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8915e19bd6
* Update pg-lo-import.xml * Update pg-lo-unlink.xml * Update pg-meta-data.xml * Update constants.xml * Update pg-field-num.xml * Update constants.xml * Update pg-lo-import.xml
178 lines
3.7 KiB
XML
178 lines
3.7 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: c2eca73ef79ebe78cebb34053e41b565af504c4f Maintainer: HonestQiao Status: ready -->
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<!-- CREDITS: mowangjuanzi -->
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<refentry xml:id="function.pg-meta-data" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>pg_meta_data</refname>
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<refpurpose>
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获得表的元数据
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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>array</type><type>false</type></type><methodname>pg_meta_data</methodname>
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<methodparam><type>PgSql\Connection</type><parameter>connection</parameter></methodparam>
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<methodparam><type>string</type><parameter>table_name</parameter></methodparam>
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<methodparam choice="opt"><type>bool</type><parameter>extended</parameter><initializer>&false;</initializer></methodparam>
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</methodsynopsis>
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<para>
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<function>pg_metadata</function> 以数组形式返回 <literal>table_name</literal> 的表定义。
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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>connection</parameter></term>
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<listitem>
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&pgsql.parameter.connection;
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>table_name</parameter></term>
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<listitem>
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<para>
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表名。
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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>extended</parameter></term>
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<listitem>
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<para>
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用于返回扩展元数据的 flag。默认为 &false;。
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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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以 <type>array</type> 形式返回表定义，&return.falseforfailure;。
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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>取得表的元数据</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$dbconn = pg_connect("dbname=publisher") or die("Could not connect");
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$meta = pg_meta_data($dbconn, 'authors');
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if (is_array($meta)) {
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echo '<pre>';
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var_dump($meta);
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echo '</pre>';
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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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array(3) {
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["author"]=>
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array(5) {
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["num"]=>
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int(1)
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["type"]=>
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string(7) "varchar"
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["len"]=>
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int(-1)
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["not null"]=>
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bool(false)
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["has default"]=>
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bool(false)
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}
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["year"]=>
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array(5) {
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["num"]=>
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int(2)
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["type"]=>
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string(4) "int2"
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["len"]=>
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int(2)
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["not null"]=>
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bool(false)
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["has default"]=>
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bool(false)
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}
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["title"]=>
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array(5) {
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["num"]=>
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int(3)
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["type"]=>
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string(7) "varchar"
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["len"]=>
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int(-1)
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["not null"]=>
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bool(false)
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["has default"]=>
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bool(false)
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}
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}
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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_convert</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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