Question

When I test this query directly in sqlite manager, it shows the result well, but when I test it with iphone simulator, it shows like this:

How to solve this problem ?

Answer 1

Try escaping the % characters in your SQL so that stringWithFormat knows not to try to substitute values for them. Like:

NSString* select = [NSString stringWithFormat:@"select * from orders where isPaid = 1 and strftime('%%Y-%%m',dateOrder) = '%@'",dateString];