skip to Main Content

Mongodb – Model.findOne() is returning null

Model.findOne() is returning null even if the valid collection is present in the respective Model app.post("/fleetManagement", (req, res) => { const requestedDriverID = req.body.driverId; console.log(requestedDriverID); Driver.findOne({ _id: requestedDriverID }, function(err, requestedDriverResult) { console.log(requestedDriverResult); res.render("fleetManagement", { reqDriver: requestedDriverResult }); }); })…

VIEW QUESTION

Mongodb – Upsert many documents based on _id

I need to upsert many documents based on _id. E.g. document_1 = {_id:"1", "age":11, "name":"name1"} document_2 = {_id:"2", "age":22, "name":"name2"} I wrote the below db.my_collection.updateMany( { _id: {"$in":["1","2"] } }, [ {$set: {_id:"1", "age":11, "name":"name1"}}, {$set: {_id:"2", "age":22, "name":"name2"}} ],…

VIEW QUESTION

Mongodb aggregation to find outliers

In my mongodb collection documents are stored in the following format: { "_id" : ObjectId("62XXXXXX"), "res" : 12, ... } { "_id" : ObjectId("63XXXXXX"), "res" : 23, ... } { "_id" : ObjectId("64XXXXXX"), "res" : 78, ... } ... I…

VIEW QUESTION
Back To Top
Search