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Questions tagged [xcdatamodel]

113 questions
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xcdatamodel history causing git push errors

I have enabled history for xcdatamodel file.From the xcode it appears to be one file from terminal its a set of folders my.xcdatamodeld/ my 2.xcdatamodel my.xcdatamodel I am unable to deliver this to my remote git repository due to…
Dark Liquid
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Core Data Not Saving Relationships Between Objects

I have a project that uses the same xcdatamodel file as another project. In fact it's the exact same file. I copied it from one project to the other. I also copied the object files over with a few modifications and put them in a static library that…
iHorse
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Is there a mechanism to detect a design change in the datamodel for an iPad application?

I am building a new application and fully expect the datamodel to change in the future. I was wondering if the existing constructs have a versioning attribute that can be used for detecting a change that will trigger a migration.
mobibob
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iphone coredata xcdatamodel versioning...is their a limit to versions?

I am going through my 8th version of the iphone datamodel, and this is over the span of months, so improvements come along and changes have to be made. I was wondering if there is a limit to how many versions I end up creating. Does this affect…
lionz
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How to check if CoreData is empty?

I am trying to check if certain entity has data, so I wrote this code I am not sure if my code correct.When I check my code I found that if there is a data I got the answer that "data exist", but if there is no data compiler ignore else statement. I…
user13481868
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How to prevent Xcode from making inconsequential changes to data model file

I'm working with Xcode Version 10.0 (10A255) on MacOS High Sierra 10.13.6. I have the data model file (myproject.xcdatamodel/contents) in Git and that's great for tracking changes. The problem I have is that whenever I inspect the data model in…
Robert Dodier
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problems saving to persistent storage iphone

I am writing an iphone app; I need to save the data to persistent storage, but I am having the problems... I created an entity in xcdatamodel and I have no problem getting the default value set for my attribute. In my testing, I go thru the code…
san
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App Store application submitting error because of xcoredatamodel

After I submitted my application, apple sent an email that is below. I could not where the problem is ? Can anyone help me in this issue ? enter code here * This bundle is invalid - The Info.plist file for /****.app/CoreData.framework is missing…
Burak Nurçiçek
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Cannot save strings into CoreData

I'm trying to save strings I have in my string array into the Core Data. My .xcdatamodel looks like this: My saving function (a method of a class called "Memory"): func save(from: [String]) { for i in 0..
aleksy.t
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ios create sqlite db and xcdatamodel

I wish use nsmanagedobject to use a sqlite database into my project.. I downloaded CoreDataBooks sample but there's something that I don't understand right... for example... where is the link between the tables and xcdatamodel? i tried to change the…
ghiboz
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Define Entity's Attribute's Value

I am trying to edit rawURL so that it looks in the correct folder within my application bundle. I looked at Apple's documentation, but when I opened up my application's .xcdatamodeld, the attribute whose String value I'm looking to edit, didn't…
maddie
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Core data one-to-one unidirectional relationship

I have 2 entities in which totally 12 properties are there of 3 variations of min, max and average of some particular type of fields. Hence I refactored the 2 entities into 3 entities making the 3rd entity as 'Values' which contains 3 properties i.e…
Rameswar Prasad
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Are BOOL and bool interchangeable when used with xcdatamodel?

I have an iOS app that uses CoreData; the xcdatamodel has several boolean attributes. My question is: in my objective-c code, are BOOL and bool interchangeable within those attributes? The way I've written my code, the logic depends on true or…
SpokaneDude
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Store an Array attribute in the Data Base

I have an attribute in my entity that should store multiple Int. This is how the recieved JSON from the API looks like { "type": “KsCell”, “id”: 23, “allowedSize”: [1,2], }, How can I declare/store this in the xcdatamodeld? this is a…
kev.a
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Core Data: Add a column on a table

I just want to add a column on a table for my new version of my app, and keep the filled columns. So I work with Core Data, this is my momd: On my appDelegate: /* CORE DATA */ // MARK: - Core Data stack lazy var applicationDocumentsDirectory:…
Ben
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