【SQLAlchemy】PostgreSQL的自增长主键定义

#coding=utf-8
#!/usr/bin/env python

from sqlalchemy import create_engine
engine = create_engine(‘postgresql://ms:ms@localhost:5432/stockpy‘)
from sqlalchemy.ext.declarative import declarative_base
Base = declarative_base()

from sqlalchemy import Table,Column, String,Integer,Sequence

class Test1(Base):
    __tablename__ = ‘test1‘
    id = Column(Integer, Sequence(‘test1_id_seq‘), primary_key=True)
    name = Column(String(50))

ed_t1=Test1(name=‘fuck python‘)
from sqlalchemy.orm import sessionmaker
Session = sessionmaker(bind=engine)
session = Session()
session.add(ed_t1)
session.commit()

原文：http://my.oschina.net/lbp0200/blog/499210