SET @@session.default_storage_engine = 'MyISAM';
create table t1 (a int, 
b int as (-a),
c int as (-a) persistent);
set sql_warnings = 1;
#
# *** INSERT ***
#
# INSERT INTO tbl_name VALUES... DEFAULT is specified against vcols
insert into t1 values (1,default,default);
select * from t1;
a	b	c
1	-1	-1
delete from t1;
select * from t1;
a	b	c
# INSERT INTO tbl_name VALUES... NULL is specified against vcols
insert into t1 values (1,null,null);
select * from t1;
a	b	c
1	-1	-1
delete from t1;
select * from t1;
a	b	c
# INSERT INTO tbl_name VALUES... a non-NULL value is specified against vcols
insert ignore into t1 values (1,2,3);
Warnings:
Warning	1906	The value specified for generated column 'b' in table 't1' has been ignored
Warning	1906	The value specified for generated column 'c' in table 't1' has been ignored
select * from t1;
a	b	c
1	-1	-1
delete from t1;
select * from t1;
a	b	c
# INSERT INTO tbl_name (<non_vcol_list>) VALUES...
insert into t1 (a) values (1), (2);
select * from t1;
a	b	c
1	-1	-1
2	-2	-2
delete from t1;
select * from t1;
a	b	c
# INSERT INTO tbl_name (<normal+vcols>) VALUES... DEFAULT is specified 
# against vcols
insert into t1 (a,b) values (1,default), (2,default);
select * from t1;
a	b	c
1	-1	-1
2	-2	-2
delete from t1;
select * from t1;
a	b	c
# INSERT INTO tbl_name (<normal+vcols>) VALUES... NULL is specified against vcols
insert into t1 (a,b) values (1,null), (2,null);
select * from t1;
a	b	c
1	-1	-1
2	-2	-2
delete from t1;
select * from t1;
a	b	c
# INSERT INTO tbl_name (<normal+vcols>) VALUES... a non-NULL value is specified 
# against vcols
insert ignore into t1 (a,b) values (1,3), (2,4);
Warnings:
Warning	1906	The value specified for generated column 'b' in table 't1' has been ignored
Warning	1906	The value specified for generated column 'b' in table 't1' has been ignored
select * from t1;
a	b	c
1	-1	-1
2	-2	-2
delete from t1;
select * from t1;
a	b	c
drop table t1;
# Table with UNIQUE non-vcol field. INSERT INTO tbl_name VALUES... ON DUPLICATE 
# KEY UPDATE <non_vcol>=expr, <vcol>=expr
create table t1 (a int unique, 
b int as (-a),
c int as (-a) persistent);
insert into t1 values (1,default,default);
insert into t1 values (1,default,default) 
on duplicate key update a=2, b=default;
select a,b,c from t1;
a	b	c
2	-2	-2
delete from t1 where b in (1,2);
select * from t1;
a	b	c
2	-2	-2
drop table t1;
# Table with UNIQUE vcol field. INSERT INTO tbl_name VALUES... ON DUPLICATE 
# KEY UPDATE <non_vcol>=expr, <vcol>=expr
create table t1 (a int, 
b int as (-a),
c int as (-a) persistent unique);
insert into t1 values (1,default,default);
insert into t1 values (1,default,default) 
on duplicate key update a=2, b=default;
select a,b,c from t1;
a	b	c
2	-2	-2
# CREATE new_table ... LIKE old_table
# INSERT INTO new_table SELECT * from old_table
create table t2 like t1;
insert ignore into t2 select * from t1;
Warnings:
Warning	1906	The value specified for generated column 'b' in table 't2' has been ignored
Warning	1906	The value specified for generated column 'c' in table 't2' has been ignored
select * from t1;
a	b	c
2	-2	-2
drop table t2;
# CREATE new_table ... LIKE old_table INSERT INTO new_table (<non-vcols>, <vcols>) 
# SELECT <non-vcols>, <vcols> from old_table
insert into t1 values (1,default,default);
select * from t1;
a	b	c
2	-2	-2
1	-1	-1
create table t2 like t1;
insert ignore into t2 (a,b) select a,b from t1;
Warnings:
Warning	1906	The value specified for generated column 'b' in table 't2' has been ignored
Warning	1906	The value specified for generated column 'b' in table 't2' has been ignored
select * from t2;
a	b	c
2	-2	-2
1	-1	-1
drop table t2;
drop table t1;
#
# *** UPDATE ***
#
# UPDATE tbl_name SET non-vcol=expr WHERE non-vcol=expr
create table t1 (a int, 
b int as (-a),
c int as (-a) persistent);
insert into t1 (a) values (1), (2);
select * from t1;
a	b	c
1	-1	-1
2	-2	-2
update t1 set a=3 where a=2;
select * from t1;
a	b	c
1	-1	-1
3	-3	-3
delete from t1;
select * from t1;
a	b	c
# UPDATE tbl_name SET vcol=expr WHERE non-vcol=expr
insert into t1 (a) values (1), (2);
select * from t1;
a	b	c
1	-1	-1
2	-2	-2
update ignore t1 set c=3 where a=2;
Warnings:
Warning	1906	The value specified for generated column 'c' in table 't1' has been ignored
select * from t1;
a	b	c
1	-1	-1
2	-2	-2
delete from t1;
select * from t1;
a	b	c
# UPDATE tbl_name SET non-vcol=expr WHERE vcol=expr
insert into t1 (a) values (1), (2);
select * from t1;
a	b	c
1	-1	-1
2	-2	-2
update t1 set a=3 where b=-2;
select * from t1;
a	b	c
1	-1	-1
3	-3	-3
delete from t1;
select * from t1;
a	b	c
# UPDATE tbl_name SET vcol=expr WHERE vcol=expr
insert into t1 (a) values (1), (2);
select * from t1;
a	b	c
1	-1	-1
2	-2	-2
update ignore t1 set c=3 where b=-2;
Warnings:
Warning	1906	The value specified for generated column 'c' in table 't1' has been ignored
select * from t1;
a	b	c
1	-1	-1
2	-2	-2
delete from t1;
select * from t1;
a	b	c
drop table t1;
# INDEX created on vcol 
# UPDATE tbl_name SET non-vcol=expr WHERE vcol=const
create table t1 (a int, 
b int as (-a),
c int as (-a) persistent unique);
insert into t1 (a) values (1), (2);
select * from t1;
a	b	c
1	-1	-1
2	-2	-2
update t1 set a=3 where c=-2;
select * from t1;
a	b	c
1	-1	-1
3	-3	-3
delete from t1;
select * from t1;
a	b	c
# INDEX created on vcol 
# UPDATE tbl_name SET non-vcol=expr WHERE vcol=between const1 and const2
insert into t1 (a) values (1), (2);
select * from t1;
a	b	c
1	-1	-1
2	-2	-2
update t1 set a=3 where c between -3 and -2;
select * from t1;
a	b	c
1	-1	-1
3	-3	-3
delete from t1;
select * from t1;
a	b	c
# No INDEX created on vcol 
# UPDATE tbl_name SET non-vcol=expr WHERE vcol=between const1 and const2
insert into t1 (a) values (1), (2);
select * from t1;
a	b	c
1	-1	-1
2	-2	-2
update t1 set a=3 where b between -3 and -2;
select * from t1;
a	b	c
1	-1	-1
3	-3	-3
delete from t1;
select * from t1;
a	b	c
# INDEX created on vcol 
# UPDATE tbl_name SET non-vcol=expr 
# WHERE vcol=between const1 and const2 ORDER BY vcol
insert into t1 (a) values (1), (2), (3), (4), (5);
select * from t1;
a	b	c
1	-1	-1
2	-2	-2
3	-3	-3
4	-4	-4
5	-5	-5
update t1 set a=6 where c between -1 and 0
order by c;
select * from t1;
a	b	c
6	-6	-6
2	-2	-2
3	-3	-3
4	-4	-4
5	-5	-5
delete from t1 where c between -6 and 0;
select * from t1;
a	b	c
# INDEX created on vcol 
# UPDATE tbl_name SET non-vcol=expr 
# WHERE vcol=between const1 and const2 ORDER BY vcol LIMIT 2
insert into t1 (a) values (1), (2), (3), (4), (5);
select * from t1;
a	b	c
5	-5	-5
4	-4	-4
3	-3	-3
2	-2	-2
1	-1	-1
update t1 set a=6 where c between -1 and 0
order by c limit 2;
select * from t1;
a	b	c
5	-5	-5
4	-4	-4
3	-3	-3
2	-2	-2
6	-6	-6
delete from t1 where c between -2 and 0 order by c;
select * from t1;
a	b	c
5	-5	-5
4	-4	-4
3	-3	-3
6	-6	-6
delete from t1;
# INDEX created on vcol 
# UPDATE tbl_name SET non-vcol=expr
# WHERE indexed vcol=between const1 and const2 and non-indexed vcol=const3
insert into t1 (a) values (1), (2), (3), (4), (5);
select * from t1;
a	b	c
1	-1	-1
2	-2	-2
3	-3	-3
4	-4	-4
5	-5	-5
update t1 set a=6 where (c between -2 and 0) and (b=-1);
select * from t1;
a	b	c
6	-6	-6
2	-2	-2
3	-3	-3
4	-4	-4
5	-5	-5
delete from t1;
# INDEX created on vcol 
# UPDATE tbl_name SET non-vcol=expr
# WHERE indexed vcol=between const1 and const2 and non-indexed vcol=const3
# ORDER BY indexed vcol
insert into t1 (a) values (1), (2), (3), (4), (5);
select * from t1;
a	b	c
1	-1	-1
2	-2	-2
3	-3	-3
4	-4	-4
5	-5	-5
update t1 set a=6 where (c between -2 and 0) and (b=-1) order by c;
select * from t1;
a	b	c
6	-6	-6
2	-2	-2
3	-3	-3
4	-4	-4
5	-5	-5
delete from t1;
drop table t1;
#
# *** REPLACE ***
#
# UNIQUE INDEX on vcol
# REPLACE tbl_name (non-vcols) VALUES (non-vcols);
create table t1 (a int, 
b int as (-a),
c int as (-a) persistent unique,
d varchar(16));
insert into t1 (a,d) values (1,'a'), (2,'b');
select * from t1;
a	b	c	d
1	-1	-1	a
2	-2	-2	b
replace t1 (a,d) values (1,'c');
select * from t1;
a	b	c	d
1	-1	-1	c
2	-2	-2	b
delete from t1;
select * from t1;
a	b	c	d
set sql_warnings = 0;
drop table t1;
#
# MDEV-9093: Persistent computed column is not updated when
# update query contains join
#
CREATE TABLE `t1` (
`id` bigint(20) NOT NULL,
`name` varchar(254) DEFAULT NULL,
`name_hash` varchar(64) AS (sha1(name)) PERSISTENT,
PRIMARY KEY (`id`)
);
insert into t1(id,name) values (2050, 'name1'),(2051, 'name2'),(2041, 'name3');
create table t2 (id bigint);
insert into t2 values (2050),(2051),(2041);
select * from t1;
id	name	name_hash
2050	name1	9b46b0dd3a8083c070c3b9953bb5f3f95c5ab4da
2051	name2	39ea84acf1fef629fef18a9c6f5799bba32ecc25
2041	name3	1aefcd1b0f39da45fa1fd7236f683c907c15ef82
update t1 join t2 using(id) set name = concat(name,
'+1') where t1.id in (2051,2041);
select * from t1;
id	name	name_hash
2050	name1	9b46b0dd3a8083c070c3b9953bb5f3f95c5ab4da
2051	name2+1	fd4f236320db3956a5ec073c5ec39707d7f05708
2041	name3+1	93c9096df48221428de46e146abc9f4f94bf7d2e
drop table t1,t2;
#
# Test error handling with virtual columns
#
CREATE TABLE IF NOT EXISTS t1 (
f1 DOUBLE,
f2 DOUBLE NOT NULL DEFAULT '0',
f3 DOUBLE,
f4 DOUBLE NOT NULL DEFAULT '0',
v1 DOUBLE AS ( ( f1 DIV ( f1 ) ) <= f2 ) VIRTUAL,
v2 DOUBLE AS ( ( f2 DIV ( f2 ) ) <= f2 ) VIRTUAL,
KEY (v2)
);
set sql_mode='strict_all_tables,error_for_division_by_zero';
INSERT INTO t1 (f1, f2, f3, f4) VALUES (0, 0, 0, 0);
ERROR 22012: Division by 0
INSERT INTO t1 (f1, f2, f3, f4) VALUES (1, 1, 1, 1);
INSERT INTO t1 (f1, f2, f3, f4) VALUES (1, 0, 1, 1);
ERROR 22012: Division by 0
INSERT IGNORE INTO t1 (f1, f2, f3, f4) VALUES (1, 0, 1, 1);
Warnings:
Warning	1365	Division by 0
INSERT INTO t1 (f1, f2, f3, f4) VALUES (0, 1, 1, 1);
select v1 from t1;
v1
1
0
NULL
Warnings:
Warning	1365	Division by 0
INSERT INTO t1 (f1, f2, f3, f4) VALUES (0,0,0,0), (2,2,2,2);
ERROR 22012: Division by 0
INSERT INTO t1 (f1, f2, f3, f4) VALUES (3,3,3,3), (4,4,4,4);
INSERT INTO t1 (f1, f2, f3, f4) VALUES (5,5,5,5), (1,0,0,0);
ERROR 22012: Division by 0
INSERT INTO t1 (f1, f2, f3, f4) VALUES (6,6,0,0);
INSERT INTO t1 ( f1, f2, f3, f4 ) SELECT f3, f4, f3, f4 FROM t1;
ERROR 22012: Division by 0
select count(*) from t1;
count(*)
13
DELETE FROM t1 WHERE v2 != f1 and f1 < 5;
Warnings:
Warning	1365	Division by 0
Warning	1365	Division by 0
select count(*) from t1;
count(*)
8
select * from t1;
f1	f2	f3	f4	v1	v2
1	1	1	1	1	1
1	0	1	1	0	NULL
5	5	5	5	1	1
6	6	0	0	1	1
1	1	1	1	1	1
1	1	1	1	1	1
1	1	1	1	1	1
5	5	5	5	1	1
Warnings:
Warning	1365	Division by 0
INSERT INTO t1 ( f1, f2, f3, f4 ) SELECT v1, v2, 10,10 FROM t1;
ERROR 23000: Column 'f2' cannot be null
INSERT INTO t1 ( f1, f2, f3, f4 ) SELECT v1, v2, 10,10 FROM t1 where f2 !=0;
Warnings:
Warning	1365	Division by 0
UPDATE t1 SET f3 = v1 WHERE f2 = 2 AND v2 is null;
Warnings:
Warning	1365	Division by 0
SELECT * FROM t1;
f1	f2	f3	f4	v1	v2
1	1	1	1	1	1
1	0	1	1	0	NULL
1	1	10	10	1	1
1	1	10	10	1	1
1	1	10	10	1	1
5	5	5	5	1	1
6	6	0	0	1	1
1	1	1	1	1	1
1	1	1	1	1	1
1	1	1	1	1	1
1	1	10	10	1	1
1	1	10	10	1	1
5	5	5	5	1	1
1	1	10	10	1	1
1	1	10	10	1	1
1	1	10	10	1	1
1	1	10	10	1	1
Warnings:
Warning	1365	Division by 0
TRUNCATE TABLE t1;
set sql_mode='error_for_division_by_zero';
INSERT INTO t1 (f1, f2, f3, f4) VALUES (0, 0, 0, 0);
Warnings:
Warning	1365	Division by 0
INSERT INTO t1 (f1, f2, f3, f4) VALUES (1, 1, 1, 1);
INSERT INTO t1 (f1, f2, f3, f4) VALUES (1, 0, 1, 1);
Warnings:
Warning	1365	Division by 0
INSERT INTO t1 (f1, f2, f3, f4) VALUES (0, 1, 1, 1);
select v1 from t1;
v1
NULL
1
0
NULL
Warnings:
Warning	1365	Division by 0
Warning	1365	Division by 0
INSERT INTO t1 (f1, f2, f3, f4) VALUES (0,0,0,0), (2,2,2,2);
Warnings:
Warning	1365	Division by 0
INSERT INTO t1 (f1, f2, f3, f4) VALUES (3,3,3,3), (4,4,4,4);
INSERT INTO t1 (f1, f2, f3, f4) VALUES (5,5,5,5), (1,0,0,0);
Warnings:
Warning	1365	Division by 0
INSERT INTO t1 (f1, f2, f3, f4) VALUES (6,6,0,0);
INSERT INTO t1 ( f1, f2, f3, f4 ) SELECT f3, f4, f3, f4 FROM t1;
Warnings:
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
select count(*) from t1;
count(*)
22
DELETE FROM t1 WHERE v2 != f1 and f1 < 5;
Warnings:
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
select count(*) from t1;
count(*)
15
select * from t1;
f1	f2	f3	f4	v1	v2
0	0	0	0	NULL	NULL
1	1	1	1	1	1
1	0	1	1	0	NULL
0	0	0	0	NULL	NULL
5	5	5	5	1	1
1	0	0	0	0	NULL
6	6	0	0	1	1
0	0	0	0	NULL	NULL
1	1	1	1	1	1
1	1	1	1	1	1
1	1	1	1	1	1
0	0	0	0	NULL	NULL
5	5	5	5	1	1
0	0	0	0	NULL	NULL
0	0	0	0	NULL	NULL
Warnings:
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
INSERT INTO t1 ( f1, f2, f3, f4 ) SELECT v1, v2, 10,10 FROM t1;
Warnings:
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1048	Column 'f2' cannot be null
Warning	1365	Division by 0
Warning	1048	Column 'f2' cannot be null
Warning	1365	Division by 0
Warning	1048	Column 'f2' cannot be null
Warning	1365	Division by 0
Warning	1048	Column 'f2' cannot be null
Warning	1365	Division by 0
Warning	1048	Column 'f2' cannot be null
Warning	1365	Division by 0
Warning	1048	Column 'f2' cannot be null
Warning	1365	Division by 0
Warning	1048	Column 'f2' cannot be null
Warning	1365	Division by 0
Warning	1048	Column 'f2' cannot be null
Warning	1365	Division by 0
UPDATE t1 SET f3 = v1 WHERE f2 = 2 AND v2 is null;
Warnings:
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
Warning	1365	Division by 0
drop table t1;
set sql_mode=@@global.sql_mode;