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93f9b4a93f
These two functions with their different argument lists have never been tested in this module, so let's add something. Author: Ronan Dunklau Discussion: https://postgr.es/m/ZzMSJkiNZhimjXWx@paquier.xyz
264 lines
9.1 KiB
Plaintext
264 lines
9.1 KiB
Plaintext
CREATE EXTENSION xml2;
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select query_to_xml('select 1 as x',true,false,'');
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query_to_xml
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---------------------------------------------------------------
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<table xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">+
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+
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<row> +
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<x>1</x> +
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</row> +
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+
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</table> +
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(1 row)
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select xslt_process( query_to_xml('select x from generate_series(1,5) as
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x',true,false,'')::text,
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$$<xsl:stylesheet version="1.0"
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xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
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<xsl:output method="xml" indent="yes" />
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<xsl:template match="*">
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<xsl:copy>
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<xsl:copy-of select="@*" />
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<xsl:apply-templates />
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</xsl:copy>
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</xsl:template>
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<xsl:template match="comment()|processing-instruction()">
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<xsl:copy />
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</xsl:template>
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</xsl:stylesheet>
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$$::text);
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xslt_process
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---------------------------------------------------------------
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<?xml version="1.0"?> +
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<table xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">+
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+
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<row> +
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<x>1</x> +
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</row> +
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+
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<row> +
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<x>2</x> +
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</row> +
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+
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<row> +
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<x>3</x> +
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</row> +
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+
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<row> +
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<x>4</x> +
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</row> +
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+
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<row> +
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<x>5</x> +
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</row> +
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+
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</table> +
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(1 row)
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CREATE TABLE xpath_test (id integer NOT NULL, t xml);
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INSERT INTO xpath_test VALUES (1, '<doc><int>1</int></doc>');
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SELECT * FROM xpath_table('id', 't', 'xpath_test', '/doc/int', 'true')
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as t(id int4);
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id
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----
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(0 rows)
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SELECT * FROM xpath_table('id', 't', 'xpath_test', '/doc/int', 'true')
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as t(id int4, doc int4);
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id | doc
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----+-----
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1 | 1
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(1 row)
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DROP TABLE xpath_test;
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CREATE TABLE xpath_test (id integer NOT NULL, t text);
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INSERT INTO xpath_test VALUES (1, '<doc><int>1</int></doc>');
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SELECT * FROM xpath_table('id', 't', 'xpath_test', '/doc/int', 'true')
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as t(id int4);
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id
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----
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(0 rows)
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SELECT * FROM xpath_table('id', 't', 'xpath_test', '/doc/int', 'true')
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as t(id int4, doc int4);
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id | doc
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----+-----
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1 | 1
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(1 row)
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create table articles (article_id integer, article_xml xml, date_entered date);
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insert into articles (article_id, article_xml, date_entered)
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values (2, '<article><author>test</author><pages>37</pages></article>', now());
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SELECT * FROM
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xpath_table('article_id',
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'article_xml',
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'articles',
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'/article/author|/article/pages|/article/title',
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'date_entered > ''2003-01-01'' ')
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AS t(article_id integer, author text, page_count integer, title text);
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article_id | author | page_count | title
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------------+--------+------------+-------
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2 | test | 37 |
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(1 row)
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-- this used to fail when invoked a second time
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select xslt_process('<aaa/>',$$<xsl:stylesheet version="1.0"
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xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
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<xsl:template match="@*|node()">
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<xsl:copy>
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<xsl:apply-templates select="@*|node()"/>
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</xsl:copy>
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</xsl:template>
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</xsl:stylesheet>$$)::xml;
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xslt_process
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--------------
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<aaa/> +
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(1 row)
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select xslt_process('<aaa/>',$$<xsl:stylesheet version="1.0"
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xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
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<xsl:template match="@*|node()">
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<xsl:copy>
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<xsl:apply-templates select="@*|node()"/>
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</xsl:copy>
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</xsl:template>
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</xsl:stylesheet>$$)::xml;
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xslt_process
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--------------
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<aaa/> +
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(1 row)
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create table t1 (id integer, xml_data xml);
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insert into t1 (id, xml_data)
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values
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(1, '<attributes><attribute name="attr_1">Some
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Value</attribute></attributes>');
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create index idx_xpath on t1 ( xpath_string
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('/attributes/attribute[@name="attr_1"]/text()', xml_data::text));
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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">
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<xsl:output method="xml" omit-xml-declaration="yes" indent="yes"/>
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<xsl:strip-space elements="*"/>
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<xsl:param name="n1"/>
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<xsl:param name="n2"/>
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<xsl:param name="n3"/>
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<xsl:param name="n4"/>
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<xsl:param name="n5" select="'me'"/>
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<xsl:template match="*">
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<xsl:element name="samples">
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<xsl:element name="sample">
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<xsl:value-of select="$n1"/>
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</xsl:element>
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<xsl:element name="sample">
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<xsl:value-of select="$n2"/>
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</xsl:element>
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<xsl:element name="sample">
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<xsl:value-of select="$n3"/>
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</xsl:element>
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<xsl:element name="sample">
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<xsl:value-of select="$n4"/>
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</xsl:element>
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<xsl:element name="sample">
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<xsl:value-of select="$n5"/>
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</xsl:element>
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<xsl:element name="sample">
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<xsl:value-of select="$n6"/>
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</xsl:element>
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<xsl:element name="sample">
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<xsl:value-of select="$n7"/>
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</xsl:element>
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<xsl:element name="sample">
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<xsl:value-of select="$n8"/>
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</xsl:element>
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<xsl:element name="sample">
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<xsl:value-of select="$n9"/>
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</xsl:element>
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<xsl:element name="sample">
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<xsl:value-of select="$n10"/>
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</xsl:element>
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<xsl:element name="sample">
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<xsl:value-of select="$n11"/>
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</xsl:element>
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<xsl:element name="sample">
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<xsl:value-of select="$n12"/>
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</xsl:element>
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</xsl:element>
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</xsl:template>
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</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);
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xslt_process
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------------------------
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<samples> +
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<sample>v1</sample> +
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<sample>v2</sample> +
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<sample>v3</sample> +
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<sample>v4</sample> +
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<sample>v5</sample> +
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<sample>v6</sample> +
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<sample>v7</sample> +
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<sample>v8</sample> +
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<sample>v9</sample> +
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<sample>v10</sample>+
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<sample>v11</sample>+
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<sample>v12</sample>+
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</samples> +
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(1 row)
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-- xpath_nodeset()
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SELECT xpath_nodeset(article_xml::text, '/article/author|/article/pages')
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FROM articles;
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xpath_nodeset
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----------------------------------------
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<author>test</author><pages>37</pages>
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(1 row)
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SELECT xpath_nodeset(article_xml::text, '/article/author|/article/pages',
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'item_without_toptag')
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FROM articles;
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xpath_nodeset
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------------------------------------------------------------------------------------------------------------------------------
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<item_without_toptag><author>test</author></item_without_toptag><item_without_toptag><pages>37</pages></item_without_toptag>
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(1 row)
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SELECT xpath_nodeset(article_xml::text, '/article/author|/article/pages',
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'result', 'item')
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FROM articles;
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xpath_nodeset
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-----------------------------------------------------------------------------------
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<result><item><author>test</author></item><item><pages>37</pages></item></result>
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(1 row)
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-- xpath_list()
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SELECT xpath_list(article_xml::text, '/article/author|/article/pages')
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FROM articles;
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xpath_list
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------------
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test,37
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(1 row)
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SELECT xpath_list(article_xml::text, '/article/author|/article/pages', '|')
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FROM articles;
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xpath_list
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------------
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test|37
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(1 row)
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-- possible security exploit
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SELECT xslt_process('<xml><foo>Hello from XML</foo></xml>',
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$$<xsl:stylesheet version="1.0"
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xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
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xmlns:sax="http://icl.com/saxon"
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extension-element-prefixes="sax">
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<xsl:template match="//foo">
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<sax:output href="0wn3d.txt" method="text">
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<xsl:value-of select="'0wn3d via xml2 extension and libxslt'"/>
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<xsl:apply-templates/>
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</sax:output>
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</xsl:template>
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</xsl:stylesheet>$$);
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ERROR: failed to apply stylesheet
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