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umbra:gemologist ted$ rake db:automigrate --trace
(in /Users/ted/Sites/gemologist)
Loading init file from /Users/ted/Sites/gemologist/config/init.rb
Loading /Users/ted/Sites/gemologist/config/environments/development.rb
** Invoke db:automigrate (first_time)
** Invoke merb_env (first_time)
** Execute merb_env
Loading /Users/ted/Sites/gemologist/config/environments/rake.rb
~ Connecting to database...
~ Loaded slice 'MerbAuthSlicePassword' ...

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Seed authentication
Automigrating in helper!
Automigrating in helper!
Automigrating in helper!
Automigrating in helper!
Automigrating in helper!
Automigrating in helper!
Automigrating in helper!
- authenticates a user with the correct name and password (PENDING: Not Yet Implemented)
- does not authenticate a user from another seed (PENDING: Not Yet Implemented)

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Adapter Returns
===============

create(resources)
-----------------

Nothing. Doesn't matter what it returns. In the case of auto-populated fields, the adapter HAS all the records, it can just modify the 
values directly. They don't need to be returned, DM should just update the identity map, and keep using them.

If something bad happens (not created for some reason) that is, and should be, and exception. In the case of DO, the most common case 

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SELECT "humans"."id", "humans"."first_name", "humans"."middle_name", "humans"."last_name" 
FROM "humans" 
INNER JOIN "ownerships" ON "pets"."id" = "ownerships"."pet_id" 
INNER JOIN "humans" ON "ownerships"."human_id" = "humans"."id" 
WHERE "pets"."name" = 'Bo' 
GROUP BY "humans"."id", "humans"."first_name", "humans"."middle_name", "humans"."last_name" 
ORDER BY "humans"."id"

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require 'dm-core'
require 'spec'

DataMapper::Logger.new(STDOUT, :debug)
DataMapper.setup(:default, "mysql://localhost/dm_friends")

class User
  include DataMapper::Resource
  
  property :id, Serial

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## full stack

 NoMethodError in CommentController#post_comment

undefined method `new_record?' for "oooh trying again, goddamn it!":String

RAILS_ROOT: /home/jeremy/dk4-exper
Application Trace | Framework Trace | Full Trace

/usr/lib/ruby/gems/1.8/gems/dm-core-0.9.11/lib/dm-core/property.rb:450:in `lazy_load'

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=begin
  This is my control script.
  
  DataMapper by itself doesn't seem to explode when using BigDecimal. 

umbra:dm-specs ted$ ruby scratch_pad/big_dec.rb 
Create
Find
Access Value
umbra:dm-specs ted$ 

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# This file does not trigger the BigDecimal bug indicated here: http://www.ruby-lang.org/en/news/2009/06/09/dos-vulnerability-in-bigdecimal/

require 'rubygems'
require 'dm-core'

class BigDec
  include DataMapper::Resource
  property :id, Serial
  property :value, BigDecimal
end

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here = File.dirname(__FILE__)
require File.join(here, 'spec_helper')

class IntegerProperty
  include DataMapper::Resource
  property :id, Serial
  property :number, Integer
end

describe "stuff" do

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>> b = Human.get(1)
=> #<Human @id=1 @first_name="Barack" @middle_name=nil @last_name="Obama">
>> b == Human.get(1)
=> true
>> b.middle_name = "Hussein"
=> "Hussein"
>> b == Human.get(1)
=> false