相关疑难解决方法(0)

所以我试图将外键约束添加到我的数据库作为项目需求,它在不同的表上第一次或第二次工作,但我有两个表,在尝试添加外键约束时我得到一个错误.我得到的错误消息是:

ERROR 1215(HY000):无法添加外键约束

这是我用来创建表的SQL,两个有问题的表是Patient和Appointment.

SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0;
SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=1;
SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='TRADITIONAL,ALLOW_INVALID_DATES';

CREATE SCHEMA IF NOT EXISTS `doctorsoffice` DEFAULT CHARACTER SET utf8 ;
USE `doctorsoffice` ;

-- -----------------------------------------------------
-- Table `doctorsoffice`.`doctor`
-- -----------------------------------------------------
DROP TABLE IF EXISTS `doctorsoffice`.`doctor` ;

CREATE  TABLE IF NOT EXISTS `doctorsoffice`.`doctor` (
  `DoctorID` INT(11) NOT NULL AUTO_INCREMENT ,
  `FName` VARCHAR(20) NULL DEFAULT NULL ,
  `LName` VARCHAR(20) NULL DEFAULT NULL ,
  `Gender` VARCHAR(1) NULL DEFAULT NULL ,
  `Specialty` VARCHAR(40) NOT NULL DEFAULT …

我正在使用MySQL DB构建一个django应用程序.当我第一次运行'python manage.py migrate'时,会创建一些表,然后会出现一些错误.带来的错误是:

django.db.utils.IntegrityError:(1215,'无法添加外键约束')

当我运行这个MySQL命令时 -

SHOW ENGINE INNODB状态\ G,

我明白了>>>

2015-02-17 14:33:17 7f10891cf700 Error in foreign key constraint of table movie_store/#sql-4f1_66:
 FOREIGN KEY (`group_id`) REFERENCES `auth_group` (`id`):
Cannot resolve table name close to:
 (`id`)

完整的追溯是:

Creating tables...
    Creating table users
    Creating table merchant
    Creating table celery_taskmeta
    Creating table celery_tasksetmeta
    Creating table djcelery_intervalschedule
    Creating table djcelery_crontabschedule
    Creating table djcelery_periodictasks
    Creating table djcelery_periodictask
    Creating table djcelery_workerstate
    Creating table djcelery_taskstate
    Creating table post_office_email
    Creating table post_office_log
    Creating table post_office_emailtemplate
    Creating table …