Category "mongodb"

Incrementing a "PlayerID" with a MongoDB Atlas Trigger

I need to have a playerID that is separate from _id and increments with each new entry into my users collection. I have tried to follow this tutorial with no lu

I have trying to update my quantity in mongodb server Its showing Null. How Can I solve this?

##I have trying to update my quantity in mongodb server Its showing Null. How Can I solve this?## ``` const handleSubmit = event =>{ const inputQuantity

Why I am getting "Not Implemented Error: Database objects do not implement truth value testing or bool()." while running makemigration cmd in django

I am trying to connect Django with MongoDB using Djongo. I have changed the Database parameter but I am getting this error Not Implemented Error: Database objec

Mongodb $ operator for nested documents [duplicate]

there is a wfs collection as follows: { _id:'1', transitions: [ { _id:'11', checkLists: [ { _id:'111',

Mongoose query always returns empty array

Im trying to make a greater than query but it always returns an empty array. const productSchema = require("./productsSchema"); const getProductsGreaterThan

mongodb query $in operator, fetch by ObjectId in Array

All my documents have a structure like this: { operational: {availableFleet: [Objectid('5bad3f452641a1186d21b5f8'), ...]} } So every document has an operati

C# and MongoDB - Returning values from an object

I'm hoping someone can help: I have MongoDB collection for a User which has an Array called Reports which holds objects with IDs. I can retrieve the IDs but I'm

How can i add React loading spinner when item is fetching from database?

Here is, my code. i want to add a spinner when data is loading then after finish loading display the data. {/* product section */} <section className="c

How to find documents based on the result of a function mongoose

So I have two schemas user and driver they both have latitude and longitude attributes. At some point I want to query the database for nearby drivers, I will be

Why is my mongo query using the $in operator producting an error?

The following query is erroring out: const pastOrders = await Order.find( {user: userId}, {status: {$in: ["delivered", "refunded"]}} ).popul

How to add attribute to the result of mongoose query before res.status(200).send(result);

I am trying to build a CRUD API that query a mongodb. I want to add another attribute (temperature) to the query result before sending it back to the client. Pa

Mongoose.connect is not connecting to local db

I'm building a simple MERN blogging app with a local MongoDB. Everything was working fine until yesterday. I literally changed nothing at all and now I can't co

Remove Embedded Documents in an Array in MongoDB with mongoose (updateOne - $pull) not work

I have an app with MongoDB (Mongoose) in NodeJs. In a collection I have this type of documents, defined by weeks: { "_id": {"$oid":"617f3f51f883fab2de3e7260"},

mongodb net::ERR_CONNECTION_REFUSED

I have just write post method for inserting data in MongoDB.when submit form for fetch data form frontend that time gets this error List item net::ERR_CONNECTIO

MongooseServerSelectionError: connect ECONNREFUSED ::1:27017 wont get fixed

I've been trying for over 2 hours now trying to figure out what's wrong with this database. I've tried everything. From reinstalling the server, restarting the

MongooseError: Operation `therapists.find()` buffering timed out after 10000ms

I have seen this issue published in a few places however I still don't have a solution. I am using a node server and can connect to my database correctly with a

Shard key with mostly even distribution. How to handle outliers?

I'm learning about sharding approaches. How to achieve good horizontal scalability with a large number of shards in an IO-heavy application. Below I describe a

koa doesn't render a page (404) after mongodb request

I am trying to render a page with something I load from MongoDB: router.get('/messages', async (ctx, next) => { await MessageModel.find() .then((resul

How to create a test Unit method for a get request that fetches Data from Database(MongoDB)?

Get request method in tasks.js file const { Task } = require('../model/Tasks.js') const asyncWrapper =require('../middleware/async') const getTask = asyncWrapp

How to use ArrayFilter with $push to insert sub document

We have a requirement to insert to the sub array when sub array contains some value, but I get an error when using push with arrayFilter: fail to run update: w