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  • Flush entity in core data

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    If you need to delete or flush all the data that exist in core data entity then use this method. Just pass the name of the Entity as a param to this method.

    -(void)flushEntity:(NSString*)entityName{
    
        NSFetchRequest *fetchAllObjects = [[NSFetchRequest alloc] init];
        [fetchAllObjects setEntity:[NSEntityDescription entityForName:entityName inManagedObjectContext:self.myContext]];
        [fetchAllObjects setIncludesPropertyValues:NO]; //only fetch the managedObjectID
    
        NSError *erors = nil;
        NSArray *allObjects = [self.myContext executeFetchRequest:fetchAllObjects error:&erors];
        // uncomment next line if you're NOT using ARC
        // [allObjects release];
        if (erors) {
            NSLog(@"Error occurred1");
        }else
            NSLog(@"Error occurred1");
    
        for (NSManagedObject *object in allObjects) {
            [self.myContext deleteObject:object];
        }
    }
    

    Happy Coding

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