Class BankAccount

test/ext/test_hybrid.py:2055–2068

        Base = declarative_base()

        class BankAccount(Base):
            __tablename__ = "bank_account"
            id = Column(Integer, primary_key=True)

            _balance = Column("balance", Numeric)

            @hybrid.hybrid_property
            def balance(self):
                """Return an Amount view of the current balance."""
                return Amount(self._balance, "usd")

            @balance.setter
            def balance(self, value):
                self._balance = value.as_currency("usd").amount

        cls.Amount = Amount
        cls.BankAccount = BankAccount