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pg-meta-data.xml
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178 lines (171 loc) · 3.8 KB
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<?xml version="1.0" encoding="utf-8"?>
<!-- EN-Revision: c2eca73ef79ebe78cebb34053e41b565af504c4f Maintainer: PhilDaiguille Status: ready -->
<!-- Reviewed: no -->
<refentry xml:id="function.pg-meta-data" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>pg_meta_data</refname>
<refpurpose>
Lee los metadatos de la tabla PostgreSQL
</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type class="union"><type>array</type><type>false</type></type><methodname>pg_meta_data</methodname>
<methodparam><type>PgSql\Connection</type><parameter>connection</parameter></methodparam>
<methodparam><type>string</type><parameter>table_name</parameter></methodparam>
<methodparam choice="opt"><type>bool</type><parameter>extended</parameter><initializer>&false;</initializer></methodparam>
</methodsynopsis>
<para>
<function>pg_meta_data</function> devuelve la definición de la tabla
<literal>table_name</literal> en forma de array.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>connection</parameter></term>
<listitem>
&pgsql.parameter.connection;
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>table_name</parameter></term>
<listitem>
<para>
El nombre de la tabla.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>extended</parameter></term>
<listitem>
<para>
Flag para devolver los metadatos extendidos. Por omisión,
vale &false;.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Un &array; de la definición de la tabla, &return.falseforfailure;.
</para>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
&pgsql.changelog.connection-object;
</tbody>
</tgroup>
</informaltable>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>Recuperación de los metadatos de una tabla</title>
<programlisting role="php">
<![CDATA[
<?php
$dbconn = pg_connect("dbname=publisher") or die("Conexión imposible");
$meta = pg_meta_data($dbconn,'auteurs');
if (is_array ($meta)) {
echo '<pre>';
var_dump ($meta);
echo '</pre>';
}
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
array(3) {
["auteur"]=>
array(5) {
["num"]=>
int(1)
["type"]=>
string(7) "varchar"
["len"]=>
int(-1)
["not null"]=>
bool(false)
["has default"]=>
bool(false)
}
["annee"]=>
array(5) {
["num"]=>
int(2)
["type"]=>
string(4) "int2"
["len"]=>
int(2)
["not null"]=>
bool(false)
["has default"]=>
bool(false)
}
["titre"]=>
array(5) {
["num"]=>
int(3)
["type"]=>
string(7) "varchar"
["len"]=>
int(-1)
["not null"]=>
bool(false)
["has default"]=>
bool(false)
}
}
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>pg_convert</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
End:
vim600: syn=xml fen fdm=syntax fdl=2 si
vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->