core-data-migration

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Updating an ios app that uses coredata with a version without

We are planning to update an iOS app that currently uses coredata with a complete rebuild that isn\'t using coredata. If the schema is not present in the update bundle will it crash on existing users[详细]

2023-03-01 11:13 分类：问答
Core Data - Migration question?

I am trying to do a migration I have 2 versions of model 1.xcdatamodel 2.xcdatamodel I created a mapping model from version 1 to 2[详细]

2023-02-24 06:29 分类：问答
how to resolve "no such table: Z_METADATA" error for first deploy to an IOS device

The first deployment to an IOS device for my application is crashing as I\'m getting a:\"\'no such table: Z_METADATA\'\" error.I have copied the SQLite file across from my device and opened it up in a[详细]

2023-02-23 01:36 分类：问答
Core data migration involving a new entity and a to-many relationship

I am attempting to add a new entity (say B, with two \"double\" attributes) to my core data model and create an optional to-many relationship with an existing entity (say A)开发者_StackOverflow中文版.[详细]

2023-02-22 11:59 分类：问答
Core Data: endless loop while auto-migrating between two data models

I have my old data model, my new model (same but with two more text fields in one ent开发者_运维百科ity) and a mapping model (just the default generated one).[详细]

2023-02-04 04:20 分类：问答
Strange Core Data crash with _Unwind_SjLj_Resume after migrating

I am getting a strange crash from some of my beta testers that I am having trouble with. The symbolicated crash reports indicate that the crash is occurring in the simple allocation of a controller as[详细]

2023-02-03 14:15 分类：问答
Core data migration failing with "Can't find model for source store" but managedObjectModel for source is present

I have a cocoa application using core-data, which is now at the 4th version of its managed object model.[详细]

2023-02-01 18:46 分类：问答
Out-Of-Memory while doing Core Data migration

I\'m migrating a CoreData model between two versions of an application. I was storing binary data as blobs in the previous version and I want to take them out of the blobs for performance. My issue is[详细]

2023-01-31 19:02 分类：问答
Migrating through several versions in core data

I have Core Data application and I have been migrating (upgrading) the core data model. Each time I create a new version I create a mapping model for each version.[详细]

2023-01-27 07:04 分类：问答
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 defau开发者_StackOverflowlt value). According to the documentation, this should mean my migr[详细]

2023-01-22 00:26 分类：问答