mongoose-schema

问题 I want to delete a resume from list of resumes in my schema. I'm using mongoose(5.9.7) and express js. Schema const ResumeSchema = new Schema({ user: { type: Schema.Types.ObjectId, ref: "User" }, fileLink: { type: String, required: true }, fileName: { type: String, required: true }, description: { type: String, required: true } }); module.exports = Resume = mongoose.model("Resume", ResumeSchema); I have a route to fetch all the resumes. I'm creating a ref of resume in my ProfileSchema as well

问题 I have 3 to 4 collections users payments branches grades In users table we have multiple types of users like student, parents like this. In payments table user payments details have payments details with partical amount or full amount. In branches, table have branch details. I am trying find the reports based on branches and grades wise. total numbers of users in that branch total numbers of paid users in that branch based on paidStatus column. total sum amount recieved in that branch based

问题 I have 3 to 4 collections users payments branches grades In users table we have multiple types of users like student, parents like this. In payments table user payments details have payments details with partical amount or full amount. In branches, table have branch details. I am trying find the reports based on branches and grades wise. total numbers of users in that branch total numbers of paid users in that branch based on paidStatus column. total sum amount recieved in that branch based

问题 I have two models. The first one is UserSchema and the second one is CategorySchema var UserSchema = Schema({ firstName: { type: String, required: true }, secondName: String, lastName: { type: String, required: true }, email: { type: String, unique: true, required: true }, password: { type: String, required: true }, status: { type: String, required: true }, roles: [{ type: Schema.ObjectId, ref: 'Role' }], publications: [{ title: { type: String, }, description: String, status: { type: String,

问题 here is my schema: var UserSchema = new Schema({ email: String, name: String, city: String, username: String, profilePic: String, phoneNo: Number, shortList: { project: [{ type: Schema.ObjectId, ref: "Project" }], flat: [{ type: Schema.ObjectId, ref: "Flat" }], }, }); var FlatSchema = new Schema({ project: { type: Schema.ObjectId, ref: "Project" }, status: String, floor: Number, size: String, type: String, flat_number: String, price: Number, flooringType: String, createdAt: { type: Date,

问题 I want to start taking advantage of Mongooses document versioning (__v key). I was having an issue actually incrementing the version value, then I found that you have to add this.increment() when executing a query. Is there a way to have automatically incremented? For now, I just added it to the pre middleware for a update-type queries: module.exports = Mongoose => { const Schema = Mongoose.Schema const modelSchema = new Schema( { name: Schema.Types.String, description: Schema.Types.String }

问题 I'm joining ($lookup) two collection the following way : const LEAD_PRICE = ....; // doesn't matter Client.aggregate( [ { $lookup: { from: "clientboughtleads", localField: "_id", foreignField: "Client", as: "ClientLeads" } }, { $project: { ClientId: "$_id", RegistrationDate: "$date", TotalPurchasedLeads: { $size: "$ClientLeads" }, IncomeFromClient: { // This one is always undefined $multiply: [LEAD_PRICE / 2, "$TotalPurchasedLeads"] } } } ] I want to calculate IncomeFromClient by the mul of a

问题 I have a json array containing data of almost 300 users. I am using (Mongoose)Model.InsertMany() for saving user data array to Mongodb. To hash a single user password i am using this guide: https://www.mongodb.com/blog/post/password-authentication-with-mongoose-part-1 but i want to hash passwords of all users at once. This guide uses 'save' function to hash but as i am using 'InsertMany()' to dump to Mongodb so how can i achieve hashing by using InsertMany() 回答1: You can use pre save hook in

问题 I have a json array containing data of almost 300 users. I am using (Mongoose)Model.InsertMany() for saving user data array to Mongodb. To hash a single user password i am using this guide: https://www.mongodb.com/blog/post/password-authentication-with-mongoose-part-1 but i want to hash passwords of all users at once. This guide uses 'save' function to hash but as i am using 'InsertMany()' to dump to Mongodb so how can i achieve hashing by using InsertMany() 回答1: You can use pre save hook in

问题 I'm new to nodejs and currently i'm trying to implement a web application using nodejs and mongodb (mongoose). I want to select objects within a nested array and parent array based on a property of those objects. Simply - I need to select Categories which are having valid property as true and sub_services which are having valid property as true. (with in a category there cannot be sub_services which having valid property as false and there cannot be category objects which are having valid