Mongoose创建与新建/保存

我有一个带有必填字段

name

的食物模式。出于某种原因，当我尝试使用

create

函数（如下）创建食物项目时，它会抛出一个

ValidationError:Path'name'是必需的

，即使我的对象确实有一个name字段：

Food.create({
    name: "milk",
    daysUntilExpiration: 5
});

Mongoose: foods.insert({ name: 'milk', daysUntilExpiration: 5, _id: ObjectId("59608100cb0578165dd35de9"), __v: 0 })

我的mongoose调试输出还显示它正在执行插入，并且正在保存的对象具有名称字段：

Food.create({
    name: "milk",
    daysUntilExpiration: 5
});

Mongoose: foods.insert({ name: 'milk', daysUntilExpiration: 5, _id: ObjectId("59608100cb0578165dd35de9"), __v: 0 })

另一方面，如果我创建一个新对象，然后保存，它将按预期工作：

f = new Food({ name: "milk", daysUntilExpiration: 5 });
f.save() // no validation error!

为什么这种行为不同？我的印象是，create和new/save之间的区别纯粹是为了编程方便（希望在创建对象之后，但在保存到数据库之前使用对象），但似乎我错了

编辑：验证错误的堆栈跟踪：

ValidationError: Food validation failed: name: Path `name` is required.
        at ValidationError.inspect (/Users/jess/herb/node_modules/mongoose/lib/error/validation.js:63:24)
        at formatValue (util.js:352:36)
        at inspect (util.js:186:10)
        at exports.format (util.js:72:24)
        at Console.log (console.js:43:37)
        at tryCatcher (/Users/jess/herb/node_modules/bluebird/js/main/util.js:26:23)
        at Promise._settlePromiseFromHandler (/Users/jess/herb/node_modules/bluebird/js/main/promise.js:507:31)
        at Promise._settlePromiseAt (/Users/jess/herb/node_modules/bluebird/js/main/promise.js:581:18)
        at Promise._settlePromises (/Users/jess/herb/node_modules/bluebird/js/main/promise.js:697:14)
        at Async._drainQueue (/Users/jess/herb/node_modules/bluebird/js/main/async.js:123:16)
        at Async._drainQueues (/Users/jess/herb/node_modules/bluebird/js/main/async.js:133:10)
        at Immediate.Async.drainQueues (/Users/jess/herb/node_modules/bluebird/js/main/async.js:15:14)
        at runCallback (timers.js:651:20)
        at tryOnImmediate (timers.js:624:5)
        at processImmediate [as _immediateCallback] (timers.js:596:5) 

errors:
    { name:
      { MongooseError: Path `name` is required.
          at ValidatorError (/Users/jess/herb/node_modules/mongoose/lib/error/validator.js:24:11)
          at validate (/Users/jess/herb/node_modules/mongoose/lib/schematype.js:744:13)
          at /Users/jess/herb/node_modules/mongoose/lib/schematype.js:790:11
          at Array.forEach (native)
          at SchemaString.SchemaType.doValidate (/Users/jess/herb/node_modules/mongoose/lib/schematype.js:750:19)
          at /Users/jess/herb/node_modules/mongoose/lib/document.js:1462:9
          at _combinedTickCallback (internal/process/next_tick.js:67:7)
          at process._tickCallback (internal/process/next_tick.js:98:9)
        message: 'Path `name` is required.',
        name: 'ValidatorError',
        properties: [Object],
        kind: 'required',
        path: 'name',
        value: undefined,
        reason: undefined } },
  _message: 'Food validation failed',
  name: 'ValidationError' }

var mongoose = require('mongoose');

var schema = new mongoose.Schema({
    name: {
        type: String,
        required: true,
        min: 1,
        max: 100
    },

    daysUntilExpiration: {
        type: Number,
        min: 0
    }
});

module.exports = mongoose.model('Food', schema);

编辑2：食物模式：

ValidationError: Food validation failed: name: Path `name` is required.
        at ValidationError.inspect (/Users/jess/herb/node_modules/mongoose/lib/error/validation.js:63:24)
        at formatValue (util.js:352:36)
        at inspect (util.js:186:10)
        at exports.format (util.js:72:24)
        at Console.log (console.js:43:37)
        at tryCatcher (/Users/jess/herb/node_modules/bluebird/js/main/util.js:26:23)
        at Promise._settlePromiseFromHandler (/Users/jess/herb/node_modules/bluebird/js/main/promise.js:507:31)
        at Promise._settlePromiseAt (/Users/jess/herb/node_modules/bluebird/js/main/promise.js:581:18)
        at Promise._settlePromises (/Users/jess/herb/node_modules/bluebird/js/main/promise.js:697:14)
        at Async._drainQueue (/Users/jess/herb/node_modules/bluebird/js/main/async.js:123:16)
        at Async._drainQueues (/Users/jess/herb/node_modules/bluebird/js/main/async.js:133:10)
        at Immediate.Async.drainQueues (/Users/jess/herb/node_modules/bluebird/js/main/async.js:15:14)
        at runCallback (timers.js:651:20)
        at tryOnImmediate (timers.js:624:5)
        at processImmediate [as _immediateCallback] (timers.js:596:5) 

errors:
    { name:
      { MongooseError: Path `name` is required.
          at ValidatorError (/Users/jess/herb/node_modules/mongoose/lib/error/validator.js:24:11)
          at validate (/Users/jess/herb/node_modules/mongoose/lib/schematype.js:744:13)
          at /Users/jess/herb/node_modules/mongoose/lib/schematype.js:790:11
          at Array.forEach (native)
          at SchemaString.SchemaType.doValidate (/Users/jess/herb/node_modules/mongoose/lib/schematype.js:750:19)
          at /Users/jess/herb/node_modules/mongoose/lib/document.js:1462:9
          at _combinedTickCallback (internal/process/next_tick.js:67:7)
          at process._tickCallback (internal/process/next_tick.js:98:9)
        message: 'Path `name` is required.',
        name: 'ValidatorError',
        properties: [Object],
        kind: 'required',
        path: 'name',
        value: undefined,
        reason: undefined } },
  _message: 'Food validation failed',
  name: 'ValidationError' }

var mongoose = require('mongoose');

var schema = new mongoose.Schema({
    name: {
        type: String,
        required: true,
        min: 1,
        max: 100
    },

    daysUntilExpiration: {
        type: Number,
        min: 0
    }
});

module.exports = mongoose.model('Food', schema);

---

它怎么能既抛出错误又插入文档？@robertklep正是我想知道的！对此有一个合理的解释：Mongoose日志记录可能发生在插入实际成功之前。是Mongoose执行验证，而不是MongoDB本身，因此Mongoose甚至会在考虑插入内容之前抛出错误。我认为这个错误实际上是在其他地方抛出的。随附的堆栈跟踪可能会提供一些线索。您还可以包括您的架构和您定义的任何其他预保存挂钩/验证吗？它如何既抛出错误又插入文档？@robertklep正是我想知道的！对此有一个合理的解释：Mongoose日志记录可能发生在插入实际成功之前。是Mongoose执行验证，而不是MongoDB本身，因此Mongoose甚至会在考虑插入内容之前抛出错误。我认为这个错误实际上是在其他地方抛出的。随附的堆栈跟踪可能会提供一些线索。您还可以包括您的模式和您定义的任何其他预保存挂钩/验证吗？