I have a collection "product_reviews" with this document structure { _id: 'B000000OE4', 'product/title': 'Working Class Hero', 'product/price': '16.99', reviews: [ { 'review/userId': 'unknown', 'review/profileName': 'unknown', 'review/helpfulness': '2/3', 'review/score': '4.0', 'review/time': '27/05/1999/00:00:00', 'review/summary': 'Worth it for one song', 'review/text': "I really…
I have a collection in MongoDb someCollection containing field field1. I want to add another field with values equal to field1. I do it like this: db.someCollection.updateMany({}, {$set:{"newField": "$field1"}}) But the after update I got row like this {"field1": "value1",…
How can I get all the sum of fields in an array in Mongoose? I want to sum up all the amounts in the payments array. DB: [ { "_id": 0, "name": "shoe", "payments": [ { "type": "a", "amount": 10…
I am looking to push to an array on my users schema in mongoose. I am following mongoose's Adding Subdocs to Arrays documentation but keep getting an error on user.notes.push(newNotebook) TypeError: Cannot read properties of undefined (reading 'push') Here is…
I am using mongoose to store user data, and one of the attributes is items: [] in my additems.js: const User = require('../models/User'); var array = user.items array.indexOfObject = function (property, value) { for (let i = 0, len =…
I have restore-63bbdc996664dc2524cce24d.tar file, I am restoring it in the MongoDB database tried these commands mongodump --db test --gzip --archive=restore-63bbdc996664dc2524cce24d.tar mongodump --db test --archive=restore-63bbdc996664dc2524cce24d.tar mongodump --host localhost --port 27017 --db test --gzip --archive=restore-63bbdc996664dc2524cce24d.tar mongorestore --drop C:Usersrustamrestore-63bbdc996664dc2524cce24d.tar.gz -v error => Failed:…
When I click Submit to post the entry on MongoDB, it gives me this error MongoDB is connected to the server as well. This is my router file const express = require('express'); const Club = require('../models/club') const Router = express.Router();…
I am trying to create a index with schema { _id: "", name: "" } I want to make an index that supports names with unique values and permits adding data to databases when names have the value "" (empty…
I am using MongoDB and pymongo to create a database and store data in them. I have a list that I wish to store in a database. And as far as I understand, I would have to use Python dict…
I have a MongoDB(v 5.0.6) collection with the following data: [{ "_id": { "$oid": "63bc06e6aa310000d6004a68" }, "key": "title", "label": "title", "type": "text", "searchable": 0 },{ "_id": { "$oid": "63bc06e6aa310000d6004a69" }, "key": "attribution", "label": "attribution", "type": "text", "searchable": 0 },{ "_id":…