SQLalchemy 使用记录

1.models.py中添加该方法,可通过该方法转dict

#驼峰
def to_hump_dict(self):
return {commonUtils.str2Hump(c.name): getattr(self, c.name, None) for c in self.__table__.columns}
def to_dict(self):
    return {c.name: getattr(self, c.name, None) for c in self.__table__.columns}
Base.to_hump_dict = to_hump_dict
Base.to_dict = to_dict
class User(Base): __tablename__ = 'key_user' id = Column(INTEGER(11), primary_key=True, nullable=False, index=True) uid = Column(String(32), primary_key=True, nullable=False) username = Column(String(255), primary_key=True, nullable=False, index=True) remarks = Column(String(255)) creater = Column(String(255)) create_time = Column(TIMESTAMP)

 


2.查询(入参没有的情况)、分页、排序
  
if username:
  q = self.dbsession.query(KeyUser).filter(User.username == username)
if passwd:
  q = q.filter(User.passwd== passwd)
q.limit(pageSize).offset(int(page-1)*pageSize).order_by(User.id.desc()).all()

3.使用timestamp类型时,对应的python获取
  
func.current_timestamp()
posted @ 2019-03-26 16:01  zipon  阅读(382)  评论(0编辑  收藏  举报