>> Person.establish_connection(:password => "", :adapter => "mysql", :socket => "/var/run/mysqld/mysqld.sock", :username => "root", :database => "test")
=> #<ActiveRecord::Base::ConnectionSpecification:0xb734dd2c @adapter_method="mysql_connection", @config={:password=>"", :adapter=>"mysql", :socket=>"/var/run/mysqld/mysqld.sock", :username=>"root", :database=>"test"}>
>> person = Person.find_by_sql "select * from people"=> [#<Person:0xb7348a5c @attributes={"id"=>"1", "first_name"=>"diego", "last_name"=>"viola"}>]
>> person[0].first_name
=> "diego"
>> person[0].last_name
=> "viola"
>> person[0].id
=> 1
>>