config root man

SET @@session.default_storage_engine = 'MyISAM';
create table t1 (a int, 
b int generated always as (-a) virtual,
c int generated always as (-a) stored);
set sql_warnings = 1;
#
# *** INSERT ***
#
# INSERT INTO tbl_name VALUES... DEFAULT is specified against gcols
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 gcols
insert into t1 values (1,null,null);
ERROR HY000: The value specified for generated column 'b' in table 't1' is not allowed.
select * from t1;
a	b	c
delete from t1;
select * from t1;
a	b	c
# INSERT INTO tbl_name VALUES... a non-NULL value is specified against gcols
insert into t1 values (1,2,3);
ERROR HY000: The value specified for generated column 'b' in table 't1' is not allowed.
select * from t1;
a	b	c
delete from t1;
select * from t1;
a	b	c
# INSERT INTO tbl_name (<non_gcol_list>) VALUES...
insert into t1 (a) values (1), (2);
select * from t1 order by a;
a	b	c
1	-1	-1
2	-2	-2
delete from t1;
select * from t1;
a	b	c
# INSERT INTO tbl_name (<normal+gcols>) VALUES... DEFAULT is specified 
# against gcols
insert into t1 (a,b) values (1,default), (2,default);
select * from t1 order by a;
a	b	c
1	-1	-1
2	-2	-2
delete from t1;
select * from t1;
a	b	c
# INSERT INTO tbl_name (<normal+gcols>) VALUES... NULL is specified against gcols
insert into t1 (a,b) values (1,null), (2,null);
ERROR HY000: The value specified for generated column 'b' in table 't1' is not allowed.
select * from t1;
a	b	c
delete from t1;
select * from t1;
a	b	c
# INSERT INTO tbl_name (<normal+gcols>) VALUES... a non-NULL value is specified 
# against gcols
insert into t1 (a,b) values (1,3), (2,4);
ERROR HY000: The value specified for generated column 'b' in table 't1' is not allowed.
select * from t1;
a	b	c
delete from t1;
select * from t1;
a	b	c
drop table t1;
# Table with UNIQUE non-gcol field. INSERT INTO tbl_name VALUES... ON DUPLICATE 
# KEY UPDATE <non_gcol>=expr, <gcol>=expr
create table t1 (a int unique, 
b int generated always as (-a) virtual,
c int generated always as (-a) stored);
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 gcol field. INSERT INTO tbl_name VALUES... ON DUPLICATE 
# KEY UPDATE <non_gcol>=expr, <gcol>=expr
create table t1 (a int, 
b int generated always as (-a) virtual,
c int generated always as (-a) stored 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 into t2 select * from t1;
ERROR HY000: The value specified for generated column 'b' in table 't2' is not allowed.
insert into t2(a) select a from t1;
select * from t2;
a	b	c
2	-2	-2
drop table t2;
# CREATE new_table ... LIKE old_table INSERT INTO new_table (<non-gcols>, <gcols>) 
# SELECT <non-gcols>, <gcols> 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 into t2 (a,b) select a,b from t1;
ERROR HY000: The value specified for generated column 'b' in table 't2' is not allowed.
insert into t2 (a) select a from t1;
select * from t2 order by a;
a	b	c
1	-1	-1
2	-2	-2
drop table t2;
drop table t1;
#
# *** UPDATE ***
#
# UPDATE tbl_name SET non-gcol=expr WHERE non-gcol=expr
create table t1 (a int, 
b int generated always as (-a) virtual,
c int generated always as (-a) stored);
insert into t1 (a) values (1), (2);
select * from t1 order by a;
a	b	c
1	-1	-1
2	-2	-2
update t1 set a=3 where a=2;
select * from t1 order by a;
a	b	c
1	-1	-1
3	-3	-3
delete from t1;
select * from t1;
a	b	c
# UPDATE tbl_name SET gcol=expr WHERE non-gcol=expr
insert into t1 (a) values (1), (2);
select * from t1 order by a;
a	b	c
1	-1	-1
2	-2	-2
update t1 set c=3 where a=2;
ERROR HY000: The value specified for generated column 'c' in table 't1' is not allowed.
select * from t1 order by a;
a	b	c
1	-1	-1
2	-2	-2
delete from t1;
select * from t1;
a	b	c
# UPDATE tbl_name SET non-gcol=expr WHERE gcol=expr
insert into t1 (a) values (1), (2);
select * from t1 order by a;
a	b	c
1	-1	-1
2	-2	-2
update t1 set a=3 where b=-2;
select * from t1 order by a;
a	b	c
1	-1	-1
3	-3	-3
delete from t1;
select * from t1;
a	b	c
# UPDATE tbl_name SET gcol=expr WHERE gcol=expr
insert into t1 (a) values (1), (2);
select * from t1 order by a;
a	b	c
1	-1	-1
2	-2	-2
update t1 set c=3 where b=-2;
ERROR HY000: The value specified for generated column 'c' in table 't1' is not allowed.
select * from t1 order by a;
a	b	c
1	-1	-1
2	-2	-2
delete from t1;
select * from t1;
a	b	c
drop table t1;
# INDEX created on gcol 
# UPDATE tbl_name SET non-gcol=expr WHERE gcol=const
create table t1 (a int, 
b int generated always as (-a) virtual,
c int generated always as (-a) stored unique);
insert into t1 (a) values (1), (2);
select * from t1 order by a;
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 gcol 
# UPDATE tbl_name SET non-gcol=expr WHERE gcol=between const1 and const2
insert into t1 (a) values (1), (2);
select * from t1 order by a;
a	b	c
1	-1	-1
2	-2	-2
update t1 set a=3 where c between -3 and -2;
select * from t1 order by a;
a	b	c
1	-1	-1
3	-3	-3
delete from t1;
select * from t1;
a	b	c
# No INDEX created on gcol 
# UPDATE tbl_name SET non-gcol=expr WHERE gcol=between const1 and const2
insert into t1 (a) values (1), (2);
select * from t1 order by a;
a	b	c
1	-1	-1
2	-2	-2
update t1 set a=3 where b between -3 and -2;
select * from t1 order by a;
a	b	c
1	-1	-1
3	-3	-3
delete from t1;
select * from t1;
a	b	c
# INDEX created on gcol 
# UPDATE tbl_name SET non-gcol=expr 
# WHERE gcol=between const1 and const2 ORDER BY gcol
insert into t1 (a) values (1), (2), (3), (4), (5);
select * from t1 order by a;
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 order by a;
a	b	c
2	-2	-2
3	-3	-3
4	-4	-4
5	-5	-5
6	-6	-6
delete from t1 where c between -6 and 0;
select * from t1;
a	b	c
# INDEX created on gcol 
# UPDATE tbl_name SET non-gcol=expr 
# WHERE gcol=between const1 and const2 ORDER BY gcol LIMIT 2
insert into t1 (a) values (1), (2), (3), (4), (5);
select * from t1 order by a;
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 limit 2;
select * from t1 order by a;
a	b	c
2	-2	-2
3	-3	-3
4	-4	-4
5	-5	-5
6	-6	-6
delete from t1 where c between -2 and 0 order by c;
select * from t1 order by a;
a	b	c
3	-3	-3
4	-4	-4
5	-5	-5
6	-6	-6
delete from t1;
# INDEX created on gcol 
# UPDATE tbl_name SET non-gcol=expr
# WHERE indexed gcol=between const1 and const2 and non-indexed gcol=const3
insert into t1 (a) values (1), (2), (3), (4), (5);
select * from t1 order by a;
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 order by a;
a	b	c
2	-2	-2
3	-3	-3
4	-4	-4
5	-5	-5
6	-6	-6
delete from t1;
# INDEX created on gcol 
# UPDATE tbl_name SET non-gcol=expr
# WHERE indexed gcol=between const1 and const2 and non-indexed gcol=const3
# ORDER BY indexed gcol
insert into t1 (a) values (1), (2), (3), (4), (5);
select * from t1 order by a;
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 order by a;
a	b	c
2	-2	-2
3	-3	-3
4	-4	-4
5	-5	-5
6	-6	-6
delete from t1;
drop table t1;
#
# *** REPLACE ***
#
# UNIQUE INDEX on gcol
# REPLACE tbl_name (non-gcols) VALUES (non-gcols);
create table t1 (a int, 
b int generated always as (-a) virtual,
c int generated always as (-a) stored unique,
d varchar(16));
insert into t1 (a,d) values (1,'a'), (2,'b');
select * from t1 order by a;
a	b	c	d
1	-1	-1	a
2	-2	-2	b
replace t1 (a,d) values (1,'c');
select * from t1 order by a;
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;
Bug#20170778: WL411:FAILING ASSERTION `!TABLE || (!TABLE->WRITE_SET ||
BITMAP_IS_SET(TABLE->WR
#
CREATE TABLE t1 (col1 INT, col2 INT, col3 INT, col4 INT, col5
INT GENERATED ALWAYS AS (col3 * col2) VIRTUAL, col6 INT GENERATED ALWAYS AS
(col4 * col1) STORED, col7 INT GENERATED ALWAYS AS (col6 + col6) VIRTUAL,
col8 INT GENERATED ALWAYS AS (col6 / col5) STORED, col9 TEXT);
SET @fill_amount = (@@innodb_page_size / 2 ) + 1;
INSERT INTO t1 (col1,col2,col3,col4,col5,col6,col7,col8,col9) VALUES /* 3 */
(3, 3 / 3, 3 + 3, 3 / 3, DEFAULT, DEFAULT, DEFAULT, DEFAULT ,REPEAT(CAST(3 AS
CHAR(1)),@fill_amount)) , (3, 3 * 3, 3 + 3, 3 / 3, DEFAULT, DEFAULT, DEFAULT,
DEFAULT ,REPEAT(CAST(3 AS CHAR(1)),@fill_amount));
UPDATE t1 SET col1 = 2;
UPDATE t1 SET col7 = DEFAULT;
UPDATE t1 SET col8 = DEFAULT;
DROP TABLE t1;
# Bug#21081742: ASSERTION !TABLE || (!TABLE->WRITE_SET || 
# BITMAP_IS_SET(TABLE->WRITE_SET
#
CREATE TABLE b ( 
pk INTEGER AUTO_INCREMENT,
col_varchar_nokey VARCHAR(1),
col_varchar_key VARCHAR(2) GENERATED ALWAYS AS
(CONCAT(col_varchar_nokey, col_varchar_nokey)),
PRIMARY KEY (pk)
);
INSERT INTO b (col_varchar_nokey) VALUES ('v'),('v');
CREATE TABLE d (
pk INTEGER AUTO_INCREMENT,
col_varchar_nokey VARCHAR(1),
col_varchar_key VARCHAR(2) GENERATED ALWAYS AS
(CONCAT(col_varchar_nokey, col_varchar_nokey)),
PRIMARY KEY (pk)
) ;
INSERT INTO d (col_varchar_nokey) VALUES ('q'),('g'),('e'),('l'),(NULL),('v'),('c'),('u'),('x');
CREATE TABLE bb (
pk INTEGER AUTO_INCREMENT,
col_varchar_nokey VARCHAR(1) /*! NULL */,
col_varchar_key VARCHAR(2) GENERATED ALWAYS AS
(CONCAT(col_varchar_nokey, col_varchar_nokey)),
PRIMARY KEY (pk)
);
INSERT INTO bb (col_varchar_nokey) VALUES ('j'),('h');
EXPLAIN UPDATE
d AS OUTR1, b AS OUTR2
SET OUTR1.col_varchar_nokey = NULL
WHERE
( 't', 'b' )  IN
(
SELECT
INNR1.col_varchar_nokey AS x,
INNR1.col_varchar_key AS y
FROM bb AS INNR1
WHERE OUTR1.pk = 1
);
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	UPDATE	OUTR1	NULL	const	PRIMARY	PRIMARY	4	const	1	100.00	NULL
1	UPDATE	INNR1	NULL	ALL	NULL	NULL	NULL	NULL	2	50.00	Using where; FirstMatch(OUTR1)
1	SIMPLE	OUTR2	NULL	index	NULL	PRIMARY	4	NULL	2	100.00	Using index
Warnings:
Note	1276	Field or reference 'test.OUTR1.pk' of SELECT #2 was resolved in SELECT #1
DROP TABLE IF EXISTS b,bb,d;
#
# Bug#21216067 ASSERTION FAILED ROW_UPD_SEC_INDEX_ENTRY (INNOBASE/ROW/ROW0UPD.CC:2103)
#
CREATE TABLE t (
x INT, y INT, gc INT GENERATED ALWAYS AS (x+1) STORED
);
INSERT INTO t VALUES ();
UPDATE t t1, t t2 SET t2.y = 1, t1.x = 2;
SELECT * FROM t;
x	y	gc
2	1	3
DROP TABLE t;
# stored
CREATE TABLE C (
col_varchar_nokey VARCHAR(1),
col_varchar_key VARCHAR(2) GENERATED ALWAYS AS
(CONCAT(col_varchar_nokey, col_varchar_nokey)) STORED
);
INSERT INTO C (col_varchar_nokey) VALUES ('c');
EXPLAIN UPDATE C AS OUTR1, C AS OUTR2
SET OUTR1.`col_varchar_nokey` = 'f',
OUTR2.`col_varchar_nokey` = "a";
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	UPDATE	OUTR1	NULL	system	NULL	NULL	NULL	NULL	1	100.00	NULL
1	UPDATE	OUTR2	NULL	system	NULL	NULL	NULL	NULL	1	100.00	NULL
UPDATE C AS OUTR1, C AS OUTR2
SET OUTR1.`col_varchar_nokey` = 'f',
OUTR2.`col_varchar_nokey` = "a";
SELECT * from C;
col_varchar_nokey	col_varchar_key
a	aa
DROP TABLE C;
# stored, indexed
CREATE TABLE C (
col_varchar_nokey VARCHAR(1),
col_varchar_key VARCHAR(2) GENERATED ALWAYS AS
(CONCAT(col_varchar_nokey, col_varchar_nokey)) STORED,
KEY (col_varchar_key, col_varchar_nokey)
);
INSERT INTO C (col_varchar_nokey) VALUES ('c');
EXPLAIN UPDATE C AS OUTR1, C AS OUTR2
SET OUTR1.`col_varchar_nokey` = 'f',
OUTR2.`col_varchar_nokey` = "a";
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	UPDATE	OUTR1	NULL	system	NULL	NULL	NULL	NULL	1	100.00	NULL
1	UPDATE	OUTR2	NULL	system	NULL	NULL	NULL	NULL	1	100.00	NULL
UPDATE C AS OUTR1, C AS OUTR2
SET OUTR1.`col_varchar_nokey` = 'f',
OUTR2.`col_varchar_nokey` = "a";
SELECT * from C;
col_varchar_nokey	col_varchar_key
a	aa
DROP TABLE C;
# virtual
CREATE TABLE C (
col_varchar_nokey VARCHAR(1),
col_varchar_key VARCHAR(2) GENERATED ALWAYS AS
(CONCAT(col_varchar_nokey, col_varchar_nokey)) VIRTUAL
);
INSERT INTO C (col_varchar_nokey) VALUES ('c');
EXPLAIN UPDATE C AS OUTR1, C AS OUTR2
SET OUTR1.`col_varchar_nokey` = 'f',
OUTR2.`col_varchar_nokey` = "a";
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	UPDATE	OUTR1	NULL	system	NULL	NULL	NULL	NULL	1	100.00	NULL
1	UPDATE	OUTR2	NULL	system	NULL	NULL	NULL	NULL	1	100.00	NULL
UPDATE C AS OUTR1, C AS OUTR2
SET OUTR1.`col_varchar_nokey` = 'f',
OUTR2.`col_varchar_nokey` = "a";
SELECT * from C;
col_varchar_nokey	col_varchar_key
a	aa
DROP TABLE C;
#Bug#21929967:GCOLS:GCOL VALUE CHANGES WHEN SESSION CHANGES SQL_MODE
CREATE TABLE t(c1 INT GENERATED ALWAYS AS (1) VIRTUAL NOT NULL,
c2 INT GENERATED ALWAYS AS(2) STORED NOT NULL);
INSERT INTO t VALUES(DEFAULT, DEFAULT);
SELECT * FROM t;
c1	c2
1	2
CREATE TABLE t1(c1 INT, c2 INT GENERATED ALWAYS AS(c1 + 1) STORED);
INSERT INTO t1(c2) VALUES(DEFAULT);
SELECT * FROM t1;
c1	c2
NULL	NULL
CREATE TABLE t2(c1 INT DEFAULT 1, c2 INT GENERATED ALWAYS AS(c1 + 1) STORED NOT NULL);
INSERT INTO t2(c2) VALUES(DEFAULT);
SELECT * FROM t2;
c1	c2
1	2
DROP TABLE t, t1, t2;
# Bug#22179637: INSERT INTO TABLE FROM SELECT ACCEPTS TO INSERT INTO
#              GENERATED COLUMNS
CREATE TABLE t1 (
i1 INTEGER,
i2 INTEGER GENERATED ALWAYS AS (i1 + i1)
);
INSERT INTO t1 (i1, i2) SELECT 5, 6;
ERROR HY000: The value specified for generated column 'i2' in table 't1' is not allowed.
INSERT INTO t1 (i1) SELECT 5;
INSERT INTO t1 (i1) SELECT 5 ON DUPLICATE KEY UPDATE i2= 4;
ERROR HY000: The value specified for generated column 'i2' in table 't1' is not allowed.
INSERT INTO t1 (i1) SELECT 5 ON DUPLICATE KEY UPDATE i2= DEFAULT;
SELECT * FROM t1;
i1	i2
5	10
5	10
CREATE TABLE t2 (
i1 INTEGER,
i2 INTEGER GENERATED ALWAYS AS (i1 + i1) STORED
);
INSERT INTO t2 (i1, i2) SELECT 5, 6;
ERROR HY000: The value specified for generated column 'i2' in table 't2' is not allowed.
INSERT INTO t2 (i1, i2) SELECT * FROM t1;
ERROR HY000: The value specified for generated column 'i2' in table 't2' is not allowed.
INSERT INTO t2 (i1) SELECT 5;
INSERT INTO t2 (i1) SELECT 5 ON DUPLICATE KEY UPDATE i2= 4;
ERROR HY000: The value specified for generated column 'i2' in table 't2' is not allowed.
INSERT INTO t2 (i1) SELECT 5 ON DUPLICATE KEY UPDATE i2= DEFAULT;
SELECT * FROM t2;
i1	i2
5	10
5	10
DROP TABLE t1,t2;
DROP VIEW  IF EXISTS v1,v2;
DROP TABLE IF EXISTS t1,t2,t3;
DROP PROCEDURE IF EXISTS p1;
DROP FUNCTION IF EXISTS f1;
DROP TRIGGER IF EXISTS trg1;
DROP TRIGGER IF EXISTS trg2;
set sql_warnings = 0;