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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>52.22. pg_extension</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><link rev="made" href="pgsql-docs@lists.postgresql.org" /><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" /><link rel="prev" href="catalog-pg-event-trigger.html" title="52.21. pg_event_trigger" /><link rel="next" href="catalog-pg-foreign-data-wrapper.html" title="52.23. pg_foreign_data_wrapper" /><meta name="viewport" content="width=device-width,initial-scale=1.0" /></head><body id="docContent" class="container-fluid col-10"><div class="other_version"><a href="https://www.postgresql.jp/document/">バージョンごとのドキュメント一覧</a></div><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="4" align="center"><a accesskey="h" href="index.html">PostgreSQL 18.3文書</a></th></tr><tr><td width="10%" align="left"></td><td width="10%" align="left"></td><td width="60%" align="center"><a href="catalogs.html" title="第52章 システムカタログ">第52章 システムカタログ</a></td><td width="20%" align="right"><div class="actions"><a class="issue" title="github" href="https://github.com/pgsql-jp/jpug-doc/issues/new?template=bug_report.yml&what-happened=version 18.3 : catalog-pg-extension.html">誤訳等の報告
</a></div></td></tr><tr><td width="10%" align="left"><a accesskey="p" href="catalog-pg-event-trigger.html" title="52.21. pg_event_trigger">前へ</a> </td><td width="10%" align="left"><a accesskey="u" href="catalogs.html" title="第52章 システムカタログ">上へ</a></td><td width="60%" align="center">52.22. <code class="structname">pg_extension</code></td><td width="20%" align="right"> <a accesskey="n" href="catalog-pg-foreign-data-wrapper.html" title="52.23. pg_foreign_data_wrapper">次へ</a></td></tr></table><hr /></div><div class="sect1" id="CATALOG-PG-EXTENSION"><div class="titlepage"><div><div><h2 class="title" style="clear: both">52.22. <code class="structname">pg_extension</code> <a href="#CATALOG-PG-EXTENSION" class="id_link">#</a></h2></div></div></div><a id="id-1.10.4.24.2" class="indexterm"></a><p>
<span class="original">
The catalog <structname>pg_extension</structname> stores information
about the installed extensions. See <xref linkend="extend-extensions"/>
for details about extensions.
</span>
<code class="structname">pg_extension</code>カタログにはインストールされた拡張に関する情報が格納されます。
拡張の詳細については<a class="xref" href="extend-extensions.html" title="36.17. 関連するオブジェクトを拡張としてパッケージ化">36.17</a>を参照してください。
</p><div class="table" id="id-1.10.4.24.4"><p class="title"><strong>表52.22 <code class="structname">pg_extension</code>の列</strong></p><div class="table-contents"><span class="original">
<title><structname>pg_extension</structname> Columns</title>
</span><table class="table" summary="pg_extensionの列" border="1"><colgroup><col /></colgroup><thead><tr><th class="catalog_table_entry"><p class="column_definition">
<span class="original">
Column Type
</span>
列 型
</p>
<p>
<span class="original">
Description
</span>
説明
</p></th></tr></thead><tbody><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">oid</code> <code class="type">oid</code>
</p>
<p>
<span class="original">
Row identifier
</span>
行識別子
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">extname</code> <code class="type">name</code>
</p>
<p>
<span class="original">
Name of the extension
</span>
拡張の名前
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">extowner</code> <code class="type">oid</code>
<span class="original">
(references <link linkend="catalog-pg-authid"><structname>pg_authid</structname></link>.<structfield>oid</structfield>)
</span>
(参照先 <a class="link" href="catalog-pg-authid.html" title="52.8. pg_authid"><code class="structname">pg_authid</code></a>.<code class="structfield">oid</code>)
</p>
<p>
<span class="original">
Owner of the extension
</span>
拡張の所有者
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">extnamespace</code> <code class="type">oid</code>
<span class="original">
(references <link linkend="catalog-pg-namespace"><structname>pg_namespace</structname></link>.<structfield>oid</structfield>)
</span>
(参照先 <a class="link" href="catalog-pg-namespace.html" title="52.32. pg_namespace"><code class="structname">pg_namespace</code></a>.<code class="structfield">oid</code>)
</p>
<p>
<span class="original">
Schema containing the extension's exported objects
</span>
拡張が提供するオブジェクトを含むスキーマ
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">extrelocatable</code> <code class="type">bool</code>
</p>
<p>
<span class="original">
True if extension can be relocated to another schema
</span>
拡張が他のスキーマに再配置可能である場合はtrue
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">extversion</code> <code class="type">text</code>
</p>
<p>
<span class="original">
Version name for the extension
</span>
拡張のバージョン名
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">extconfig</code> <code class="type">oid[]</code>
<span class="original">
(references <link linkend="catalog-pg-class"><structname>pg_class</structname></link>.<structfield>oid</structfield>)
</span>
(参照先 <a class="link" href="catalog-pg-class.html" title="52.11. pg_class"><code class="structname">pg_class</code></a>.<code class="structfield">oid</code>)
</p>
<p>
<span class="original">
Array of <type>regclass</type> OIDs for the extension's configuration
table(s), or <literal>NULL</literal> if none
</span>
拡張の設定テーブル<code class="type">regclass</code>のOIDの配列。なければ<code class="literal">NULL</code>
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">extcondition</code> <code class="type">text[]</code>
</p>
<p>
<span class="original">
Array of <literal>WHERE</literal>-clause filter conditions for the
extension's configuration table(s), or <literal>NULL</literal> if none
</span>
拡張の設定テーブル用の<code class="literal">WHERE</code>句フィルタ条件の配列。なければ<code class="literal">NULL</code>
</p></td></tr></tbody></table></div></div><br class="table-break" /><p>
<span class="original">
Note that unlike most catalogs with a <quote>namespace</quote> column,
<structfield>extnamespace</structfield> is not meant to imply
that the extension belongs to that schema. Extension names are never
schema-qualified. Rather, <structfield>extnamespace</structfield>
indicates the schema that contains most or all of the extension's
objects. If <structfield>extrelocatable</structfield> is true, then
this schema must in fact contain all schema-qualifiable objects
belonging to the extension.
</span>
ほとんどの<span class="quote">「<span class="quote">名前空間</span>」</span>に関する列を持つカタログと異なり、<code class="structfield">extnamespace</code>は、拡張がそのスキーマに属することを意図したものではありません。
拡張の名前は決してスキーマで修飾されません。
<code class="structfield">extnamespace</code>は、拡張のオブジェクトのすべて、あるいは、ほとんどを含むスキーマを示します。
<code class="structfield">extrelocatable</code>がtrueの場合、このスキーマは拡張に属するすべてのスキーマ修飾可能なオブジェクトを含まなければなりません。
</p></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="catalog-pg-event-trigger.html" title="52.21. pg_event_trigger">前へ</a> </td><td width="20%" align="center"><a accesskey="u" href="catalogs.html" title="第52章 システムカタログ">上へ</a></td><td width="40%" align="right"> <a accesskey="n" href="catalog-pg-foreign-data-wrapper.html" title="52.23. pg_foreign_data_wrapper">次へ</a></td></tr><tr><td width="40%" align="left" valign="top">52.21. <code class="structname">pg_event_trigger</code> </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 18.3文書">ホーム</a></td><td width="40%" align="right" valign="top"> 52.23. <code class="structname">pg_foreign_data_wrapper</code></td></tr></table></div></body></html>