I am trying to query my database like this const Admin = require("./model/Admin"); module.exports = { validateUser : (uName, pwd) => { mongoose.connect("mongodb://127.0.0.1:27017/TeamDK") //console.log("Uname: " + uName + ", Pwd: " + pwd) res = Admin.findOne({ initial: "tt" }).exec() }…
I am trying to create user login and sign up in NodeJS with mongoDB, but in login module i am getting this error - existingUser = await User.findOne({email: email}); ^^^^^ SyntaxError: await is only valid in async functions and the…
Trying to condense an array with key value pairs into an array of objects with the key and all the unique values for that key. I have a structure like: { fruits: [ {fruit: apple, type: gaja}, {fruit: apple, type:…
The reason I am asking is, I have a resource-intensive collection that degrades performance of its entire database. I need to decide whether to migrate other collections away to a different database within the same cluster or to a different…
I am trying to find the max of a value in a range of dates. The aggregate query I use has a match on indexed column _id. But the query takes too long and the explain plan tells me its…
I have some data in a MongoDB collection that looks something like this: db.test.insertOne( { "interactions": [ { data: "keep", prompt: "prompt 1" }, { other: "keep", prompt: "prompt 2" }, { field: "no prompt" } ]} ) I want…
I am trying to pre save and hash password with bcrypt in mongoose in my next.js project, but password still unhashed. i tryed every link in stackoverflow and didnt solve it, the password still saved unHashed. mongoose version: 6.9.1 this…
How to stop a mongodb changestream temporarily and resume it again? public Flux<Example> watch() { final ChangeStreamOptions changeStreamOptions = ChangeStreamOptions.builder().returnFullDocumentOnUpdate().build(); return reactiveMongoTemplate.changeStream("collection", changeStreamOptions, Example.class) .filter(e -> e.getOperationType() != null) .mapNotNull(ChangeStreamEvent::getBody); } I'm trying to create a rest endpoint that should…
I have an aggregation pipeline that groups objects and holds count for some specific field for grouped objects. You can reproduce the problem here: https://mongoplayground.net/p/2DGaiQDYDBP . The schema is like this; [ { "_id": { "$oid": "63ce93ffb6e06322db59fdc0" }, "fruit": "apple",…
i have a document like this { _id: ... deletedAt: null history: [ { _id: ... name: ... deletedAt: null }, { _id: ... name: ... deletedAt: null }, ] } after saving a document i want to return the…