log(person.toObject({ virtuals: true })); // { n: 'Val', name: 'Val' } console.log(person.name); // "Val" person.name = 'Not Val'; console.log(person); // { n: 'Not Val' } You can also declare aliases on nested paths. It is easier to use nested schemas and sub...
Schema.Types.ObjectId,//外键array:[],//数组arrOfString:[String],//字符串数组arrOfNumber:[Number],//数字数组arrOfDate:[Date],//日期数组arrOfBuffer:[Buffer],//Buffer数组arrOfBoolean:[Boolean],//布尔值数组arrOfObjectId:[Schema.Types.ObjectId]//对象ID数组nested:{//内嵌文档name:String, }...
options <Object> callback <Function> Returns: <Query> Example: weirdCar.update({$inc: {wheels:1}}, { safe: true }, callback); Valid options: safe safe mode (defaults to value set in schema (true)) upsert (boolean) whether to create the doc if it doesn't match (false) Docume...
5. Nested更新 (How to update objects in list in mongoose (in NodeJS)) letupdateResult=awaitAddress.findOneAndUpdate({customer_id:customerId,"addresses.address_type":addressType,},{"addresses.$.address_info":curAddress//直接改值});if(!updateResult){constnewAddressTypeInfo={address_type:address...
type, when used in a schema has special meaning within Mongoose. If your schema requires usingtypeas a nested property you must use object notation: newSchema({broken:{type:Boolean},asset:{name:String,type:String// uh oh, it broke. asset will be interpreted as String}});newSchema({works...
//该混合类型等同于nested_id:Schema.Types.ObjectId,//主键_fk:Schema.Types.ObjectId,//外键array:[],arrOfString:[String],arrOfNumber:[Number],arrOfDate:[Date],arrOfBuffer:[Buffer],arrOfBoolean:[Boolean],arrOfMixed:[Schema.Types.Mixed],arrOfObjectId:[Schema.Types.ObjectId]nested:{stuff:...
ofObjectId: [Schema.Types.ObjectId], nested: { stuff: { type: String, lowercase: true, trim: true } } }) 添加mongoose 实例方法,实例上使用的方法 mongooseSchema.methods.findbyusername = function(username, callback) { return this.model('mongoose').find({username: username}, callback); ...
nested: { stuff: { type: String, lowercase: true, trim: true } } }) 大多数属性类型的意义是显而易见的,除了以下几项: ObjectId:代表在数据库中的一个对象实体,比如,书本对象可以使用他来代表他的作者。实际上他包含的是对象的唯一id(_id)。我们可以在需要的时候使用populate()方法获取某些信息。 Mi...
type, when used in a schema has special meaning within Mongoose. If your schema requires usingtypeas a nested property you must use object notation: newSchema({broken:{type:Boolean},asset:{name:String,type:String// uh oh, it broke. asset will be interpreted as String}});newSchema({works...
types: correct schema type inference when using nested typeKey like type: { type: String } #14956 #14950 types: re-export DeleteResult and UpdateResult from MongoDB Node.js driver #14947 #14946 docs(documents): add section on setting deeply nested properties, including warning ...