check table vcol_autoinc for upgrade;
Table	Op	Msg_type	Msg_text
test.vcol_autoinc	check	Warning	Function or expression 'AUTO_INCREMENT' cannot be used in the GENERATED ALWAYS AS clause of `pk`
test.vcol_autoinc	check	status	OK
show create table vcol_autoinc;
Table	Create Table
vcol_autoinc	CREATE TABLE `vcol_autoinc` (
  `pk` int(11) NOT NULL AUTO_INCREMENT,
  `v3` int(11) GENERATED ALWAYS AS (`pk`) VIRTUAL,
  PRIMARY KEY (`pk`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
select * from vcol_autoinc;
pk	v3
insert vcol_autoinc (pk) values (1);
select * from vcol_autoinc;
pk	v3
1	1
drop table vcol_autoinc;