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Questions tagged [embedded-documents]

95 questions
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PHP: MongoDB projection on embedded document array with positional operator

I want to retrieve a specific array from embedded document on matching base but either the output is displaying all arrays in that document not a specific one or displaying just the first array.... this is my code please have a look and answer this…
Iram Chauhdri
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Return Array from Embedded document

I have a data like in mongodb collection name property. { "_id": "593a3d828e2ef100d1496e77", "feature_type": "house", "features": [ { "name": "h1" }, …
manoj
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AND operator in MongoDb Not retrieving proper data when Querying with ObjectId

I'm trying to retrieve documents which can satisfy all the conditions in this query from a embedded document in an array.It's retrieving documents of any of the condition satisfied. db.getCollection('CollectionName').find( { $and: [{…
Rishi
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Delete item from 2nd level embedded document

I have a collection of users, which have locations, which have some api keys. { "_id" : ObjectId("5864d5e2962d747913577cc1"), "username" : "george", "usernameCanonical" : "george", "email" : "george.something@gmail.com", …
George Ploscaru
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How to add additional fields to embedded documents without changing the original model

I want to add extra properties to a document before embedding that into other document, but I don't know how to do that. Here's my code and what I have tried so far: from mongoengine import * from datetime import datetime class User(Document): …
Rohit Khatri
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Error executing a mongodb query with cursor.min with embedded documents

In my collection there are documents like this { "_id" : 112, "name" : "Myrtle Wolfinger", "scores" : [ { "type" : "exam", "score" : 73.93895528856032 }, { "type" : "quiz", "score" : 35.99397009906073 }, { "type" : "homework", "score" :…
provola
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Searching for a value in an array using PHP

I have a list of users in my mongodb database, which can then follow each other -pretty standard. Using php I want to check if a specific user is following another user. My data looks like this. array ( '_id' =>…
Joe
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MongoDB - extract embedded document with query

I have a collection with documents like the following: { name: "Johann", surname: "Esburg", jobs: [ { "profession": "chef", "salary": 1000 }, { "profession": "gardener", "salary":…
tano
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MongoDB Schema Redesign with existing data

I have around 200 000 Object names and 20 roles and 500 users. Roles are categorized as admin,domain1,domain2,domain3,domain4..domain 20 Some roles (domain1,domain4 ) can only access to 5 object names and some other roles have access to 500-20…
Root
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Updating a multilevel embedded document in MongoDB

I am trying to update a multilevel embedded document in MongoDB using dot notation and the $ operator. Below, I have a collection composed of one document: { "_id" : ObjectId("55da48520549875d8480707c"), "queried" : [], "field" : "materials…
Christian Lau
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mongodb mongoengine filter document on nexted EmbeddedDocumentLIst fields

I have a document with a EmbeddedDocumentList inside an other EmbeddedDocumentlist, I need to filter the collections retrieving only the documents that have a specified value for a field inside the inner EmbeddedDocumentList the reduced version of…
JcBobo
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Mongoid HABTM relationships across embedded documents

I'm trying to create a Mongoid N-N reference association between two embedded documents in Rails 4 however I'm finding it difficult to get my head round how this is done. I started by adding the HABTM association to the relevant models below (Track…
zenvelope
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How to update array of embedded collection field based on another collection embedded field value in MongoDB?

I've searched in this forum for my below issue and I'm not able to find solution. Inventory collction: { "_id" : ObjectId("555b1978af015394d1016374"), "Billno" : "ABC1", "Device_id" : "strsdedgfrtg12", "item" : [ { "item_id" : 232, …
Root
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$elemMatch on embedded documents

Here is what I am working with: { "_id": ObjectId("53b4402ae1382335c95952d3"), "created": ISODate("2014-07-02T10:23:54.245Z"), "modified": ISODate("2011-11-28T10:06:25.186Z"), "source": [{ "instances": [{ …
user2012481
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Update a complex schema with sub embed document

i m trying to update a sub embed document with mongodb, but does not work. I want for a chapter.id & quest.id given, update the percent of this document (only this one) My schema looks like : { "_id" : ObjectId("54ae5e63e71cef26050fca9a"), …
MouradK
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