Active Record query

gistfile1.txt

Started GET "/dashboard/" for 127.0.0.1 at 2012-06-01 12:30:45 -0400
Processing by DashboardController#index as HTML
Completed 500 Internal Server Error in 1ms

ArgumentError (wrong number of arguments (3 for 2)):
  app/controllers/dashboard_controller.rb:34:in `index'


  Rendered /usr/local/rvm/gems/ruby-1.9.2-p0/gems/actionpack-3.2.3/lib/action_dispatch/middleware/templates/rescues/_trace.erb (5.5ms)
  Rendered /usr/local/rvm/gems/ruby-1.9.2-p0/gems/actionpack-3.2.3/lib/action_dispatch/middleware/templates/rescues/_request_and_response.erb (1.3ms)
  Rendered /usr/local/rvm/gems/ruby-1.9.2-p0/gems/actionpack-3.2.3/lib/action_dispatch/middleware/templates/rescues/diagnostics.erb within rescues/layout (16.4ms)

------

#database.yaml
development:
  adapter: informix
  server: server
  database: dbname
  username: user
  password: pass

#model
class Client < ActiveRecord::Base
  establish_connection 'development'
  self.table_name = 'resource'
  self.primary_key = 'resourceid'
end

#Controller
  #doesn't work!
  @client=Client.find(10)
  #works
  @client=Client.connection.select_all("select * from resource where resourceid=10")

#View
def index
  [email protected]
end

ERROR:
wrong number of arguments (3 for 2) on line   @client=Client.find(10)