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148 lines
4.5 KiB
XML
148 lines
4.5 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- EN-Revision: c2eca73ef79ebe78cebb34053e41b565af504c4f Maintainer: jsgoupil Status: ready -->
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<!-- Reviewed: no -->
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<refentry xml:id="function.pg-result-error-field" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>pg_result_error_field</refname>
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<refpurpose>
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Retourne un champ individuel d'un rapport d'erreur
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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 class="union"><type>string</type><type>false</type><type>null</type></type><methodname>pg_result_error_field</methodname>
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<methodparam><type>PgSql\Result</type><parameter>result</parameter></methodparam>
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<methodparam><type>int</type><parameter>field_code</parameter></methodparam>
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</methodsynopsis>
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<para>
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<function>pg_result_error_field</function> retourne un des champs détaillés
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de message d'erreur qui sont associés à la ressource
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<parameter>result</parameter>. Cette fonction est disponible seulement sur
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les serveurs PostgreSQL 7.4 ou supérieurs. Le champ d'erreur est spécifié
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par <parameter>field_code</parameter>.
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</para>
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<para>
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Puisque <function>pg_query</function> et
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<function>pg_query_params</function> retourne &false; si la requête échoue,
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vous devez utiliser <function>pg_send_query</function> et
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<function>pg_get_result</function> pour obtenir le jeu de résultats.
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</para>
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<para>
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Si vous avez besoin d'obtenir plus d'informations sur l'erreur lors de
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l'échec des requêtes avec <function>pg_query</function>, utilisez
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<function>pg_set_error_verbosity</function> et
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<function>pg_last_error</function> et analyser ensuite le résultat.
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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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&pgsql.parameter.result;
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>field_code</parameter></term>
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<listitem>
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<para>
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Les valeurs possibles de <parameter>field_code</parameter> sont :
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<constant>PGSQL_DIAG_SEVERITY</constant>,
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<constant>PGSQL_DIAG_SQLSTATE</constant>, <constant>PGSQL_DIAG_MESSAGE_PRIMARY</constant>,
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<constant>PGSQL_DIAG_MESSAGE_DETAIL</constant>,
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<constant>PGSQL_DIAG_MESSAGE_HINT</constant>, <constant>PGSQL_DIAG_STATEMENT_POSITION</constant>,
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<constant>PGSQL_DIAG_INTERNAL_POSITION</constant> (PostgreSQL 8.0+ seulement),
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<constant>PGSQL_DIAG_INTERNAL_QUERY</constant> (PostgreSQL 8.0+ seulement),
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<constant>PGSQL_DIAG_CONTEXT</constant>, <constant>PGSQL_DIAG_SOURCE_FILE</constant>,
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<constant>PGSQL_DIAG_SOURCE_LINE</constant> ou
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<constant>PGSQL_DIAG_SOURCE_FUNCTION</constant>.
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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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Retourne une chaîne contenant le contenu du champ d'erreur, &null; si le
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champ n'existe pas ou &false; en cas d'échec.
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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.result-object;
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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>Exemple avec <function>pg_result_error_field</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$dbconn = pg_connect("dbname=publisher") or die("Connexion impossible");
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if (!pg_connection_busy($dbconn)) {
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pg_send_query($dbconn, "select * from nexistepas;");
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}
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$res1 = pg_get_result($dbconn);
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echo pg_result_error_field($res1, PGSQL_DIAG_SQLSTATE);
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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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</simplelist>
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</para>
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</refsect1>
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</refentry>
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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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-->
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