Re: [Pyobjc-dev] SQLite and PyObjC

[John V. <ve...@co...>]

On Sat, Jul 05, 2008 at 01:42:04PM -0700, Samantha Atkins wrote:
>
 --snip--
>
> Core Data is a general "document" / application data store Cocoa framework. 
>  It covers both flat flie, XML and sqlite stores.   Its API is the same on 
> all.  Among other things this means that some capabilities of a RDBMS are 
> not exposed by Core Data.  Core Data is more or less an ORM or rather an 
> OSM where the S is more generic store than just relational.   As such it 
> imposes its own layout to the underlying sqlite tables to support a subset 
> of object persistence.   I would not recommend that you programs attempt to 
> grok and correctly handle that layout directly.  Instead for a Core Data 
> database you should use the Core Data framework from pyobjc.   There are 
> some shortcuts that get around some of the Xcode and application centric 
> docs on Core Data.  For one thing there is a "MOM" file for any Core Data 
> database and Core Data APIs that you can use to dynamically read a MOM, 
> parse out the types of Entities and Relationships and then go from there to 
> read any data in the Core Data db and show it any way you want.
>
> Hope that helps.

Thanks, Samantha. This is a help.

Best,

John V.