I believe that only works in SQL and not SQLite3
On Feb 11, 2:49 pm, Woongcheol Yang <woongch...@gmail.com> wrote:
> Hello all,
>
> I just started learning DataMapper and I'm stuck at what I think should be
> pretty simple.
>
> My models look like this:
>
> class Post
> include DataMapper::Resource
> has n, :labels, :through => Resource
> end
>
> class Label
> include DataMapper::Resource
> property :name, String
> has n, :posts, :through => Resource
> end
>
> they both have some extra properties which I omitted. Other than that they
> exactly follow the examples given in DataMapper associations documentation.
>
> When I query like this:
>
> Post.all( :labels => { :name => 'orange' } )
>
> I want to get all posts that has a label named orange. What it is giving me
> instead is a post whose id is same as the id of the label named orange. More
> confusingly, when I query:
>
> Post.all( :labels => Label.get(4) )
>
> I get what I would get with Post.get(4). I double-checked that the post with
> id 4 is not associated with the label with id 4 in the database.
>
> I would really appreciate if someone could teach me what I'm doing wrong
> here.
>
> I'm using dm-core 0.10.2 with sqlite3.
>
> wy
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