PythonのORM、SQLAlchemyをまとめる（SELECT編）from sqlalchemy import create_engine, MetaData from sqlalchemy.orm import sessionmaker, declarative_base from databases import Database DATABASE_URL = 'postgresql://postgres:password@db:5432/db_name' engine = create_engine(DATABASE_URL) Session = sessionmaker(autocommit=False, autoflush=False, bind=engine) session = Session() Base = declarative_base() from sqlalchemy import ( Column, DateTime, Int
