_bits`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT IGNORE INTO t1 VALUES (0x50006,'Y','N','',64,DEFAULT);
Warnings:
Warning	1265	Data truncated for column 'x' at row 1
SELECT * FROM t1;
bits	v_on	v_off	v_separator	number_of_bits	x
327686	Y	N		64	NYYNNNNNNNNNNNNNYNYNNNNNNNNNNN
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(30), b BLOB DEFAULT LOAD_FILE(a));
ERROR HY000: Function or expression 'load_file()' cannot be used in the DEFAULT clause of `b`
#
# Predicates
#
CREATE TABLE t1 (a INT, b INT DEFAULT (NOT a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT (`a` = 0)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES (NULL),(0),(1);
SELECT * FROM t1;
a	b
NULL	NULL
0	1
1	0
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT, x INT DEFAULT (a XOR b));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `x` int(11) DEFAULT (`a` xor `b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a,b) VALUES (0,0),(0,1),(1,0),(1,1);
SELECT * FROM t1;
a	b	x
0	0	0
0	1	1
1	0	1
1	1	0
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT DEFAULT (a IS TRUE), c INT DEFAULT (a IS NOT TRUE));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT (`a` is true),
  `c` int(11) DEFAULT (`a` is not true)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES (NULL),(0),(1);
SELECT * FROM t1;
a	b	c
NULL	0	1
0	0	1
1	1	0
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT DEFAULT (a IS FALSE), c INT DEFAULT (a IS NOT FALSE));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT (`a` is false),
  `c` int(11) DEFAULT (`a` is not false)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES (NULL),(0),(1);
SELECT * FROM t1;
a	b	c
NULL	0	1
0	1	0
1	0	1
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT DEFAULT (a IS NULL), c INT DEFAULT (a IS NOT NULL));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT (`a` is null),
  `c` int(11) DEFAULT (`a` is not null)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES (NULL),(0),(1);
SELECT * FROM t1;
a	b	c
NULL	1	0
0	0	1
1	0	1
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT DEFAULT (a IS UNKNOWN), c INT DEFAULT (a IS NOT UNKNOWN));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT (`a` is null),
  `c` int(11) DEFAULT (`a` is not null)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES (NULL),(0),(1);
SELECT * FROM t1;
a	b	c
NULL	1	0
0	0	1
1	0	1
DROP TABLE t1;
CREATE TABLE t1 (a INT,
eq INT DEFAULT (a=0), equal INT DEFAULT (a<=>0),
ne INT DEFAULT (a<>0),
lt INT DEFAULT (a<0), le INT DEFAULT (a<=0),
gt INT DEFAULT (a>0), ge INT DEFAULT (a>=0));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `eq` int(11) DEFAULT (`a` = 0),
  `equal` int(11) DEFAULT (`a` <=> 0),
  `ne` int(11) DEFAULT (`a` <> 0),
  `lt` int(11) DEFAULT (`a` < 0),
  `le` int(11) DEFAULT (`a` <= 0),
  `gt` int(11) DEFAULT (`a` > 0),
  `ge` int(11) DEFAULT (`a` >= 0)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES (NULL),(-1),(0),(1);
SELECT * FROM t1;
a	eq	equal	ne	lt	le	gt	ge
NULL	NULL	0	NULL	NULL	NULL	NULL	NULL
-1	0	0	1	1	1	0	0
0	1	1	0	0	1	0	1
1	0	0	1	0	0	1	1
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10), b INT DEFAULT (a LIKE 'a%'));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) DEFAULT NULL,
  `b` int(11) DEFAULT (`a` like 'a%')
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('AAA'),('aaa'),('bbb');
SELECT * FROM t1;
a	b
AAA	1
aaa	1
bbb	0
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10), b INT DEFAULT (a RLIKE 'a$'));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) DEFAULT NULL,
  `b` int(11) DEFAULT (`a` regexp 'a$')
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('AAA'),('aaa'),('bbb');
SELECT * FROM t1;
a	b
AAA	1
aaa	1
bbb	0
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10), b INT DEFAULT (a IN ('aaa','bbb')));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) DEFAULT NULL,
  `b` int(11) DEFAULT (`a` in ('aaa','bbb'))
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('AAA'),('aaa'),('bbb'),('ccc');
SELECT * FROM t1;
a	b
AAA	1
aaa	1
bbb	1
ccc	0
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10), b INT DEFAULT (a NOT IN ('aaa','bbb')));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) DEFAULT NULL,
  `b` int(11) DEFAULT (`a` not in ('aaa','bbb'))
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('AAA'),('aaa'),('bbb'),('ccc');
SELECT * FROM t1;
a	b
AAA	0
aaa	0
bbb	0
ccc	1
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10), b INT DEFAULT (a BETWEEN 'aaa' AND 'bbb'));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) DEFAULT NULL,
  `b` int(11) DEFAULT (`a` between 'aaa' and 'bbb')
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('AAA'),('aaa'),('bbb'),('ccc');
SELECT * FROM t1;
a	b
AAA	1
aaa	1
bbb	1
ccc	0
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10), b INT DEFAULT (a NOT BETWEEN 'aaa' AND 'bbb'));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) DEFAULT NULL,
  `b` int(11) DEFAULT (`a` not between 'aaa' and 'bbb')
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('AAA'),('aaa'),('bbb'),('ccc');
SELECT * FROM t1;
a	b
AAA	0
aaa	0
bbb	0
ccc	1
DROP TABLE t1;
CREATE TABLE t1 (a TEXT DEFAULT UUID());
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` text DEFAULT uuid()
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES ();
SELECT LENGTH(a)>0 FROM t1;
LENGTH(a)>0
1
DROP TABLE t1;
#
# Numeric result functions with string input
#
CREATE TABLE t1 (a VARCHAR(10), b INT DEFAULT STRCMP(a,'b'));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) DEFAULT NULL,
  `b` int(11) DEFAULT strcmp(`a`,'b')
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('A'),('a'),('B'),('b'),('C'),('c');
SELECT * FROM t1;
a	b
A	-1
a	-1
B	0
b	0
C	1
c	1
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10), b INT DEFAULT LENGTH(a), c INT DEFAULT CHAR_LENGTH(a), d INT DEFAULT BIT_LENGTH(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) DEFAULT NULL,
  `b` int(11) DEFAULT octet_length(`a`),
  `c` int(11) DEFAULT char_length(`a`),
  `d` int(11) DEFAULT bit_length(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('a'),('aa'),('aaa');
SELECT * FROM t1;
a	b	c	d
a	1	1	8
aa	2	2	16
aaa	3	3	24
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10), b INT DEFAULT LOCATE('a',a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) DEFAULT NULL,
  `b` int(11) DEFAULT locate('a',`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('xa'),('xxa'),('xxxa');
SELECT * FROM t1;
a	b
xa	2
xxa	3
xxxa	4
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10), b INT DEFAULT REGEXP_INSTR(a, 'a'));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) DEFAULT NULL,
  `b` int(11) DEFAULT regexp_instr(`a`,'a')
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('xa'),('xxa'),('xxxa');
SELECT * FROM t1;
a	b
xa	2
xxa	3
xxxa	4
DROP TABLE t1;
#
# INT result metadata functions
#
CREATE TABLE t1
(
id SERIAL PRIMARY KEY,
b INT DEFAULT LAST_INSERT_ID()
);
ERROR HY000: Function or expression 'last_insert_id()' cannot be used in the DEFAULT clause of `b`
CREATE TABLE t1 (a INT DEFAULT CONNECTION_ID());
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT connection_id()
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES();
SELECT a>0 FROM t1;
a>0
1
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10), b INT DEFAULT COERCIBILITY(a), c INT DEFAULT COERCIBILITY(b));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) DEFAULT NULL,
  `b` int(11) DEFAULT coercibility(`a`),
  `c` int(11) DEFAULT coercibility(`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('test');
SELECT * FROM t1;
a	b	c
test	2	5
DROP TABLE t1;
#
# String result metadata functions
#
CREATE TABLE t1 (
a VARCHAR(10) CHARACTER SET latin1,
b VARCHAR(20) DEFAULT CHARSET(a),
c VARCHAR(20) DEFAULT COLLATION(a)
);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) DEFAULT NULL,
  `b` varchar(20) DEFAULT charset(`a`),
  `c` varchar(20) DEFAULT collation(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('test');
SELECT * FROM t1;
a	b	c
test	latin1	latin1_swedish_ci
DROP TABLE t1;
#
# Hash, compression, encode/decode
#
CREATE TABLE t1 (a VARCHAR(10), b BIGINT DEFAULT CRC32(a), c TEXT DEFAULT MD5(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) DEFAULT NULL,
  `b` bigint(20) DEFAULT crc32(`a`),
  `c` text DEFAULT md5(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('a');
SELECT * FROM t1;
a	b	c
a	3904355907	0cc175b9c0f1b6a831c399e269772661
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10), b TEXT DEFAULT TO_BASE64(a), c TEXT DEFAULT FROM_BASE64(b));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) DEFAULT NULL,
  `b` text DEFAULT to_base64(`a`),
  `c` text DEFAULT from_base64(`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('aaaabbbb');
SELECT * FROM t1;
a	b	c
aaaabbbb	YWFhYWJiYmI=	aaaabbbb
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10), b TEXT DEFAULT HEX(a), c TEXT DEFAULT UNHEX(b));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) DEFAULT NULL,
  `b` text DEFAULT hex(`a`),
  `c` text DEFAULT unhex(`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('aaaabbbb');
SELECT * FROM t1;
a	b	c
aaaabbbb	6161616162626262	aaaabbbb
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10), b TEXT DEFAULT ENCODE(a,'test'), c TEXT DEFAULT DECODE(b,'test'));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) DEFAULT NULL,
  `b` text DEFAULT encode(`a`,'test'),
  `c` text DEFAULT decode(`b`,'test')
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('aaaabbbb');
SELECT a, HEX(b), c FROM t1;
a	HEX(b)	c
aaaabbbb	059AEEE33E4AF848	aaaabbbb
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(30), b TEXT DEFAULT PASSWORD(a));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(30) DEFAULT NULL,
  `b` text DEFAULT password(`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('notagoodpwd');
SELECT * FROM t1;
a	b
notagoodpwd	*3A70EE9FC6594F88CE9E959CD51C5A1C002DC937
DROP TABLE t1;
CREATE TABLE t1 (
a VARCHAR(30),
b BLOB DEFAULT AES_ENCRYPT(a, 'passwd'),
c TEXT DEFAULT AES_DECRYPT(b, 'passwd')
);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(30) DEFAULT NULL,
  `b` blob DEFAULT aes_encrypt(`a`,'passwd'),
  `c` text DEFAULT aes_decrypt(`b`,'passwd')
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 (a) VALUES ('test');
SELECT c FROM t1;
c
test
DROP TABLE t1;
#
# Collations
#
CREATE TABLE t1 (a VARCHAR(20) CHARACTER SET latin1 DEFAULT CONCAT('ö')) CHARACTER SET koi8r COLLATE koi8r_bin;
ERROR 22007: Encountered illegal value 'ö' when converting to koi8r
CREATE OR REPLACE TABLE t1 (a char(2) default concat('A') COLLATE utf8mb4_unicode_ci);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` char(2) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci DEFAULT concat('A')
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
create table t1 (a int default 1, b int default (rand()*0+2), c int);
insert t1 (c) values (a);
insert t1 (c) values (b);
select * from t1;
a	b	c
1	2	1
1	2	NULL
drop table t1;
create table t1 (a int default 1, b int default (1+1), c int);
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT 1,
  `b` int(11) DEFAULT (1 + 1),
  `c` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
alter table t1 alter a set default (2+3), alter b set default 4,
alter c set default (-a);
alter table t1 alter a set default 1+2;
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 '+2' at line 1
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT (2 + 3),
  `b` int(11) DEFAULT 4,
  `c` int(11) DEFAULT (-`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
drop table t1;
create table t1 (a int default 5 check (a>10), b int default (5+5), c int as (a+b));
create table t2 as select a, b, c from t1;
create table t3 as select max(a), max(b), max(c) from t1;
show create table t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) DEFAULT 5,
  `b` int(11) DEFAULT (5 + 5),
  `c` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
show create table t3;
Table	Create Table
t3	CREATE TABLE `t3` (
  `max(a)` int(11) DEFAULT NULL,
  `max(b)` int(11) DEFAULT NULL,
  `max(c)` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
drop table t1, t2, t3;
#
# MDEV-11359: Implement IGNORE for bulk operation
#
create table t1 (a int primary key default 0, b int default 3);
insert into t1 values (1, ignore);
insert into t1 values (2, ignore);
replace into t1 values (2, ignore);
replace into t1 values (3, ignore);
replace into t1 values (4, 6);
replace into t1 values (5, 7);
update t1 set a=6,b=ignore where a=5;
insert into t1 values (ignore, ignore);
insert into t1 values (ignore, ignore);
ERROR 23000: Duplicate entry '0' for key 'PRIMARY'
select * from t1 order by a;
a	b
0	3
1	3
2	3
3	3
4	6
6	7
delete from t1 where a < 4;
# actually insert default instead of ignoring
# (but REPLACE is non standard operator)
replace into t1 values (4, ignore);
select * from t1 order by a;
a	b
4	3
6	7
drop table t1;
create table t1 (a int default 100, b int, c varchar(60) default 'x');
load data infile '../../std_data/rpl_loaddata.dat' into table t1 (a, @b) set b=@b+10, c=ignore;
select * from t1;
a	b	c
NULL	20	x
NULL	25	x
drop table t1;
CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY AUTO_INCREMENT);
CREATE TABLE t2 (a INT);
INSERT INTO t2 VALUES (1),(2),(3),(2);
INSERT INTO t1 SELECT a FROM t2 ON DUPLICATE KEY UPDATE a=DEFAULT;
SELECT * FROM t1 order by a;
a
0
1
3
truncate table t1;
INSERT INTO t1 SELECT a FROM t2 ON DUPLICATE KEY UPDATE a=IGNORE;
SELECT * FROM t1 order by a;
a
0
1
3
DROP TABLE t1,t2;
create table t1 (a int primary key default 0, b int default 3);
prepare insstmt from "insert into t1 values (?, ?)";
prepare repstmt from "replace into t1 values (?, ?)";
prepare updstmt from "update t1 set a=6,b=? where a=5";
execute insstmt using 1, ignore;
execute insstmt using 2, ignore;
execute repstmt using 2, ignore;
execute repstmt using 3, ignore;
execute repstmt using 4, 6;
execute repstmt using 5, 7;
execute updstmt using ignore;
execute insstmt using ignore, ignore;
execute insstmt using ignore, ignore;
ERROR 23000: Duplicate entry '0' for key 'PRIMARY'
select * from t1 order by a;
a	b
0	3
1	3
2	3
3	3
4	6
6	7
delete from t1 where a < 4;
execute repstmt using 4, ignore;
select * from t1 order by a;
a	b
4	3
6	7
drop table t1;
#
# DEVAULT & PS adoption
#
CREATE TABLE t1 (a INT DEFAULT 10, b INT DEFAULT NULL);
EXECUTE IMMEDIATE 'INSERT INTO t1 VALUES (?,?)' USING IGNORE, IGNORE;
SELECT * FROM t1;
a	b
10	NULL
UPDATE t1 SET a=20, b=30;
SELECT * FROM t1;
a	b
20	30
EXECUTE IMMEDIATE 'UPDATE t1 SET a=?,b=?' USING IGNORE, IGNORE;
SELECT * FROM t1;
a	b
20	30
DROP TABLE t1;
CREATE TABLE t1 (a INT DEFAULT 10);
EXECUTE IMMEDIATE 'INSERT INTO t1 VALUES (?+1)' USING IGNORE;
ERROR HY000: Default/ignore value is not supported for such parameter usage
EXECUTE IMMEDIATE 'INSERT INTO t1 VALUES (CONCAT(?,?))' USING IGNORE, 'test';
ERROR HY000: Default/ignore value is not supported for such parameter usage
DROP TABLE t1;
CREATE TABLE t1 (a INT DEFAULT 10);
INSERT INTO t1 VALUES (20);
EXECUTE IMMEDIATE 'UPDATE t1 SET a=?+1' USING IGNORE;
ERROR HY000: Default/ignore value is not supported for such parameter usage
EXECUTE IMMEDIATE 'UPDATE t1 SET a=CONCAT(?,?)' USING IGNORE, 'test';
ERROR HY000: Default/ignore value is not supported for such parameter usage
DROP TABLE t1;
EXECUTE IMMEDIATE 'SELECT CAST(? AS SIGNED)' USING IGNORE;
ERROR HY000: Default/ignore value is not supported for such parameter usage
EXECUTE IMMEDIATE 'SELECT CAST(? AS DOUBLE)' USING IGNORE;
ERROR HY000: Default/ignore value is not supported for such parameter usage
EXECUTE IMMEDIATE 'SELECT CAST(? AS CHAR)' USING IGNORE;
ERROR HY000: Default/ignore value is not supported for such parameter usage
EXECUTE IMMEDIATE 'SELECT CAST(? AS DECIMAL(10,1))' USING IGNORE;
ERROR HY000: Default/ignore value is not supported for such parameter usage
EXECUTE IMMEDIATE 'SELECT CAST(? AS TIME)' USING IGNORE;
ERROR HY000: Default/ignore value is not supported for such parameter usage
EXECUTE IMMEDIATE 'SELECT CAST(? AS DATE)' USING IGNORE;
ERROR HY000: Default/ignore value is not supported for such parameter usage
EXECUTE IMMEDIATE 'SELECT CAST(? AS DATETIME)' USING IGNORE;
ERROR HY000: Default/ignore value is not supported for such parameter usage
EXECUTE IMMEDIATE 'SELECT ?+1' USING IGNORE;
ERROR HY000: Default/ignore value is not supported for such parameter usage
EXECUTE IMMEDIATE 'SELECT CONCAT(?,?)' USING IGNORE,'test';
ERROR HY000: Default/ignore value is not supported for such parameter usage
EXECUTE IMMEDIATE 'SELECT 1 LIMIT ?' USING IGNORE;
ERROR HY000: Default/ignore value is not supported for such parameter usage
CREATE TABLE t1 (a INT DEFAULT 10);
INSERT INTO t1 VALUES (1),(2),(3);
EXECUTE IMMEDIATE 'SELECT * FROM t1 LIMIT ?' USING IGNORE;
ERROR HY000: Default/ignore value is not supported for such parameter usage
DROP TABLE t1;
# The output of this query in 'Note' is a syntactically incorrect query.
# But as it's never logged, it's ok. It should be human readable only.
EXECUTE IMMEDIATE 'EXPLAIN EXTENDED SELECT ?' USING IGNORE;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
Warnings:
Note	1003	select ignore AS `?`
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (1),(2),(3);
EXECUTE IMMEDIATE 'EXPLAIN EXTENDED SELECT * FROM t1 WHERE ?+a<=>?+a' USING DEFAULT,DEFAULT;
ERROR HY000: Default/ignore value is not supported for such parameter usage
DROP TABLE t1;
#
# MDEV-11134 Assertion `fixed' failed in Item::const_charset_converter(THD*, CHARSET_INFO*, bool, const char*)
#
SET NAMES utf8;
PREPARE stmt FROM "CREATE OR REPLACE TABLE t1 (c CHAR(8) DEFAULT ?)";
SET @a='';
EXECUTE stmt USING @a;
EXECUTE stmt USING @a;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c` char(8) DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
SET @a='A';
EXECUTE stmt USING @a;
EXECUTE stmt USING @a;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c` char(8) DEFAULT 'A'
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
SET @a=_utf8 0xC380;
EXECUTE stmt USING @a;
EXECUTE stmt USING @a;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c` char(8) DEFAULT 'Ã€'
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
SET @a=_utf8 0xD18F;
EXECUTE stmt USING @a;
ERROR 42000: Invalid default value for 'c'
EXECUTE stmt USING @a;
ERROR 42000: Invalid default value for 'c'
DEALLOCATE PREPARE stmt;
set sql_mode=ansi_quotes;
create table t1 (a int, b int default (a+1));
show create table t1;
Table	Create Table
t1	CREATE TABLE "t1" (
  "a" int(11) DEFAULT NULL,
  "b" int(11) DEFAULT ("a" + 1)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
insert t1 (a) values (10);
set sql_mode='';
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT (`a` + 1)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
insert t1 (a) values (20);
flush tables;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT (`a` + 1)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
insert t1 (a) values (30);
select * from t1;
a	b
10	11
20	21
30	31
drop table t1;
set sql_mode=default;
#
# MDEV-10201 Bad results for CREATE TABLE t1 (a INT DEFAULT b, b INT DEFAULT 4)
#
create table t1 (a int default b, b int default 4, t text);
insert t1 (b, t) values (5, '1 column is omitted');
insert t1 values (default, 5, '2 column gets DEFAULT, keyword');
insert t1 values (default(a), 5, '3 column gets DEFAULT(a), expression');
insert t1 values (default(a)+0, 5, '4 also expression DEFAULT(0)+0');
insert t1 values (b, 5, '5 the value of the DEFAULT(a), that is b');
insert t1 (t,b,a) values ('6 reversed, column gets DEFAULT, keyword', 5, default);
insert t1 (t,b,a) values ('7 reversed, column gets DEFAULT(a), expression', 5, default(a));
insert t1 (t,b,a) values ('8 reversed, also expression DEFAULT(0)+0', 5, default(a)+0);
insert t1 (t,b,a) values ('9 reversed, the value of the DEFAULT(a), that is b', 5, b);
select * from t1 order by t;
a	b	t
5	5	1 column is omitted
4	5	2 column gets DEFAULT, keyword
4	5	3 column gets DEFAULT(a), expression
4	5	4 also expression DEFAULT(0)+0
4	5	5 the value of the DEFAULT(a), that is b
5	5	6 reversed, column gets DEFAULT, keyword
5	5	7 reversed, column gets DEFAULT(a), expression
5	5	8 reversed, also expression DEFAULT(0)+0
5	5	9 reversed, the value of the DEFAULT(a), that is b
drop table t1;
#
# MDEV-10352 Server crashes in Field::set_default on CREATE TABLE
#
create table t1 (col1 int default(-(default(col1))));
ERROR 01000: Expression for field `col1` is referring to uninitialized field `col1`
#
# MDEV-10354 Assertion `! is_set()' failed in Diagnostics_area::set_ok_status on CREATE TABLE with invalid default
#
create table t1 (col int default (yearweek((exp(710)))));
ERROR 22003: DOUBLE value is out of range in 'exp(710)'
#
# MDEV-13707 Server in ORACLE mode crashes on ALTER with wrong DEFAULT clause
#
CREATE OR REPLACE TABLE t1(i int);
ALTER TABLE t1 ADD b CHAR(255) DEFAULT `aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa`;
ERROR 42S22: Unknown column 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa' in 'DEFAULT'
DROP TABLE t1;
#
# MDEV-18278 Misleading error message in error log upon failed table creation
#
create table t1 (a int as (a));
ERROR 01000: Expression for field `a` is referring to uninitialized field `a`
show warnings;
Level	Code	Message
Error	4029	Expression for field `a` is referring to uninitialized field `a`
#
# MDEV-26423: MariaDB server crash in Create_tmp_table::finalize
#
CREATE TABLE t1 (pk varchar(36) DEFAULT uuid());
INSERT INTO t1 VALUES (),();
SELECT 1 FROM t1 GROUP BY DEFAULT(pk);
1
1
1
DROP TABLE t1;
#
# MDEV-28402: ASAN heap-use-after-free in create_tmp_table,
# Assertion `l_offset >= 0 && table->s->rec_buff_length - l_offset > 0'
#
CREATE TABLE t (a INT, KEY (a));
INSERT INTO t VALUES (1),(2);
SELECT DISTINCT DEFAULT(a), CASE a WHEN 0 THEN 1 ELSE 2 END FROM t GROUP BY a WITH ROLLUP;
DEFAULT(a)	CASE a WHEN 0 THEN 1 ELSE 2 END
NULL	2
DROP TABLE t;
CREATE TABLE t (a INT, KEY (a));
INSERT INTO t VALUES (1),(2);
CREATE ALGORITHM=TEMPTABLE VIEW v AS SELECT * FROM t;
SELECT DISTINCT DEFAULT(a), CASE a WHEN 0 THEN 1 ELSE 2 END FROM v GROUP BY a WITH ROLLUP;
DEFAULT(a)	CASE a WHEN 0 THEN 1 ELSE 2 END
NULL	2
DROP TABLE t;
DROP VIEW v;
# End of 10.2 test
#
# MDEV-22703 DEFAULT() on a BLOB column can overwrite the default
# record, which can cause crashes when accessing already released
# memory.
#
CREATE TEMPORARY TABLE t1 (h POINT DEFAULT ST_GEOMFROMTEXT('Point(1 1)')) ENGINE=InnoDB;
INSERT INTO t1 () VALUES (),();
ALTER TABLE t1 FORCE;
SELECT DEFAULT(h) FROM t1;
SELECT length(DEFAULT(h)) FROM t1;
length(DEFAULT(h))
25
25
INSERT INTO t1 () VALUES ();
drop table t1;
# End of 10.3 test
#
# MDEV-26423: MariaDB server crash in Create_tmp_table::finalize
#
CREATE TABLE t1 (pk text DEFAULT length(uuid()));
INSERT INTO t1 VALUES (),();
SELECT 1 FROM t1 GROUP BY DEFAULT(pk);
1
1
DROP TABLE t1;
#
# MDEV-29890 Update with inner join false row count result
#
create table t1 (a int not null);
select column_name, column_default, column_default is not null as 'has_default', is_nullable from information_schema.columns where table_schema='test' and table_name='t1';
column_name	column_default	has_default	is_nullable
a	NULL	0	NO
create or replace view v1 as select * from t1;
select column_name, column_default, column_default is not null as 'has_default', is_nullable from information_schema.columns where table_schema='test' and table_name='v1';
column_name	column_default	has_default	is_nullable
a	NULL	0	NO
create or replace view v1 as select * from t1 group by a;
select column_name, column_default, column_default is not null as 'has_default', is_nullable from information_schema.columns where table_schema='test' and table_name='v1';
column_name	column_default	has_default	is_nullable
a	NULL	0	NO
create or replace view v1 as select * from t1 group by a with rollup;
select column_name, column_default, column_default is not null as 'has_default', is_nullable from information_schema.columns where table_schema='test' and table_name='v1';
column_name	column_default	has_default	is_nullable
a	NULL	1	YES
drop view v1;
drop table t1;
# End of 10.4 test
#
# MDEV-37320 ASAN errors in Field::is_null / Item_param::assign_default
#
create table t1 (f01 timestamp, f03 timestamp);
insert into t1 () values ();
create trigger tr before insert on t1 for each row set @a=1;
prepare stmt from "update t1 set f03 = ?";
execute stmt using default;
drop table t1;
# End of 10.6 test
