[Dbix-class] Lazy Columns

[Peter Rabbitson]

Bill Moseley wrote:
> 
> 
> On Fri, May 7, 2010 at 7:25 AM, Ovid <publiustemp-dbic at yahoo.com
> <mailto:publiustemp-dbic at yahoo.com>> wrote:
> 
>     --- On Fri, 7/5/10, Bill Moseley <moseley at hank.org
>     <mailto:moseley at hank.org>> wrote:
> 
>     > Still, I have wondered if DBIC should throw an exception if you
>     try and
>     > access a column that was not fetched from storage.
> 
>     I think that would be better than forgetting to check if the column
>     is loaded and getting a silent failure.  Still, that would be a
>     backwards-incompatible change.
> 
> 
> True. 
> 
> But, case in point:  I'm using DBIx::Class::Ordered and it started to
> fail today with a somewhat odd error.  Turned out that "columns" had
> been modified such that the position column was no longer returned in
> the row.  Ordered was assuming it was a NULL and tried to set the
> position to a value that existed and the database complained that it was
> not unique.
> 

I don't see the attached test case so we can fix the bug in *Ordered*
(by making sure we have the necessary info available before we start
shuffling things around).