mirror of
https://github.com/sigmasternchen/php-doc-en
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e8e7d86806
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@334210 c90b9560-bf6c-de11-be94-00142212c4b1
118 lines
3.3 KiB
XML
118 lines
3.3 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- splitted from ./en/functions/pgsql.xml, last change in rev 1.82 -->
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<refentry xml:id='function.pg-result-error' xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>pg_result_error</refname>
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<refpurpose>
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Get error message associated with result
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</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>string</type><methodname>pg_result_error</methodname>
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<methodparam><type>resource</type><parameter>result</parameter></methodparam>
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</methodsynopsis>
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<para>
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<function>pg_result_error</function> returns any error message
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associated with the <parameter>result</parameter> resource. Therefore,
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the user has a better chance of getting the correct error message than
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with <function>pg_last_error</function>.
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</para>
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<para>
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The function <function>pg_result_error_field</function> can give much greater
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detail on result errors than <function>pg_result_error</function>.
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</para>
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<para>
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Because <function>pg_query</function> returns &false; if the query fails,
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you must use <function>pg_send_query</function> and
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<function>pg_get_result</function> to get the result handle.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<para>
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<variablelist>
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<varlistentry>
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<term><parameter>result</parameter></term>
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<listitem>
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<para>
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PostgreSQL query result resource, returned by <function>pg_query</function>,
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<function>pg_query_params</function> or <function>pg_execute</function>
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(among others).
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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Returns a <type>string</type>. Returns empty string if there is no error. If there is an error associated with the
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<parameter>result</parameter> parameter, returns &false;.
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</para>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<para>
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<example>
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<title><function>pg_result_error</function> example</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$dbconn = pg_connect("dbname=publisher") or die("Could not connect");
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if (!pg_connection_busy($dbconn)) {
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pg_send_query($dbconn, "select * from doesnotexist;");
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}
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$res1 = pg_get_result($dbconn);
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echo pg_result_error($res1);
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?>
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]]>
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</programlisting>
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</example>
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</para>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><function>pg_result_error_field</function></member>
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<member><function>pg_query</function></member>
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<member><function>pg_send_query</function></member>
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<member><function>pg_get_result</function></member>
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<member><function>pg_last_error</function></member>
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<member><function>pg_last_notice</function></member>
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</simplelist>
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</para>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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