Having子句中的SQLAlchemy引用标签

from sqlalchemy import create_engine, Column, Integer, String
from sqlalchemy.orm import sessionmaker
from sqlalchemy.ext.declarative import declarative_base

# 创建数据库连接
engine = create_engine('mysql+pymysql://username:password@localhost:3306/database')
Session = sessionmaker(bind=engine)
session = Session()

# 定义数据模型
Base = declarative_base()

class User(Base):
    __tablename__ = 'users'
    id = Column(Integer, primary_key=True)
    name = Column(String(50))
    age = Column(Integer)

# 查询年龄大于等于18岁的用户，并按照年龄分组
result = session.query(User.age).group_by(User.age).having(User.age >= 18).all()

# 打印结果
for age in result:
    print(age)