| CREATE EXTENSION xml2; |
| select query_to_xml('select 1 as x',true,false,''); |
| query_to_xml |
| --------------------------------------------------------------- |
| <table xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">+ |
| + |
| <row> + |
| <x>1</x> + |
| </row> + |
| + |
| </table> + |
| |
| (1 row) |
| |
| select xslt_process( query_to_xml('select x from generate_series(1,5) as |
| x',true,false,'')::text, |
| $$<xsl:stylesheet version="1.0" |
| xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> |
| <xsl:output method="xml" indent="yes" /> |
| <xsl:template match="*"> |
| <xsl:copy> |
| <xsl:copy-of select="@*" /> |
| <xsl:apply-templates /> |
| </xsl:copy> |
| </xsl:template> |
| <xsl:template match="comment()|processing-instruction()"> |
| <xsl:copy /> |
| </xsl:template> |
| </xsl:stylesheet> |
| $$::text); |
| xslt_process |
| --------------------------------------------------------------- |
| <?xml version="1.0"?> + |
| <table xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">+ |
| + |
| <row> + |
| <x>1</x> + |
| </row> + |
| + |
| <row> + |
| <x>2</x> + |
| </row> + |
| + |
| <row> + |
| <x>3</x> + |
| </row> + |
| + |
| <row> + |
| <x>4</x> + |
| </row> + |
| + |
| <row> + |
| <x>5</x> + |
| </row> + |
| + |
| </table> + |
| |
| (1 row) |
| |
| CREATE TABLE xpath_test (id integer NOT NULL, t xml); |
| INSERT INTO xpath_test VALUES (1, '<doc><int>1</int></doc>'); |
| SELECT * FROM xpath_table('id', 't', 'xpath_test', '/doc/int', 'true') |
| as t(id int4); |
| id |
| ---- |
| (0 rows) |
| |
| SELECT * FROM xpath_table('id', 't', 'xpath_test', '/doc/int', 'true') |
| as t(id int4, doc int4); |
| id | doc |
| ----+----- |
| 1 | 1 |
| (1 row) |
| |
| DROP TABLE xpath_test; |
| CREATE TABLE xpath_test (id integer NOT NULL, t text); |
| INSERT INTO xpath_test VALUES (1, '<doc><int>1</int></doc>'); |
| SELECT * FROM xpath_table('id', 't', 'xpath_test', '/doc/int', 'true') |
| as t(id int4); |
| id |
| ---- |
| (0 rows) |
| |
| SELECT * FROM xpath_table('id', 't', 'xpath_test', '/doc/int', 'true') |
| as t(id int4, doc int4); |
| id | doc |
| ----+----- |
| 1 | 1 |
| (1 row) |
| |
| create table articles (article_id integer, article_xml xml, date_entered date); |
| insert into articles (article_id, article_xml, date_entered) |
| values (2, '<article><author>test</author><pages>37</pages></article>', now()); |
| SELECT * FROM |
| xpath_table('article_id', |
| 'article_xml', |
| 'articles', |
| '/article/author|/article/pages|/article/title', |
| 'date_entered > ''2003-01-01'' ') |
| AS t(article_id integer, author text, page_count integer, title text); |
| article_id | author | page_count | title |
| ------------+--------+------------+------- |
| 2 | test | 37 | |
| (1 row) |
| |
| -- this used to fail when invoked a second time |
| select xslt_process('<aaa/>',$$<xsl:stylesheet version="1.0" |
| xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> |
| <xsl:template match="@*|node()"> |
| <xsl:copy> |
| <xsl:apply-templates select="@*|node()"/> |
| </xsl:copy> |
| </xsl:template> |
| </xsl:stylesheet>$$)::xml; |
| xslt_process |
| -------------- |
| <aaa/> + |
| |
| (1 row) |
| |
| select xslt_process('<aaa/>',$$<xsl:stylesheet version="1.0" |
| xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> |
| <xsl:template match="@*|node()"> |
| <xsl:copy> |
| <xsl:apply-templates select="@*|node()"/> |
| </xsl:copy> |
| </xsl:template> |
| </xsl:stylesheet>$$)::xml; |
| xslt_process |
| -------------- |
| <aaa/> + |
| |
| (1 row) |
| |
| create table t1 (id integer, xml_data xml); |
| insert into t1 (id, xml_data) |
| values |
| (1, '<attributes><attribute name="attr_1">Some |
| Value</attribute></attributes>'); |
| create index idx_xpath on t1 ( xpath_string |
| ('/attributes/attribute[@name="attr_1"]/text()', xml_data::text)); |
| SELECT xslt_process('<employee><name>cim</name><age>30</age><pay>400</pay></employee>'::text, $$<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"> |
| <xsl:output method="xml" omit-xml-declaration="yes" indent="yes"/> |
| <xsl:strip-space elements="*"/> |
| <xsl:param name="n1"/> |
| <xsl:param name="n2"/> |
| <xsl:param name="n3"/> |
| <xsl:param name="n4"/> |
| <xsl:param name="n5" select="'me'"/> |
| <xsl:template match="*"> |
| <xsl:element name="samples"> |
| <xsl:element name="sample"> |
| <xsl:value-of select="$n1"/> |
| </xsl:element> |
| <xsl:element name="sample"> |
| <xsl:value-of select="$n2"/> |
| </xsl:element> |
| <xsl:element name="sample"> |
| <xsl:value-of select="$n3"/> |
| </xsl:element> |
| <xsl:element name="sample"> |
| <xsl:value-of select="$n4"/> |
| </xsl:element> |
| <xsl:element name="sample"> |
| <xsl:value-of select="$n5"/> |
| </xsl:element> |
| <xsl:element name="sample"> |
| <xsl:value-of select="$n6"/> |
| </xsl:element> |
| <xsl:element name="sample"> |
| <xsl:value-of select="$n7"/> |
| </xsl:element> |
| <xsl:element name="sample"> |
| <xsl:value-of select="$n8"/> |
| </xsl:element> |
| <xsl:element name="sample"> |
| <xsl:value-of select="$n9"/> |
| </xsl:element> |
| <xsl:element name="sample"> |
| <xsl:value-of select="$n10"/> |
| </xsl:element> |
| <xsl:element name="sample"> |
| <xsl:value-of select="$n11"/> |
| </xsl:element> |
| <xsl:element name="sample"> |
| <xsl:value-of select="$n12"/> |
| </xsl:element> |
| </xsl:element> |
| </xsl:template> |
| </xsl:stylesheet>$$::text, 'n1="v1",n2="v2",n3="v3",n4="v4",n5="v5",n6="v6",n7="v7",n8="v8",n9="v9",n10="v10",n11="v11",n12="v12"'::text); |
| xslt_process |
| ------------------------ |
| <samples> + |
| <sample>v1</sample> + |
| <sample>v2</sample> + |
| <sample>v3</sample> + |
| <sample>v4</sample> + |
| <sample>v5</sample> + |
| <sample>v6</sample> + |
| <sample>v7</sample> + |
| <sample>v8</sample> + |
| <sample>v9</sample> + |
| <sample>v10</sample>+ |
| <sample>v11</sample>+ |
| <sample>v12</sample>+ |
| </samples> + |
| |
| (1 row) |
| |
| -- possible security exploit |
| SELECT xslt_process('<xml><foo>Hello from XML</foo></xml>', |
| $$<xsl:stylesheet version="1.0" |
| xmlns:xsl="http://www.w3.org/1999/XSL/Transform" |
| xmlns:sax="http://icl.com/saxon" |
| extension-element-prefixes="sax"> |
| |
| <xsl:template match="//foo"> |
| <sax:output href="0wn3d.txt" method="text"> |
| <xsl:value-of select="'0wn3d via xml2 extension and libxslt'"/> |
| <xsl:apply-templates/> |
| </sax:output> |
| </xsl:template> |
| </xsl:stylesheet>$$); |
| ERROR: failed to apply stylesheet |