[sqlalchemy] Querying with polymorphism

Given the following relationships: employees_table = Table('employees', metadata, Column('id', Integer, primary_key=True), Column('row_type', Integer, nullable=False) Column('name', String(50)), Column('is_certified', Boolean) ) employee_mapper = mapper(Employee, employees_table,

Re: [sqlalchemy] Querying with polymorphism

Yoann Roman wrote: Given the following relationships: employees_table = Table('employees', metadata, Column('id', Integer, primary_key=True), Column('row_type', Integer, nullable=False) Column('name', String(50)), Column('is_certified', Boolean) ) employee_mapper =