[Dbix-class] How to find updated fields

Guillermo Roditi groditi at gmail.com
Fri Mar 23 15:07:51 GMT 2007


yeah, that's my distribution. and really, its not that hard. just make
the file and overload the appropriate subs, load the component and
ta-da

On 3/23/07, RA Jones <ra.jones at dpw.clara.co.uk> wrote:
> Guillermo Roditi wrote:
> > That's the code I would recommend using for a DBIx::Class component,
> > which you would have to build, then load. this is a lot simpler than
> > it seems. see DBIx::Class::DigestColumns on the 'pan for an example of
> > how to build a DBIC component.
> This is a module you assisted in development? Are you suggesting I have
> to write my own module to be able to use the get_dirty_columns method?
>
> > I can't really go through this exercise with you, but I assure you
> > it's not ThatHard. it just takes some diving in.
> I'm quite prepared to 'dive in' if that is what is necessary. But I feel
> sure it *will* be ThatHard!
>
> > On 3/23/07, RA Jones <ra.jones at dpw.clara.co.uk> wrote:
> >> Guillermo Roditi wrote:
> >> > I think you could possibly implement this as a component that wraps
> >> > update, delete, or insert and the use get_dirty_columns et al.
> >> >
> >> > eg
> >> >
> >> > sub update{
> >> >    my ( $self, $upd, @rest ) = @_;
> >> >    my %cols = $obj->get_dirty_columns;
> >> >    %cols = (%cols, %$upd) if( ref $upd );
> >> >    warn( "Updated: ". join(", ", keys %cols)  );
> >> >    $self->next::method($upd, @rest);
> >> > }
> >>
> >> Well I cannot get this to work. I'm using catalyst and formbuilder, and
> >> doing the update like:
> >>
> >> $form->update($fields);
> >>
> >> That works OK, but if I try to capture the result of the action:
> >>
> >> my $r = $form->update($fields);
> >>
> >> and dump $r to file, get_dirty_columns does not exist, the closest is
> >> _dirty_columns which is an undefined hashref:
> >>
> >> $VAR1 = bless( {
> >>    'related_resultsets' => {},
> >>    '_orig_ident' => undef,
> >>    '_dirty_columns' => {},
> >>    etc,
> >>
> >> Am I missing something obvious here?
> >>
> >> > On 3/22/07, RA Jones <ra.jones at dpw.clara.co.uk> wrote:
> >> >> Rob Kinyon wrote:
> >> >> > On 3/22/07, RA Jones <ra.jones at dpw.clara.co.uk> wrote:
> >> >> >> In my applications I frequently record in a log file which fields
> >> >> >> were updated by which users. Is there an easy way in DBIC to find
> >> >> >> out which fields got updated during an update() or
> >> >> >> update_or_insert() action? Thanks.
> >> >> >
> >> >> > Look for the get_dirty_columns() method on the Row object.
> >> >> Thanks, I had just scanned the DBIC::Row manual, and managed to miss
> >> >> that one - is_changed() looked promising, but it appears to be only
> >> for
> >> >> uncommitted changes.
> >> >> --
> >> --
> >> Richard Jones
> >> Leeds, UK
> >> ra.jones(at)dpw.clara.co.uk
> >>
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> >>
> >
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> >
> >
> >
>
>
> --
> Richard Jones
> Leeds, UK
> mailto:ra.jones at dpw.clara.co.uk
>
> _______________________________________________
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>



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