I'm inserting these documents: db.users.insert({user1: 'a',user2: 'b'}); db.users.insert({user1: 'b',user2: 'a'}); db.users.insert({user1: 'c',user2: 'd'}); db.users.insert({user1: 'd',user2: 'c'}); Please note that user1 and user2 are actually ObjectId, but I'm writing them as single char to better explain the issue. I need to…
app.post ('/create_contact',function(req,res) { contact.create({ name :req.body.name, phone:req.body.phone },function(err,newContact) { if(err){console.log('error in creating a contact!'); return;} console.log('********',newContact); return res.redirect('back'); }); }); Errors: throw new MongooseError('Model.create() no longer accepts a callback'); ^ MongooseError: Model.create() no longer accepts a callback I tried this…
How can i get sorted data in array by "name" in categories where '_id = 63fe948a22009cbbba53b905'? My sample data: { "_id": "63fe948a22009cbbba53b905", "options": { "sort": "manual" }, "categories": [ { "priority": 0, "options": "manual", "name": "Nazwa 1", "_id": "63fe8cc76d50062ae1f53821" },…
I have a document with an array field named items. This is an optional field and not always set within the document. So this could either be undefined, empty array, or contain an array of id numbers [1, 2, 3].…
I have written a MongoDB query that looks like this: db.collection.aggregate([ { $group: { _id: null, categories: { $addToSet: "$category" } } }, { $project: { _id: 0, categories: 1 } } ]) but the result is: [ { "categories":…
Consider: app.get("/posts/:postId", function(req, res) { const requestedPostId = req.params.postId; Post.findOne({_id: requestedPostId}, function(err, post) { res.render("post", { title: post.title, content: post.content }); }); }); This is what used to work for me, using Express.js and Mongoose. How can I fix it?
I have this document. { "_id": "1", "name": "KP", "points": 20 }, { "_id": "2", "name": "Josh", "points: 30 }, { "_id": "3", "name": "Angelo", "points": 50 } How do I get the sum of all fields (should be 100)…
I have a MongoDB Collection with objects of type: { id: 1223 items: [{ length: 12.233333, }, { length: 4.2323232323232, }] } How can I update the length of each item by rounding to 2 decimals.
I have a list called collectionList, and I am wanting to go through the object list and see if a document in my mongodb collection exists. If it doesn't exist, then it will create a new document for that list…
mongod {"t":{"$date":"2023-03-01T16:14:48.163+00:00"},"s":"I", "c":"NETWORK", "id":4915701, "ctx":"-","msg":"Initialized wire specification","attr":{"spec":{"incomingExternalClient":{"minWireVersion":0,"maxWireVersion":17},"incomingInternalClient":{"minWireVersion":0,"maxWireVersion":17},"outgoing":{"minWireVersion":6,"maxWireVersion":17},"isInternalClient":true}}} {"t":{"$date":"2023-03-01T16:14:48.167+00:00"},"s":"I", "c":"CONTROL", "id":23285, "ctx":"-","msg":"Automatically disabling TLS 1.0, to force-enable TLS 1.0 specify --sslDisabledProtocols 'none'"} {"t":{"$date":"2023-03-01T16:14:48.181+00:00"},"s":"I", "c":"NETWORK", "id":4648602, "ctx":"thread1","msg":"Implicit TCP FastOpen in use."} {"t":{"$date":"2023-03-01T16:14:48.185+00:00"},"s":"I", "c":"REPL", "id":5123008, "ctx":"thread1","msg":"Successfully registered PrimaryOnlyService","attr":{"service":"TenantMigrationDonorService","namespace":"config.tenantMigrationDonors"}} {"t":{"$date":"2023-03-01T16:14:48.185+00:00"},"s":"I", "c":"REPL", "id":5123008, "ctx":"thread1","msg":"Successfully registered…