gistfile1.rb

    @res = ActiveRecord::Base.establish_connection(:password=>"xxx", :port=>5432, :username=>"postgres", :adapter=>"postgresql", :encoding=>"utf8", :min_messages=>"warning", :database=>"transat", :host=>"000.000.000.000")
    con = ActiveRecord::Base.connection


    attrs = con.columns("tr_veiculo")
    attrs.each do |attr|
        puts attr.name
    end
  end