Mongo has suddenly stopped working within my Ubuntu 16.04 machine, so I am trying to restart it I' am getting again and again though errors like the below: mongod.service - MongoDB Database Server Loaded: loaded (/lib/systemd/system/mongod.service; enabled; vendor preset: enabled)…
I have 2 collection: Category and book Book: const mongoose = require('mongoose'); // eslint-disable-next-line camelcase const mongoose_delete = require('mongoose-delete'); const { Schema } = mongoose; const SchemaTypes = mongoose.Schema.Types; const Book = new Schema({ name: { type: String }, price:…
I have a document that looks like this { "_id": { "$oid": "6187e5fa4ebcc2db6c86081f" }, "publicId": "S23DCL", "flights": [ { "name": "f1", "_id": { "$oid": "620026293fc350024da614dd" }, "wines": [ { "id": "1", "name": "wine1" }, { "id": "2", "name": "wine2" }…
I am trying to get the 100 documents from my DB based on the sum a few fields. The data is similar to this: { "userID": "227837830704005140", "shards": { "ancient": { "pulled": 410 }, "void": { "pulled": 1671 }, "sacred":…
I have this code here: pub struct Account { #[serde(rename = "_id", skip_serializing_if = "Option::is_none")] pub id: Option<ObjectId>, pub email: String, } And I want to change "ObjectId" to String so I can use Ulid.
I am using mongodb and I am having challenges saving. My Schema is const transaction = new Schema({ sender: { type: ObjectId, default: null, transaction_type: { type: String, enum: transaction_types, default: null } }, recipient: { type: ObjectId, default: null,…
Questions are How many products have a discount on them? How many "Water" products don't have any discount on them? How many products have "mega" in their name? How many products have discount % greater than 30%? Which brand in…
I just want to update the top 2 highest fields in the database. db.Employee.update({ db.Employee.find().sort({ Age: -1 }).limit(2) --This part here wont work-- }, { $set: { Benefits: ["Vacation", "Rolex"] } } ) Apparently MongoDB does not support such ability.…
query := bson.M{ "nombre": bson.M{"$regex": `(?i)` + search}, // me va a buscar los nombres que contengan search } I had this code to do a search in my DB where I have name and surname. I want this query…
I am still new to Node JS. I am trying to make a book directory using Node JS and Mongo DB. Every time I press the delete button to delete a book it shows me this error CastError: Cast to…