Quelle xml_1.out Sprache: unbekannt

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CREATE TABLE xmltest (
 id int,
 data xml
);
INSERT INTO xmltest VALUES (1, '<value>one</value>');
ERROR: unsupported XML feature
LINE 1: INSERT INTO xmltest VALUES (1, '<value>one</value>');
 ^
DETAIL: This functionality requires the server to be built with libxml support.
INSERT INTO xmltest VALUES (2, '<value>two</value>');
ERROR: unsupported XML feature
LINE 1: INSERT INTO xmltest VALUES (2, '<value>two</value>');
 ^
DETAIL: This functionality requires the server to be built with libxml support.
INSERT INTO xmltest VALUES (3, '<wrong');
ERROR: unsupported XML feature
LINE 1: INSERT INTO xmltest VALUES (3, '<wrong');
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT * FROM xmltest;
id | data
----+------
(0 rows)

-- test non-throwing API, too
SELECT pg_input_is_valid('<value>one</value>', 'xml');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT pg_input_is_valid('<value>one</', 'xml');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT message FROM pg_input_error_info('<value>one</', 'xml');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT pg_input_is_valid('<?xml version="1.0" standalone="y"?><foo/>', 'xml');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT message FROM pg_input_error_info('<?xml version="1.0" standalone="y"?><foo/>', 'xml');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlcomment('test');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlcomment('-test');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlcomment('test-');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlcomment('--test');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlcomment('te st');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlconcat(xmlcomment('hello'),
 xmlelement(NAME qux, 'foo'),
 xmlcomment('world'));
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlconcat('hello', 'you');
ERROR: unsupported XML feature
LINE 1: SELECT xmlconcat('hello', 'you');
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlconcat(1, 2);
ERROR: argument of XMLCONCAT must be type xml, not type integer
LINE 1: SELECT xmlconcat(1, 2);
 ^
SELECT xmlconcat('bad', '<syntax');
ERROR: unsupported XML feature
LINE 1: SELECT xmlconcat('bad', '<syntax');
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlconcat('<foo/>', NULL, '<?xml version="1.1" standalone="no"?><bar/>');
ERROR: unsupported XML feature
LINE 1: SELECT xmlconcat('<foo/>', NULL, '<?xml version="1.1" standa...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlconcat('<?xml version="1.1"?><foo/>', NULL, '<?xml version="1.1" standalone="no"?><bar/>');
ERROR: unsupported XML feature
LINE 1: SELECT xmlconcat('<?xml version="1.1"?><foo/>', NULL, '<?xml...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlconcat(NULL);
xmlconcat
-----------

(1 row)

SELECT xmlconcat(NULL, NULL);
xmlconcat
-----------

(1 row)

SELECT xmlelement(name element,
 xmlattributes (1 as one, 'deuce' as two),
 'content');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlelement(name element,
 xmlattributes ('unnamed and wrong'));
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlelement(name element, xmlelement(name nested, 'stuff'));
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlelement(name employee, xmlforest(name, age, salary as pay)) FROM emp;
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlelement(name duplicate, xmlattributes(1 as a, 2 as b, 3 as a));
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlelement(name num, 37);
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlelement(name foo, text 'bar');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlelement(name foo, xml 'bar');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlelement(name foo, text 'b<a/>r');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlelement(name foo, xml 'b<a/>r');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlelement(name foo, array[1, 2, 3]);
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SET xmlbinary TO base64;
SELECT xmlelement(name foo, bytea 'bar');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SET xmlbinary TO hex;
SELECT xmlelement(name foo, bytea 'bar');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlelement(name foo, xmlattributes(true as bar));
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlelement(name foo, xmlattributes('2009-04-09 00:24:37'::timestamp as bar));
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlelement(name foo, xmlattributes('infinity'::timestamp as bar));
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlelement(name foo, xmlattributes('<>&"''' as funny, xml 'b<a/>r' as funnier));
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlparse(content '');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlparse(content ' ');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlparse(content 'abc');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlparse(content '<abc>x</abc>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlparse(content '<invalidentity>&</invalidentity>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlparse(content '<undefinedentity>&idontexist;</undefinedentity>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlparse(content '<invalidns xmlns=''<''/>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlparse(content '<relativens xmlns=''relative''/>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlparse(content '<twoerrors>&idontexist;</unbalanced>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlparse(content '<nosuchprefix:tag/>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlparse(document ' ');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlparse(document 'abc');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlparse(document '<abc>x</abc>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlparse(document '<invalidentity>&</abc>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlparse(document '<undefinedentity>&idontexist;</abc>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlparse(document '<invalidns xmlns=''<''/>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlparse(document '<relativens xmlns=''relative''/>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlparse(document '<twoerrors>&idontexist;</unbalanced>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlparse(document '<nosuchprefix:tag/>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlpi(name foo);
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlpi(name xml);
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlpi(name xmlstuff);
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlpi(name foo, 'bar');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlpi(name foo, 'in?>valid');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlpi(name foo, null);
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlpi(name xml, null);
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlpi(name xmlstuff, null);
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlpi(name "xml-stylesheet", 'href="mystyle.css" type="text/css"');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlpi(name foo, ' bar');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlroot(xml '<foo/>', version no value, standalone no value);
ERROR: unsupported XML feature
LINE 1: SELECT xmlroot(xml '<foo/>', version no value, standalone no...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlroot(xml '<foo/>', version '2.0');
ERROR: unsupported XML feature
LINE 1: SELECT xmlroot(xml '<foo/>', version '2.0');
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlroot(xml '<foo/>', version no value, standalone yes);
ERROR: unsupported XML feature
LINE 1: SELECT xmlroot(xml '<foo/>', version no value, standalone ye...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlroot(xml '<?xml version="1.1"?><foo/>', version no value, standalone yes);
ERROR: unsupported XML feature
LINE 1: SELECT xmlroot(xml '<?xml version="1.1"?><foo/>', version no...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlroot(xmlroot(xml '<foo/>', version '1.0'), version '1.1', standalone no);
ERROR: unsupported XML feature
LINE 1: SELECT xmlroot(xmlroot(xml '<foo/>', version '1.0'), version...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlroot('<?xml version="1.1" standalone="yes"?><foo/>', version no value, standalone no);
ERROR: unsupported XML feature
LINE 1: SELECT xmlroot('<?xml version="1.1" standalone="yes"?><foo/>...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlroot('<?xml version="1.1" standalone="yes"?><foo/>', version no value, standalone no value);
ERROR: unsupported XML feature
LINE 1: SELECT xmlroot('<?xml version="1.1" standalone="yes"?><foo/>...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlroot('<?xml version="1.1" standalone="yes"?><foo/>', version no value);
ERROR: unsupported XML feature
LINE 1: SELECT xmlroot('<?xml version="1.1" standalone="yes"?><foo/>...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlroot (
 xmlelement (
 name gazonk,
 xmlattributes (
 'val' AS name,
 1 + 1 AS num
 ),
 xmlelement (
 NAME qux,
 'foo'
 )
 ),
 version '1.0',
 standalone yes
);
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlserialize(content data as character varying(20)) FROM xmltest;
xmlserialize
--------------
(0 rows)

SELECT xmlserialize(content 'good' as char(10));
ERROR: unsupported XML feature
LINE 1: SELECT xmlserialize(content 'good' as char(10));
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlserialize(document 'bad' as text);
ERROR: unsupported XML feature
LINE 1: SELECT xmlserialize(document 'bad' as text);
 ^
DETAIL: This functionality requires the server to be built with libxml support.
-- indent
SELECT xmlserialize(DOCUMENT '<foo><bar><val x="y">42</val></bar></foo>' AS text INDENT);
ERROR: unsupported XML feature
LINE 1: SELECT xmlserialize(DOCUMENT '<foo><bar><val x="y">42</val><...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlserialize(CONTENT '<foo><bar><val x="y">42</val></bar></foo>' AS text INDENT);
ERROR: unsupported XML feature
LINE 1: SELECT xmlserialize(CONTENT '<foo><bar><val x="y">42</val><...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
-- no indent
SELECT xmlserialize(DOCUMENT '<foo><bar><val x="y">42</val></bar></foo>' AS text NO INDENT);
ERROR: unsupported XML feature
LINE 1: SELECT xmlserialize(DOCUMENT '<foo><bar><val x="y">42</val><...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlserialize(CONTENT '<foo><bar><val x="y">42</val></bar></foo>' AS text NO INDENT);
ERROR: unsupported XML feature
LINE 1: SELECT xmlserialize(CONTENT '<foo><bar><val x="y">42</val><...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
-- indent non singly-rooted xml
SELECT xmlserialize(DOCUMENT '<foo>73</foo><bar><val x="y">42</val></bar>' AS text INDENT);
ERROR: unsupported XML feature
LINE 1: SELECT xmlserialize(DOCUMENT '<foo>73</foo><bar><val x="y">4...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlserialize(CONTENT '<foo>73</foo><bar><val x="y">42</val></bar>' AS text INDENT);
ERROR: unsupported XML feature
LINE 1: SELECT xmlserialize(CONTENT '<foo>73</foo><bar><val x="y">4...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
-- indent non singly-rooted xml with mixed contents
SELECT xmlserialize(DOCUMENT 'text node<foo>73</foo>text node<bar><val x="y">42</val></bar>' AS text INDENT);
ERROR: unsupported XML feature
LINE 1: SELECT xmlserialize(DOCUMENT 'text node<foo>73</foo>text nod...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlserialize(CONTENT 'text node<foo>73</foo>text node<bar><val x="y">42</val></bar>' AS text INDENT);
ERROR: unsupported XML feature
LINE 1: SELECT xmlserialize(CONTENT 'text node<foo>73</foo>text nod...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
-- indent singly-rooted xml with mixed contents
SELECT xmlserialize(DOCUMENT '<foo><bar><val x="y">42</val><val x="y">text node<val>73</val></val></bar></foo>' AS text INDENT);
ERROR: unsupported XML feature
LINE 1: SELECT xmlserialize(DOCUMENT '<foo><bar><val x="y">42</val><...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlserialize(CONTENT '<foo><bar><val x="y">42</val><val x="y">text node<val>73</val></val></bar></foo>' AS text INDENT);
ERROR: unsupported XML feature
LINE 1: SELECT xmlserialize(CONTENT '<foo><bar><val x="y">42</val><...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
-- indent empty string
SELECT xmlserialize(DOCUMENT '' AS text INDENT);
ERROR: unsupported XML feature
LINE 1: SELECT xmlserialize(DOCUMENT '' AS text INDENT);
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlserialize(CONTENT '' AS text INDENT);
ERROR: unsupported XML feature
LINE 1: SELECT xmlserialize(CONTENT '' AS text INDENT);
 ^
DETAIL: This functionality requires the server to be built with libxml support.
-- whitespaces
SELECT xmlserialize(DOCUMENT ' ' AS text INDENT);
ERROR: unsupported XML feature
LINE 1: SELECT xmlserialize(DOCUMENT ' ' AS text INDENT);
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlserialize(CONTENT ' ' AS text INDENT);
ERROR: unsupported XML feature
LINE 1: SELECT xmlserialize(CONTENT ' ' AS text INDENT);
 ^
DETAIL: This functionality requires the server to be built with libxml support.
-- indent null
SELECT xmlserialize(DOCUMENT NULL AS text INDENT);
xmlserialize
--------------

(1 row)

SELECT xmlserialize(CONTENT NULL AS text INDENT);
xmlserialize
--------------

(1 row)

-- indent with XML declaration
SELECT xmlserialize(DOCUMENT '<?xml version="1.0" encoding="UTF-8"?><foo><bar><val>73</val></bar></foo>' AS text INDENT);
ERROR: unsupported XML feature
LINE 1: SELECT xmlserialize(DOCUMENT '<?xml version="1.0" encoding="...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlserialize(CONTENT '<?xml version="1.0" encoding="UTF-8"?><foo><bar><val>73</val></bar></foo>' AS text INDENT);
ERROR: unsupported XML feature
LINE 1: SELECT xmlserialize(CONTENT '<?xml version="1.0" encoding="...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
-- indent containing DOCTYPE declaration
SELECT xmlserialize(DOCUMENT '<!DOCTYPE a><a/>' AS text INDENT);
ERROR: unsupported XML feature
LINE 1: SELECT xmlserialize(DOCUMENT '<!DOCTYPE a><a/>' AS text INDE...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlserialize(CONTENT '<!DOCTYPE a><a/>' AS text INDENT);
ERROR: unsupported XML feature
LINE 1: SELECT xmlserialize(CONTENT '<!DOCTYPE a><a/>' AS text INDE...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
-- indent xml with empty element
SELECT xmlserialize(DOCUMENT '<foo><bar></bar></foo>' AS text INDENT);
ERROR: unsupported XML feature
LINE 1: SELECT xmlserialize(DOCUMENT '<foo><bar></bar></foo>' AS tex...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlserialize(CONTENT '<foo><bar></bar></foo>' AS text INDENT);
ERROR: unsupported XML feature
LINE 1: SELECT xmlserialize(CONTENT '<foo><bar></bar></foo>' AS tex...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
-- 'no indent' = not using 'no indent'
SELECT xmlserialize(DOCUMENT '<foo><bar><val x="y">42</val></bar></foo>' AS text) = xmlserialize(DOCUMENT '<foo><bar><val x="y">42</val></bar></foo>' AS text NO INDENT);
ERROR: unsupported XML feature
LINE 1: SELECT xmlserialize(DOCUMENT '<foo><bar><val x="y">42</val><...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlserialize(CONTENT '<foo><bar><val x="y">42</val></bar></foo>' AS text) = xmlserialize(CONTENT '<foo><bar><val x="y">42</val></bar></foo>' AS text NO INDENT);
ERROR: unsupported XML feature
LINE 1: SELECT xmlserialize(CONTENT '<foo><bar><val x="y">42</val><...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
-- indent xml strings containing blank nodes
SELECT xmlserialize(DOCUMENT '<foo> <bar></bar> </foo>' AS text INDENT);
ERROR: unsupported XML feature
LINE 1: SELECT xmlserialize(DOCUMENT '<foo> <bar></bar> </foo>'...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlserialize(CONTENT 'text node<foo> <bar></bar> </foo>' AS text INDENT);
ERROR: unsupported XML feature
LINE 1: SELECT xmlserialize(CONTENT 'text node<foo> <bar></bar> ...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xml '<foo>bar</foo>' IS DOCUMENT;
ERROR: unsupported XML feature
LINE 1: SELECT xml '<foo>bar</foo>' IS DOCUMENT;
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xml '<foo>bar</foo><bar>foo</bar>' IS DOCUMENT;
ERROR: unsupported XML feature
LINE 1: SELECT xml '<foo>bar</foo><bar>foo</bar>' IS DOCUMENT;
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xml '<abc/>' IS NOT DOCUMENT;
ERROR: unsupported XML feature
LINE 1: SELECT xml '<abc/>' IS NOT DOCUMENT;
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xml 'abc' IS NOT DOCUMENT;
ERROR: unsupported XML feature
LINE 1: SELECT xml 'abc' IS NOT DOCUMENT;
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT '<>' IS NOT DOCUMENT;
ERROR: unsupported XML feature
LINE 1: SELECT '<>' IS NOT DOCUMENT;
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlagg(data) FROM xmltest;
xmlagg
--------

(1 row)

SELECT xmlagg(data) FROM xmltest WHERE id > 10;
xmlagg
--------

(1 row)

SELECT xmlelement(name employees, xmlagg(xmlelement(name name, name))) FROM emp;
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
-- Check mapping SQL identifier to XML name
SELECT xmlpi(name ":::_xml_abc135.%-&_");
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlpi(name "123");
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
PREPARE foo (xml) AS SELECT xmlconcat('<foo/>', $1);
ERROR: unsupported XML feature
LINE 1: PREPARE foo (xml) AS SELECT xmlconcat('<foo/>', $1);
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SET XML OPTION DOCUMENT;
EXECUTE foo ('<bar/>');
ERROR: prepared statement "foo" does not exist
EXECUTE foo ('bad');
ERROR: prepared statement "foo" does not exist
SELECT xml '<!DOCTYPE a><a/>';
ERROR: unsupported XML feature
LINE 1: SELECT xml '<!DOCTYPE a><a/>';
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SET XML OPTION CONTENT;
EXECUTE foo ('<bar/>');
ERROR: prepared statement "foo" does not exist
EXECUTE foo ('good');
ERROR: prepared statement "foo" does not exist
SELECT xml ' <?y z?> <!DOCTYPE a><a/>';
ERROR: unsupported XML feature
LINE 1: SELECT xml ' <?y z?...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xml '<?xml version="1.0"?>  <!DOCTYPE a><a/>';
ERROR: unsupported XML feature
LINE 1: SELECT xml '<?xml version="1.0"?>  <!DOCTYPE a><a/...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xml '<!DOCTYPE a><a/>';
ERROR: unsupported XML feature
LINE 1: SELECT xml '<!DOCTYPE a><a/>';
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xml ' oops <!DOCTYPE a><a/>';
ERROR: unsupported XML feature
LINE 1: SELECT xml ' oops <!DOCTYPE a><a/>';
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xml ' <oops/> <!DOCTYPE a><a/>';
ERROR: unsupported XML feature
LINE 1: SELECT xml ' <oops/> <!DOCTYPE a><a/>';
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xml '<!DOCTYPE a><a/>';
ERROR: unsupported XML feature
LINE 1: SELECT xml '<!DOCTYPE a><a/>';
 ^
DETAIL: This functionality requires the server to be built with libxml support.
-- Test backwards parsing
CREATE VIEW xmlview1 AS SELECT xmlcomment('test');
CREATE VIEW xmlview2 AS SELECT xmlconcat('hello', 'you');
ERROR: unsupported XML feature
LINE 1: CREATE VIEW xmlview2 AS SELECT xmlconcat('hello', 'you');
 ^
DETAIL: This functionality requires the server to be built with libxml support.
CREATE VIEW xmlview3 AS SELECT xmlelement(name element, xmlattributes (1 as ":one:", 'deuce' as two), 'content&');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
CREATE VIEW xmlview4 AS SELECT xmlelement(name employee, xmlforest(name, age, salary as pay)) FROM emp;
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
CREATE VIEW xmlview5 AS SELECT xmlparse(content '<abc>x</abc>');
CREATE VIEW xmlview6 AS SELECT xmlpi(name foo, 'bar');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
CREATE VIEW xmlview7 AS SELECT xmlroot(xml '<foo/>', version no value, standalone yes);
ERROR: unsupported XML feature
LINE 1: CREATE VIEW xmlview7 AS SELECT xmlroot(xml '<foo/>', version...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
CREATE VIEW xmlview8 AS SELECT xmlserialize(content 'good' as char(10));
ERROR: unsupported XML feature
LINE 1: ...EATE VIEW xmlview8 AS SELECT xmlserialize(content 'good' as ...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
CREATE VIEW xmlview9 AS SELECT xmlserialize(content 'good' as text);
ERROR: unsupported XML feature
LINE 1: ...EATE VIEW xmlview9 AS SELECT xmlserialize(content 'good' as ...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
CREATE VIEW xmlview10 AS SELECT xmlserialize(document '<foo><bar>42</bar></foo>' AS text indent);
ERROR: unsupported XML feature
LINE 1: ...TE VIEW xmlview10 AS SELECT xmlserialize(document '<foo><bar...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
CREATE VIEW xmlview11 AS SELECT xmlserialize(document '<foo><bar>42</bar></foo>' AS character varying no indent);
ERROR: unsupported XML feature
LINE 1: ...TE VIEW xmlview11 AS SELECT xmlserialize(document '<foo><bar...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT table_name, view_definition FROM information_schema.views
 WHERE table_name LIKE 'xmlview%' ORDER BY 1;
table_name | view_definition
------------+--------------------------------------------------------------------------------
xmlview1 | SELECT xmlcomment('test'::text) AS xmlcomment;
xmlview5 | SELECT XMLPARSE(CONTENT '<abc>x</abc>'::text STRIP WHITESPACE) AS "xmlparse";
(2 rows)

-- Text XPath expressions evaluation
SELECT xpath('/value', data) FROM xmltest;
xpath
-------
(0 rows)

SELECT xpath(NULL, NULL) IS NULL FROM xmltest;
?column?
----------
(0 rows)

SELECT xpath('', '');
ERROR: unsupported XML feature
LINE 1: SELECT xpath('', '');
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xpath('//text()', '<local:data xmlns:local="http:// style='color: green'>127.0.0.1"><local:piece id="1">number one</local:piece><local:piece id="2" /></local:data>');
ERROR: unsupported XML feature
LINE 1: SELECT xpath('//text()', '<local:data xmlns:local="http:// style='color: green'>12...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xpath('//loc:piece/@id', '<local:data xmlns:local="http:// style='color: green'>127.0.0.1"><local:piece id="1">number one</local:piece><local:piece id="2" /></local:data>', ARRAY[ARRAY['loc', 'http://127.0.0.1']]);
ERROR: unsupported XML feature
LINE 1: SELECT xpath('//loc:piece/@id', '<local:data xmlns:local="ht...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xpath('//loc:piece', '<local:data xmlns:local="http:// style='color: green'>127.0.0.1"><local:piece id="1">number one</local:piece><local:piece id="2" /></local:data>', ARRAY[ARRAY['loc', 'http://127.0.0.1']]);
ERROR: unsupported XML feature
LINE 1: SELECT xpath('//loc:piece', '<local:data xmlns:local="http:/...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xpath('//loc:piece', '<local:data xmlns:local="http:// style='color: green'>127.0.0.1" xmlns="http://127.0.0.2"><local:piece id="1"><internal>number one</internal><internal2/></local:piece><local:piece id="2" /></local:data>', ARRAY[ARRAY['loc', 'http://127.0.0.1']]);
ERROR: unsupported XML feature
LINE 1: SELECT xpath('//loc:piece', '<local:data xmlns:local="http:/...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xpath('//b', '<a>one two three etc</a>');
ERROR: unsupported XML feature
LINE 1: SELECT xpath('//b', '<a>one two three etc</a>'...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xpath('//text()', '<root><</root>');
ERROR: unsupported XML feature
LINE 1: SELECT xpath('//text()', '<root><</root>');
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xpath('//@value', '<root value="<"/>');
ERROR: unsupported XML feature
LINE 1: SELECT xpath('//@value', '<root value="<"/>');
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xpath('''<<invalid>>''', '<root/>');
ERROR: unsupported XML feature
LINE 1: SELECT xpath('''<<invalid>>''', '<root/>');
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xpath('count(//*)', '<root></root>');
ERROR: unsupported XML feature
LINE 1: SELECT xpath('count(//*)', '<root></root>');
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xpath('count(//*)=0', '<root></root>');
ERROR: unsupported XML feature
LINE 1: SELECT xpath('count(//*)=0', '<root></root>');
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xpath('count(//*)=3', '<root></root>');
ERROR: unsupported XML feature
LINE 1: SELECT xpath('count(//*)=3', '<root></root>');
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xpath('name(/*)', '<root></root>');
ERROR: unsupported XML feature
LINE 1: SELECT xpath('name(/*)', '<root></root>');
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xpath('/nosuchtag', '<root/>');
ERROR: unsupported XML feature
LINE 1: SELECT xpath('/nosuchtag', '<root/>');
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xpath('root', '<root/>');
ERROR: unsupported XML feature
LINE 1: SELECT xpath('root', '<root/>');
 ^
DETAIL: This functionality requires the server to be built with libxml support.
-- Round-trip non-ASCII data through xpath().
DO $$
DECLARE
 xml_declaration text := '<?xml version="1.0" encoding="ISO-8859-1"?>';
 degree_symbol text;
 res xml[];
BEGIN
 -- Per the documentation, except when the server encoding is UTF8, xpath()
 -- may not work on non-ASCII data. The untranslatable_character and
 -- undefined_function traps below, currently dead code, will become relevant
 -- if we remove this limitation.
 IF current_setting('server_encoding') <> 'UTF8' THEN
 RAISE LOG 'skip: encoding % unsupported for xpath',
 current_setting('server_encoding');
 RETURN;
 END IF;

 degree_symbol := convert_from('\xc2b0', 'UTF8');
 res := xpath('text()', (xml_declaration ||
 '<x>' || degree_symbol || '</x>')::xml);
 IF degree_symbol <> res[1]::text THEN
 RAISE 'expected % (%), got % (%)',
 degree_symbol, convert_to(degree_symbol, 'UTF8'),
 res[1], convert_to(res[1]::text, 'UTF8');
 END IF;
EXCEPTION
 -- character with byte sequence 0xc2 0xb0 in encoding "UTF8" has no equivalent in encoding "LATIN8"
 WHEN untranslatable_character
 -- default conversion function for encoding "UTF8" to "MULE_INTERNAL" does not exist
 OR undefined_function
 -- unsupported XML feature
 OR feature_not_supported THEN
 RAISE LOG 'skip: %', SQLERRM;
END
$$;
-- Test xmlexists and xpath_exists
SELECT xmlexists('//town[text() = ''Toronto'']' PASSING BY REF '<towns><town>Bidford-on-Avon</town><town>Cwmbran</town><town>Bristol</town></towns>');
ERROR: unsupported XML feature
LINE 1: ...sts('//town[text() = ''Toronto'']' PASSING BY REF '<towns><t...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlexists('//town[text() = ''Cwmbran'']' PASSING BY REF '<towns><town>Bidford-on-Avon</town><town>Cwmbran</town><town>Bristol</town></towns>');
ERROR: unsupported XML feature
LINE 1: ...sts('//town[text() = ''Cwmbran'']' PASSING BY REF '<towns><t...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmlexists('count(/nosuchtag)' PASSING BY REF '<root/>');
ERROR: unsupported XML feature
LINE 1: ...LECT xmlexists('count(/nosuchtag)' PASSING BY REF '<root/>')...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xpath_exists('//town[text() = ''Toronto'']','<towns><town>Bidford-on-Avon</town><town>Cwmbran</town><town>Bristol</town></towns>'::xml);
ERROR: unsupported XML feature
LINE 1: ...ELECT xpath_exists('//town[text() = ''Toronto'']','<towns><t...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xpath_exists('//town[text() = ''Cwmbran'']','<towns><town>Bidford-on-Avon</town><town>Cwmbran</town><town>Bristol</town></towns>'::xml);
ERROR: unsupported XML feature
LINE 1: ...ELECT xpath_exists('//town[text() = ''Cwmbran'']','<towns><t...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xpath_exists('count(/nosuchtag)', '<root/>'::xml);
ERROR: unsupported XML feature
LINE 1: SELECT xpath_exists('count(/nosuchtag)', '<root/>'::xml);
 ^
DETAIL: This functionality requires the server to be built with libxml support.
INSERT INTO xmltest VALUES (4, '<menu><beers><name>Budvar</name><cost>free</cost><name>Carling</name><cost>lots</cost></beers></menu>'::xml);
ERROR: unsupported XML feature
LINE 1: INSERT INTO xmltest VALUES (4, '<menu><beers><name>Budvar</n...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
INSERT INTO xmltest VALUES (5, '<menu><beers><name>Molson</name><cost>free</cost><name>Carling</name><cost>lots</cost></beers></menu>'::xml);
ERROR: unsupported XML feature
LINE 1: INSERT INTO xmltest VALUES (5, '<menu><beers><name>Molson</n...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
INSERT INTO xmltest VALUES (6, '<myns:menu xmlns:myns="http://myns.com"><myns:beers><myns:name>Budvar</myns:name><myns:cost>free</myns:cost><myns:name>Carling</myns:name><myns:cost>lots</myns:cost></myns:beers></myns:menu>'::xml);
ERROR: unsupported XML feature
LINE 1: INSERT INTO xmltest VALUES (6, '<myns:menu xmlns:myns="http:...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
INSERT INTO xmltest VALUES (7, '<myns:menu xmlns:myns="http://myns.com"><myns:beers><myns:name>Molson</myns:name><myns:cost>free</myns:cost><myns:name>Carling</myns:name><myns:cost>lots</myns:cost></myns:beers></myns:menu>'::xml);
ERROR: unsupported XML feature
LINE 1: INSERT INTO xmltest VALUES (7, '<myns:menu xmlns:myns="http:...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT COUNT(id) FROM xmltest WHERE xmlexists('/menu/beer' PASSING data);
count
-------
 0
(1 row)

SELECT COUNT(id) FROM xmltest WHERE xmlexists('/menu/beer' PASSING BY REF data BY REF);
count
-------
 0
(1 row)

SELECT COUNT(id) FROM xmltest WHERE xmlexists('/menu/beers' PASSING BY REF data);
count
-------
 0
(1 row)

SELECT COUNT(id) FROM xmltest WHERE xmlexists('/menu/beers/name[text() = ''Molson'']' PASSING BY REF data);
count
-------
 0
(1 row)

SELECT COUNT(id) FROM xmltest WHERE xpath_exists('/menu/beer',data);
count
-------
 0
(1 row)

SELECT COUNT(id) FROM xmltest WHERE xpath_exists('/menu/beers',data);
count
-------
 0
(1 row)

SELECT COUNT(id) FROM xmltest WHERE xpath_exists('/menu/beers/name[text() = ''Molson'']',data);
count
-------
 0
(1 row)

SELECT COUNT(id) FROM xmltest WHERE xpath_exists('/myns:menu/myns:beer',data,ARRAY[ARRAY['myns','http://myns.com']]);
count
-------
 0
(1 row)

SELECT COUNT(id) FROM xmltest WHERE xpath_exists('/myns:menu/myns:beers',data,ARRAY[ARRAY['myns','http://myns.com']]);
count
-------
 0
(1 row)

SELECT COUNT(id) FROM xmltest WHERE xpath_exists('/myns:menu/myns:beers/myns:name[text() = ''Molson'']',data,ARRAY[ARRAY['myns','http://myns.com']]);
count
-------
 0
(1 row)

CREATE TABLE query ( expr TEXT );
INSERT INTO query VALUES ('/menu/beers/cost[text() = ''lots'']');
SELECT COUNT(id) FROM xmltest, query WHERE xmlexists(expr PASSING BY REF data);
count
-------
 0
(1 row)

-- Test xml_is_well_formed and variants
SELECT xml_is_well_formed_document('<foo>bar</foo>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xml_is_well_formed_document('abc');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xml_is_well_formed_content('<foo>bar</foo>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xml_is_well_formed_content('abc');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SET xmloption TO DOCUMENT;
SELECT xml_is_well_formed('abc');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xml_is_well_formed('<>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xml_is_well_formed('<abc/>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xml_is_well_formed('<foo>bar</foo>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xml_is_well_formed('<foo>bar</foo');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xml_is_well_formed('<foo><bar>baz</foo>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xml_is_well_formed('<local:data xmlns:local="http:// style='color: green'>127.0.0.1"><local:piece id="1">number one</local:piece><local:piece id="2" /></local:data>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xml_is_well_formed('<pg:foo xmlns:pg="http://postgresql.org/stuff">bar</my:foo>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xml_is_well_formed('<pg:foo xmlns:pg="http://postgresql.org/stuff">bar</pg:foo>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xml_is_well_formed('<invalidentity>&</abc>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xml_is_well_formed('<undefinedentity>&idontexist;</abc>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xml_is_well_formed('<invalidns xmlns=''<''/>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xml_is_well_formed('<relativens xmlns=''relative''/>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xml_is_well_formed('<twoerrors>&idontexist;</unbalanced>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SET xmloption TO CONTENT;
SELECT xml_is_well_formed('abc');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
-- Since xpath() deals with namespaces, it's a bit stricter about
-- what's well-formed and what's not. If we don't obey these rules
-- (i.e. ignore namespace-related errors from libxml), xpath()
-- fails in subtle ways. The following would for example produce
-- the xml value
-- <invalidns xmlns='<'/>
-- which is invalid because '<' may not appear un-escaped in
-- attribute values.
-- Since different libxml versions emit slightly different
-- error messages, we suppress the DETAIL in this test.
\set VERBOSITY terse
SELECT xpath('/*', '<invalidns xmlns=''<''/>');
ERROR: unsupported XML feature at character 20
\set VERBOSITY default
-- Again, the XML isn't well-formed for namespace purposes
SELECT xpath('/*', '<nosuchprefix:tag/>');
ERROR: unsupported XML feature
LINE 1: SELECT xpath('/*', '<nosuchprefix:tag/>');
 ^
DETAIL: This functionality requires the server to be built with libxml support.
-- XPath deprecates relative namespaces, but they're not supposed to
-- throw an error, only a warning.
SELECT xpath('/*', '<relativens xmlns=''relative''/>');
ERROR: unsupported XML feature
LINE 1: SELECT xpath('/*', '<relativens xmlns=''relative''/>');
 ^
DETAIL: This functionality requires the server to be built with libxml support.
-- External entity references should not leak filesystem information.
SELECT XMLPARSE(DOCUMENT '<!DOCTYPE foo [<!ENTITY c SYSTEM "/etc/passwd">]><foo>&c;</foo>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT XMLPARSE(DOCUMENT '<!DOCTYPE foo [<!ENTITY c SYSTEM "/etc/no.such.file">]><foo>&c;</foo>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
-- This might or might not load the requested DTD, but it mustn't throw error.
SELECT XMLPARSE(DOCUMENT '<!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN" "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd"><chapter> </chapter>');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
-- XMLPATH tests
CREATE TABLE xmldata(data xml);
INSERT INTO xmldata VALUES('<ROWS>
<ROW id="1">
 <COUNTRY_ID>AU</COUNTRY_ID>
 <COUNTRY_NAME>Australia</COUNTRY_NAME>
 <REGION_ID>3</REGION_ID>
</ROW>
<ROW id="2">
 <COUNTRY_ID>CN</COUNTRY_ID>
 <COUNTRY_NAME>China</COUNTRY_NAME>
 <REGION_ID>3</REGION_ID>
</ROW>
<ROW id="3">
 <COUNTRY_ID>HK</COUNTRY_ID>
 <COUNTRY_NAME>HongKong</COUNTRY_NAME>
 <REGION_ID>3</REGION_ID>
</ROW>
<ROW id="4">
 <COUNTRY_ID>IN</COUNTRY_ID>
 <COUNTRY_NAME>India</COUNTRY_NAME>
 <REGION_ID>3</REGION_ID>
</ROW>
<ROW id="5">
 <COUNTRY_ID>JP</COUNTRY_ID>
 <COUNTRY_NAME>Japan</COUNTRY_NAME>
 <REGION_ID>3</REGION_ID><PREMIER_NAME>Sinzo Abe</PREMIER_NAME>
</ROW>
<ROW id="6">
 <COUNTRY_ID>SG</COUNTRY_ID>
 <COUNTRY_NAME>Singapore</COUNTRY_NAME>
 <REGION_ID>3</REGION_ID><SIZE unit="km">791</SIZE>
</ROW>
</ROWS>');
ERROR: unsupported XML feature
LINE 1: INSERT INTO xmldata VALUES('<ROWS>
 ^
DETAIL: This functionality requires the server to be built with libxml support.
-- XMLTABLE with columns
SELECT xmltable.*
 FROM (SELECT data FROM xmldata) x,
 LATERAL XMLTABLE('/ROWS/ROW'
 PASSING data
 COLUMNS id int PATH '@id',
 _id FOR ORDINALITY,
 country_name text PATH 'COUNTRY_NAME/text()' NOT NULL,
 country_id text PATH 'COUNTRY_ID',
 region_id int PATH 'REGION_ID',
 size float PATH 'SIZE',
 unit text PATH 'SIZE/@unit',
 premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified');
id | _id | country_name | country_id | region_id | size | unit | premier_name
----+-----+--------------+------------+-----------+------+------+--------------
(0 rows)

CREATE VIEW xmltableview1 AS SELECT xmltable.*
 FROM (SELECT data FROM xmldata) x,
 LATERAL XMLTABLE('/ROWS/ROW'
 PASSING data
 COLUMNS id int PATH '@id',
 _id FOR ORDINALITY,
 country_name text PATH 'COUNTRY_NAME/text()' NOT NULL,
 country_id text PATH 'COUNTRY_ID',
 region_id int PATH 'REGION_ID',
 size float PATH 'SIZE',
 unit text PATH 'SIZE/@unit',
 premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified');
SELECT * FROM xmltableview1;
id | _id | country_name | country_id | region_id | size | unit | premier_name
----+-----+--------------+------------+-----------+------+------+--------------
(0 rows)

\sv xmltableview1
CREATE OR REPLACE VIEW public.xmltableview1 AS
SELECT "xmltable".id,
 "xmltable"._id,
 "xmltable".country_name,
 "xmltable".country_id,
 "xmltable".region_id,
 "xmltable".size,
 "xmltable".unit,
 "xmltable".premier_name
 FROM ( SELECT xmldata.data
 FROM xmldata) x,
 LATERAL XMLTABLE(('/ROWS/ROW'::text) PASSING (x.data) COLUMNS id integer PATH ('@id'::text), _id FOR ORDINALITY, country_name text PATH ('COUNTRY_NAME/text()'::text) NOT NULL, country_id text PATH ('COUNTRY_ID'::text), region_id integer PATH ('REGION_ID'::text), size double precision PATH ('SIZE'::text), unit text PATH ('SIZE/@unit'::text), premier_name text DEFAULT ('not specified'::text) PATH ('PREMIER_NAME'::text))
EXPLAIN (COSTS OFF) SELECT * FROM xmltableview1;
 QUERY PLAN
-----------------------------------------
Nested Loop
 -> Seq Scan on xmldata
 -> Table Function Scan on "xmltable"
(3 rows)

EXPLAIN (COSTS OFF, VERBOSE) SELECT * FROM xmltableview1;
 QUERY PLAN
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Nested Loop
 Output: "xmltable".id, "xmltable"._id, "xmltable".country_name, "xmltable".country_id, "xmltable".region_id, "xmltable".size, "xmltable".unit, "xmltable".premier_name
 -> Seq Scan on public.xmldata
 Output: xmldata.data
 -> Table Function Scan on "xmltable"
 Output: "xmltable".id, "xmltable"._id, "xmltable".country_name, "xmltable".country_id, "xmltable".region_id, "xmltable".size, "xmltable".unit, "xmltable".premier_name
 Table Function Call: XMLTABLE(('/ROWS/ROW'::text) PASSING (xmldata.data) COLUMNS id integer PATH ('@id'::text), _id FOR ORDINALITY, country_name text PATH ('COUNTRY_NAME/text()'::text) NOT NULL, country_id text PATH ('COUNTRY_ID'::text), region_id integer PATH ('REGION_ID'::text), size double precision PATH ('SIZE'::text), unit text PATH ('SIZE/@unit'::text), premier_name text DEFAULT ('not specified'::text) PATH ('PREMIER_NAME'::text))
(7 rows)

-- errors
SELECT * FROM XMLTABLE (ROW () PASSING null COLUMNS v1 timestamp) AS f (v1, v2);
ERROR: XMLTABLE function has 1 columns available but 2 columns specified
SELECT * FROM XMLTABLE (ROW () PASSING null COLUMNS v1 timestamp __pg__is_not_null 1) AS f (v1);
ERROR: option name "__pg__is_not_null" cannot be used in XMLTABLE
LINE 1: ...MLTABLE (ROW () PASSING null COLUMNS v1 timestamp __pg__is_n...
 ^
-- XMLNAMESPACES tests
SELECT * FROM XMLTABLE(XMLNAMESPACES('http://x.y' AS zz),
 '/zz:rows/zz:row'
 PASSING '<rows xmlns="http://x.y"><row><a>10</a></row></rows>'
 COLUMNS a int PATH 'zz:a');
ERROR: unsupported XML feature
LINE 3: PASSING '<rows xmlns="http://x.y"><row...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
CREATE VIEW xmltableview2 AS SELECT * FROM XMLTABLE(XMLNAMESPACES('http://x.y' AS "Zz"),
 '/Zz:rows/Zz:row'
 PASSING '<rows xmlns="http://x.y"><row><a>10</a></row></rows>'
 COLUMNS a int PATH 'Zz:a');
ERROR: unsupported XML feature
LINE 3: PASSING '<rows xmlns="http://x.y"><row...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT * FROM xmltableview2;
ERROR: relation "xmltableview2" does not exist
LINE 1: SELECT * FROM xmltableview2;
 ^
\sv xmltableview2
ERROR: relation "xmltableview2" does not exist
SELECT * FROM XMLTABLE(XMLNAMESPACES(DEFAULT 'http://x.y'),
 '/rows/row'
 PASSING '<rows xmlns="http://x.y"><row><a>10</a></row></rows>'
 COLUMNS a int PATH 'a');
ERROR: unsupported XML feature
LINE 3: PASSING '<rows xmlns="http://x.y"><row...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT * FROM XMLTABLE('.'
 PASSING '<foo/>'
 COLUMNS a text PATH 'foo/namespace::node()');
ERROR: unsupported XML feature
LINE 2: PASSING '<foo/>'
 ^
DETAIL: This functionality requires the server to be built with libxml support.
-- used in prepare statements
PREPARE pp AS
SELECT xmltable.*
 FROM (SELECT data FROM xmldata) x,
 LATERAL XMLTABLE('/ROWS/ROW'
 PASSING data
 COLUMNS id int PATH '@id',
 _id FOR ORDINALITY,
 country_name text PATH 'COUNTRY_NAME' NOT NULL,
 country_id text PATH 'COUNTRY_ID',
 region_id int PATH 'REGION_ID',
 size float PATH 'SIZE',
 unit text PATH 'SIZE/@unit',
 premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified');
EXECUTE pp;
id | _id | country_name | country_id | region_id | size | unit | premier_name
----+-----+--------------+------------+-----------+------+------+--------------
(0 rows)

SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS "COUNTRY_NAME" text, "REGION_ID" int);
COUNTRY_NAME | REGION_ID
--------------+-----------
(0 rows)

SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS id FOR ORDINALITY, "COUNTRY_NAME" text, "REGION_ID" int);
id | COUNTRY_NAME | REGION_ID
----+--------------+-----------
(0 rows)

SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS id int PATH '@id', "COUNTRY_NAME" text, "REGION_ID" int);
id | COUNTRY_NAME | REGION_ID
----+--------------+-----------
(0 rows)

SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS id int PATH '@id');
id
----
(0 rows)

SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS id FOR ORDINALITY);
id
----
(0 rows)

SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS id int PATH '@id', "COUNTRY_NAME" text, "REGION_ID" int, rawdata xml PATH '.');
id | COUNTRY_NAME | REGION_ID | rawdata
----+--------------+-----------+---------
(0 rows)

SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS id int PATH '@id', "COUNTRY_NAME" text, "REGION_ID" int, rawdata xml PATH './*');
id | COUNTRY_NAME | REGION_ID | rawdata
----+--------------+-----------+---------
(0 rows)

SELECT * FROM xmltable('/root' passing '<root><element>a1aa2a<?aaaaa?>  bbbb<x>xxx</x>cccc</element></root>' COLUMNS element text);
ERROR: unsupported XML feature
LINE 1: SELECT * FROM xmltable('/root' passing '<root><element>a1a<!...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT * FROM xmltable('/root' passing '<root><element>a1aa2a<?aaaaa?>  bbbb<x>xxx</x>cccc</element></root>' COLUMNS element text PATH 'element/text()'); -- should fail
ERROR: unsupported XML feature
LINE 1: SELECT * FROM xmltable('/root' passing '<root><element>a1a<!...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
-- CDATA test
select * from xmltable('d/r' passing '<d><r><c><![CDATA[<hello> &"<>!<a>foo</a>]]></c></r><r><c>2</c></r></d>' columns c text);
ERROR: unsupported XML feature
LINE 1: select * from xmltable('d/r' passing '<d><r><c><![CDATA[<hel...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
-- XML builtin entities
SELECT * FROM xmltable('/x/a' PASSING '<x><a><ent>'</ent></a><a><ent>"</ent></a><a><ent>&</ent></a><a><ent><</ent></a><a><ent>></ent></a></x>' COLUMNS ent text);
ERROR: unsupported XML feature
LINE 1: SELECT * FROM xmltable('/x/a' PASSING '<x><a><ent>'</en...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT * FROM xmltable('/x/a' PASSING '<x><a><ent>'</ent></a><a><ent>"</ent></a><a><ent>&</ent></a><a><ent><</ent></a><a><ent>></ent></a></x>' COLUMNS ent xml);
ERROR: unsupported XML feature
LINE 1: SELECT * FROM xmltable('/x/a' PASSING '<x><a><ent>'</en...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
EXPLAIN (VERBOSE, COSTS OFF)
SELECT xmltable.*
 FROM (SELECT data FROM xmldata) x,
 LATERAL XMLTABLE('/ROWS/ROW'
 PASSING data
 COLUMNS id int PATH '@id',
 _id FOR ORDINALITY,
 country_name text PATH 'COUNTRY_NAME' NOT NULL,
 country_id text PATH 'COUNTRY_ID',
 region_id int PATH 'REGION_ID',
 size float PATH 'SIZE',
 unit text PATH 'SIZE/@unit',
 premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified');
 QUERY PLAN
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Nested Loop
 Output: "xmltable".id, "xmltable"._id, "xmltable".country_name, "xmltable".country_id, "xmltable".region_id, "xmltable".size, "xmltable".unit, "xmltable".premier_name
 -> Seq Scan on public.xmldata
 Output: xmldata.data
 -> Table Function Scan on "xmltable"
 Output: "xmltable".id, "xmltable"._id, "xmltable".country_name, "xmltable".country_id, "xmltable".region_id, "xmltable".size, "xmltable".unit, "xmltable".premier_name
 Table Function Call: XMLTABLE(('/ROWS/ROW'::text) PASSING (xmldata.data) COLUMNS id integer PATH ('@id'::text), _id FOR ORDINALITY, country_name text PATH ('COUNTRY_NAME'::text) NOT NULL, country_id text PATH ('COUNTRY_ID'::text), region_id integer PATH ('REGION_ID'::text), size double precision PATH ('SIZE'::text), unit text PATH ('SIZE/@unit'::text), premier_name text DEFAULT ('not specified'::text) PATH ('PREMIER_NAME'::text))
(7 rows)

-- test qual
SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS "COUNTRY_NAME" text, "REGION_ID" int) WHERE "COUNTRY_NAME" = 'Japan';
COUNTRY_NAME | REGION_ID
--------------+-----------
(0 rows)

EXPLAIN (VERBOSE, COSTS OFF)
SELECT f.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS "COUNTRY_NAME" text, "REGION_ID" int) AS f WHERE "COUNTRY_NAME" = 'Japan';
 QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Nested Loop
 Output: f."COUNTRY_NAME", f."REGION_ID"
 -> Seq Scan on public.xmldata
 Output: xmldata.data
 -> Table Function Scan on "xmltable" f
 Output: f."COUNTRY_NAME", f."REGION_ID"
 Table Function Call: XMLTABLE(('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]'::text) PASSING (xmldata.data) COLUMNS "COUNTRY_NAME" text, "REGION_ID" integer)
 Filter: (f."COUNTRY_NAME" = 'Japan'::text)
(8 rows)

EXPLAIN (VERBOSE, FORMAT JSON, COSTS OFF)
SELECT f.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS "COUNTRY_NAME" text, "REGION_ID" int) AS f WHERE "COUNTRY_NAME" = 'Japan';
 QUERY PLAN
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
[ +
 { +
 "Plan": { +
 "Node Type": "Nested Loop", +
 "Parallel Aware": false, +
 "Async Capable": false, +
 "Join Type": "Inner", +
 "Disabled": false, +
 "Output": ["f.\"COUNTRY_NAME\"", "f.\"REGION_ID\""], +
 "Inner Unique": false, +
 "Plans": [ +
 { +
 "Node Type": "Seq Scan", +
 "Parent Relationship": "Outer", +
 "Parallel Aware": false, +
 "Async Capable": false, +
 "Relation Name": "xmldata", +
 "Schema": "public", +
 "Alias": "xmldata", +
 "Disabled": false, +
 "Output": ["xmldata.data"] +
 }, +
 { +
 "Node Type": "Table Function Scan", +
 "Parent Relationship": "Inner", +
 "Parallel Aware": false, +
 "Async Capable": false, +
 "Table Function Name": "xmltable", +
 "Alias": "f", +
 "Disabled": false, +
 "Output": ["f.\"COUNTRY_NAME\"", "f.\"REGION_ID\""], +
 "Table Function Call": "XMLTABLE(('/ROWS/ROW[COUNTRY_NAME=\"Japan\" or COUNTRY_NAME=\"India\"]'::text) PASSING (xmldata.data) COLUMNS \"COUNTRY_NAME\" text, \"REGION_ID\" integer)",+
 "Filter": "(f.\"COUNTRY_NAME\" = 'Japan'::text)" +
 } +
 ] +
 } +
 } +
]
(1 row)

-- should to work with more data
INSERT INTO xmldata VALUES('<ROWS>
<ROW id="10">
 <COUNTRY_ID>CZ</COUNTRY_ID>
 <COUNTRY_NAME>Czech Republic</COUNTRY_NAME>
 <REGION_ID>2</REGION_ID><PREMIER_NAME>Milos Zeman</PREMIER_NAME>
</ROW>
<ROW id="11">
 <COUNTRY_ID>DE</COUNTRY_ID>
 <COUNTRY_NAME>Germany</COUNTRY_NAME>
 <REGION_ID>2</REGION_ID>
</ROW>
<ROW id="12">
 <COUNTRY_ID>FR</COUNTRY_ID>
 <COUNTRY_NAME>France</COUNTRY_NAME>
 <REGION_ID>2</REGION_ID>
</ROW>
</ROWS>');
ERROR: unsupported XML feature
LINE 1: INSERT INTO xmldata VALUES('<ROWS>
 ^
DETAIL: This functionality requires the server to be built with libxml support.
INSERT INTO xmldata VALUES('<ROWS>
<ROW id="20">
 <COUNTRY_ID>EG</COUNTRY_ID>
 <COUNTRY_NAME>Egypt</COUNTRY_NAME>
 <REGION_ID>1</REGION_ID>
</ROW>
<ROW id="21">
 <COUNTRY_ID>SD</COUNTRY_ID>
 <COUNTRY_NAME>Sudan</COUNTRY_NAME>
 <REGION_ID>1</REGION_ID>
</ROW>
</ROWS>');
ERROR: unsupported XML feature
LINE 1: INSERT INTO xmldata VALUES('<ROWS>
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmltable.*
 FROM (SELECT data FROM xmldata) x,
 LATERAL XMLTABLE('/ROWS/ROW'
 PASSING data
 COLUMNS id int PATH '@id',
 _id FOR ORDINALITY,
 country_name text PATH 'COUNTRY_NAME' NOT NULL,
 country_id text PATH 'COUNTRY_ID',
 region_id int PATH 'REGION_ID',
 size float PATH 'SIZE',
 unit text PATH 'SIZE/@unit',
 premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified');
id | _id | country_name | country_id | region_id | size | unit | premier_name
----+-----+--------------+------------+-----------+------+------+--------------
(0 rows)

SELECT xmltable.*
 FROM (SELECT data FROM xmldata) x,
 LATERAL XMLTABLE('/ROWS/ROW'
 PASSING data
 COLUMNS id int PATH '@id',
 _id FOR ORDINALITY,
 country_name text PATH 'COUNTRY_NAME' NOT NULL,
 country_id text PATH 'COUNTRY_ID',
 region_id int PATH 'REGION_ID',
 size float PATH 'SIZE',
 unit text PATH 'SIZE/@unit',
 premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified')
 WHERE region_id = 2;
id | _id | country_name | country_id | region_id | size | unit | premier_name
----+-----+--------------+------------+-----------+------+------+--------------
(0 rows)

EXPLAIN (VERBOSE, COSTS OFF)
SELECT xmltable.*
 FROM (SELECT data FROM xmldata) x,
 LATERAL XMLTABLE('/ROWS/ROW'
 PASSING data
 COLUMNS id int PATH '@id',
 _id FOR ORDINALITY,
 country_name text PATH 'COUNTRY_NAME' NOT NULL,
 country_id text PATH 'COUNTRY_ID',
 region_id int PATH 'REGION_ID',
 size float PATH 'SIZE',
 unit text PATH 'SIZE/@unit',
 premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified')
 WHERE region_id = 2;
 QUERY PLAN
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Nested Loop
 Output: "xmltable".id, "xmltable"._id, "xmltable".country_name, "xmltable".country_id, "xmltable".region_id, "xmltable".size, "xmltable".unit, "xmltable".premier_name
 -> Seq Scan on public.xmldata
 Output: xmldata.data
 -> Table Function Scan on "xmltable"
 Output: "xmltable".id, "xmltable"._id, "xmltable".country_name, "xmltable".country_id, "xmltable".region_id, "xmltable".size, "xmltable".unit, "xmltable".premier_name
 Table Function Call: XMLTABLE(('/ROWS/ROW'::text) PASSING (xmldata.data) COLUMNS id integer PATH ('@id'::text), _id FOR ORDINALITY, country_name text PATH ('COUNTRY_NAME'::text) NOT NULL, country_id text PATH ('COUNTRY_ID'::text), region_id integer PATH ('REGION_ID'::text), size double precision PATH ('SIZE'::text), unit text PATH ('SIZE/@unit'::text), premier_name text DEFAULT ('not specified'::text) PATH ('PREMIER_NAME'::text))
 Filter: ("xmltable".region_id = 2)
(8 rows)

-- should fail, NULL value
SELECT xmltable.*
 FROM (SELECT data FROM xmldata) x,
 LATERAL XMLTABLE('/ROWS/ROW'
 PASSING data
 COLUMNS id int PATH '@id',
 _id FOR ORDINALITY,
 country_name text PATH 'COUNTRY_NAME' NOT NULL,
 country_id text PATH 'COUNTRY_ID',
 region_id int PATH 'REGION_ID',
 size float PATH 'SIZE' NOT NULL,
 unit text PATH 'SIZE/@unit',
 premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified');
id | _id | country_name | country_id | region_id | size | unit | premier_name
----+-----+--------------+------------+-----------+------+------+--------------
(0 rows)

-- if all is ok, then result is empty
-- one line xml test
WITH
 x AS (SELECT proname, proowner, procost::numeric, pronargs,
 array_to_string(proargnames,',') as proargnames,
 case when proargtypes <> '' then array_to_string(proargtypes::oid[],',') end as proargtypes
 FROM pg_proc WHERE proname = 'f_leak'),
 y AS (SELECT xmlelement(name proc,
 xmlforest(proname, proowner,
 procost, pronargs,
 proargnames, proargtypes)) as proc
 FROM x),
 z AS (SELECT xmltable.*
 FROM y,
 LATERAL xmltable('/proc' PASSING proc
 COLUMNS proname name,
 proowner oid,
 procost float,
 pronargs int,
 proargnames text,
 proargtypes text))
 SELECT * FROM z
 EXCEPT SELECT * FROM x;
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
-- multi line xml test, result should be empty too
WITH
 x AS (SELECT proname, proowner, procost::numeric, pronargs,
 array_to_string(proargnames,',') as proargnames,
 case when proargtypes <> '' then array_to_string(proargtypes::oid[],',') end as proargtypes
 FROM pg_proc),
 y AS (SELECT xmlelement(name data,
 xmlagg(xmlelement(name proc,
 xmlforest(proname, proowner, procost,
 pronargs, proargnames, proargtypes)))) as doc
 FROM x),
 z AS (SELECT xmltable.*
 FROM y,
 LATERAL xmltable('/data/proc' PASSING doc
 COLUMNS proname name,
 proowner oid,
 procost float,
 pronargs int,
 proargnames text,
 proargtypes text))
 SELECT * FROM z
 EXCEPT SELECT * FROM x;
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
CREATE TABLE xmltest2(x xml, _path text);
INSERT INTO xmltest2 VALUES('<d><r><ac>1</ac></r></d>', 'A');
ERROR: unsupported XML feature
LINE 1: INSERT INTO xmltest2 VALUES('<d><r><ac>1</ac></r></d>', 'A')...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
INSERT INTO xmltest2 VALUES('<d><r><bc>2</bc></r></d>', 'B');
ERROR: unsupported XML feature
LINE 1: INSERT INTO xmltest2 VALUES('<d><r><bc>2</bc></r></d>', 'B')...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
INSERT INTO xmltest2 VALUES('<d><r><cc>3</cc></r></d>', 'C');
ERROR: unsupported XML feature
LINE 1: INSERT INTO xmltest2 VALUES('<d><r><cc>3</cc></r></d>', 'C')...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
INSERT INTO xmltest2 VALUES('<d><r><dc>2</dc></r></d>', 'D');
ERROR: unsupported XML feature
LINE 1: INSERT INTO xmltest2 VALUES('<d><r><dc>2</dc></r></d>', 'D')...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmltable.* FROM xmltest2, LATERAL xmltable('/d/r' PASSING x COLUMNS a int PATH '' || lower(_path) || 'c');
a
---
(0 rows)

SELECT xmltable.* FROM xmltest2, LATERAL xmltable(('/d/r/' || lower(_path) || 'c') PASSING x COLUMNS a int PATH '.');
a
---
(0 rows)

SELECT xmltable.* FROM xmltest2, LATERAL xmltable(('/d/r/' || lower(_path) || 'c') PASSING x COLUMNS a int PATH 'x' DEFAULT ascii(_path) - 54);
a
---
(0 rows)

-- XPath result can be boolean or number too
SELECT * FROM XMLTABLE('*' PASSING '<a>a</a>' COLUMNS a xml PATH '.', b text PATH '.', c text PATH '"hi"', d boolean PATH '. = "a"', e integer PATH 'string-length(.)');
ERROR: unsupported XML feature
LINE 1: SELECT * FROM XMLTABLE('*' PASSING '<a>a</a>' COLUMNS a xml ...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
\x
SELECT * FROM XMLTABLE('*' PASSING '<e>pre<?pi arg?><![CDATA[&ent1]]><n2>&deep</n2>post</e>' COLUMNS x xml PATH '/e/n2', y xml PATH '/');
ERROR: unsupported XML feature
LINE 1: SELECT * FROM XMLTABLE('*' PASSING '<e>pre<?pi arg?...
 ^
DETAIL: This functionality requires the server to be built with libxml support.
\x
SELECT * FROM XMLTABLE('.' PASSING XMLELEMENT(NAME a) columns a varchar(20) PATH '"<foo/>"', b xml PATH '"<foo/>"');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmltext(NULL);
xmltext
---------

(1 row)

SELECT xmltext('');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmltext(' ');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmltext('foo `$_-+?=*^%!|/\()[]{}');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmltext('foo & <"bar">');
ERROR: unsupported XML feature
DETAIL: This functionality requires the server to be built with libxml support.
SELECT xmltext('x'|| '73'::xml || .42 || true || 'j'::char);
ERROR: unsupported XML feature
LINE 1: SELECT xmltext('x'|| '73'::xml || .42 || true || 'j':...
 ^
DETAIL: This functionality requires the server to be built with libxml support.

Quelle xml_1.out Sprache: unbekannt

[Dauer der Verarbeitung: 0.33 Sekunden, vorverarbeitet 2026-08-09]