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136 lines
3.5 KiB
XML
136 lines
3.5 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- EN-Revision: c2eca73ef79ebe78cebb34053e41b565af504c4f Maintainer: PhilDaiguille Status: ready -->
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<!-- Reviewed: no -->
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<refentry xml:id="function.pg-last-error" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>pg_last_error</refname>
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<refpurpose>
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Lee el último mensaje de error en la conexión
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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_last_error</methodname>
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<methodparam choice="opt"><type class="union"><type>PgSql\Connection</type><type>null</type></type><parameter>connection</parameter><initializer>&null;</initializer></methodparam>
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</methodsynopsis>
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<para>
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<function>pg_last_error</function> devuelve el último mensaje de error
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para una conexión <parameter>connection</parameter>.
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</para>
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<para>
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Los mensajes de error pueden ser sobrescritos por llamadas internas a la extensión
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PostgreSQL (libpq): es posible que el mensaje devuelto no sea
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apropiado, especialmente si han ocurrido múltiples errores en el módulo.
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</para>
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<para>
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Utilícese <function>pg_result_error</function>,
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<function>pg_result_error_field</function>,
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<function>pg_result_status</function> y
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<function>pg_connection_status</function> para mejorar la gestión
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de errores.
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</para>
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<note>
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<para>
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Anteriormente, esta función se llamaba <function>pg_errormessage</function>.
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</para>
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</note>
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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>connection</parameter></term>
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<listitem>
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&pgsql.parameter.connection-with-nullable-default;
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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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Un &string; que contiene el último mensaje de error en la conexión
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<parameter>connection</parameter>.
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</para>
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</refsect1>
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<refsect1 role="changelog">
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&reftitle.changelog;
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<informaltable>
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<tgroup cols="2">
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<thead>
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<row>
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<entry>&Version;</entry>
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<entry>&Description;</entry>
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</row>
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</thead>
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<tbody>
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&pgsql.changelog.connection-object;
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<row>
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<entry>8.0.0</entry>
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<entry>
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<parameter>connection</parameter> ahora es nullable.
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</entry>
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</row>
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</tbody>
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</tgroup>
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</informaltable>
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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>Ejemplo con <function>pg_last_error</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$dbconn = pg_connect("dbname=publisher") or die("Conexión imposible");
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// Consulta que falla
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$res = pg_query($dbconn, "select * from doesnotexist");
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echo pg_last_error($dbconn);
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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</function></member>
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<member><function>pg_result_error_field</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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