[Dbix-class] help building query w/ ->search() or using arbitrary select?

[Matt S Trout]

George Hartzell wrote:
> I think that I understand that I can do something like this:
> 
>   { join => {nodes => attrs}}
> 
> to get at <node_attr>'s that belong_to <node>'s that belong_to an
> <rn>.  But at this point I no longer know how to get the rn and rncbt
> join that I achieved in the example above with the simple:
> 
>   { join => 'rncbts' }
> 
> Is there a way to do both?
> 
> And even goofier, I'm working with pairs of nodes and contraining on
> their node_attr's, so I think I need to do this:
> 
>   { join => {nodes => attrs,
>              nodes => attrs}}
> 
> which I think should give me attrs and attrs_2 that belong to node and
> node_2 that belong_to <rn>???

join => [ 'rncbts', { nodes => 'attrs' }, { nodes => 'attrs' } ]