[Dbix-class] Scalar ref update()'s

[Marc Mims]

* Jose Fonseca <zefonseca at gmail.com> [080515 12:00]:
> $subscription->end_date(   \'DATE_ADD(NOW(), INTERVAL 12 MONTH)'   );
> $subscription->update();
> 
> It works a dandy, check the row and MySQL replies with a brand new 12 month.
> 
> But now, whenever I read
> 
> $end_date = $subscription->end_date();
> 
> I get a reference to \'DATE_ADD(NOW(), INTERVAL 3 MONTH)' and not the new
> computed value. It seems we're missing a back and forth trip to the RDBMS?

Although the back-end DB has been updated, the object in memory has no
way of knowing what value the DB assigned.  Re-read from the DB to
update the object:

   $subscription->discard_changes;

-Marc