console

# 0.9.11
 ~/Desktop  % ruby dm-test.rb
#<DateTime: 106057986779/43200,0,2299161>
#<DateTime: 106057986779/43200,0,2299161>



# 0.10.0
 ~/Desktop  % ruby dm-test.rb
{"month"=>"08", "hour"=>"11", "day"=>"2", "year"=>"2009", "min"=>"45"}
/opt/local/lib/ruby/gems/1.8/gems/data_objects-0.10.0/lib/data_objects/quoting.rb:26:in `quote_value': Don't know how to quote Hash objects ({"month"=>"08", "hour"=>"11", "day"=>"2", "year"=>"2009", "min"=>"45"}) (RuntimeError)
	from /opt/local/lib/ruby/gems/1.8/gems/data_objects-0.10.0/lib/data_objects/command.rb:68:in `escape_sql'
	from /opt/local/lib/ruby/gems/1.8/gems/data_objects-0.10.0/lib/data_objects/command.rb:61:in `gsub!'
	from /opt/local/lib/ruby/gems/1.8/gems/data_objects-0.10.0/lib/data_objects/command.rb:61:in `escape_sql'
	from /opt/local/lib/ruby/gems/1.8/gems/dm-core-0.10.0/lib/dm-core/adapters/data_objects_adapter.rb:162:in `execute_non_query'
	from /opt/local/lib/ruby/gems/1.8/gems/dm-core-0.10.0/lib/dm-core/adapters/data_objects_adapter.rb:162:in `execute'
	from /opt/local/lib/ruby/gems/1.8/gems/dm-core-0.10.0/lib/dm-core/adapters/data_objects_adapter.rb:266:in `with_connection'
	from /opt/local/lib/ruby/gems/1.8/gems/dm-core-0.10.0/lib/dm-core/adapters/data_objects_adapter.rb:160:in `execute'
	from /opt/local/lib/ruby/gems/1.8/gems/dm-core-0.10.0/lib/dm-core/adapters/data_objects_adapter.rb:58:in `create'
	 ... 7 levels...
	from /opt/local/lib/ruby/gems/1.8/gems/extlib-0.9.13/lib/extlib/hook.rb:297:in `create_hook'
	from /opt/local/lib/ruby/gems/1.8/gems/dm-core-0.10.0/lib/dm-core/resource.rb:567:in `save_self'
	from /opt/local/lib/ruby/gems/1.8/gems/dm-core-0.10.0/lib/dm-core/resource.rb:333:in `save'
	from dm-test.rb:20
zsh: exit 1     ruby dm-test.rb
 ~/Desktop  % 

dm-test.rb

require "rubygems"
gem "dm-core", "0.10.0"
require "dm-core"

class Lecture
  include DataMapper::Resource
  
  property :id,   Serial
  property :date, DateTime
end

DataMapper.setup(:default, 'sqlite3::memory:')
DataMapper.auto_migrate!

params = {"month"=>"08", "hour"=>"11", "day"=>"2", "min"=>"45", "year"=>"2009"}

lec = Lecture.new
lec.date = params
puts lec.date.inspect
lec.save
puts lec.date.inspect