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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 13:44:03 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 13:44:03 +0000 |
| commit | 293913568e6a7a86fd1479e1cff8e2ecb58d6568 (patch) | |
| tree | fc3b469a3ec5ab71b36ea97cc7aaddb838423a0c /doc/src/sgml/html/sql-dropextension.html | |
| parent | Initial commit. (diff) | |
| download | postgresql-16-293913568e6a7a86fd1479e1cff8e2ecb58d6568.tar.xz postgresql-16-293913568e6a7a86fd1479e1cff8e2ecb58d6568.zip | |
Adding upstream version 16.2.upstream/16.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'doc/src/sgml/html/sql-dropextension.html')
| -rw-r--r-- | doc/src/sgml/html/sql-dropextension.html | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/doc/src/sgml/html/sql-dropextension.html b/doc/src/sgml/html/sql-dropextension.html new file mode 100644 index 0000000..ced40a4 --- /dev/null +++ b/doc/src/sgml/html/sql-dropextension.html @@ -0,0 +1,38 @@ +<?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>DROP 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="sql-dropeventtrigger.html" title="DROP EVENT TRIGGER" /><link rel="next" href="sql-dropforeigndatawrapper.html" title="DROP FOREIGN DATA WRAPPER" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">DROP EXTENSION</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="sql-dropeventtrigger.html" title="DROP EVENT TRIGGER">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="sql-commands.html" title="SQL Commands">Up</a></td><th width="60%" align="center">SQL Commands</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 16.2 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="sql-dropforeigndatawrapper.html" title="DROP FOREIGN DATA WRAPPER">Next</a></td></tr></table><hr /></div><div class="refentry" id="SQL-DROPEXTENSION"><div class="titlepage"></div><a id="id-1.9.3.111.1" class="indexterm"></a><div class="refnamediv"><h2><span class="refentrytitle">DROP EXTENSION</span></h2><p>DROP EXTENSION — remove an extension</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis"> +DROP EXTENSION [ IF EXISTS ] <em class="replaceable"><code>name</code></em> [, ...] [ CASCADE | RESTRICT ] +</pre></div><div class="refsect1" id="id-1.9.3.111.5"><h2>Description</h2><p> + <code class="command">DROP EXTENSION</code> removes extensions from the database. + Dropping an extension causes its member objects, and other explicitly + dependent routines (see <a class="xref" href="sql-alterroutine.html" title="ALTER ROUTINE"><span class="refentrytitle">ALTER ROUTINE</span></a>, + the <code class="literal">DEPENDS ON EXTENSION <em class="replaceable"><code>extension_name</code></em> + </code> action), to be dropped as well. + </p><p> + You must own the extension to use <code class="command">DROP EXTENSION</code>. + </p></div><div class="refsect1" id="id-1.9.3.111.6"><h2>Parameters</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><code class="literal">IF EXISTS</code></span></dt><dd><p> + Do not throw an error if the extension does not exist. A notice is issued + in this case. + </p></dd><dt><span class="term"><em class="replaceable"><code>name</code></em></span></dt><dd><p> + The name of an installed extension. + </p></dd><dt><span class="term"><code class="literal">CASCADE</code></span></dt><dd><p> + Automatically drop objects that depend on the extension, + and in turn all objects that depend on those objects + (see <a class="xref" href="ddl-depend.html" title="5.14. Dependency Tracking">Section 5.14</a>). + </p></dd><dt><span class="term"><code class="literal">RESTRICT</code></span></dt><dd><p> + This option prevents the specified extensions from being dropped if + other objects, besides these extensions, their members, and their + explicitly dependent routines, depend on them. This is the default. + </p></dd></dl></div></div><div class="refsect1" id="id-1.9.3.111.7"><h2>Examples</h2><p> + To remove the extension <code class="literal">hstore</code> from the current + database: +</p><pre class="programlisting"> +DROP EXTENSION hstore; +</pre><p> + This command will fail if any of <code class="literal">hstore</code>'s objects + are in use in the database, for example if any tables have columns + of the <code class="type">hstore</code> type. Add the <code class="literal">CASCADE</code> option to + forcibly remove those dependent objects as well. + </p></div><div class="refsect1" id="id-1.9.3.111.8"><h2>Compatibility</h2><p> + <code class="command">DROP EXTENSION</code> is a <span class="productname">PostgreSQL</span> + extension. + </p></div><div class="refsect1" id="id-1.9.3.111.9"><h2>See Also</h2><span class="simplelist"><a class="xref" href="sql-createextension.html" title="CREATE EXTENSION"><span class="refentrytitle">CREATE EXTENSION</span></a>, <a class="xref" href="sql-alterextension.html" title="ALTER EXTENSION"><span class="refentrytitle">ALTER EXTENSION</span></a></span></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="sql-dropeventtrigger.html" title="DROP EVENT TRIGGER">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="sql-commands.html" title="SQL Commands">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="sql-dropforeigndatawrapper.html" title="DROP FOREIGN DATA WRAPPER">Next</a></td></tr><tr><td width="40%" align="left" valign="top">DROP EVENT TRIGGER </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 16.2 Documentation">Home</a></td><td width="40%" align="right" valign="top"> DROP FOREIGN DATA WRAPPER</td></tr></table></div></body></html>
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