diff --git a/src/test/regress/expected/xml_2.out b/src/test/regress/expected/xml_2.out
new file mode 100644
index 00000000000..e55a4296f2f
--- /dev/null
+++ b/src/test/regress/expected/xml_2.out
@@ -0,0 +1,915 @@
+CREATE TABLE xmltest (
+ id int,
+ data xml
+);
+INSERT INTO xmltest VALUES (1, 'one');
+INSERT INTO xmltest VALUES (2, 'two');
+INSERT INTO xmltest VALUES (3, 'one
+ 2 | two
+(2 rows)
+
+SELECT xmlcomment('test');
+ xmlcomment
+-------------
+
+(1 row)
+
+SELECT xmlcomment('-test');
+ xmlcomment
+--------------
+
+(1 row)
+
+SELECT xmlcomment('test-');
+ERROR: invalid XML comment
+SELECT xmlcomment('--test');
+ERROR: invalid XML comment
+SELECT xmlcomment('te st');
+ xmlcomment
+--------------
+
+(1 row)
+
+SELECT xmlconcat(xmlcomment('hello'),
+ xmlelement(NAME qux, 'foo'),
+ xmlcomment('world'));
+ xmlconcat
+----------------------------------------
+ foo
+(1 row)
+
+SELECT xmlconcat('hello', 'you');
+ xmlconcat
+-----------
+ helloyou
+(1 row)
+
+SELECT xmlconcat(1, 2);
+ERROR: argument of XMLCONCAT must be type xml, not type integer
+LINE 1: SELECT xmlconcat(1, 2);
+ ^
+SELECT xmlconcat('bad', '', NULL, '');
+ xmlconcat
+--------------
+
+(1 row)
+
+SELECT xmlconcat('', NULL, '');
+ xmlconcat
+-----------------------------------
+
+(1 row)
+
+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');
+ xmlelement
+------------------------------------------------
+ content
+(1 row)
+
+SELECT xmlelement(name element,
+ xmlattributes ('unnamed and wrong'));
+ERROR: unnamed XML attribute value must be a column reference
+LINE 2: xmlattributes ('unnamed and wrong'));
+ ^
+SELECT xmlelement(name element, xmlelement(name nested, 'stuff'));
+ xmlelement
+-------------------------------------------
+ stuff
+(1 row)
+
+SELECT xmlelement(name employee, xmlforest(name, age, salary as pay)) FROM emp;
+ xmlelement
+----------------------------------------------------------------------
+ sharon251000
+ sam302000
+ bill201000
+ jeff23600
+ cim30400
+ linda19100
+(6 rows)
+
+SELECT xmlelement(name duplicate, xmlattributes(1 as a, 2 as b, 3 as a));
+ERROR: XML attribute name "a" appears more than once
+LINE 1: ...ment(name duplicate, xmlattributes(1 as a, 2 as b, 3 as a));
+ ^
+SELECT xmlelement(name num, 37);
+ xmlelement
+---------------
+ 37
+(1 row)
+
+SELECT xmlelement(name foo, text 'bar');
+ xmlelement
+----------------
+ bar
+(1 row)
+
+SELECT xmlelement(name foo, xml 'bar');
+ xmlelement
+----------------
+ bar
+(1 row)
+
+SELECT xmlelement(name foo, text 'br');
+ xmlelement
+-------------------------
+ b<a/>r
+(1 row)
+
+SELECT xmlelement(name foo, xml 'br');
+ xmlelement
+-------------------
+ br
+(1 row)
+
+SELECT xmlelement(name foo, array[1, 2, 3]);
+ xmlelement
+-------------------------------------------------------------------------
+ 123
+(1 row)
+
+SET xmlbinary TO base64;
+SELECT xmlelement(name foo, bytea 'bar');
+ xmlelement
+-----------------
+ YmFy
+(1 row)
+
+SET xmlbinary TO hex;
+SELECT xmlelement(name foo, bytea 'bar');
+ xmlelement
+-------------------
+ 626172
+(1 row)
+
+SELECT xmlelement(name foo, xmlattributes(true as bar));
+ xmlelement
+-------------------
+
+(1 row)
+
+SELECT xmlelement(name foo, xmlattributes('2009-04-09 00:24:37'::timestamp as bar));
+ xmlelement
+----------------------------------
+
+(1 row)
+
+SELECT xmlelement(name foo, xmlattributes('infinity'::timestamp as bar));
+ERROR: timestamp out of range
+DETAIL: XML does not support infinite timestamp values.
+SELECT xmlelement(name foo, xmlattributes('<>&"''' as funny, xml 'br' as funnier));
+ xmlelement
+------------------------------------------------------------
+
+(1 row)
+
+SELECT xmlparse(content 'abc');
+ xmlparse
+----------
+ abc
+(1 row)
+
+SELECT xmlparse(content 'x');
+ xmlparse
+--------------
+ x
+(1 row)
+
+SELECT xmlparse(content '&');
+ERROR: invalid XML content
+DETAIL: line 1: xmlParseEntityRef: no name
+&
+ ^
+line 1: chunk is not well balanced
+SELECT xmlparse(content '&idontexist;');
+ERROR: invalid XML content
+DETAIL: line 1: Entity 'idontexist' not defined
+&idontexist;
+ ^
+line 1: chunk is not well balanced
+SELECT xmlparse(content '');
+ xmlparse
+---------------------------
+
+(1 row)
+
+SELECT xmlparse(content '');
+ xmlparse
+--------------------------------
+
+(1 row)
+
+SELECT xmlparse(content '&idontexist;');
+ERROR: invalid XML content
+DETAIL: line 1: Entity 'idontexist' not defined
+&idontexist;
+ ^
+line 1: Opening and ending tag mismatch: twoerrors line 1 and unbalanced
+line 1: chunk is not well balanced
+SELECT xmlparse(content '');
+ xmlparse
+---------------------
+
+(1 row)
+
+SELECT xmlparse(document 'abc');
+ERROR: invalid XML document
+DETAIL: line 1: Start tag expected, '<' not found
+abc
+^
+SELECT xmlparse(document 'x');
+ xmlparse
+--------------
+ x
+(1 row)
+
+SELECT xmlparse(document '&');
+ERROR: invalid XML document
+DETAIL: line 1: xmlParseEntityRef: no name
+&
+ ^
+line 1: Opening and ending tag mismatch: invalidentity line 1 and abc
+SELECT xmlparse(document '&idontexist;');
+ERROR: invalid XML document
+DETAIL: line 1: Entity 'idontexist' not defined
+&idontexist;
+ ^
+line 1: Opening and ending tag mismatch: undefinedentity line 1 and abc
+SELECT xmlparse(document '');
+ xmlparse
+---------------------------
+
+(1 row)
+
+SELECT xmlparse(document '');
+ xmlparse
+--------------------------------
+
+(1 row)
+
+SELECT xmlparse(document '&idontexist;');
+ERROR: invalid XML document
+DETAIL: line 1: Entity 'idontexist' not defined
+&idontexist;
+ ^
+line 1: Opening and ending tag mismatch: twoerrors line 1 and unbalanced
+SELECT xmlparse(document '');
+ xmlparse
+---------------------
+
+(1 row)
+
+SELECT xmlpi(name foo);
+ xmlpi
+---------
+
+(1 row)
+
+SELECT xmlpi(name xml);
+ERROR: invalid XML processing instruction
+DETAIL: XML processing instruction target name cannot be "xml".
+SELECT xmlpi(name xmlstuff);
+ xmlpi
+--------------
+
+(1 row)
+
+SELECT xmlpi(name foo, 'bar');
+ xmlpi
+-------------
+
+(1 row)
+
+SELECT xmlpi(name foo, 'in?>valid');
+ERROR: invalid XML processing instruction
+DETAIL: XML processing instruction cannot contain "?>".
+SELECT xmlpi(name foo, null);
+ xmlpi
+-------
+
+(1 row)
+
+SELECT xmlpi(name xml, null);
+ERROR: invalid XML processing instruction
+DETAIL: XML processing instruction target name cannot be "xml".
+SELECT xmlpi(name xmlstuff, null);
+ xmlpi
+-------
+
+(1 row)
+
+SELECT xmlpi(name "xml-stylesheet", 'href="mystyle.css" type="text/css"');
+ xmlpi
+-------------------------------------------------------
+
+(1 row)
+
+SELECT xmlpi(name foo, ' bar');
+ xmlpi
+-------------
+
+(1 row)
+
+SELECT xmlroot(xml '', version no value, standalone no value);
+ xmlroot
+---------
+
+(1 row)
+
+SELECT xmlroot(xml '', version '2.0');
+ xmlroot
+-----------------------------
+
+(1 row)
+
+SELECT xmlroot(xml '', version no value, standalone yes);
+ xmlroot
+----------------------------------------------
+
+(1 row)
+
+SELECT xmlroot(xml '', version no value, standalone yes);
+ xmlroot
+----------------------------------------------
+
+(1 row)
+
+SELECT xmlroot(xmlroot(xml '', version '1.0'), version '1.1', standalone no);
+ xmlroot
+---------------------------------------------
+
+(1 row)
+
+SELECT xmlroot('', version no value, standalone no);
+ xmlroot
+---------------------------------------------
+
+(1 row)
+
+SELECT xmlroot('', version no value, standalone no value);
+ xmlroot
+---------
+
+(1 row)
+
+SELECT xmlroot('', version no value);
+ xmlroot
+----------------------------------------------
+
+(1 row)
+
+SELECT xmlroot (
+ xmlelement (
+ name gazonk,
+ xmlattributes (
+ 'val' AS name,
+ 1 + 1 AS num
+ ),
+ xmlelement (
+ NAME qux,
+ 'foo'
+ )
+ ),
+ version '1.0',
+ standalone yes
+);
+ xmlroot
+------------------------------------------------------------------------------------------
+ foo
+(1 row)
+
+SELECT xmlserialize(content data as character varying(20)) FROM xmltest;
+ xmlserialize
+--------------------
+ one
+ two
+(2 rows)
+
+SELECT xmlserialize(content 'good' as char(10));
+ xmlserialize
+--------------
+ good
+(1 row)
+
+SELECT xmlserialize(document 'bad' as text);
+ERROR: not an XML document
+SELECT xml 'bar' IS DOCUMENT;
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT xml 'barfoo' IS DOCUMENT;
+ ?column?
+----------
+ f
+(1 row)
+
+SELECT xml '' IS NOT DOCUMENT;
+ ?column?
+----------
+ f
+(1 row)
+
+SELECT xml 'abc' IS NOT DOCUMENT;
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT '<>' IS NOT DOCUMENT;
+ERROR: invalid XML content
+LINE 1: SELECT '<>' IS NOT DOCUMENT;
+ ^
+DETAIL: line 1: StartTag: invalid element name
+<>
+ ^
+SELECT xmlagg(data) FROM xmltest;
+ xmlagg
+--------------------------------------
+ onetwo
+(1 row)
+
+SELECT xmlagg(data) FROM xmltest WHERE id > 10;
+ xmlagg
+--------
+
+(1 row)
+
+SELECT xmlelement(name employees, xmlagg(xmlelement(name name, name))) FROM emp;
+ xmlelement
+--------------------------------------------------------------------------------------------------------------------------------
+ sharonsambilljeffcimlinda
+(1 row)
+
+-- Check mapping SQL identifier to XML name
+SELECT xmlpi(name ":::_xml_abc135.%-&_");
+ xmlpi
+-------------------------------------------------
+
+(1 row)
+
+SELECT xmlpi(name "123");
+ xmlpi
+---------------
+
+(1 row)
+
+PREPARE foo (xml) AS SELECT xmlconcat('', $1);
+SET XML OPTION DOCUMENT;
+EXECUTE foo ('');
+ xmlconcat
+--------------
+
+(1 row)
+
+EXECUTE foo ('bad');
+ERROR: invalid XML document
+LINE 1: EXECUTE foo ('bad');
+ ^
+DETAIL: line 1: Start tag expected, '<' not found
+bad
+^
+SET XML OPTION CONTENT;
+EXECUTE foo ('');
+ xmlconcat
+--------------
+
+(1 row)
+
+EXECUTE foo ('good');
+ xmlconcat
+------------
+ good
+(1 row)
+
+-- Test backwards parsing
+CREATE VIEW xmlview1 AS SELECT xmlcomment('test');
+CREATE VIEW xmlview2 AS SELECT xmlconcat('hello', 'you');
+CREATE VIEW xmlview3 AS SELECT xmlelement(name element, xmlattributes (1 as ":one:", 'deuce' as two), 'content&');
+CREATE VIEW xmlview4 AS SELECT xmlelement(name employee, xmlforest(name, age, salary as pay)) FROM emp;
+CREATE VIEW xmlview5 AS SELECT xmlparse(content 'x');
+CREATE VIEW xmlview6 AS SELECT xmlpi(name foo, 'bar');
+CREATE VIEW xmlview7 AS SELECT xmlroot(xml '', version no value, standalone yes);
+CREATE VIEW xmlview8 AS SELECT xmlserialize(content 'good' as char(10));
+CREATE VIEW xmlview9 AS SELECT xmlserialize(content 'good' as text);
+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;
+ xmlview2 | SELECT XMLCONCAT('hello'::xml, 'you'::xml) AS "xmlconcat";
+ xmlview3 | SELECT XMLELEMENT(NAME element, XMLATTRIBUTES(1 AS ":one:", 'deuce' AS two), 'content&') AS "xmlelement";
+ xmlview4 | SELECT XMLELEMENT(NAME employee, XMLFOREST(emp.name AS name, emp.age AS age, emp.salary AS pay)) AS "xmlelement" FROM emp;
+ xmlview5 | SELECT XMLPARSE(CONTENT 'x'::text STRIP WHITESPACE) AS "xmlparse";
+ xmlview6 | SELECT XMLPI(NAME foo, 'bar'::text) AS "xmlpi";
+ xmlview7 | SELECT XMLROOT(''::xml, VERSION NO VALUE, STANDALONE YES) AS "xmlroot";
+ xmlview8 | SELECT (XMLSERIALIZE(CONTENT 'good'::xml AS character(10)))::character(10) AS "xmlserialize";
+ xmlview9 | SELECT XMLSERIALIZE(CONTENT 'good'::xml AS text) AS "xmlserialize";
+(9 rows)
+
+-- Text XPath expressions evaluation
+SELECT xpath('/value', data) FROM xmltest;
+ xpath
+----------------------
+ {one}
+ {two}
+(2 rows)
+
+SELECT xpath(NULL, NULL) IS NULL FROM xmltest;
+ ?column?
+----------
+ t
+ t
+(2 rows)
+
+SELECT xpath('', '');
+ERROR: empty XPath expression
+CONTEXT: SQL function "xpath" statement 1
+SELECT xpath('//text()', 'number one');
+ xpath
+----------------
+ {"number one"}
+(1 row)
+
+SELECT xpath('//loc:piece/@id', 'number one', ARRAY[ARRAY['loc', 'http://127.0.0.1']]);
+ xpath
+-------
+ {1,2}
+(1 row)
+
+SELECT xpath('//loc:piece', 'number one', ARRAY[ARRAY['loc', 'http://127.0.0.1']]);
+ xpath
+------------------------------------------------------------------------------------------------------------------------------------------------
+ {"number one",""}
+(1 row)
+
+SELECT xpath('//loc:piece', 'number one', ARRAY[ARRAY['loc', 'http://127.0.0.1']]);
+ xpath
+--------------------------------------------------------------------------------------
+ {"+
+ number one +
+ +
+ ",""}
+(1 row)
+
+SELECT xpath('//b', 'one two three etc');
+ xpath
+-------------------------
+ {two,etc}
+(1 row)
+
+SELECT xpath('//text()', '<');
+ xpath
+--------
+ {<}
+(1 row)
+
+SELECT xpath('//@value', '');
+ xpath
+--------
+ {<}
+(1 row)
+
+SELECT xpath('''<>''', '');
+ xpath
+---------------------------
+ {<<invalid>>}
+(1 row)
+
+SELECT xpath('count(//*)', '');
+ xpath
+-------
+ {3}
+(1 row)
+
+SELECT xpath('count(//*)=0', '');
+ xpath
+---------
+ {false}
+(1 row)
+
+SELECT xpath('count(//*)=3', '');
+ xpath
+--------
+ {true}
+(1 row)
+
+SELECT xpath('name(/*)', '');
+ xpath
+--------
+ {root}
+(1 row)
+
+SELECT xpath('/nosuchtag', '');
+ xpath
+-------
+ {}
+(1 row)
+
+-- Test xmlexists and xpath_exists
+SELECT xmlexists('//town[text() = ''Toronto'']' PASSING BY REF 'Bidford-on-AvonCwmbranBristol');
+ xmlexists
+-----------
+ f
+(1 row)
+
+SELECT xmlexists('//town[text() = ''Cwmbran'']' PASSING BY REF 'Bidford-on-AvonCwmbranBristol');
+ xmlexists
+-----------
+ t
+(1 row)
+
+SELECT xmlexists('count(/nosuchtag)' PASSING BY REF '');
+ xmlexists
+-----------
+ t
+(1 row)
+
+SELECT xpath_exists('//town[text() = ''Toronto'']','Bidford-on-AvonCwmbranBristol'::xml);
+ xpath_exists
+--------------
+ f
+(1 row)
+
+SELECT xpath_exists('//town[text() = ''Cwmbran'']','Bidford-on-AvonCwmbranBristol'::xml);
+ xpath_exists
+--------------
+ t
+(1 row)
+
+SELECT xpath_exists('count(/nosuchtag)', ''::xml);
+ xpath_exists
+--------------
+ t
+(1 row)
+
+INSERT INTO xmltest VALUES (4, ''::xml);
+INSERT INTO xmltest VALUES (5, ''::xml);
+INSERT INTO xmltest VALUES (6, 'BudvarfreeCarlinglots'::xml);
+INSERT INTO xmltest VALUES (7, 'MolsonfreeCarlinglots'::xml);
+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
+-------
+ 2
+(1 row)
+
+SELECT COUNT(id) FROM xmltest WHERE xmlexists('/menu/beers/name[text() = ''Molson'']' PASSING BY REF data);
+ count
+-------
+ 1
+(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
+-------
+ 2
+(1 row)
+
+SELECT COUNT(id) FROM xmltest WHERE xpath_exists('/menu/beers/name[text() = ''Molson'']',data);
+ count
+-------
+ 1
+(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
+-------
+ 2
+(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
+-------
+ 1
+(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
+-------
+ 2
+(1 row)
+
+-- Test xml_is_well_formed and variants
+SELECT xml_is_well_formed_document('bar');
+ xml_is_well_formed_document
+-----------------------------
+ t
+(1 row)
+
+SELECT xml_is_well_formed_document('abc');
+ xml_is_well_formed_document
+-----------------------------
+ f
+(1 row)
+
+SELECT xml_is_well_formed_content('bar');
+ xml_is_well_formed_content
+----------------------------
+ t
+(1 row)
+
+SELECT xml_is_well_formed_content('abc');
+ xml_is_well_formed_content
+----------------------------
+ t
+(1 row)
+
+SET xmloption TO DOCUMENT;
+SELECT xml_is_well_formed('abc');
+ xml_is_well_formed
+--------------------
+ f
+(1 row)
+
+SELECT xml_is_well_formed('<>');
+ xml_is_well_formed
+--------------------
+ f
+(1 row)
+
+SELECT xml_is_well_formed('');
+ xml_is_well_formed
+--------------------
+ t
+(1 row)
+
+SELECT xml_is_well_formed('bar');
+ xml_is_well_formed
+--------------------
+ t
+(1 row)
+
+SELECT xml_is_well_formed('barbaz');
+ xml_is_well_formed
+--------------------
+ f
+(1 row)
+
+SELECT xml_is_well_formed('number one');
+ xml_is_well_formed
+--------------------
+ t
+(1 row)
+
+SELECT xml_is_well_formed('bar');
+ xml_is_well_formed
+--------------------
+ f
+(1 row)
+
+SELECT xml_is_well_formed('bar');
+ xml_is_well_formed
+--------------------
+ t
+(1 row)
+
+SELECT xml_is_well_formed('&');
+ xml_is_well_formed
+--------------------
+ f
+(1 row)
+
+SELECT xml_is_well_formed('&idontexist;');
+ xml_is_well_formed
+--------------------
+ f
+(1 row)
+
+SELECT xml_is_well_formed('');
+ xml_is_well_formed
+--------------------
+ t
+(1 row)
+
+SELECT xml_is_well_formed('');
+ xml_is_well_formed
+--------------------
+ t
+(1 row)
+
+SELECT xml_is_well_formed('&idontexist;');
+ xml_is_well_formed
+--------------------
+ f
+(1 row)
+
+SET xmloption TO CONTENT;
+SELECT xml_is_well_formed('abc');
+ xml_is_well_formed
+--------------------
+ t
+(1 row)
+
+-- 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
+--
+-- 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('/*', '');
+ERROR: could not parse XML document
+\set VERBOSITY default
+-- Again, the XML isn't well-formed for namespace purposes
+SELECT xpath('/*', '');
+ERROR: could not parse XML document
+DETAIL: line 1: Namespace prefix nosuchprefix on tag is not defined
+
+ ^
+CONTEXT: SQL function "xpath" statement 1
+-- XPath deprecates relative namespaces, but they're not supposed to
+-- throw an error, only a warning.
+SELECT xpath('/*', '');
+WARNING: line 1: xmlns: URI relative is not absolute
+
+ ^
+CONTEXT: SQL function "xpath" statement 1
+ xpath
+--------------------------------------
+ {""}
+(1 row)
+
+-- External entity references should not leak filesystem information.
+SELECT XMLPARSE(DOCUMENT ']>&c;');
+ xmlparse
+-----------------------------------------------------------------
+ ]>&c;
+(1 row)
+
+SELECT XMLPARSE(DOCUMENT ']>&c;');
+ xmlparse
+-----------------------------------------------------------------------
+ ]>&c;
+(1 row)
+
+-- This might or might not load the requested DTD, but it mustn't throw error.
+SELECT XMLPARSE(DOCUMENT ' ');
+ xmlparse
+------------------------------------------------------------------------------------------------------------------------------------------------------
+
+(1 row)
+