I tried to use aggregate and lookup but look like I cannot keep role in the members item. Any idea how to resolve it? db.groups.insertMany([ { title: 'Hi', members: [ { userId: ObjectId('62589515f239750e7e44b958'), role: 'Admin' }, { userId: ObjectId('655f634c632d0c23b9d455de'), role:…
I am simply trying to count some documents. When using other parameters such as "type": "someType", I get the correct count. But when I use {"createdAt": {"$gte": "", "$lte": ""}} (with actual dates which are JS date objects) I get…
I am trying to query on MongoDB with a compound text index as below: index : {name : 'text' , createdAt:'-1'} That will create a compound index for the name and createdAt field, but when I try to query on…
I have an online game store and code that filters data by tags and genres. But I also want to add filtering by platforms and systems. For example, the system is PC and the platform is Steam. How can I…
How to slove this problem Please help me const express=require("express"); const app=express(); const bodyparser=require("body-parser"); const cors=require("cors"); const mongoose=require("mongoose"); const PORT=4000; app.use(cors()); app.use(express.urlencoded({extended:false})); app.use(express.json()); app.use(bodyparser.urlencoded({extended:true})); const URL='mongodb+srv://username:[email protected]/UserDB'; const userSchema=new mongoose.Schema({ name:{ type:String }, password:{ type:String } }); const UserModel= mongoose.model("userData",userSchema); app.get("/",(req,res)=>{…
I have the following document in my cart collection: { "_id": { "$oid": "6555453298c59137f9cb2ee5" }, "userId": { "$oid": "6555453298c59137f9cb2ee3" }, "email": "[email protected]", "items": [ { "quantity": 3, "product": { "$oid": "655437995bc92c0647deb512" }, "_id": { "$oid": "65555277fe01541a2052bd5f" } }, { "quantity":…
I can't figure out why mongoose can't complete this Model.create. same connection works fine with other controller functions vscode postman i am trying to create a new document but my code just gets stuck
{ "offers" : [ { "name" : "min", "prices" : [ 8, 15, 18 ] }, { "name" : "max", "prices" : [ 9, 11, 18 ] } ], "nl" : [ 2, 4, 6, 7 ] } update aggregation…
How do I prevent this senario Request 1:I fetch document A and change something Request 2:I fetch document A and change something else Request 1:I save document A Request 2:I save document A Now the changes from Request 1 will…
I am getting this error will constructing a MERN page and couldn't get the get format. Here is the code: const express = require("express"); const app = express(); const mongoose = require("mongoose"); const UserModel = require("./models/Users"); const cors = require("cors");…