Jeff,

Remove :key => true ( this is used only if the field is different of Serial )

Andre Lima

On 14/11/2012, at 23:20, Jeff Ruhl <ruh...@gmail.com> wrote:

> Given the following class
> 
> class Post
>    include DataMapper::Resource
> 
>    property :id, Serial, :field => 'post_id', :key => true
>    property :thread_id, Integer
>    property :username, String
>    property :post_date, Integer
>    property :message, Text
> 
> end
>  
> executing 'Post.get(1)' produces the following sql
> 
> SELECT `post_id`, `id`, `username`, `date`, `id`, `id` FROM `xf_post` WHERE 
> `post_id` = 1 LIMIT 1
> 
> I've also tried changing the :id property name to all forms of insanity, but 
> DataMapper keeps tacking the `id` column in the queries.
> Is there a configuration somewhere to turn off assuming an id column? I'm 
> mapping over a legacy database. 
>  
> 
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