Questions tagged [mongoose]
Mongoose is a MongoDB object modeling tool, or ODM (Object Document Mapper), written in JavaScript and designed to work in an asynchronous environment.
mongoose
46,892
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OverwriteModelError: Cannot overwrite AddOnsDatabase model once compiled. [Typescript]
Im using nextjs
i keep getting the error
OverwriteModelError: Cannot overwrite AddOnsDatabase model once compiled.
to fix this error i am using the OR operator to check if the model already exists
...
-3
votes
0
answers
10
views
How to set relation between post and author schema in mongodb , I have to save post created by particular author so that I can fetch easily later
const mongoose = require("mongoose");
const Schema = mongoose.Schema;
const postSchema = new mongoose.Schema({
title: {
type: String,
required: true,
},
...
-1
votes
0
answers
14
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Check if string contains any item of array in mongoose find query [duplicate]
I'm trying to find entries where the title field contains any item of an array.
Here is the relevant part of my schema:
const blogSchema = mongoose.Schema({
title: {
type: String,
required: ...
- 19
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answers
37
views
I can't import my User model on my new service files, it says undefined
I have an express.js application. It contains several models and the User model is one of them.
When I tried to import the User model in my new service files, I got 'TypeError: Cannot read properties ...
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0
answers
22
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issue with connecting mongodb through mongoosejs
so I'm using this type of code to connect to mongodb - github link to code
const mongoose = require('mongoose')
cosnt s = "my connection url"
mongoose.Promise = global.Promise
...
0
votes
1
answer
30
views
Mongodb aggregate multiple collections super slow
New to Mongo so bare with me, but cannot figure out best (fast) solution.
I have three different collections: Shipments, Tracking, Messages
I'm trying to join two simple fields from the Tracking and ...
0
votes
0
answers
16
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how to re-validate the only card that a change has been made to it without reloading/revalidate the whole page
I have this component that renders <CardsList/> which is a <ul> and inside it I'm rendering many of <li> called <BeanCard/>:
import { getBeans } from "@/API/apiBeans";...
- 119
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24
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Switch the Database of the default mongoose connection
In trying to limit the number of connections in my web application I switched from using mongoose.createConnection() to mongoose.connect()
Which works perfectly if your only ever using one database. ...
-1
votes
1
answer
47
views
Store object array of product size and colors in mongo DB
I need to store object array of product size and colors.
Is it possible in mongo DB.(Because in ms sql it is not allowed).If so how the schema should be?.Sample object structure is shown below
{
color ...
- 25
-1
votes
1
answer
36
views
How to remove data from mongo dab using $pull operator
i am new in the field mern stack and i want your help to remove to remove comment from User data which is equal to Post data comment
Post Data: {
_id: new ObjectId('66985b5774dd3a87fd1be9d4'),
...
0
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0
answers
28
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Scaling mongodb for a social media feed
Are there limitations to how much mongodb can scale when it comes to querying millions of documents.
I'm designing a social site, similar to twitter where users will have a chronological feed of posts....
- 21
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votes
2
answers
23
views
How do I use the find() method to query a mongoose schema with an enum field (can hold multiple values (array)) that includes a particular value?
I have this schema:
const User = new Schema({
firstName: {
type: String,
required: true
},
lastName: {
type: String,
required: true
},
mobile: {
...
- 119
0
votes
1
answer
53
views
Query MongoDB documents for a particular date range [duplicate]
I am trying to query documents based on particular date range. So I need all the documents where the createdDate is less than equal to current date and greater than equal to currentDate - 2.
I am ...
-1
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0
answers
56
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Mongoose doesn't create new document [closed]
I'm trying to create a new document. This is the function in the API router (using express.js)
mongoose
.connect('mongodb://localhost:27017/name')
.then(() => {
console.log('Connected to DB ...
- 61
0
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1
answer
37
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Is there a way to change a field from an array to a single element in a mongodb query
I am trying to query my DB on a collection but I have some field that I would like to change from an array of objects to a single object that have been picked up randomly from the array. is this ...
- 3