I have a list of documents that looks like this: _id: ObjectId('63c6a4b858612f44f37d4771') type: "TypeA" priority: 1 _id: ObjectId('627279d3ba7aef5d6418c867') type: "TypeB" priority: 2 The type here is unique so I can't have two documents with the same type. Now I want…
I have collection like below named as "FormData", { "_id": ObjectId("5e3c27bf1ef77236945ef07b"), "eed12747-0923-4290-b09c-5a05107f5609": "20200206", "bd637691-782d-4cfd-8624-feeedfe11b3e": "[email protected]" } I have another collection named as "Form" which will have Title of Fields, { "_id": ObjectId("5e3c27bf1ef77236945ef07b"), "Fields":[ { "FieldID": "eed12747-0923-4290-b09c-5a05107f5609", "Title": "Phone" }, {…
I would like to remove all collections except a list. db.getCollectionNames().forEach(function(n){db[n].remove({})}); will remove all collections. db.getCollectionNames().filter(function(collection){return! /^((keepthisone)|(andthisone)|(alsokeepthisone))$/.test(collection)}); will list all the collections, except the ones I want to keep. How do I combine the two? db.getCollectionNames().filter(function(collection){return! /^((keepthisone)|(andthisone)|(alsokeepthisone))$/.test(collection)}).forEach(function(n){db[n].remove({})}); Does nothing.
I am trying to update the like count of job posts in my application using the $inc operator and the findByIdAndUpdate method from Mongoose. The correct document is being retrieved and returned but the like count for the job post…
I have a collection "product_reviews" with this document structure { _id: 'B000000OE4', 'product/title': 'Working Class Hero', 'product/price': '16.99', reviews: [ { 'review/userId': 'unknown', 'review/profileName': 'unknown', 'review/helpfulness': '2/3', 'review/score': '4.0', 'review/time': '27/05/1999/00:00:00', 'review/summary': 'Worth it for one song', 'review/text': "I really…
How can I get all the sum of fields in an array in Mongoose? I want to sum up all the amounts in the payments array. DB: [ { "_id": 0, "name": "shoe", "payments": [ { "type": "a", "amount": 10…
Problem: I need to only update one document in the spots available array that has an id of "empty". My previous query was updating all matching sub documents with "empty" as the id; which is no good Example Below. So…
I need to change a specific nested sub document field in the document status to true or false, I know my schema is more nested but i don't have any other option this is my document model { "_id":"63b3b4024" "name":"dev"…
A collection called bookstore is as below (sample 2 documents): [{ "bookname": "hi", "orders" : [ {"rate" : 1}, {"rate" : 2} ] }, { "bookname":"hello", "orders" : [ {"rate" : 3}, {"rate" : 2}, {"rate" : 5} ] }]…
I am getting error in my code that [nodemon] app crashed - waiting for file changes before starting... Mongodb is running in my pc. app.js const express = require("express"); const app = express(); app.use(express.json()); const product = require("./routes/ProductRoutes"); app.use("/api/v2", product);…