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Add missing deparsing of [NO] IDENT to XMLSERIALIZE()

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NO INDENT is the default, and is added if no explicit indentation
flag was provided with XMLSERIALIZE().

Oversight in 483bdb2afec9.

Author: Jim Jones <jim.jones@uni-muenster.de>
Discussion: https://postgr.es/m/bebd457e-5b43-46b3-8fc6-f6a6509483ba@uni-muenster.de
Backpatch-through: 16
This commit is contained in:
Michael Paquier 2025-02-21 17:31:01 +09:00
parent 57dca6faa9
commit 2e0f93d7cb
5 changed files with 39 additions and 12 deletions
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7
src/backend/utils/adt/ruleutils.c
View File

@ -9898,9 +9898,16 @@ get_rule_expr(Node *node, deparse_context *context,
}
}
if (xexpr->op == IS_XMLSERIALIZE)
{
appendStringInfo(buf, " AS %s",
format_type_with_typemod(xexpr->type,
xexpr->typmod));
if (xexpr->indent)
appendStringInfoString(buf, " INDENT");
else
appendStringInfoString(buf, " NO INDENT");
}
if (xexpr->op == IS_DOCUMENT)
appendStringInfoString(buf, " IS DOCUMENT");
else

16
src/test/regress/expected/xml.out
View File

@ -822,21 +822,25 @@ CREATE VIEW xmlview6 AS SELECT xmlpi(name foo, 'bar');
CREATE VIEW xmlview7 AS SELECT xmlroot(xml '<foo/>', 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);
CREATE VIEW xmlview10 AS SELECT xmlserialize(document '<foo><bar>42</bar></foo>' AS text indent);
CREATE VIEW xmlview11 AS SELECT xmlserialize(document '<foo><bar>42</bar></foo>' AS character varying no indent);
SELECT table_name, view_definition FROM information_schema.views
WHERE table_name LIKE 'xmlview%' ORDER BY 1;
table_name | view_definition
------------+------------------------------------------------------------------------------------------------------------
table_name | view_definition
------------+---------------------------------------------------------------------------------------------------------------------------------------
xmlview1 | SELECT xmlcomment('test'::text) AS xmlcomment;
xmlview10 | SELECT XMLSERIALIZE(DOCUMENT '<foo><bar>42</bar></foo>'::xml AS text INDENT) AS "xmlserialize";
xmlview11 | SELECT (XMLSERIALIZE(DOCUMENT '<foo><bar>42</bar></foo>'::xml AS character varying NO INDENT))::character varying AS "xmlserialize";
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(name AS name, age AS age, salary AS pay)) AS "xmlelement" +
xmlview4 | SELECT XMLELEMENT(NAME employee, XMLFOREST(name AS name, age AS age, salary AS pay)) AS "xmlelement" +
| FROM emp;
xmlview5 | SELECT XMLPARSE(CONTENT '<abc>x</abc>'::text STRIP WHITESPACE) AS "xmlparse";
xmlview6 | SELECT XMLPI(NAME foo, 'bar'::text) AS "xmlpi";
xmlview7 | SELECT XMLROOT('<foo/>'::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)
xmlview8 | SELECT (XMLSERIALIZE(CONTENT 'good'::xml AS character(10) NO INDENT))::character(10) AS "xmlserialize";
xmlview9 | SELECT XMLSERIALIZE(CONTENT 'good'::xml AS text NO INDENT) AS "xmlserialize";
(11 rows)
-- Text XPath expressions evaluation
SELECT xpath('/value', data) FROM xmltest;

10
src/test/regress/expected/xml_1.out
View File

@ -583,6 +583,16 @@ 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

16
src/test/regress/expected/xml_2.out
View File

@ -808,21 +808,25 @@ CREATE VIEW xmlview6 AS SELECT xmlpi(name foo, 'bar');
CREATE VIEW xmlview7 AS SELECT xmlroot(xml '<foo/>', 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);
CREATE VIEW xmlview10 AS SELECT xmlserialize(document '<foo><bar>42</bar></foo>' AS text indent);
CREATE VIEW xmlview11 AS SELECT xmlserialize(document '<foo><bar>42</bar></foo>' AS character varying no indent);
SELECT table_name, view_definition FROM information_schema.views
WHERE table_name LIKE 'xmlview%' ORDER BY 1;
table_name | view_definition
------------+------------------------------------------------------------------------------------------------------------
table_name | view_definition
------------+---------------------------------------------------------------------------------------------------------------------------------------
xmlview1 | SELECT xmlcomment('test'::text) AS xmlcomment;
xmlview10 | SELECT XMLSERIALIZE(DOCUMENT '<foo><bar>42</bar></foo>'::xml AS text INDENT) AS "xmlserialize";
xmlview11 | SELECT (XMLSERIALIZE(DOCUMENT '<foo><bar>42</bar></foo>'::xml AS character varying NO INDENT))::character varying AS "xmlserialize";
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(name AS name, age AS age, salary AS pay)) AS "xmlelement" +
xmlview4 | SELECT XMLELEMENT(NAME employee, XMLFOREST(name AS name, age AS age, salary AS pay)) AS "xmlelement" +
| FROM emp;
xmlview5 | SELECT XMLPARSE(CONTENT '<abc>x</abc>'::text STRIP WHITESPACE) AS "xmlparse";
xmlview6 | SELECT XMLPI(NAME foo, 'bar'::text) AS "xmlpi";
xmlview7 | SELECT XMLROOT('<foo/>'::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)
xmlview8 | SELECT (XMLSERIALIZE(CONTENT 'good'::xml AS character(10) NO INDENT))::character(10) AS "xmlserialize";
xmlview9 | SELECT XMLSERIALIZE(CONTENT 'good'::xml AS text NO INDENT) AS "xmlserialize";
(11 rows)
-- Text XPath expressions evaluation
SELECT xpath('/value', data) FROM xmltest;

2
src/test/regress/sql/xml.sql
View File

@ -219,6 +219,8 @@ CREATE VIEW xmlview6 AS SELECT xmlpi(name foo, 'bar');
CREATE VIEW xmlview7 AS SELECT xmlroot(xml '<foo/>', 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);
CREATE VIEW xmlview10 AS SELECT xmlserialize(document '<foo><bar>42</bar></foo>' AS text indent);
CREATE VIEW xmlview11 AS SELECT xmlserialize(document '<foo><bar>42</bar></foo>' AS character varying no indent);
SELECT table_name, view_definition FROM information_schema.views
WHERE table_name LIKE 'xmlview%' ORDER BY 1;