CREATE TABLE xmltest (
    id int,
    data xml
);
INSERT INTO xmltest VALUES (1, '<value>one</value>');
ERROR:  no XML support in this installation
INSERT INTO xmltest VALUES (2, '<value>two</value>');
ERROR:  no XML support in this installation
INSERT INTO xmltest VALUES (3, '<wrong');
ERROR:  no XML support in this installation
SELECT * FROM xmltest;
 id | data 
----+------
(0 rows)

SELECT xmlcomment('test');
ERROR:  no XML support in this installation
SELECT xmlcomment('-test');
ERROR:  no XML support in this installation
SELECT xmlcomment('test-');
ERROR:  no XML support in this installation
SELECT xmlcomment('--test');
ERROR:  no XML support in this installation
SELECT xmlcomment('te st');
ERROR:  no XML support in this installation
SELECT xmlconcat(xmlcomment('hello'),
                 xmlelement(NAME qux, 'foo'),
                 xmlcomment('world'));
ERROR:  no XML support in this installation
SELECT xmlconcat('hello', 'you');
ERROR:  no XML support in this installation
SELECT xmlconcat(1, 2);
ERROR:  argument of XMLCONCAT must be type xml, not type integer
SELECT xmlconcat('bad', '<syntax');
ERROR:  no XML support in this installation
SELECT xmlelement(name element,
                  xmlattributes (1 as one, 'deuce' as two),
                  'content');
ERROR:  no XML support in this installation
SELECT xmlelement(name element,
                  xmlattributes ('unnamed and wrong'));
ERROR:  no XML support in this installation
SELECT xmlelement(name element, xmlelement(name nested, 'stuff'));
ERROR:  no XML support in this installation
SELECT xmlelement(name employee, xmlforest(name, age, salary as pay)) FROM emp;
ERROR:  no XML support in this installation
SELECT xmlelement(name wrong, 37);
ERROR:  no XML support in this installation
SELECT xmlpi(name foo);
ERROR:  no XML support in this installation
SELECT xmlpi(name xmlstuff);
ERROR:  no XML support in this installation
SELECT xmlpi(name foo, 'bar');
ERROR:  no XML support in this installation
SELECT xmlpi(name foo, 'in?>valid');
ERROR:  no XML support in this installation
SELECT xmlroot (
  xmlelement (
    name gazonk,
    xmlattributes (
      'val' AS name,
      1 + 1 AS num
    ),
    xmlelement (
      NAME qux,
      'foo'
    )
  ),
  version '1.0',
  standalone yes
);
ERROR:  no XML support in this installation
SELECT xmlserialize(content data as character varying) FROM xmltest;
 data 
------
(0 rows)

-- Check mapping SQL identifier to XML name
SELECT xmlpi(name ":::_xml_abc135.%-&_");
ERROR:  no XML support in this installation
SELECT xmlpi(name "123");
ERROR:  no XML support in this installation