Category "mongodb"

MongoError: connect ECONNREFUSED 127.0.0.1:27017

I'm using NodeJS wih MongoDB using mongodb package. When I run mongod command it works fine and gives "waiting for connection on port 27017". So, mongod seems t

Mongodb: mongodump collections that their names contain a path separator '/'

I have a database with a lot of collections that have '/' in their names. The problem is mongodump will fail in this circumstance. Failed: "CollectionNameWith/

How do I seed a mongo database using docker-compose?

I am trying to distribute a set of connected applications running in several linked containers that includes a mongo database that is required to: be distribut

MongoDB $or query

I run following query in mongo shell: db.Profiles.find ( { $or : [ { "name" : "gary" }, {"name":"rob} ] } ) It just returns nothing as expected(JSON)?

Multiple endpoints Graphql

Im working on a project that displays a list of .xml and .txt files on a web browser. Using a MERN Graphql stack, is it possible to have two different endpoints

MongoDb authentication failing on accessing database while using docker?

I have been trying to setup password to mongodb My docker-compose file is version: "3" services: mongo: image: mongo ports: -

Performance penalty when using fluent interface

I am an absolute beginner when it comes to MongoDb. Just joined a new project where it is used, so I tried to do few experiments to get myself familiar. I got t

Cascade style delete in Mongoose

Is there a way to delete all children of an parent in Mongoose, similar to using MySQLs foreign keys? For example, in MySQL I'd assign a foreign key and set it

Memory leak with Mongo Java Connection

I am constructing MongoClient Connection in the below manner : public static synchronized MongoClient getInstance(String mongoDbUri) { try {

Mongodb - Mongoimport error invalid character

I tried to import a simple json file using mongoimport and i get the following error PER-MacBook-Pro:/AJ$ mongoimport --db test --collection samplePM --file /

MongoDB - Error: document must have an _id before saving

I've been struggling so much with this project. I am following a tutorial that is out of date in some areas, for instance their version of Jquery used a totally

Mongoose: Get full list of users

I have tried to use Mongoose to send the list of all users as follows: server.get('/usersList', function(req, res) { var users = {}; User.find({}, fun

Getting error while running the aggregate method of MognoDB

I am getting the following error while joining two collection and project the fields using MognoDB. Error:: Error: command failed: { "ok" : 0, "er

How to read a specific key-value pair from mongodb collection

If I have a mongodb collection users like this: { "_id": 1, "name": { "first" : "John", "last" :"Backus" }, } How do I retrieve name.first from

mongodb set field value using if else during document update

Is there a way in mongodb to use if/else to set a field value during an update. i know that i can use find, to return documents, loop over them, and do if/else

mongodb update/upsert that adds data to the existing document instead of replacing data in an existing document

I am using an upsert using mongodb's Jensseger PHP library. Every time I add new data to the document it updates the value of the field if the field names are

MongoSocketOpenException - trouble with connecting to MongoDB

This is my first time trying anything with MongoDB, so I would love any tips if you guys have any, but in particular, Im having trouble establishing a connectio

Performing a HTTP POST request in Node with MongoDB/Mongoose?

I have defined my schema, I just need to know the syntax to do the actual HTTP POST request. I am using MongoDB with Mongoose framework. This way when I go to m

MongoDB: Find the minimum element in array and delete it

I have a documents in MongoDB, one of them looks like this: { "_id" : 100, "name" : "Something", "items" : [ { "item" : 47, "color" : "red"

Specify raw aggregate request with Spring Data Mongodb

I write a big aggregate query for mongodb, now I try to translate it in Spring Data Mongodb API, and it's very complicated, and spring data api did not help me