im reading sqlalchemy and i see the code
employees_table = Table('employees', metadata,
Column('employee_id', Integer, primary_key=True),
Column('name', String(50)),
Column('manager_data', String(50)),
Column('engineer_info', String(50)),
Column('type', String(20), nullable=False)
)
employee_mapper = mapper(Employee, employees_table, \
polymorphic_on=employees_table.c.type, polymorphic_identity='employee')
manager_mapper = mapper(Manager, inherits=employee_mapper, polymorphic_identity='manager')
engineer_mapper = mapper(Engineer, inherits=employee_mapper, polymorphic_identity='engineer')
should i make 'type' an int, with constants in a library? or should i make just make type an enum?