On 7/28/06 9:59 AM, Danial Pearce wrote:
> I found a bug a couple weeks back where I had a DB structure that had
> this odd table hanging around where the only field was the primary
> key, which was also a foreign key. I found at the time that you could
> create a new() on that object, which would save() fine. But if you
> ever wanted to call save() a second time, it would fail because the
> SQL generated is something like:
> 
> UPDATE foo SET  WHERE id = ?;
> 
> This obviously fails.

What database are you using?

> Anyway, I'm now seeing the same problem again when you use save
> (changes_only => 1), but there were no changes. It generates the same
> SQL as above because it always seems to think the primary key is a
> modified field.
> 
> my $foo = My::Foo->new(id => 1);
> $foo->load;
> $foo->save(changes_only => 1);
> 
> Because we created foo by setting id to 1, it thinks "id" is a
> modified field.

Is the id field auto-incremented, or just an int?

-John



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