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Questions tagged [watermelondb]

WatermelonDB is a cross-platform high-level layer for dealing with data, but can be plugged in to any underlying database, depending on platform needs. The adapter merely performs simple CRUD (create/read/update/delete) operations. WatermelonDB comes with two concrete implementations: 1) SQLiteAdapter is an adapter for React Native, based on SQLite 2) LokiJSAdapter is an adapter for the web, based around LokiJS

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can not fetch relational data in watermelondb

i have modles Staff.js and RanchOwner.js. Staff has One to many relation with ranch_owners , i want to fetch all ranch owners related to staff Staff.js import { Model } from '@nozbe/watermelondb'; import { field, date, relation } from…
web pakistan
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How to get getter value in functions other than JSX

I'm using watermelondb for local storage in react js. there are multiple columns which i can access directly but one colum role_id i don't want to fetch it as role_id i want to convert it into role. for which in model of watermelon db i am use get()…
web pakistan
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Editing data not working on iOS with WatermelonDB realsed version

Description: I am encountering an issue with WatermelonDB where I am unable to edit data on iOS using the released version of React Native. Expected behavior: The record should be updated with the new data. Actual behavior: The record is not…
Leul Ayalew
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nextjs, watermelonDb TypeError: LokiWebWorker is not a constructor

I am creating a nextjs chat app with watermelonDb as the offline db on the client side. I am new to nextjs. I am getting this error when I have useWebWorker: true in the adapter instantiation. When I have the useWebWorker:false everything works…
Sarath Sai
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Upgrading WatermelonDB, gives "error: cannot find type 'RCTBridge' in scope"

I'm trying upgrade my react-native app to my iOS. so I update all depencency include WatermelonDB. so I follow the instruction in here this is my env XCode 14.2 "react": "18.2.0", "react-native": "0.71.4", "@nozbe/watermelondb":…
newbie
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WatermelonDB function hasUnsyncedChanges

I am using WatermelonDB in my RN app. I am trying to display a button if WatermelonDB has unsynced changes. WatermelonDB has a function called hasUnsyncedChanges that returns a boolean. I can get the function to console.log true/false. But unsure…
doobe01
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useEffect() and array of deeply nested objects

I am trying to call useEffect() whenever arrayWithDeeplyNestedObjects changes. export default compose(... is part of an offline first database (watermelonDB) and updates arrayWithDeeplyNestedObjects when there is a change in the database. One could…
four-eyes
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The following build commands failed: SwiftCompile normal x86_64 Compiling\ DatabaseBridge.swift (in target 'WatermelonDB' from project 'Pods')

I inherited a React Native project (previous developer is not reachable anymore) and building the iOS App with npx react-native run-ios always fails with: ** BUILD FAILED ** The following build commands failed: SwiftCompile normal x86_64…
Daniel
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watermelondb warning - multiple readers/writers

I'm getting the following warning and I don't know what can be the cause for it Anyone ran into this warning? Thanks I'm working on rocketchat instance and this warning is just keep popup once in a while
shachargiladi
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How to get the actual data inside ._raw from fetch() query result in WatermelonDB?

I do have a single query like this: const rows = await db.active.collections .get('messages') .query( Q.where('status', messagesStatus.ERROR) ).fetch() the results is like this: [ { __changes: Object, isEditing:…
Prieyudha Akadita S
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Error: Cannot call database.adapter.underlying Adapter while the database is being reset watermelondb

Exception com.facebook.react.common.JavascriptException: Error: Cannot call database.adapter.underlyingAdapter while the database is being reset I can see multiple crashes in the play store with the above stack trace, I am using watermelon DB in…
pradeep_ch
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Error: record.prepareUpdate was called on ${this.table}#${this.id} but wasn't sent to batch() synchronously -- this is bad

I'm on react native and I'm unsure how to use prepareUpdate is it okay to do the following? const oldChannel = await getChannel('asdf') const prepareChannel = (x: Channel) => { x._raw.id = 'asdf' x.parent!.id = 'test' } const preparedChannel =…
david_adler
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Where can I find the ios/podfile in an expo project

I am trying to get watermelondb working in my expo project with sdk 45. I am using expo-dev-client and building with Expo Application Services (EAS). I have figured out that I need to install this plugin and that I need the to apply this patch to…
BruceHill
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React Native WatermelonDB Invariant Violation: Module AppRegistry is not a registered callable module (calling runApplication)

So I installed WatermelonDB for React Native and wanted to use it. I did everything exactly like in the installation guide but it seems like it didn't work. This is the error I get: This are my dependecies: "dependencies": { …
Henrik
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`.pipe()` not executing `debounceTime`

I'm trying to debounce() an Observable with pipe() and chaining .subscribe() but for some reason the function in the subscribe is still being called over a dozen times in one go. What I'm trying to do is pipe the withChangesForTables and debounce…
Ryker
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