How to create ActiveRecord classes on the fly

gistfile1.rbx

def create_activerecord_class table_name 
  Class.new(ActiveRecord::Base) do
     set_table_name table_name
  end
end

# I already have a users db table
# So in the console...
>> AnotherUser = create_activerecord_class(:users)
=> AnotherUser(id: integer, first_name: string, last_name: string, ...... )

>> AnotherUser.count
=> 29605