Context Navigation

Ticket #12192: 12192-patch1.diff

File 12192-patch1.diff, 687 bytes (added by Ramiro Morales, 14 years ago)
Don't query the DB when we know it's going to have LIMIT 0

diff -r 1fe026327305 django/db/models/sql/query.py

-              a
         if with_limits:
             if self.high_mark is not None:
+                result.append('LIMIT %d' % (self.high_mark - self.low_mark))
+                if self.high_mark != self.low_mark:
+                    result.append('LIMIT %d' % (self.high_mark - self.low_mark))
+                else:
+                    return '', ()
             if self.low_mark:
                 if self.high_mark is None:
                     val = self.connection.ops.no_limit_value()