Re: Issue with Core Data Mapping Model

2013-01-23 Thread John Brayton
Yes, the hashes do change when I add the model mapping. I ended up writing an NSEntityMigrationPolicy for a parent object that copies these child entities. In addition, I also opened up a DTS incident with Apple. The gentleman from Apple observed that I had an interesting difference between

Re: Issue with Core Data Mapping Model

2013-01-22 Thread Sean McBride
On Thu, 17 Jan 2013 21:45:51 -0500, John Brayton said: I am building a mapping model between two versions of my Core Data model, and I am encountering a strange issue: * If I define six of the seven entity mappings I need in the mapping model, migrating the data works as expected. * When I add

Issue with Core Data Mapping Model

2013-01-17 Thread John Brayton
Hi, I am building a mapping model between two versions of my Core Data model, and I am encountering a strange issue: * If I define six of the seven entity mappings I need in the mapping model, migrating the data works as expected. * When I add the seventh entity mapping, the migration fails