city_retrofit/persistence/models/City.py

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"""
Model representation of a City
SPDX - License - Identifier: LGPL - 3.0 - or -later
Copyright © 2022 Concordia CERC group
Project Coder Peter Yefi peteryefi@gmail.com
"""
from sqlalchemy import Column, Integer, String, Sequence, Float
from db_config import Base
from sqlalchemy.orm import relationship
class City(Base):
__tablename__ = "models"
id = Column(Integer, Sequence('city_id_seq'), primary_key=True)
name = Column(String, nullable=False)
location = Column(String, nullable=False)
country_code = Column(String, nullable=False)
latitude = Column(Float, nullable=False)
longitude = Column(Float, nullable=False)
building = relationship('Building', backref='models', lazy=True, cascade="all, delete-orphan")