Suppose I have the SQLAlchemy code shown below. It retrieves all the users who are older than 28 years old. Now suppose I have a u = User(name='Alice', age=30). I want to find out if u matches the filter of my_query. How can I optimally do it? from sqlalchemy import create_engine, Column, Integer, String from sqlalchemy.orm import sessionmaker, declarative_base Base = declarative_base() class User(Base): __tablename__ = 'users' id = Column(Integer, primary_key=True) name = Column(String) age = Column(Integer) engine = create_engine('sqlite:///:memory:') Base.metadata.create_all(engine) Session = sessionmaker(bind=engine) session = Session() # Add some data session.add_all([ User(name='Alice', age=30), User(name='Bob', age=25), User(name='Charlie', age=35) ]) session.commit() # Filter users older than 28 my_query = session.query(User).filter(User.age > 28) users = my_query.all() for user in users: print(f"Name: {user.name}, Age: {user.age}") Continue reading...