Having problem with fetch request in NSDocument based application
Having problem with fetch request in NSDocument based application
- Subject: Having problem with fetch request in NSDocument based application
- From: Clayton Leitch <email@hidden>
- Date: Fri, 04 Sep 2009 09:47:07 -0400
Here is the code in MyDocument:
-(IBAction)calculateStat:(id)sender{
fetchedObjects = nil;
context = [self managedObjectContext];
fetchRequest = [[NSFetchRequest alloc] init];
entity = [NSEntityDescription entityForName:@"Measurement"
inManagedObjectContext:context];
[fetchRequest setEntity:entity];
fetchedObjects = [context executeFetchRequest:fetchRequest
error:&error];
if (fetchedObjects == nil) {
NSLog(@"error");
[errorMessage setStringValue:@"no objects"];
}else {
[errorMessage setIntValue:[fetchedObjects count]];
}
[fetchRequest release];
The fetchedObjects count is always 0. Any idea what silly thing I
forgot.
Thanks
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