Category "mongodb"

Transform the mongoDB data into multiple collections and restore to new server

Problem: want to replicate mongodb data across servers but also like to alter a few attributes before to restoring. Server 1 (DB) -> Transform data of collec

How to have a sequence status in NoSQL without transaction

This question is only for understanding purpose. This might be a noob question. Assume that I have a tabular or document NoSQL database which do not support tra

How to have a sequence status in NoSQL without transaction

This question is only for understanding purpose. This might be a noob question. Assume that I have a tabular or document NoSQL database which do not support tra

How to filter data in collection containing documents with 3 level nested arrays depending on the values in the first and last nested array mongo

I appreciate any help in such case. Collection in MongoDB (now only 4 documents for demonstration purpose): { "_id" : ObjectId("62684847e9594c65cbaa5d85

C# MongoDB Guid Array

I have a document that is represented using this class public class UnitDocument { [BsonConstructor] public UnitDocument(Guid id, string allocId, Guid[]

MongoDb can't use types in jest - declares ... locally, but it is not exported

I use the mongodb library in TypeScript for a few functions (e.g. lambda functions but that should not matter). The imports look like that: import { ObjectId, D

Update indexes mongodb using Spring

Does someone know what Spring application properties need to be specified so that the index is overwritten (if already been created) with new parameters. For ex

Adding an image while using mongoose Schema

How can I add an image to my mongodb when using the mongoose.schema in JS? const chequeSchema = new schema({ chequeImageUri: { type: Image, req

MongoDB how to update an object property in nested array

I have the following structure in my MongoDb where I have a topic object inside of a topics array. Within the topic object, I have a messages array. What I am t

No environment variables with Next.js TypeScript Custom server

I am currently building a next.js app for a course at uni. I want to run a script when the development server starts that performs some API calls to update the

mongodb command very slow

I have 3 documents like this: { _id: ObjectId("..."), _details: { _session: ObjectId("example_1"), }, { _id: ObjectId("..."), _details: { _session: Obje

Aggregate Pipeline to exclude collections from db.watch() MongoDB

I am using MongoDB's changeStreams to watch for changes in my database. My database has 17 collections. I'd like to watch every collection for changes except fo

Update a value in a nested field?

user :["id": 1, userObj:[{"bookid": 1, "library":"Oxford", "taken":true}, {"bookid": 2, "library":"Cambridge", "taken":true}]] I would like to update the value

Using C# LINQ with MongoDB Find

I am only about 3 days into using MongoDb and C# driver so be gentle. ;-) I have a MongoDB query working with AsQueryable. I would like to use the collection.Fi

meteor How to use upsert | Exception while simulating the effect of invoking ” TypeError: Cannot read properties of undefined (reading ‘_id’) react.js

I’m having trouble with upsert with meteor.js. I could update questions finely with the below codes but I won’t be able to insert new data. file in

how can i get the specific info about a user

i'm working on a web app in which a user can create an address when logged in, how can i get the current logged in user address which was created by the user th

MongoDB Connect train routes

I have a collection of train routes that contain some "connecting" data. For example I have a source and destination field that looks like this { "source": {

How to join three (multipe) collections with $lookup in mongodb?

How to join three (multipe) collections with $lookup in mongodb? Hi I am looking to join data from three collection users collection: [ { _id:0, name:"abc", pho

Problems with same query in mongoid rails db but different parameters

I’m using mongoid gem ’mongoid’, ’~> 7.2.4’ (mongoDB 3.6) with rails (5) and I have a database with customer collections and bi

Mongo Restore fails to restore time series collection with the same name

I have a timeseries collection in mongodb liveSamples collection, I'm trying to dump some documents from this collection and then restore it later with mongores