{
buffer.append(" node spec " + i + " :\n");
StringWriter buf = new StringWriter();
PrintWriter printer = new PrintWriter(buf);
IndentWriter indentWriter = new IndentWriter(printer, 4, 2);
if (planNodeSpecs[i] != null)
{
planNodeSpecs[i].print(indentWriter);
}
else
{
indentWriter.println("no plan (historical)");
}
buffer.append(buf.toString());
}