Questions tagged [realm]

Realm, formally known as MongoDB Realm, is an object-oriented database widely used as an alternative to SQLite & ORMs that includes a built-in device-to-cloud data sync. Realm supports a variety of platforms including Android, iOS, Linux, macOS, and Windows.

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Replace Realm DB in the an existing Android app with Room DB

We have a 4+ year android application that relies on the Realm DB. We are exploring the possibility to adopt the Room Database going forward. There are a few challenges and queries that need to be ...
Ashwin Srevatsa's user avatar
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Filtering query with BEGINSWITH of Realm database in Kotlin

I am having issues with a query which includes BEGINSWITH (or CONTAINS for that matter). I am trying to follow the example as found in the Mongo Db documentation: This query to find instances of the &...
Ray's user avatar
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In Blockchain, who or what are the nodes in the real word? [closed]

when the blockchain is developed for the agri-food supply chain, who/what are the nodes? do they correspond to the stakeholders of this industry? thus, are the nodes the same as the companies involved ...
Nino Adamashvili's user avatar
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How to get an instances of saved realm objects in my SwiftUI DeviceActivityMonitorExtension point in the background?

I have initialized realm in the init of the @main app point like this: init() { let fileURL = FileManager.default.containerURL(forSecurityApplicationGroupIdentifier: "group.com....
Mohamad Yahia's user avatar
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Polymorphism on Realm (React Native SDK)

I'm new to Realm and hit a bit of a snag when it comes to implementing a polymorphic design on a React Native. Basically, I'm trying to figure out the best way to manage different entities that can ...
Original BBQ Sauce's user avatar
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How to enable admin user of master realm

KeyCloak Admin user of the master realm has been disabled my mistake. How can I enablae it ? Expecting to enable the admin user so that I can login back. Not sure if the user enable is happening ...
Saumitri Behera's user avatar
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How to create multiple realm models in flutter and mongodb realm

I am new to flutter and realm. I have multiple forms in my project and I wanted to know what the best way to create the models is. I am working on a flutter app using the latest realm and flutter ...
Abdirahman Abdullahi's user avatar
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Realm v12.6.2 with React Native v0.73.5, getting link error in iOS build compile

While adding the latest Realm node module v12.6.2, there is a bug from iOS app, linking issue. Please suggest the workaround / solution to this issue. Realm React Native iOS link error - Screenshot ...
K V Siva Prasad's user avatar
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Realm Flexible device sync while client is offline. (React native SDK)

I have a scenario where I need the application user to be able to log in while online. After logging in, the sync should be paused on the client side. The user should then be able to use the app ...
Teacher Tactics's user avatar
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Unable to initialize my MongoDB app since syncrootdirectory is null

I am unable to initialize my MongoDB App as my appfilesdirectory in building the app is null (i.e getting NullPointerException). How would I be able to fix this? I tried updating to the latest android ...
ADAS20's user avatar
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Realm : Generic parameter 'Element' could not be inferred

I'm trying to use "Realm" with a few lines of code found on "stackoverflow". I get an enigmatic compilation error: Generic parameter 'Element' could not be inferred on the line: ...
Rocou's user avatar
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Adding Realm Kotlin as a dependency in an Android Library

I'm trying to add Realm Kotlin to an Android Library module by following the steps outlined here https://www.mongodb.com/docs/realm/sdk/kotlin/install/#add-the-sdk-to-the-project. However I see that ...
margab's user avatar
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Do I need to perform a migration block when updating @PersistableEnum?

I have a realm model setup like this: enum RealmEnumExample: String, Codable, PersistableEnum { case hot, cold, cloudy, rainy } final class RealmExample: Object, ObjectKeyIdentifiable { @...
MagicNova's user avatar
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Is there a size limit for database file in Realm Swift?

My iOS app uses Realm as its local database. Various data generated by the app is saved in the default.realm file. In tests using actual devices, when the size of default.realm exceeds about 6GB, ...
Mac's user avatar
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realm throws error that object was deleted

I need to delete object from realm. But when I do that, it throws an error: Terminating app due to uncaught exception 'RLMException', reason: 'Object has been deleted or invalidated.' Here is my ...
LULULULALLA's user avatar
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How to save records in a multi model Ream database?

I have a project that uses 3 Realm models: Pantry, Department and Market. The Pantry and Department have a 1 to many relationship and the Pantry and Market have a many to many relationship, and all 3 ...
Ray's user avatar
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Getting an error with react native, expo and realm saying " Error: Getting '$$typeof' from binding before it was injected " How do I stop this?

So I am trying to use realm in my expo project, so I did the command npx expo prebuild and got the android folder installed in my project. I runned the code and recieved the error 'Error: Getting '$$...
Advait Singh's user avatar
2 votes
1 answer
134 views

Web Assembly (WASM) errors in a Vite + Vue app using Realm Web SDK

I'm using MongoDB Realm / App Services to make a web front end for an existing iOS app. The standard Realm Web SDK only permits authentication and backend functions, so I am trying to use the preview ...
Chris's user avatar
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Kotlin MongoDB Realm flow collect cannot pass param to query

I'm in stuck. I have Realm database. In viewmodel I receive data as a flow. In Fragment collect it. Problem is when i want to filter / pass a param to realm query - there is no changes. Viewmodel code:...
demogorgorn's user avatar
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Cannot find 'assumeOnActorExecutor' in scope

After install realm i got 4 errors 🙁 I coudn't find a solution any where and here the error message: Cannot find 'assumeOnActorExecutor' in scope See screen shot Help pleaseenter image description ...
Tlili Hamdi's user avatar
3 votes
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Cannot get the updated value in MongoDB realm

I have this function on the server said that updates some values for my user: exports = async function(userId, district){ var userCollection = context.services.get("mongodb-atlas").db(&...
dhaval123's user avatar
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React Native Expo Realm template not working

I am trying to learn React Native with Realm. I installed the default template with: npx create-react-native-app --template with-realm ExpoRealm Then I tried to run it with: npx expo run:android It ...
Shaimaa Mohamed Sabry's user avatar
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Error in Declaring Non-Optional Map Property in Realm Swift Object

I have this realm object with a map property: class UserModel: Object { @Persisted var uploadMap = Map<String, UploadingModel>() } where UploadingModel is another realm object. once I ...
MSm's user avatar
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Removing all rows in a List (with a Realm datasource)?

I'm having problem with my app crashing when deleting all data of a specific type in Realm. The data is made available to the view through a @Published var in my "RealmManager". It looks ...
irrbloss's user avatar
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.Net Realms Assertion failed: !realm.is_in_transaction() turn on backtrace

I'm using Realms on .Net and I get the error The active test run was aborted. Reason: Test host process crashed : D:\a\realm-dotnet\realm-dotnet\wrappers\realm-core\src\realm\object-store\impl\...
Birdalicious's user avatar
1 vote
1 answer
93 views

How can I read data from a Realm Query in Jetpack Compose?

I have a User query with data and I want to retrive the data inside it, but I can't do it, in the console log all it says me is this ,, StandaloneCoroutine{Completed}@55d57e3 " I want to retrive ...
Mihneas22's user avatar
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61 views

Realm Swift : Terminating app due to uncaught exception 'RLMException', reason: 'Attempting to access an invalid object'

I'm new into iOS development, I am using Mongo Realm Swift library in my SwiftUI App. I have 2 classes WhatsNewQuiz and ImageUrlHolder. I am downloading WhatsNewQuiz items from the server and loop ...
Anudeep Ananth's user avatar
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70 views

Realm: @Persisted(primaryKey: bool) migrated from static func primaryKey()

I am in the process of removing all @objc dynamic annotations from Realm objects to use the more modern @Persisted annotation. While it's been good for a lot of the code, I am running into issues, one ...
invalidArgument's user avatar
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Realm Swift Migration: How to see if property/key exists?

I've got a iOS based realm app that has gone through a number of schema changes. For one schema version (version 36), I added a property named "activationStartGameTime" as a swift ...
SuperDuperTango's user avatar
-1 votes
1 answer
34 views

Realm Studio - Durability not consistent

When I open the default.realm file for a flutter app that is currently running on an iOS simulator, I get the messages "Durability not consistent" and "No schema selected". Is ...
Developer Extraordinare's user avatar
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Does Realm use a cached instance when repeatedly instantiating Realm?

I have a Swift & SwiftUI app using Realm for data persistence. In my code, I am instantiating a new Realm instance each time I need to access the database, like this: final class RealmDataManager {...
Yuuu's user avatar
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How to make a wrapper for Realm that won't crash when used on different thread?

I am creating a wrapper for Realm so I can test my app easily with mocks. This is the code: import Foundation import RealmSwift import Realm class RealmStorage: LocalStoring { private static let ...
Bawenang Rukmoko Pardian Putra's user avatar
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1 answer
58 views

Version of Package in Xcode Swift Package Manager

My SPM detail in Xcode says 12.12.0 of RealmSwift is loaded, but when my app accesses Realm, I get the message that 10.46.0 is available. Is that just information or do I misunderstand what Xcode ...
Michael Granberry's user avatar
1 vote
0 answers
44 views

What are the requirements for the reset password page for Realm Mongodb?

I have set up user creation and authentication for a .net maui app using MongoDB and Realm, and it works brilliantly. I am struggling a bit with the reset password function. I have opted to use the “...
Fred Roaldset's user avatar
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Can @Persisted property be also @objc in Realm

Realm database offers, since version 10.10.0, to declare stored properties with @Persisted annotation, replacing the @objc dynamic annotation. The documentation is pretty clear about the transition: ...
invalidArgument's user avatar
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Realm migration in swiftui doesn't get called

Firstly I use shared instance outside SwiftUI let realm:Realm! let container = FileManager.default.containerURL(forSecurityApplicationGroupIdentifier: ProjectSettings.group)! static let shared = ...
Perry Wang's user avatar
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49 views

MongoDB Atlas Device Sync (App Services) - React Native

i am building a react-native-app with MongoDB - App Services as backend. Everything worked fine already, until i added a custom schema object type (User_location). The SDK don't want to accept it. ...
Sven Hager's user avatar
1 vote
0 answers
63 views

Installation problem with Realm in Flutter for IOS platform

We started a Flutter project few weeks ago and want to use Realm for local storage. But it’s not working on IOS simulator or real device. We are using this configuration for Flutter and Dart: Flutter ...
dksr's user avatar
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React Native Realm Migration: Proper way to set value of a property in migration

Hi I am new to realm. I have a Realm Object with a boolean property whose default value set to false (let's call this schema version 1). Person.schema = { primaryKey: 'id', properties:{ working: {...
Ella's user avatar
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162 views

Realm in SwiftUI: Index out of bounds error after delete when using @ObservedSectionedResults

When I add multiple notes and try to swipe to delete them, the app crashes and displays this error message: Thread 1: "Index 3 is out of bounds (must be less than 3)." import SwiftUI ...
Ryo Hamasaki's user avatar
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26 views

Schema validation failed - Mongo db atlas device sync

I want to use the Atlas device sync feature of Mongo DB in my Application. I have modeled a BankAccount class in my Kotlin code like this. open class BankAccount: RealmObject, Searchable { @...
Meet Soni's user avatar
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Realm local data base is very slow when writing and reading big objects/ React Native App Hangs

I am trying to write data in realm that i am getting from a BLE listener. 6000 objects in 10 to 20 seconds i tried to write all the objects in realm but it was very slow and taking much more time so i ...
Hamza Qayyum's user avatar
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34 views

Main app cannot find a pod used by custom shared framework

I have a main app "authenticator" that uses a custom framework "storage". The "storage" use RealmSwift to handle any CRUD functionality and being used by the main app and ...
Bawenang Rukmoko Pardian Putra's user avatar
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18 views

Using Realm, and JavaScript how do I access data in Atlas

I am attempting to incorporate Realm into a mobile app and am able to successfully use authentication: App.jsx ... export default AppWrapper = () => { return ( <AppProvider id={"...
S Roy's user avatar
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1 vote
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Realm documentation says that there is user object which contain flexibleSyncConfiguration method but actually it doesn't exist

below I will try to use user.flexibleSyncConfiguration, but it does not exit , but documentation. says it is, I use latest realm sdk 10.44. What is the issue over here? @MainActor func openSyncedRealm(...
Shashant Bartwal's user avatar
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32 views

MongoDB Realm / App Services Swift Login Synchronisation not working, Users need to login every time

I've build an SwiftUI App that uses MongoDB Realm (or now App Services) as a backend. Users can authenticate using email/password, AppleID or Google. In the docs and by mongoDB it says that realm ...
Marvin Meinhard's user avatar
1 vote
1 answer
110 views

dyld[13932]: Symbol not found: _OBJC_CLASS_$_RLMApp and crashes

Using Xcode 15.1 and Realm 10.44.0 ( I tried 10.45.3 as well), my iOS app compiled but crash immediately at the start. I get this message in the console: dyld[13932]: Symbol not found: _OBJC_CLASS_$...
Pitoneux's user avatar
1 vote
1 answer
61 views

Issue while deleting a cartItem in realm

In this view if I tried to send another view like CartItem() then the app get crash and the error Thread 1: "Object has been deleted or invalidated." if I again get into the app the cartitem ...
GOKULSARVESH S K's user avatar
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79 views

React-native: realm. UserProvider fallback component not rendering when user is not logged in

Im working on a react-native expo app and have installed realm to implement mongo-db login. my code is: App.tsx: import { StatusBar } from 'expo-status-bar'; import { Text, View } from 'react-native'; ...
scarface764's user avatar
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46 views

Struggling to Save Large JSON Data in Local Storage Using Realm in React Native

I'm encountering the Row too big to fit into CursorWindow error when trying to save a large JSON dataset using Realm in my React Native app. const Save = storeName => async (key, value) => { ...
Srinath's user avatar
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