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create table hello(
dob date,
age int as( TIMESTAMPDIFF(YEAR,dob,CURDATE()) ) VIRTUAL
);
Expression of generated column 'age' contains a disallowed function: curdate.
create table hello(
dob date,
age int as( TIMESTAMPDIFF(YEAR,dob,CURDATE()) ) STORED
);
Expression of generated column 'age' contains a disallowed function: curdate.