Question

I’m trying to recover a date with SQLite on iOS.

This date (saved in selectedDate) is a variable NSDate. I convert NSDate to NSString (saved in dateString).

//Code:

NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat: @"yyyyMMdd"];
NSString *dateString = [formatter stringFromDate:selectedDate];

[formatter release];


NString *sentence = (@"SELECT description, date_from FROM Tasks WHERE date_from = %@", dateString);

//Warning: Expression result unused  :(

If I put a default date, for example: SELECT… WHERE date_from = ‘20120719’, it runs. How can I solve it?

Sorry for my English 😉 Thanks!!!

Answer 1

have you try LIKE is place of = ?

date_from LIKE '20120719'

and

NSString *sentence = [NSString stringWithFormat:@"SELECT description, date_from FROM Tasks WHERE date_from = %@", dateString];