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<!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 FOREIGN DATA WRAPPER</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-dropextension.html" title="DROP EXTENSION" /><link rel="next" href="sql-dropforeigntable.html" title="DROP FOREIGN TABLE" /></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 FOREIGN DATA WRAPPER</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="sql-dropextension.html" title="DROP EXTENSION">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 15.5 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="sql-dropforeigntable.html" title="DROP FOREIGN TABLE">Next</a></td></tr></table><hr /></div><div class="refentry" id="SQL-DROPFOREIGNDATAWRAPPER"><div class="titlepage"></div><a id="id-1.9.3.112.1" class="indexterm"></a><div class="refnamediv"><h2><span class="refentrytitle">DROP FOREIGN DATA WRAPPER</span></h2><p>DROP FOREIGN DATA WRAPPER — remove a foreign-data wrapper</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">
DROP FOREIGN DATA WRAPPER [ IF EXISTS ] <em class="replaceable"><code>name</code></em> [, ...] [ CASCADE | RESTRICT ]
</pre></div><div class="refsect1" id="id-1.9.3.112.5"><h2>Description</h2><p>
<code class="command">DROP FOREIGN DATA WRAPPER</code> removes an existing
foreign-data wrapper. To execute this command, the current user
must be the owner of the foreign-data wrapper.
</p></div><div class="refsect1" id="id-1.9.3.112.6"><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 foreign-data wrapper 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 existing foreign-data wrapper.
</p></dd><dt><span class="term"><code class="literal">CASCADE</code></span></dt><dd><p>
Automatically drop objects that depend on the foreign-data
wrapper (such as foreign tables and servers),
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>
Refuse to drop the foreign-data wrapper if any objects depend
on it. This is the default.
</p></dd></dl></div></div><div class="refsect1" id="id-1.9.3.112.7"><h2>Examples</h2><p>
Drop the foreign-data wrapper <code class="literal">dbi</code>:
</p><pre class="programlisting">
DROP FOREIGN DATA WRAPPER dbi;
</pre></div><div class="refsect1" id="id-1.9.3.112.8"><h2>Compatibility</h2><p>
<code class="command">DROP FOREIGN DATA WRAPPER</code> conforms to ISO/IEC
9075-9 (SQL/MED). The <code class="literal">IF EXISTS</code> clause is
a <span class="productname">PostgreSQL</span> extension.
</p></div><div class="refsect1" id="id-1.9.3.112.9"><h2>See Also</h2><span class="simplelist"><a class="xref" href="sql-createforeigndatawrapper.html" title="CREATE FOREIGN DATA WRAPPER"><span class="refentrytitle">CREATE FOREIGN DATA WRAPPER</span></a>, <a class="xref" href="sql-alterforeigndatawrapper.html" title="ALTER FOREIGN DATA WRAPPER"><span class="refentrytitle">ALTER FOREIGN DATA WRAPPER</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-dropextension.html" title="DROP EXTENSION">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-dropforeigntable.html" title="DROP FOREIGN TABLE">Next</a></td></tr><tr><td width="40%" align="left" valign="top">DROP EXTENSION </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 15.5 Documentation">Home</a></td><td width="40%" align="right" valign="top"> DROP FOREIGN TABLE</td></tr></table></div></body></html>
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