[Dbix-class] many_to_many and search_related

Matt S Trout dbix-class at trout.me.uk
Wed Sep 20 20:04:12 CEST 2006


Rolf Schaufelberger wrote:
> Hi, 
> I'm currently trying to move my application from CDBI to Dbix::Class.
> 
> Now I have a many_to many relationship and I want to do a search on the 
> related table as described in the pod. yet I get an errror:
> 
> DBIx::Class::Relationship::Base::search_related(): No such relationship motive 
> at t/05_format.t line 26
> 
> yet, doing fetching all objects works for both directions,
> 
> the lines are : 
> PW::DB::Format.pm :
> 
> ...
> __PACKAGE__->has_many(mformate   => 'PW::DB::MFormat', 'format_id');
> __PACKAGE__->many_to_many('motive' => 'mformate', 'motiv_id');
> 
> 
> PW::DB::Motiv.pm :
> ...
> __PACKAGE__->has_many( mformate  => 'PW::DB::MFormat', 'motiv_id');
> __PACKAGE__->many_to_many('formate' => 'mformate', 'format_id');

many-many is a bridge across two relationships.

$obj->motive

is pretty much equivalent to

$obj->search_related('mformate')->search_related('motiv_id')

-- 
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