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1 answer
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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,...
aneroid's user avatar
  • 15.3k
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0 answers
244 views

MongoDB BEanie ODM - Get all Documents linked to a Document

I have a Many to One relation, no BackLinks, if I have a Document, how, can I get all Documents linked to it? I tried the following, but I just get an empty list back []: import asyncio from models ...
Ayato-Stack's user avatar
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0 answers
102 views

MongoDB fuzzy text search or simple sorting but always with pagination token

My question is: what is the best practice for querying a MongoDB when you need to do either a fuzzy text search and sort by search score, or do an unfiltered query that sorts by a property, but both ...
jzacharuk's user avatar
  • 2,098
0 votes
1 answer
40 views

How do I query the "expiryDate" field within an array of objects when the objects do not have a field name?

I'm working with a JSON file containing objects structured like this: [ { "_id": { "$oid": "65143f76653355483f68981d" }, "date": "2023-09-27"...
Unknownzdx's user avatar
1 vote
1 answer
49 views

MongoDB - How to delete documents which included in a list

I want to delete documents from a collection which are not included in a list with Python. All documents have a title field, and I have a list of the titles. The list of titles is like below: titles = ...
boketeボケて's user avatar
0 votes
0 answers
165 views

Mongodb: how to make task queue system and find/update_many in 1 query?

python: 3.9.17 pymongo: 4.5.0 OS: Ubuntu 20.04 server (one of): Intel(R) Xeon(R) CPU E5-2695 v4 @ 2.10GHz 72 cores I am creating an app where users send tasks on high load (around 300 tasks per ...
sirjay's user avatar
  • 1,713
0 votes
1 answer
54 views

Mongo DB .find_one(query) doesn't find results

I am trying to check if a user exists in my database based on the contact information (name, surname, email) that I have retrieved from data. I know that this information exists in my database but for ...
Isabelle's user avatar
1 vote
1 answer
37 views

Insert if it doesn't exist, update based in ADDITIONAL condition [mongoDB]

I'm creating a sync system in which I have the following type of data: records = [ {'_id': 0, 'name': 'John', 'sync_date': '2022-01-01 00:00:00'}, {'_id': 1, 'name': 'Paul', 'sync_date': '...
Antoniou's user avatar
  • 155
0 votes
0 answers
69 views

Decoding a binary-like object back to the original string

I'm using python and mongodb. I have the following string example: hash = 'Z0pQ5dJos8Lz8USN/5P955P7228eW1BDPieuX+AgqvI=' I want to wrap it into BinData type in mongo, so I do the following: self.db....
Sonya  gold's user avatar
0 votes
1 answer
36 views

Improve MongoDB query in Python

I have a MongoDB database including hiking trails that I visualize in a Jupyter Notebook. Each trail has a start and destination and includes a timestamp when it was updated. So there are multiple ...
Robbert's user avatar
  • 139
-3 votes
1 answer
74 views

MongoDB 10m search documents

How can I optimize mongoDB search if I have 10+ million documents in one collection? If anything, please, don't advise me to switch to mysql. I need mongodb specifically For example one of the logs { ...
grenor's user avatar
  • 11
0 votes
0 answers
175 views

How can I filter by date range in mongo db with python?

I have a mongodb database for a python and fastapi web application. The data stored in the collection has the following structure: [ { "_id": "6457dc8740f35d494c0c76a4", &...
Diego L's user avatar
  • 816
1 vote
1 answer
84 views

asyncio+pymongo two cursors parallel iterate not working

My goal is to query data from two mongodb databases, src and dst, but the time-consuming of the following two writing methods is the same. Is there anything wrong with me? 1.The src and dst query ...
yuancheng hu's user avatar
0 votes
2 answers
361 views

MongoDB find: Query a field which has a nested dictionary structure

I have a collection which has one of the fields in it as a nested dictionary. Sample: { "_id": ObjectId(""), "family_member": { "mother":{ "...
sinhyperbolica's user avatar
0 votes
1 answer
30 views

Add New Field to MongoDB Collection Array Based on Existence of Another Field in Array Using Aggregation

I have a document in collectionA of the following format: { "_id" : ObjectId("641893db137e63c5d6940f68"), "summaryId" : 20, "actions" : [...
wheeliea's user avatar

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