Re: [CDBI] order by a foreign key
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Matt S Trout ha scritto:
> On Tue, Aug 16, 2005 at 05:34:23PM +0200, Marcello wrote:
>
>>Hallo everybody,
>> I'm working with Class-DBI in a catalyst project, and I found a
>>problem that I think is not directly related to Catalyst, but to
>>Class-DBI (or perhaps to Class::DBI::Plugin::RetrieveAll).
>>
>>Let me first describe the scenario:
>>
>>I have two tables, 'cd' and 'artist', whose model classes are MyApp::Cd
>>and MyApp::Artist.
>>
>>MyApp::Artist is stringified as 'name'
>>
>>The relationship is:
>>MyApp:Cd->has_a( artist => MyApp::Artist );
>>
>>MyApp::Cd uses Class::DBI::Plugin::RetrieveAll, so I can say:
>>my @cds = MyApp::Cd->retrieve_all_sorted_by( $order ); # e.g. title ASC
>
>
> Try Class::DBI::Sweet as a base instead of Class::DBI and
>
> MyApp::Cd->search({ }, { prefetch => 'artist', order_by => 'artist.name' });
>
> That should do the trick - and return your $cd->artist objects prepopulated
> ala ActiveRecord's :include to boot.
>
Dunno about ActiveRecord's way of doing things :-) but I think this
might be a good time for me to eventually try out CDBI::Sweet.
Thanks everybody for your replies.
Marcello
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