# File libgda/sample/sql_console.rb, line 52
def do_stuff(ds)
    client = Gda::Client.new
    client.open_connection(ds.name, ds.username, ds.password) do |conn|
        puts "Connected."
        while line = readline("> ", true) do
            raise Interrupt if line.downcase =~ /^(exit|quit)$/
            next if line.strip.empty?
            puts sql_execute(conn, line) 
        end
    end
end