Ruby 1.8.5-p12
Rails 1.2.2
ActiveSalesforce 1.1.0

# environment.rb
Rails::Initializer.run do |config|   
    # Add Salesforce support into ActiveRecord
    require_gem 'activesalesforce' 
end

# database.yaml
adapter: activesalesforce
url: https://test.salesforce.com
username: <username>
password: <password>


Then I got these errors:

Code:

=> Booting WEBrick...
c:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:263:in `load_missing_constant': uninitialized constant ActiveRecord::ConnectionAdapters::Column (NameError)
        from c:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:452:in `const_missing'
        from c:/ruby/lib/ruby/gems/1.8/gems/activesalesforce-1.1.0/lib/column_definition.rb:32
        from c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require'
        from c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require'
        from c:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:495:in `require'
        from c:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:342:in `new_constants_in'
        from c:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:495:in `require'
        from c:/ruby/lib/ruby/gems/1.8/gems/activesalesforce-1.1.0/lib/asf_adapter.rb:25
         ... 30 levels...
        from c:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.2/lib/commands/server.rb:39
        from c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require'
        from c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require'
        from server:3