config root man

CREATE TABLE t (
a INTEGER,
b BLOB GENERATED ALWAYS AS (a) VIRTUAL,
INDEX (b(57))
)ENGINE=INNODB;
INSERT INTO t (a) VALUES (9);
BEGIN;
SAVEPOINT a;
UPDATE t set a = 12;
DELETE FROM t where a = 12;
ROLLBACK TO SAVEPOINT a;
COMMIT;
CHECK TABLE t;
Table	Op	Msg_type	Msg_text
test.t	check	status	OK
SELECT * FROM t;
a	b
9	9
BEGIN;
INSERT INTO t (a) VALUES (10);
# Kill and restart
SELECT * FROM t;
a	b
9	9
DROP TABLE t;
CREATE TABLE t (
a INTEGER,
b BLOB GENERATED ALWAYS AS (a) VIRTUAL,
c INTEGER
)ENGINE=INNODB;
INSERT INTO t (a,c) VALUES (9, 10);
SELECT * FROM t;
a	b	c
9	9	10
SET DEBUG_SYNC = 'row_log_apply_after SIGNAL created WAIT_FOR dml_done';
ALTER TABLE t ADD KEY(b(57)), ALGORITHM=INPLACE;
SET DEBUG_SYNC = 'now WAIT_FOR created';
BEGIN;
INSERT INTO t (a,c) VALUES (10, 12);
SELECT * FROM t;
a	b	c
9	9	10
10	10	12
ROLLBACK;
SET DEBUG_SYNC = 'now SIGNAL dml_done';
SELECT * FROM t;
a	b	c
9	9	10
DROP TABLE t;
CREATE TABLE t (
a INT,
b INT,
c INT GENERATED ALWAYS AS(a+b),
d INT GENERATED ALWAYS AS(a+b+b),
KEY(c, d)
)ENGINE=INNODB;
INSERT INTO t (a,b) VALUES (9, 10);
SELECT * FROM t;
a	b	c	d
9	10	19	29
SET DEBUG_SYNC = 'row_log_apply_after SIGNAL created WAIT_FOR dml_done';
ALTER TABLE t DROP COLUMN c, ALGORITHM=INPLACE;
SET DEBUG_SYNC = 'now WAIT_FOR created';
BEGIN;
INSERT INTO t (a,b) VALUES (10, 12);
SELECT * FROM t;
a	b	c	d
9	10	19	29
10	12	22	34
ROLLBACK;
SET DEBUG_SYNC = 'now SIGNAL dml_done';
SELECT * FROM t;
a	b	d
9	10	29
DROP TABLE t;