People can use string-based primaryjoin parameter to define the
sqlalchemy.orm.relation instance if people use declarative base
class. But the __table__ attribute is not available. Look at this
example.
Chassis and Blade are sub-class of System. The sysid property
shares the same name in parent
Jack wrote:
People can use string-based primaryjoin parameter to define the
sqlalchemy.orm.relation instance if people use declarative base
class. But the __table__ attribute is not available. Look at this
example.
its a limited subset of behaviors which are allowed within the evaluated