All Questions
Tagged with mongodb-query arrays
816
questions
0
votes
1
answer
35
views
Mongo How to get only available documents by date
I have documents that associated to students:
[
{
'_id': 1,
'name': 'Anna',
'vacation_start: '2024-01-01',
'vacation_end': '2024-01-03'
},
{
'_id': 2,
'name': 'Bob',
'vacation_start: '2024-01-01',
'...
- 481
1
vote
1
answer
62
views
MongoDB $lookup on multiple conditions: join with empty array field
I have two collections,inf and data.
inf sample:
{
"_id": {
"$oid": "662bb5218bd38ee73cd579f0"
},
"point": 12,
"code": "bc010",
...
- 79
0
votes
1
answer
33
views
MongoDB - Convert response into array of object in query
I wrote a simple query in MongoDB to get all data related to the product ID. Now I want to convert my response into an array of objects. Please see below.
Query:
db.collection.find({ "product_id&...
0
votes
1
answer
34
views
Update a Column of a Matrix where each MongoDB document is a Row
I'm storing matrices in MongoDB where each document is a row of values. Example of two small matrices but assume there are thousands of rows and columns:
[
{ matrix_id: 123, row_id: 0, values: [1, 2,...
- 15.3k
0
votes
2
answers
27
views
Querying for deeply nested subdocuments in Mongoose
I've been having trouble trying to query for a deeply nested subdocument while using Mongoose.
My DB structure is like this:
{
"_id": "662aa6ccae109745e30dc664",
"...
- 3
0
votes
0
answers
43
views
Populate Array object using typegoose
I have following structure in typegoose. How do I populate role based on RoleId as it is inside array?
export class PermissionBase {
@prop()
permissions?:
{
roleId?: Ref<Role>;
...
- 3,589
1
vote
2
answers
41
views
MongoDB - Update a field based on another field within the same doc in the array
I have a collection of data like this:
{
"items": [
{
"product": {
"name": "prod1",
"price": {
"...
- 188
1
vote
4
answers
63
views
How to sort by the smallest value from multiple fields?
I have list of mongo documents
[
{
"created_at": "2024-03-15T18:11:18.687",
"updated_at": "2024-03-15T18:11:28.945",
"fields": {
&...
- 71
-1
votes
1
answer
39
views
mongo db conditional update, push data
I have a MongoDB database structured as follows:
{
accountName: "pippo",
whishList: {
element1: [
{ price: 25, time: '2024-02-20T20:00:00.000+00:00' },
...
2
votes
1
answer
38
views
MongoDB - Add array elements
When I am trying to run:
{$push:{"Training_to_Attend":["Python","DBMS"]}
My output is
"Training to Attend" : [ [ "Python", "DBMS" ] ]
...
- 21
1
vote
1
answer
61
views
Updating object in deeply nested arrays mongoose
{
"_id": "659e76b929be316e566cdc36",
"main_array": [
{
"_id": "659e76b929be316e566cdc39",
"sub_array": [
[
...
- 483
-4
votes
1
answer
56
views
Fetch details from arrays in mongodb
I have imported details about a YouTube Channel to mongodb and i am trying to get the details of YouTube Channels Video.
Say I am trying to get the "VideoDetail"-> Video_Id -> ...
0
votes
1
answer
134
views
How to upsert multiple object by array in JS?
I have an array with an objects from which for each object i need to find if some key exist then it should update or else insert. I have done this from for loop but problem is i have approximately 20L ...
- 590
0
votes
1
answer
44
views
MongoDB query to transform documents
I have the documents structured in MongoDB 6.0 as below:
[
{
"_id" : ObjectId("6555a7d7c2d9de74abb09de8"),
"tagName" : "tag1",
"...
- 1,065
0
votes
1
answer
29
views
How to get intersection data of a field from multiple Mongodb document's field's data. Want a Mongo aggregate Query which I can add in my query
I am already using a Mongo db Aggregate Query to get a array of output.
email will be the array of emails as input in the query.
**aggregateQuery** = [
{
'$match': {
'email': {
...
- 23