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Showing posts with the label Mongodb Query

Query On Date For Posts Created The Last 24h

I have this schema with a date for the field 'created_at': var post = new mongoose.Schema({… Read more Query On Date For Posts Created The Last 24h

How To Find Documents With Exactly The Same Array Entries As In A Query

I have documents in a collection, looking like this: [ { userId: 1, itemsIds: [399957190,… Read more How To Find Documents With Exactly The Same Array Entries As In A Query

Object.keys, How To Get A List Of Keys In Mongodb

{ '_id': '1', 'style': '13123', 'category': 'dress'… Read more Object.keys, How To Get A List Of Keys In Mongodb

Using $graphlookup To Traverse A Nested Data Structure In Mongodb

I have the following schema: const MenuSchema = new mongoose.Schema({ name: String, type: Strin… Read more Using $graphlookup To Traverse A Nested Data Structure In Mongodb

Calling Db.system.js Function In $where

As a basic example, I have this function saved: db.system.js.save({_id: 'sum', value: funct… Read more Calling Db.system.js Function In $where

Mongodb: How To Rename A Field Using Regex

I have a field in my documents, that is named after its timestamp, like so: { _id: ObjectId(… Read more Mongodb: How To Rename A Field Using Regex

Mongodb Where Clause

I have mongoDB 'users' collection in JSON format and I want to return all the data having p… Read more Mongodb Where Clause

Aggregate Multiple Arrays Into One Huge Array With Mongodb

I got a collection with documents such as those: { '_id': 0, 'pictures': [ … Read more Aggregate Multiple Arrays Into One Huge Array With Mongodb