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Questions tagged [xcdatamodel]

113 questions
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Adding a CoreData Data Model file to XCode 4.2 causes source control to stop working with a question mark

I've been trying in vain for hours now to add a CoreData Data Model file to my XCode project, which is under SVN source control. Whenever I do, I get the following display in XCode: I've followed at least 5 or 6 different articles now on ways to…
JasonD
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XCode crashes when trying to view an .xcdatamodel

I have an app, backed by Core Data, that I've been working on for awhile. I use version control (formerly SVN, now Git) to move it around between different Macs. The other day, I was unable to open the project. OH CRAP. Luckily, due to Time Machine…
bpapa
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Is it possible to generate an xcdatamodel file outside of Xcode?

Is it possible to generate an xcdatamodel file and then import that file into Xcode? I need to create a data model for an iOS app from an existing schema specified by an industry standard. The result will be around two hundred Core Data entities…
Mike Zauzig
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Moving entities between configurations in Xcode Data Model Editor

I'm currently working on an app which, will hopefully, use Core Data to store/retrieve data from 2 sqlite files (At the moment it just uses 1). I realise to do this I have to create another configuration in the Core Data Model Editor of Xcode which…
JDx
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iOS - what is the right way to deal with a data model change?

I already have an app in the app store. I want to do an upgrade. My local data store has changed, with an extra table, and with a few fields added in the existing table. I want to retain the data in the old tables. How would I go about doing that?…
Suchi
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Do multiple versions of xcdatamodel mean that we need multiple xcmappingmodel files?

I have multiple versions of xcdatamodel files: app1.0.xcdatamodel app1.1.xcdatamodel app1.2.xcdatamodel (current) Does this mean I need multiple combinations of xcmappingmodel files to cover all upgrade scenarios? app1.0_to_app1.1.xcmappingmodel…
pulkitsinghal
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Unable to add datamodel in xcode4

I'm porting my iphone app to ipad, and therefore created a completely new project. After programming a while, i wanted to import the coredata model from my iphone project, so i can have the same coredata storage layout. but for some reason, xcode…
user826955
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Xcode 4: Replace NSManagedObject subclass

I have a project from Xcode 3 that I put through the conversion process to make it Xcode 4 compatible. Within this project, all of my NSManagedObject subclasses are inside a group with a ".xcdatamodeld" name. If I update an entity in my data model…
stever
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xcdatamodel corrupted

I am stuck with xcdatamodel being corrupted. I am a newbie and have no clue what to do hereon. Can supply the file which is being questioned alongwith the sqlite db as well... Do not know what do as I am quite literally brain frozen.. pls help. TIA
techster
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xcode source control trap: unable to index file

I checked out a new branch of a good production build, and added a new core data model. It failed to build (separate issue) and in the process of troubleshooting, I removed the new model from the project. Now, Xcode fails to commit changes, with…
Henry95
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How to Add an existing xcDatamodel file to Object

I already have an existing xcdatamodel file. So I create a new project with core data. Now I want to replace the xcdatamodel file provided by the xcode with xcdatamodel file that I had. How would I do that? How would I know that my old xcdatamodel…
user4951
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Creating a User Interface From a Data Model

I already created my xcdatamodel file. Then I follow instruction in http://developer.apple.com/library/ios/documentation/DeveloperTools/Conceptual/XcodeCoreDataTools/Articles/xcdCreatingUserInterface.html#//apple_ref/doc/uid/TP40006854-SW1 So I…
user4951
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generate Xcdatamodel file from JSON

Is it possible to generate xcdatamodel file from json? Here's how i imagine it would work: Given a JSON file, going through some program with some custom logic (will probably be written by myself), will generate xcdatamodel file for me to use in…
Johnny
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Can't open Data Model File in Xcode

Using MacOS Sierra(10.12.1 (16B2555)) and Xcode 8.1(8B62). Created a new Project without selecting "Use Core Data". Now when I create a new Data Model, I can't open it in Xcode editor. Even if I right click, Open As-> doesn't show any option. I had…
saurabh
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How to change model current Version of xcdatamodeld in "Source"

I'm developing iOS application uses coredata. I know how to change model current Version of xcdatamodeld in "XCode". But can i change it in program? if can do it, please teach me.
dosuken123
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