def func1():
p1=Parent(name='p1')
c1=Child(name='c1')
p1.children.append(c1)
session = create_session()
session.add(p1)
session.commit()
def func2():
session = create_session()
p1 =session.query(Parent).filter_by(id=1)[0]
print type(p1)
c1 = session.query(Child).filter_by(id=1)[0]
print type(c1)
p1.children.remove(c1)
session.commit()
def func1():
session = create_session()
userobj =User(name='a',fullname='abc',password='******')
session.add(userobj)
session.commit()
