jruby_dm_prop_order_importance.rb

# Either datamapper or data objects has some weird behavior on jruby.
# When an empty text field comes before an integer field in a select,
# the integer field is clobbered.

require 'yaml'
require 'rubygems'
require 'dm-core'


class A
  include DataMapper::Resource
  property :id,Serial
  property :txt,Text
end

DataMapper.setup :default,"mysql://root@localhost/testing"
DataMapper.auto_migrate!
A.create :txt=>'no clobbering time'
A.create
puts repository(:default).adapter.query('SELECT txt,id from `as`;').to_yaml
#from jruby
#--- 
#- !ruby/struct:#<Class:01x40395aaf> 
#  txt: no clobbering time
#  id: 1
#- !ruby/struct:#<Class:01x40395aaf> 
#  txt: 
#  id:   << ????

#MRI interpreter
#--- 
#- !ruby/struct: 
#  txt: !str:Extlib::ByteArray no clobbering time
#  id: 1
#- !ruby/struct: 
#  txt: 
#  id: 2