HTML from SQL

html-from.sql

create function home() returns XML
  language sql as $$
select xmlelement(name table,
                  xmlelement(name th, 'Column 1'),
                  xmlelement(name th, 'Column 2'),
                  xmlagg(
                    xmlelement(name tr,
                               xmlforest(column_one as td,
                                         column_two as td))))
from home_page_content;
$$;