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git-svn-id: https://svn.php.net/repository/phpdoc/de/trunk@197923 c90b9560-bf6c-de11-be94-00142212c4b1
134 lines
3.6 KiB
XML
134 lines
3.6 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.7 $ -->
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<!-- EN-Revision: 1.8 Maintainer: conni Status: ready -->
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<refentry id="function.pg-lo-export">
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<refnamediv>
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<refname>pg_lo_export</refname>
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<refpurpose>Exportiert ein Large Object in eine Datei</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><type>resource</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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<methodsynopsis>
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<type>bool</type><methodname>pg_lo_export</methodname>
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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> liest die Inhalte eines Large Objects
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aus einer PostgreSQL Datenbank aus und speichert sie in einer Datei im lokalen Dateisystem.
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</para>
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<para>
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Um die Large Object (lo) Schnittstelle benutzen zu können, müssen
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die Kommandos innerhalb einer Transaktion ausgeführt werden.
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</para>
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<note>
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<para>
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Diese Funktion ersetzt die Funktion <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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<para>
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PostgreSQL Verbindungskennung, die (unter anderem) von den
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Funktionen <function>pg_query</function>,
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<function>pg_query_params</function> oder
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<function>pg_execute</function> zurückgegeben wurde.
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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>oid</parameter></term>
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<listitem>
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<para>
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Der <varname>OID</varname> des Large Objects in der Datenbank.
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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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Der vollständige Pfad und Dateiname der Datei, in der die Inhalte des Large Objects im lokalen Dateisystem gespeichert werden.
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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="examples">
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&reftitle.examples;
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<para>
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<example>
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<title><function>pg_lo_export</function> Beispiel</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, "Die Daten des Large Objects");
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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:"../../../../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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