I have the following document type: { "_id": 1, "_a": [ { "_aId": { "CC": "CA" }, "_p": [ { "_pId": { "CC": "CA", "SN": 1 }, "s": { "c": { "t": [ { "sId": 1, "language": "CA", "format": "A4"…
I use semi-code here just to show my intention of whats going on in code and not complicating things here in the question. I have a main.go file that calls a method that connects to mongoDB database: mStore := store.NewMongoStore()…
A non-distributed database has many posts, posts have zero or more user-defined tags, most posts have the most_posts_have_this tag, few posts have the few_posts_have_this tag. When querying {'tags': {'$all': ['most_posts_have_this', 'few_posts_have_this']}} the query is slow, it seems to be iterating…
I have a MongoDB collection in the form of: users: { { user_id: 1000, activities: [ {id: 1, activity: 'swimming'}, {id: 2, activity: 'running'}, {id: 3, activity: 'biking'},... ] },... } and I want to get the activity document that…
my data strucutre look like this: Teams: { name:"team1", users:[ { age:45, licence:true }, { age:70, licence:false } ] }, ..other teams.. I want to return teams with at least one person = 70years old who has licence. My current…
I am creating a DjangoRestful app that uses SimpleJWT for authentication. When I try to add the Blacklist app and make migrations. i.e: py manage.py migrate as suggested in the documentation, I get the error below: Operations to perform: Apply…
Trying to install mongodb for ubuntu and can't solve the issue. I got lost, need your help please! Going according the docs: https://www.mongodb.com/docs/master/tutorial/install-mongodb-on-ubuntu/ wget -qO - https://www.mongodb.org/static/pgp/server-6.0.asc | sudo apt-key add - Result (CLI output): on mine ubuntu: Warning: apt-key…
I had a problem when I tried to use forEach that contained await inside the loop, so I need to define the async in front of the forEach loop and it returned the error. exports.filterAverageRatingsEachSkillForStudent = async (req, res) =>…
I want to return the title and _id properties of each element in my trips array of a user's document. I am attempting to use the aggregate pipeline but its my first time and the docs are overwhelming. It seems…
Need some help with this, been stuck for hours. Trying to iterate through an array of objects in node to grab one of the key's value and perform a regex function. I keep getting undefined reading errors, the latest one…