Flask SQLAlchemy 操作数据库已有数据表

其中mssql+pymssql可以根据连接的数据库进行更换。 

from sqlalchemy import create_engine, Table, MetaData
from sqlalchemy.orm import Session


metadata = MetaData()
engine = create_engine('mssql+pymssql://user:pwd@host:port/db');
session = Session(engine)
ex_table = Table('Students', metadata, autoload=True, autoload_with=engine)

res = session.query(ex_table).filter_by(Id='1').order_by("Age")