Question

代码命中require('./models').sequelize.sync()时出现此错误。（models是通过运行命令sequelize init创建的目录）任何人都可以给我一些关于导致此错误的提示吗？

> node src/server.js

Unhandled rejection TypeError: Dependency name must be given as a not empty string
    at /Users/syg/Repos/example/node_modules/sequelize/node_modules/toposort-class/toposort.js:37:31
    at Array.forEach (native)
    at Toposort.self.add (/Users/syg/Repos/example/node_modules/sequelize/node_modules/toposort-class/toposort.js:35:22)
    at /Users/syg/Repos/example/node_modules/sequelize/lib/model-manager.js:89:12
    at Array.forEach (native)
    at ModelManager.forEachModel (/Users/syg/Repos/example/node_modules/sequelize/lib/model-manager.js:58:15)
    at /Users/syg/Repos/example/node_modules/sequelize/lib/sequelize.js:862:23
    at tryCatcher (/Users/syg/Repos/example/node_modules/sequelize/node_modules/bluebird/js/main/util.js:24:31)
    at Promise._settlePromiseFromHandler (/Users/syg/Repos/example/node_modules/sequelize/node_modules/bluebird/js/main/promise.js:454:31)
    at Promise._settlePromiseAt (/Users/syg/Repos/example/node_modules/sequelize/node_modules/bluebird/js/main/promise.js:530:18)
    at Promise._settlePromiseAtPostResolution (/Users/syg/Repos/example/node_modules/sequelize/node_modules/bluebird/js/main/promise.js:224:10)
    at Async._drainQueue (/Users/syg/Repos/example/node_modules/sequelize/node_modules/bluebird/js/main/async.js:182:12)
    at Async._drainQueues (/Users/syg/Repos/example/node_modules/sequelize/node_modules/bluebird/js/main/async.js:187:10)
    at Immediate.Async.drainQueues [as _onImmediate] (/Users/syg/Repos/example/node_modules/sequelize/node_modules/bluebird/js/main/async.js:15:14)
    at processImmediate [as _immediateCallback] (timers.js:358:17)

我将sequelize@3.2.0与HapiJS一起使用。可以找到类似的回购here。（即使sequelize已升级到最新版本，此仓库确实有效）

Answer 1

它是由我的模型文件中的一个错误的自引用键引起的。

Answer 2

这是因为根据之前版本的sequelize声明了外键。

根据最新版本＆＃34; sequelize＆＃34;：＆＃34; ^ 4.31.2＆＃34;，添加外键的正确方法是 -

addressId: {
    type: DataTypes.INTEGER,
    references: {
        model: 'addresses',
        key: 'id'
    }
}

我宣称它是

addressId: {
    type: DataTypes.INTEGER,
    references: 'addresses',
    referencesKey: 'id'
}

未处理的拒绝TypeError：依赖关系名称必须以非空字符串形式给出

2 个答案: