Top "Mapping-model" questions

A mapping model is a Core Data construct that helps define how one version of a object model is migrated to another version the object model.

I keep on getting "save operation failure" after any change on my Xcode Data Model

I started using Core Data for iPhone development. I started out by creating a very simple entity (called Evaluation) with …

iphone xcode version-control core-data mapping-model
Setting dynamic ng-model names in AngularJS

There are similar questions here and here, although my use-case is a little different. I have an object called uniqueLists …

javascript angularjs angularjs-ng-repeat mapping-model
Core Data migration problem: "Persistent store migration failed, missing source managed object model."

The Background A Cocoa Non Document Core Data project with two Managed Object Models. Model 1 stays the same. Model 2 has …

objective-c cocoa core-data migration mapping-model
Add Core Data Index to certain Attributes via migration

For performance reasons, i want to set the Indexed Attribute to some of my entities. I created a new core …

iphone core-data migration indexing mapping-model
Core Data lightweight migration: Can't find or automatically infer mapping model for migration

So I created a new version of my data model, and made a previously optional field non-optional (giving it a …

iphone ios core-data core-data-migration mapping-model