SQLalchemy -对浮点列按like查询

from sqlalchemy import create_engine, Column, Float, String
from sqlalchemy.orm import sessionmaker
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.sql.expression import cast

# 创建数据库连接
engine = create_engine('数据库连接字符串')

# 创建会话
Session = sessionmaker(bind=engine)
session = Session()

# 定义数据模型
Base = declarative_base()

class MyTable(Base):
    __tablename__ = 'my_table'
    id = Column(Integer, primary_key=True)
    float_column = Column(Float)
    other_column = Column(String)

# 查询浮点列按like查询的结果
results = session.query(MyTable).filter(cast(MyTable.float_column, String).like('%查询条件%')).all()

# 打印查询结果
for result in results:
    print(result.float_column)

# 关闭会话
session.close()