Thanks! You mean "Read the API documentation, AND the header comment for this method." Setting resultType to dictionary is mentioned in NSFetchRequest.h only. ---------------------------------------------------------------- Gabriel Fernandez Wheel Software
On Mar 21, 2010, at 10:46 AM, Jim Correia wrote: > On Mar 20, 2010, at 1:52 PM, Gabriel Fernandez wrote: > >> I wanted to get a subset of an entity's attributes because one of the >> ManagedObject's attributes is a large image. > > […] > >> 2) using the -setPropertiesToFetch: method of NSFetchRequest, with the "id" >> NSAttributeDescription I'm looking for as the only object in the properties >> array. But when I use the -(NSArray*) properties method of the fetched >> objects, the "image" attribute is there with a non-nil value. > > Read the API documentation, or the header comment for this method. > > /* Specifies a collection NSPropertyDescriptions that should be returned by > the result. This value is only used if resultType is set to > NSDictionaryResultType. Property descriptions added to valuesToFetch may > represent attributes, expressions, or to one relationships; for attribute or > relationship descriptions, the name must match the name of a description on > the fetch entity. Results of the fetch will be returned as dictionaries > containing key/value pairs where the key is the name of the specified > property description. */ > > — Jim _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com