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7af8e8d671
This involves modifying the module to have a stable ABI, that is, the xslt_process() function still exists even without libxslt. It throws a runtime error if called, but doesn't prevent executing the CREATE FUNCTION call. This is a good thing anyway to simplify cross-version upgrades.
103 lines
2.8 KiB
Plaintext
103 lines
2.8 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 xslt_process(
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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>'::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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ERROR: xslt_process() is not available without libxslt
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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 text, 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/>',$$<xsl:stylesheet version="1.0"
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xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
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<xsl:template match="@*|node()">
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<xsl:copy>
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<xsl:apply-templates select="@*|node()"/>
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</xsl:copy>
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</xsl:template>
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</xsl:stylesheet>$$);
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ERROR: xslt_process() is not available without libxslt
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select xslt_process('<aaa/>',$$<xsl:stylesheet version="1.0"
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xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
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<xsl:template match="@*|node()">
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<xsl:copy>
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<xsl:apply-templates select="@*|node()"/>
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</xsl:copy>
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</xsl:template>
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</xsl:stylesheet>$$);
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ERROR: xslt_process() is not available without libxslt
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create table t1 (id integer, xml_data text);
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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));
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