mirror of
https://github.com/macintoshplus/doc-fr.git
synced 2026-04-23 08:38:06 +02:00
Yannick Torres
0720f7cf84
git-svn-id: https://svn.php.net/repository/phpdoc/fr/trunk@254064 c90b9560-bf6c-de11-be94-00142212c4b1
146 lines
3.6 KiB
XML
146 lines
3.6 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.17 $ -->
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<!-- EN-Revision: 1.11 Maintainer: jsgoupil Status: ready -->
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<!-- Reviewed: no -->
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<refentry xml:id="function.pg-field-name" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>pg_field_name</refname>
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<refpurpose>
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Retourne le nom d'un champ PostgreSQL
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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_field_name</methodname>
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<methodparam><type>resource</type><parameter>result</parameter></methodparam>
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<methodparam><type>int</type><parameter>field_number</parameter></methodparam>
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</methodsynopsis>
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<para>
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<function>pg_field_name</function> retourne le nom du champ qui occupe la
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colonne numéro <parameter>field_number</parameter> dans le
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résultat <parameter>result</parameter>. La numérotation
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des champs commence à 0.
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</para>
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<note>
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<para>
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Auparavant, cette fonction s'appelait <function>pg_fieldname</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>result</parameter></term>
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<listitem>
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<para>
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Ressource de résultat de requête PostgreSQL, retournée par
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<function>pg_query</function>, <function>pg_query_params</function> ou
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<function>pg_execute</function> (entre autres).
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>field_number</parameter></term>
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<listitem>
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<para>
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Numéro du champ, commençant à 0.
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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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Le nom du champ ou &false; en cas d'erreur.
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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>Récupération d'informations des champs</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$dbconn = pg_connect("dbname=publisher") or die("Connexion impossible");
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$res = pg_query($dbconn, "select * from auteurs where auteur = 'Orwell'");
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$i = pg_num_fields($res);
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for ($j = 0; $j < $i; $j++) {
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echo "colonne $j\n";
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$fieldname = pg_field_name($res, $j);
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echo "Champ : $fieldname\n";
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echo "Taille affichée : ".pg_field_prtlen($res, $fieldname)." caractères\n";
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echo "Taille de stockage : ".pg_field_size($res, $j)." octets\n";
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echo "Type de champ : ".pg_field_type($res, $j)." \n\n";
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}
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?>
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]]>
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</programlisting>
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&example.outputs;
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<screen>
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<![CDATA[
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colonne 0
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Champ : auteur
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Taille affichée : 6 caractères
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Taille de stockage : -1 octets
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Type de champ : varchar
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colonne 1
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Champ : annee
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Taille affichée : 4 caractère
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Taille de stockage : 2 octets
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Type de champ : int2
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colonne 2
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Champ : titre
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Taille affichée : 24 caractères
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Taille de stockage : -1 octets
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Type de champ : varchar
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]]>
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</screen>
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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_field_num</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:"../../../../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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