Brian,

Thanks for your email. You are right, I am working on a very 'huge'
legacy DB.

I just wondering, is there a good reason why DataMapper changed the
behavior of the "options[:order]".

Thanks.

--Bruce

On Oct 2, 3:14 pm, Brian Smith <[email protected]> wrote:
> I think you might be better off running the query like
>
> PurchaseOrder.all(:completed => 'yes', :order => [:closed_date.desc]).items
>
> Also, personally, if completed is just a string of yes or no, I'd use a
> boolean column (unless its a legacy db)
>
>
>
> On Fri, Oct 2, 2009 at 9:07 AM, ZHHZ <[email protected]> wrote:
>
> > Hi,
>
> > 0.10.0 breaks some of my code, here is my models:
>
> > class PurchaseOrder
> >  include ...
>
> >  property :closed_date, ...
>
> >  has n, items
> > end
>
> > class PurchaseOrderLineItem
> >  ...
> >  belongs_to :po
> > end
>
> > In 0.9, I was able to to something like:
> >  order_by = [DataMapper::Query::Direction.new(PurchaseOrder.properties
> > [:closed_date], :desc)]
> >  result = PurchaseOrderLineItem.first( 'po.completed.eql' =>
> > 'yes', :order => order_by)
>
> > But in 0.10, it's broken, I got:
> >  +options[:order]+ entry :closed_date does not map to a property in
> > PurchaseOrderLineItem
>
> > I must do it wrong in 0.10 or I missed something here, it seems like
> > all the properties in the :order option must be a valid property in
> > the model now( here is the PurchaseOrderLineItem), not a property of
> > the association. I know I can get a work around by query against on
> > the PurchaseOrder, I just curious is this the desired feature in
> > 0.10.0?
>
> > Thanks.
>
> > --Bruce
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