set sql_mode=strict_all_tables;
set time_zone="+02:00";
create table t1 (a int not null, b int, c int);
create trigger trgi before insert on t1 for each row set new.a=if(new.a is null,new.b,new.c);
insert t1 values (10, NULL, 1);
insert t1 values (NULL, 2, NULL);
insert t1 values (NULL, NULL, 20);
ERROR 23000: Column 'a' cannot be null
insert t1 values (1, 2, NULL);
ERROR 23000: Column 'a' cannot be null
select * from t1;
a	b	c
1	NULL	1
2	2	NULL
insert ignore t1 values (NULL, NULL, 30);
Warnings:
Warning	1048	Column 'a' cannot be null
insert ignore t1 values (1, 3, NULL);
Warnings:
Warning	1048	Column 'a' cannot be null
select * from t1;
a	b	c
1	NULL	1
2	2	NULL
0	NULL	30
0	3	NULL
insert t1 set a=NULL, b=4, c=a;
select * from t1;
a	b	c
1	NULL	1
2	2	NULL
0	NULL	30
0	3	NULL
4	4	NULL
delete from t1;
insert t1 (a,c) values (10, 1);
insert t1 (a,b) values (NULL, 2);
insert t1 (a,c) values (NULL, 20);
ERROR 23000: Column 'a' cannot be null
insert t1 (a,b) values (1, 2);
ERROR 23000: Column 'a' cannot be null
select * from t1;
a	b	c
1	NULL	1
2	2	NULL
delete from t1;
insert t1 select 10, NULL, 1;
insert t1 select NULL, 2, NULL;
insert t1 select NULL, NULL, 20;
ERROR 23000: Column 'a' cannot be null
insert t1 select 1, 2, NULL;
ERROR 23000: Column 'a' cannot be null
insert ignore t1 select NULL, NULL, 30;
Warnings:
Warning	1048	Column 'a' cannot be null
insert ignore t1 select 1, 3, NULL;
Warnings:
Warning	1048	Column 'a' cannot be null
select * from t1;
a	b	c
1	NULL	1
2	2	NULL
0	NULL	30
0	3	NULL
delete from t1;
insert delayed t1 values (10, NULL, 1);
insert delayed t1 values (NULL, 2, NULL);
insert delayed t1 values (NULL, NULL, 20);
ERROR 23000: Column 'a' cannot be null
insert delayed t1 values (1, 2, NULL);
ERROR 23000: Column 'a' cannot be null
select * from t1;
a	b	c
1	NULL	1
2	2	NULL
insert delayed ignore t1 values (NULL, NULL, 30);
Warnings:
Warning	1048	Column 'a' cannot be null
insert delayed ignore t1 values (1, 3, NULL);
Warnings:
Warning	1048	Column 'a' cannot be null
flush table t1;
select * from t1;
a	b	c
1	NULL	1
2	2	NULL
0	NULL	30
0	3	NULL
delete from t1;
alter table t1 add primary key (a);
create trigger trgu before update on t1 for each row set new.a=if(new.a is null,new.b,new.c);
insert t1 values (100,100,100), (200,200,200), (300,300,300);
insert t1 values (100,100,100) on duplicate key update a=10, b=NULL, c=1;
insert t1 values (200,200,200) on duplicate key update a=NULL, b=2, c=NULL;
insert t1 values (300,300,300) on duplicate key update a=NULL, b=NULL, c=20;
ERROR 23000: Column 'a' cannot be null
insert t1 values (300,300,300) on duplicate key update a=1, b=2, c=NULL;
ERROR 23000: Column 'a' cannot be null
select * from t1;
a	b	c
1	NULL	1
2	2	NULL
300	300	300
delete from t1;
insert t1 values (1,100,1), (2,200,2);
replace t1 values (10, NULL, 1);
replace t1 values (NULL, 2, NULL);
replace t1 values (NULL, NULL, 30);
ERROR 23000: Column 'a' cannot be null
replace t1 values (1, 3, NULL);
ERROR 23000: Column 'a' cannot be null
select * from t1;
a	b	c
1	NULL	1
2	2	NULL
delete from t1;
insert t1 values (100,100,100), (200,200,200), (300,300,300);
update t1 set a=10, b=NULL, c=1 where a=100;
update t1 set a=NULL, b=2, c=NULL where a=200;
update t1 set a=NULL, b=NULL, c=20 where a=300;
ERROR 23000: Column 'a' cannot be null
update t1 set a=1, b=2, c=NULL where a=300;
ERROR 23000: Column 'a' cannot be null
select * from t1;
a	b	c
1	NULL	1
2	2	NULL
300	300	300
set statement sql_mode='' for update t1 set a=1, b=2, c=NULL where a > 1;
ERROR 23000: Duplicate entry '0' for key 'PRIMARY'
select * from t1;
a	b	c
1	NULL	1
0	2	NULL
300	300	300
update t1 set a=NULL, b=4, c=a where a=300;
select * from t1;
a	b	c
1	NULL	1
0	2	NULL
4	4	NULL
delete from t1;
create table t2 (d int, e int);
insert t1 values (100,100,100), (200,200,200), (300,300,300);
insert t2 select a,b from t1;
update t1,t2 set a=10, b=NULL, c=1 where b=d and e=100;
update t1,t2 set a=NULL, b=2, c=NULL where b=d and e=200;
update t1,t2 set a=NULL, b=NULL, c=20 where b=d and e=300;
ERROR 23000: Column 'a' cannot be null
update t1,t2 set a=1, b=2, c=NULL where b=d and e=300;
ERROR 23000: Column 'a' cannot be null
select * from t1;
a	b	c
1	NULL	1
2	2	NULL
300	300	300
update t1,t2 set a=NULL, b=4, c=a where b=d and e=300;
select * from t1;
a	b	c
1	NULL	1
2	2	NULL
4	4	300
delete from t1;
insert t2 values (2,2);
create view v1 as select * from t1, t2 where d=2;
insert v1 (a,c) values (10, 1);
insert v1 (a,b) values (NULL, 2);
insert v1 (a,c) values (NULL, 20);
ERROR 23000: Column 'a' cannot be null
insert v1 (a,b) values (1, 2);
ERROR 23000: Column 'a' cannot be null
select * from v1;
a	b	c	d	e
1	NULL	1	2	2
2	2	NULL	2	2
delete from t1;
drop view v1;
drop table t2;
load data infile 'mdev8605.txt' into table t1 fields terminated by ',';
ERROR 23000: Column 'a' cannot be null
select * from t1;
a	b	c
1	NULL	1
2	2	NULL
drop table t1;
create table t1 (a timestamp not null default now() on update now(), b int auto_increment primary key);
create trigger trgi before insert on t1 for each row set new.a=if(new.a is null, '2000-10-20 10:20:30', NULL);
set statement timestamp=777777777 for insert t1 (a) values (NULL);
set statement timestamp=888888888 for insert t1 (a) values ('1999-12-11 10:9:8');
select b, a, unix_timestamp(a) from t1;
b	a	unix_timestamp(a)
1	2000-10-20 10:20:30	972030030
2	1998-03-03 03:34:48	888888888
set statement timestamp=999999999 for update t1 set b=3 where b=2;
select b, a, unix_timestamp(a) from t1;
b	a	unix_timestamp(a)
1	2000-10-20 10:20:30	972030030
3	2001-09-09 03:46:39	999999999
create trigger trgu before update on t1 for each row set new.a='2011-11-11 11:11:11';
update t1 set b=4 where b=3;
select b, a, unix_timestamp(a) from t1;
b	a	unix_timestamp(a)
1	2000-10-20 10:20:30	972030030
4	2011-11-11 11:11:11	1321002671
drop table t1;
create table t1 (a int auto_increment primary key);
create trigger trgi before insert on t1 for each row set new.a=if(new.a is null, 5, NULL);
insert t1 values (NULL);
insert t1 values (10);
select a from t1;
a
5
6
drop table t1;
create table t1 (a int, b int, c int);
create trigger trgi before insert on t1 for each row set new.a=if(new.a is null,new.b,new.c);
insert t1 values (10, NULL, 1);
insert t1 values (NULL, 2, NULL);
insert t1 values (NULL, NULL, 20);
insert t1 values (1, 2, NULL);
select * from t1;
a	b	c
1	NULL	1
2	2	NULL
NULL	NULL	20
NULL	2	NULL
drop table t1;
create table t1 (a1 tinyint not null, a2 timestamp not null,
a3 tinyint not null auto_increment primary key,
b tinyint, c int not null);
create trigger trgi before insert on t1 for each row
begin
if new.b=1 then set new.a1=if(new.c,new.c,null); end if;
if new.b=2 then set new.a2=if(new.c,new.c,null); end if;
if new.b=3 then set new.a3=if(new.c,new.c,null); end if;
end|
set statement timestamp=777777777 for
load data infile 'sep8605.txt' into table t1 fields terminated by ',';
ERROR 23000: Column 'a1' cannot be null
select * from t1;
a1	a2	a3	b	c
1	2010-11-12 01:02:03	10	0	0
2	2010-11-12 01:02:03	11	1	2
3	1994-08-25 03:22:57	12	0	0
4	2000-09-08 07:06:05	13	2	908070605
5	1994-08-25 03:22:57	14	2	0
6	2010-11-12 01:02:03	15	0	0
7	2010-11-12 01:02:03	20	3	20
8	2010-11-12 01:02:03	21	3	0
delete from t1;
set statement timestamp=777777777 for
load data infile 'sep8605.txt' into table t1 fields terminated by ','
   (@a,a2,a3,b,c) set a1=100-@a;
ERROR 23000: Column 'a1' cannot be null
select 100-a1,a2,a3,b,c from t1;
100-a1	a2	a3	b	c
1	2010-11-12 01:02:03	10	0	0
98	2010-11-12 01:02:03	11	1	2
3	1994-08-25 03:22:57	12	0	0
4	2000-09-08 07:06:05	13	2	908070605
5	1994-08-25 03:22:57	14	2	0
6	2010-11-12 01:02:03	22	0	0
7	2010-11-12 01:02:03	20	3	20
8	2010-11-12 01:02:03	23	3	0
delete from t1;
set statement timestamp=777777777 for
load data infile 'fix8605.txt' into table t1 fields terminated by '';
ERROR 23000: Column 'a1' cannot be null
select * from t1;
a1	a2	a3	b	c
1	2010-11-12 01:02:03	10	0	0
5	1994-08-25 03:22:57	14	2	0
8	2010-11-12 01:02:03	24	3	0
delete from t1;
set statement timestamp=777777777 for
load xml infile 'xml8605.txt' into table t1 rows identified by '<row>';
ERROR 23000: Column 'a1' cannot be null
select * from t1;
a1	a2	a3	b	c
1	2010-11-12 01:02:03	10	0	0
2	2010-11-12 01:02:03	11	1	2
3	1994-08-25 03:22:57	12	0	0
4	2000-09-08 07:06:05	13	2	908070605
5	1994-08-25 03:22:57	14	2	0
6	2010-11-12 01:02:03	25	0	0
7	2010-11-12 01:02:03	20	3	20
8	2010-11-12 01:02:03	26	3	0
drop table t1;
create table t1 (a int not null default 5, b int, c int);
create trigger trgi before insert on t1 for each row set new.b=new.c;
insert t1 values (DEFAULT,2,1);
select * from t1;
a	b	c
5	1	1
drop table t1;
create table t1 (a int not null, b int not null default 5, c int);
create trigger trgi before insert on t1 for each row
begin
if new.c=1 then set new.a=1, new.b=1; end if;
if new.c=2 then set new.a=NULL, new.b=NULL; end if;
if new.c=3 then set new.a=2; end if;
end|
insert t1 values (9, 9, 1);
insert t1 values (9, 9, 2);
ERROR 23000: Column 'a' cannot be null
insert t1 (a,c) values (9, 3);
select * from t1;
a	b	c
1	1	1
2	5	3
drop table t1;
set session sql_mode ='no_auto_value_on_zero';
create table t1 (id int unsigned auto_increment primary key);
insert t1 values (0);
select * from t1;
id
0
delete from t1;
create trigger t1_bi before insert on t1 for each row begin end;
insert t1 values (0);
insert t1 (id) values (0);
ERROR 23000: Duplicate entry '0' for key 'PRIMARY'
drop table t1;
create table t1 (a int not null, b int);
create trigger trgi before update on t1 for each row do 1;
insert t1 values (1,1),(2,2),(3,3),(1,4);
create table t2 select a as c, b as d from t1;
update t1 set a=(select count(c) from t2 where c+1=a+1 group by a);
select * from t1;
a	b
2	1
1	2
1	3
2	4
drop table t1, t2;
create table t1 (a int not null);
create table t2 (f1 int unsigned not null, f2 int);
insert into t2 values (1, null);
create trigger tr1 before update on t1 for each row do 1;
create trigger tr2 after update on t2 for each row update t1 set a=new.f2;
update t2 set f2=1 where f1=1;
drop table t1, t2;
create table t1 (a int not null, primary key (a));
insert into t1 (a) values (1);
show columns from t1;
Field	Type	Null	Key	Default	Extra
a	int(11)	NO	PRI	NULL	
create trigger t1bu before update on t1 for each row begin end;
show columns from t1;
Field	Type	Null	Key	Default	Extra
a	int(11)	NO	PRI	NULL	
insert into t1 (a) values (3);
show columns from t1;
Field	Type	Null	Key	Default	Extra
a	int(11)	NO	PRI	NULL	
drop table t1;
create table t1 (
pk int primary key,
i int,
v1 int as (i) virtual,
v2 int as (i) virtual
);
create trigger tr before update on t1 for each row set @a = 1;
insert into t1 (pk, i) values (null, null);
ERROR 23000: Column 'pk' cannot be null
drop table t1;
#
# MDEV-19761 Before Trigger not processed for Not Null Columns if no explicit value and no DEFAULT
#
create table t1( id int, rate int not null);
create trigger test_trigger before insert on t1 for each row
set new.rate=if(new.rate is null,10,new.rate);
insert into t1 (id) values (1);
insert into t1 values (2,3);
select * from t1;
id	rate
1	10
2	3
create or replace trigger test_trigger before insert on t1 for each row
if new.rate is null then set new.rate = 15; end if;
$$
insert into t1 (id) values (3);
insert into t1 values (4,5);
select * from t1;
id	rate
1	10
2	3
3	15
4	5
drop table t1;
#
# MDEV-35911 Assertion `marked_for_write_or_computed()' failed in bool Field_new_decimal::store_value(const my_decimal*, int*)
#
set sql_mode='';
create table t1 (c fixed,c2 binary (1),c5 fixed not null);
create trigger tr1 before update on t1 for each row set @a=0;
insert into t1 (c) values (1);
Warnings:
Warning	1364	Field 'c5' doesn't have a default value
drop table t1;
set sql_mode=default;
#
# MDEV-36026 Problem with INSERT SELECT on NOT NULL columns while having BEFORE UPDATE trigger
#
create table t1 (b int(11) not null);
create trigger t1bu before update on t1 for each row begin end;
insert t1 (b) select 1 union select 2;
create trigger trgi before insert on t1 for each row set new.b=ifnull(new.b,10);
insert t1 (b) select NULL union select 11;
select * from t1;
b
1
2
10
11
drop table t1;
# End of 10.5 tests