问题:Mongoose '.includes' - 类型为'ObjectId'的参数不能赋给类型为'{ type: ObjectId;required: true;}'的参数。 解答:在Mongoose中,'.includes'并不是一个有效的方法。它是JavaScript中Array对象的方法,用于判断一个数组是否包含某个特定...
const arrayA = ["a", "b", "c"], // 假设这个数组的长度未知,所以从数组中一个一个提取出来查找不可行 const stringID = "idABC", 数据库中包含: { "_id" : ObjectId("5943516dbffce41e90cdbdaa"), "ID" : "idABC", "money" : 1.68, "dataArray" : ["d"], }, { "_id" : Object...
{ type: mongoose.Schema.Types.ObjectId, ref: `User` } ] } ) EXPRESS ROUTE CODE const existingConvo = await Conversation.findOne({ participants: { $elemMatch: [msg.senderId, msg.recId] }, // ^ Query filter must be an object, got an array }) $elemMatch,因为您需要participants数组包含...
ObjectId Array Decimal128 Map UUID Read more about SchemaTypes here. Schemas not only define the structure of your document and casting of properties, they also define document instance methods, static Model methods, compound indexes, and document lifecycle hooks called middleware. Creating a model ...
constschema =newSchema({works: [{modelId:String,data: {type: mongoose.ObjectId,ref:function(doc) {// In Mongoose 6, `doc` is the array element, so you can access `modelId`.// In Mongoose 5, `doc` was the top-level document.returndoc.modelId; } } }] }); ...
// here how can I query the entire bid item from the array with 'newBidId'? this won't work this.listingModel.findById(newBidId) // returns null 4个 1、查找mongodb文档,其中数组字段具有数组项,其中存在子字段 2、MongoDB:将数组项转换为文档 ...
mongoose-patch-auditwill define a schema that has areffield containing theObjectIdof the original document, aopsarray containing all json patch operations and adatefield storing the date where the patch was applied. Storing a new document
However, now Mongoose provides a tiny bit more structure around the access by routing it through the Personmodel object, which will yield all kinds of powerful benefits, as you’ll see in a minute. Next up is the personId middleware, because it’s used in almost all the rest of the ...
ObjectId Array 用法: 自定义方法 模型的实例都是一个个的文档,文档中自带许多方法。同时,我们也可以定义我们自己的方法。 var userSchema = new Schema({ name: String, pass: String, email: String, createTime: Date, lastLogin: Date, type: String }); //根据该用户的类型区查找该类型下的所有用户 ...
Types.ObjectId; }; export type UserDocument = mongoose.Document<mongoose.Types.ObjectId, UserQueries> & UserMethods & { email: string; firstName: string; lastName: string; metadata?: any; bestFriend?: UserDocument["_id"] | UserDocument; friends: mongoose.Types.DocumentArray<UserFriend...