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我正在尝试使用Nodejs sequelize创建数据库。被调用的命令是MySql - Sequalize - 无法添加外键约束
CREATE TABLE IF NOT EXISTS `wheel` (`id` INTEGER NOT NULL auto_increment , `createdAt` DATETIME NOT NULL, `updatedAt` DATETIME NOT NULL, `shopId` VARCHAR(255), PRIMARY KEY (`id`),
FOREIGN KEY (`shopId`) REFERENCES `shop` (`id`) ON DELETE SET NULL ON UPDATE CASCADE) ENGINE=InnoDB;
CREATE TABLE IF NOT EXISTS `segments` (`segmentID` VARCHAR(255) NOT NULL , `heading` VARCHAR(255) NOT NULL, `subHeading` VARCHAR(255) NOT NULL, `createdAt` DATETIME NOT NULL, `updatedAt` DATETIME NOT NULL, `wheelId` INTEGER, PRIMARY KEY (`segmentID`),
FOREIGN KEY (`wheelId`) REFERENCES `wheel` (`id`) ON DELETE SET NULL ON UPDATE CASCADE) ENGINE=InnoDB;
CREATE TABLE IF NOT EXISTS `shop` (`id` VARCHAR(255) NOT NULL , `accessToken` VARCHAR(255) NOT NULL, `createdAt` DATETIME NOT NULL, `updatedAt` DATETIME NOT NULL, PRIMARY KEY (`id`)) ENGINE=InnoDB;
但我得到这个错误
Unhandled rejection SequelizeDatabaseError: ER_CANNOT_ADD_FOREIGN: Cannot add foreign key constraint
当我尝试,看看在过去的外键错误,它说
------------------------
LATEST FOREIGN KEY ERROR
------------------------
2016-07-28 19:23:21 0x700000d95000 Error in foreign key constraint of table exitpopup/segments:
FOREIGN KEY (`wheelId`) REFERENCES `wheel` (`id`) ON DELETE SET NULL ON UPDATE CASCADE) ENGINE=InnoDB:
Cannot resolve table name close to:
(`id`) ON DELETE SET NULL ON UPDATE CASCADE) ENGINE=InnoDB
奇怪的是,当我把SQL控制台中的sql语句,它的工作原理并没有任何错误。 我在做什么错?