Instance Method


Passes a request to the persistent store without affecting the contents of the managed object context and returns a persistent store result.


- (__kindof NSPersistentStoreResult *)executeRequest:(NSPersistentStoreRequest *)request error:(NSError * _Nullable *)error;

See Also

Registering and Fetching Objects

- executeFetchRequest:error:

Returns an array of objects that meet the criteria specified by a given fetch request.

- countForFetchRequest:error:

Returns the number of objects a given fetch request would have returned if it had been passed to executeFetchRequest:error:.

- objectRegisteredForID:

Returns the object for a specified ID, if the object is registered with the context.

- objectWithID:

Returns an object for a specified ID even if the object needs to be fetched.

- existingObjectWithID:error:

Returns the object for the specified ID or nil if the object does not exist.


The set of objects registered with the context.

- refreshAllObjects

Refreshes all currently registered objects that are associated with this context.


A Boolean value that indicates whether the context keeps strong references to all registered managed objects.