CREATE TABLE t_8114 (a int) ENGINE = INNODB;
ALTER TABLE t_8114 ADD b INT GENERATED  ALWAYS AS (a) VIRTUAL;
SELECT NAME FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES WHERE NAME LIKE "%t_8114";
NAME
test/t_8114
SELECT NAME, POS, MTYPE, PRTYPE, LEN FROM INFORMATION_SCHEMA.INNODB_SYS_COLUMNS WHERE TABLE_ID IN (SELECT TABLE_ID FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES WHERE NAME LIKE "%t_8114");
NAME	POS	MTYPE	PRTYPE	LEN
a	0	6	1027	4
b	65537	6	9219	4
INSERT INTO t_8114 VALUES (9, default);
INSERT INTO t_8114 VALUES (3, default);
INSERT INTO t_8114 VALUES (1, default);
INSERT INTO t_8114 VALUES (5, default);
SELECT * FROM t_8114;
a	b
9	9
3	3
1	1
5	5
DROP TABLE t_8114;
CREATE TABLE t_8114 (Column_1 CHAR(5) GENERATED ALWAYS AS (PI()+5), Column_2  CHAR(5)) engine=innodb;
SELECT NAME, FLAG, N_COLS FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES WHERE NAME LIKE "%t_8114";
NAME	FLAG	N_COLS
test/t_8114	33	4
SELECT NAME, POS, MTYPE, PRTYPE, LEN FROM INFORMATION_SCHEMA.INNODB_SYS_COLUMNS WHERE TABLE_ID IN (SELECT TABLE_ID FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES WHERE NAME LIKE "%t_8114");
NAME	POS	MTYPE	PRTYPE	LEN
Column_2	0	2	524542	5
Column_1	65536	2	532734	5
INSERT INTO t_8114 VALUES (default, "aa");
INSERT INTO t_8114 VALUES (default, "bb");
INSERT INTO t_8114 VALUES (default, "ee");
INSERT INTO t_8114 VALUES (default, "pp");
SELECT * FROM t_8114;
Column_1	Column_2
8.142	aa
8.142	bb
8.142	ee
8.142	pp
ALTER TABLE t_8114 DROP Column_1;
SELECT NAME FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES WHERE NAME LIKE "%t_8114";
NAME
test/t_8114
SELECT NAME, POS, MTYPE, PRTYPE, LEN FROM INFORMATION_SCHEMA.INNODB_SYS_COLUMNS WHERE TABLE_ID IN (SELECT TABLE_ID FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES WHERE NAME LIKE "%t_8114");
NAME	POS	MTYPE	PRTYPE	LEN
Column_2	0	2	524542	5
SELECT * FROM t_8114;
Column_2
aa
bb
ee
pp
DROP TABLE t_8114;