8748dc3580
Prior to 8.3, these changes are not critical for compatibility with core Postgres, since core had no libxml2 calls then. However there is still a risk if contrib/xml2 is used along with libxml2 functionality in Perl or other loadable modules. So back-patch to all versions. Also back-patch addition of regression tests. I'm not sure how many of the cases are interesting without the interaction with core xml code, but a silly regression test is still better than none at all.
148 lines
3.6 KiB
Plaintext
148 lines
3.6 KiB
Plaintext
--
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-- first, define the functions. Turn off echoing so that expected file
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-- does not depend on contents of pgxml.sql.
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--
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SET client_min_messages = warning;
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\set ECHO none
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RESET client_min_messages;
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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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<row>
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<x>1</x>
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</row>
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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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<row>
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<x>1</x>
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</row>
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<row>
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<x>2</x>
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</row>
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<row>
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<x>3</x>
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</row>
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<row>
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<x>4</x>
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</row>
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<row>
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<x>5</x>
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</row>
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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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