We don't want to automatically include children in queries -- that
crosses over the line into "too much magic", I think.  While including
children speeds things up where it's warranted, it slows things down
where it isn't.

Bryan


On Mon, Dec 3, 2012 at 7:48 AM, tonym <[email protected]> wrote:
> Thanks Bryan,
> if I use an include and reference the field in quotes that works.
> That's directly SQL querying db fields on the joined table. I thought
> ':accessible => true' on the model would put those in scope in the
> controller?
> Not a problem for this, but may be for other scenarios?
>
> Cheers, Anthony.
>
> On Thursday, November 29, 2012 2:45:03 AM UTC, Bryan Larsen wrote:
>>
>> Use "local_area.name" or :"local_area.name"
>>
>> Bryan
>>
>>
>> On Wed, Nov 28, 2012 at 6:01 PM, tonym <[email protected]> wrote:
>> > Hi Bryan,
>> > thanks.  I can't get this to work though...
>> > How do I reference 'local_area.name' in the controller, to get a sort on
>> > that column?
>> > I've tried fields='local_area.name...etc  and then my controller is...
>> >
>> >   def index
>> >     hobo_index do
>> >       self.this = self.this.include(:local_area)
>> >       self.this = self.this.search(params[:search], :user_id, :name) if
>> > params[:search]
>> >       self.this = self.this.order_by(parse_sort_param(:local_area.name))
>> > if
>> > params[:sort]
>> >     end
>> >   end
>> >
>> >
>> > I'm assuming this needs a SQL join, to be able to order by the name
>> > rather
>> > than the id.  Tried with and without an 'include', couldn't get a 'join'
>> > to
>> > work.
>> > The include creates an outer join, not sure it's a good idea though.
>> > With or without an include, this fails on the sort param
>> > :local_area.name
>> > which I must be referencing incorrectly?
>> >
>> > Thanks, Anthony.
>> >
>> >
>> > On Wednesday, November 28, 2012 6:02:06 PM UTC, Bryan Larsen wrote:
>> >>
>> >> It should work if you use fields="local_area.name" rather than
>> >> fields="local_area".   If you need access to local_area in your view,
>> >> you should be able to use this_parent rather than this.
>> >>
>> >> Bryan
>> >>
>> >>
>> >> On Wed, Nov 28, 2012 at 10:46 AM, tonym <[email protected]> wrote:
>> >> > Thanks Bryan,
>> >> >
>> >> > that works, and neat too :)
>> >> >
>> >> > Just one 'gotcha' is that all the columns that are belongs_to
>> >> > relationships
>> >> > try to sort without referencing the id.
>> >> > e.g. http://localhost:3000/my_venues?sort=local_area is in the 'local
>> >> > area'
>> >> > column link,  but I can only get the sort with 'local_area_id'.
>> >> > I can work around this, but is this a fault or is there a way to sort
>> >> > by
>> >> > 'local area' without the id - i.e. can we sort alphabetically on the
>> >> > parent
>> >> > name?
>> >> >
>> >> > Thanks, Anthony
>> >> >
>> >> >
>> >> >
>> >> > On Wednesday, November 28, 2012 2:20:58 PM UTC, Bryan Larsen wrote:
>> >> >>
>> >> >> Actually, the call to index_response is not necessary.   Old
>> >> >> documentation was less misleading than I thought.
>> >> >>
>> >> >>   def index
>> >> >>     hobo_index do
>> >> >>       self.this = self.this.search(params[:search], :name) if
>> >> >> params[:search]
>> >> >>       self.this = self.this.order_by(parse_sort_param(:name,
>> >> >> :quantity)) if params[:sort]
>> >> >>     end
>> >> >>   end
>> >> >>
>> >> >> Bryan
>> >> >
>> >> > --
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