Auto rollback version for - [FMDatabase inSavePoint]

FMDatabase+AutoRollback.m

@interface FMDatabase (AutoRollback)

@end



@implementation FMDatabase (AutoRollback)

- (NSError*)inAutoRollbackSavePoint:(NSError* (^)())block
{
    __block NSError* internalError = nil;
    NSError* error = [self inSavePoint:^(BOOL* rollback) {
        internalError = block();
        if (internalError != nil) {
            *rollback = YES;
        }
    }];

    return internalError != nil ? internalError : error;
}

@end