I created a time-series collection using MongoDB database, and I expected the data to be automatically deleted after 2 minutes, but it did not happen. I checked the database and found that the data still exists. I created a time-series…
Below is my frontend code i have to submit a post request from react. const { name, email, message } = greeting; const payload = { name: name, email: email, message: message, }; console.log(payload); fetch('http://localhost:8080/greetings', { method: 'POST', mode: 'cors',…
I want to mark a as turf booked or not using put request. I am unable to update the data. I am using .save() method to update the data. app.put("/turf/:turfId/day/:dayIndex/time-slot/:timeSlotId", async (req, res) => { const tid = parseInt(req.params.turfId); const…
I've been trying to extract one record each 1 hour from a collection with 1 record each 10 seconds on the datetime (Date). The document is like this: datetime: 2021-11-26T15:08:20.000+00:00 owner_id: "INTERNAL" motor_id: 24 The datetime document field is Date()…
I have a database that has a structure to this. I've updated the values clearly, but the idea remains. I'm trying to essentially find the refresh token and update it with a new token. Here is the database structure sample…
I want to merge two projects: one for the React frontend and the other for the NodeJs Express backend. I am using Android Studio to preview my front-end application on a phone emulator. I am not sure if you have…
I want to segment data based on a geographic area by following this guide by MongoDB, to make an application globally accessible with low-latency. The data should be segmented by using the shard key { country : 1, userid :…
I have a collection in mongo having nested embedded fields. How do I get operate on a field that are within another embedded field. Here is a sample from my collection. I have to find Q: Display the baseFare for…
Below is a block from my aggregate query, { $addFields: { destinations: { $filter: { input: "$destinations", cond: { $and: [ { $or: [ { "$$this.reported_at": { $exists: false } }, { "$$this.reported_at": { $eq: null } } ], },…
I have a MongoDB collection like this: [ { "_id": 1, "price": 1 }, { "_id": 2, "price": 2 }, { "_id": 3, "price": 3 }, { "_id": 4, "price": 4 }, { "_id": 5, "price": 5 }, { "_id":…