Spring boot application throwing exception while connecting to mongodb atlas I'm trying to connect spring boot application with a mongodb cluster and I'm facing the following issue while starting the spring boot application. org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mongoDatabaseFactory'…
So I am trying to create a basic authentication app without using any modules or auth strategies. Just by pushing user credentials to a MongoDb database and then by comparing the entered credentials every time a user tries to login…
I have a mongo db with multiple collections (let's say 3). I want to join them all so that I can do some aggregations. I was able to connect to a local db and one collection using documentation found oneline…
My colection is a list of products with the following structure { _id name status // enum ['active','sold','reserved','pending'] . . createdAt } What I need is a sort feature along with the status value passed to the system, I ll…
Currently I am trying to write RESTapi for a website with users and flashcards. I am using a MERN stack in order to build this. The mongodb structure is the following: //FlashCardSchema const flashcardSchema = new Schema({ deckID: { type:…
db.orders.aggregate([ { "$lookup": { "from": "inventory", "as": "result", "let": {"_id": "$_id"}, "pipeline": [ { $match: { $expr: { $and: [ { $eq: ["$adder_id", some_object_id] }, { $eq: [ "$friend_id", "$$_id" ] } ] } } } ] } } ])…
Currently I'm using a timer with node-schedule to check for changes in the database, making queries every 1 minute and then comparing with the information already registered to see if there were changes since the last check. With what I…
I am trying to follow a course on MongoDB and I have problems running the following code that should allow me to connect to mongoDB. I have two modules: mongoConnect.js import { MongoClient} from 'mongodb'; import {EventEmitter} from 'events'; const…
I have a document in a collection which have values in array. { "name": "ABC", "details": [ {"color": "red", "price": 20000}, {"color": "black", "price": 22000}, {"color": "blue", "price": 21000} ] }, { "name": "XYZ", "details": [ {"color": "yellow", "price": 10000},…
The $lookup stage will return an array of subdocuments. But the only value that I am interested in from the result of the $lookup is the the _id value. So instead of an array of { _id: ObjectId() }, how…