1

我正在尝试为遗留数据库定义模型。数据库架构:

CREATE TABLE sysuser
(
  id serial NOT NULL,
  login character varying(20) NOT NULL,
  passwd character varying(80) NOT NULL,
  created boolean DEFAULT false,
  deleted boolean DEFAULT false,
  CONSTRAINT sysuser_pkey PRIMARY KEY (id)
)
WITH (
  OIDS=FALSE
);


CREATE TABLE userinfo
(
  id integer NOT NULL DEFAULT currval('sysuser_id_seq'::regclass),
  name character varying(256),
  surname character varying(256)
)
WITH (
  OIDS=FALSE
);

这些与使用 id 列的表之间存在一对一的关系。

我的目标是通过提供登录来获取名称和用户名。在 SQL 中,这将是:SELECT name, surname FROM sysuser JOIN userinfo USING(id) WHERE login = 'joe1'

如何定义我的模型以允许我进行此类查询:

userlogin = 'joe1'
sysuser = Sysuser.objects.filter(deleted=False, created=True, login=userlogin).all()[:1]
#how to acheive this part?
print sysuser.userinfo.name #  Joe
4

1 回答 1

1

我所要做的就是db_columnSysuser模型中定义如下:

userinfo = models.ForeignKey(Userinfo, db_column='id')
于 2014-09-18T13:20:25.597 回答