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145 lines
3.7 KiB
XML
145 lines
3.7 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- EN-Revision: c2eca73ef79ebe78cebb34053e41b565af504c4f Maintainer: dams Status: ready -->
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<!-- Reviewed: no -->
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<refentry xml:id="function.pg-lo-export" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>pg_lo_export</refname>
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<refpurpose>
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Exporte un objet de grande taille vers un fichier
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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>bool</type><methodname>pg_lo_export</methodname>
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<methodparam choice="opt"><type>PgSql\Connection</type><parameter>connection</parameter></methodparam>
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<methodparam><type>int</type><parameter>oid</parameter></methodparam>
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<methodparam><type>string</type><parameter>pathname</parameter></methodparam>
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</methodsynopsis>
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<para>
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<function>pg_lo_export</function> prend un objet de grande taille de la
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base de données PostgreSQL et sauvegarde son contenu dans un fichier local
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au système.
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</para>
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<para>
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Pour utiliser un objet de grande taille (<literal>lo</literal>), il est
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nécessaire de le faire dans une transaction.
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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_loexport</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-unspecified-default;
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>oid</parameter></term>
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<listitem>
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<para>
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Le <varname>OID</varname> de l'objet de grande taille dans la base de
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données.
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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>pathname</parameter></term>
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<listitem>
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<para>
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Le chemin d'accès complet ainsi que le fichier dans lequel il sera
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écrit l'objet de grande taille sur le système du client.
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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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&return.success;
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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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</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_lo_export</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$database = pg_connect("dbname=jacarta");
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pg_query($database, "begin");
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$oid = pg_lo_create($database);
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$handle = pg_lo_open($database, $oid, "w");
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pg_lo_write($handle, "données objet de grande taille");
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pg_lo_close($handle);
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pg_lo_export($database, $oid, '/tmp/lob.dat');
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pg_query($database, "commit");
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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_lo_import</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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