I have a model:
class ExchangeRate(Base):
...
created_at = Column(DateTime, nullable=False, server_default=func.now())
updated_at = Column(DateTime, nullable=False, server_default=func.now(),
server_onupdate=func.now())
Model fields `created_at` and `updated_at` have values generated by server,
but the value is not fetched automatically:
14 with Session() as session:
---> 15 return session.merge(exchange_rate)
16
ipdb> exchange_rate
ExchangeRate(currency_from='RUB', currency_to='KZT', rate=Decimal('4.77'),
rounding_type='FLOOR', rounding_precision=-2)
ipdb> session.merge(exchange_rate)
ExchangeRate(currency_from='RUB', currency_to='KZT', rate=Decimal('4.77'),
rounding_type='FLOOR', rounding_precision=-2)
ipdb>
Do I do use it correctly?
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