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+<!--
+doc/src/sgml/ref/drop_foreign_data_wrapper.sgml
+PostgreSQL documentation
+-->
+
+<refentry id="sql-dropforeigndatawrapper">
+ <indexterm zone="sql-dropforeigndatawrapper">
+  <primary>DROP FOREIGN DATA WRAPPER</primary>
+ </indexterm>
+
+ <refmeta>
+  <refentrytitle>DROP FOREIGN DATA WRAPPER</refentrytitle>
+  <manvolnum>7</manvolnum>
+  <refmiscinfo>SQL - Language Statements</refmiscinfo>
+ </refmeta>
+
+ <refnamediv>
+  <refname>DROP FOREIGN DATA WRAPPER</refname>
+  <refpurpose>remove a foreign-data wrapper</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+<synopsis>
+DROP FOREIGN DATA WRAPPER [ IF EXISTS ] <replaceable class="parameter">name</replaceable> [, ...] [ CASCADE | RESTRICT ]
+</synopsis>
+ </refsynopsisdiv>
+
+ <refsect1>
+  <title>Description</title>
+
+  <para>
+   <command>DROP FOREIGN DATA WRAPPER</command> removes an existing
+   foreign-data wrapper.  To execute this command, the current user
+   must be the owner of the foreign-data wrapper.
+  </para>
+ </refsect1>
+
+ <refsect1>
+  <title>Parameters</title>
+
+  <variablelist>
+   <varlistentry>
+    <term><literal>IF EXISTS</literal></term>
+    <listitem>
+     <para>
+      Do not throw an error if the foreign-data wrapper does not
+      exist.  A notice is issued in this case.
+     </para>
+    </listitem>
+   </varlistentry>
+
+   <varlistentry>
+    <term><replaceable class="parameter">name</replaceable></term>
+    <listitem>
+     <para>
+      The name of an existing foreign-data wrapper.
+     </para>
+    </listitem>
+   </varlistentry>
+
+   <varlistentry>
+    <term><literal>CASCADE</literal></term>
+    <listitem>
+     <para>
+      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 <xref linkend="ddl-depend"/>).
+     </para>
+    </listitem>
+   </varlistentry>
+
+   <varlistentry>
+    <term><literal>RESTRICT</literal></term>
+    <listitem>
+     <para>
+      Refuse to drop the foreign-data wrapper if any objects depend
+      on it.  This is the default.
+     </para>
+    </listitem>
+   </varlistentry>
+  </variablelist>
+ </refsect1>
+
+ <refsect1>
+  <title>Examples</title>
+
+  <para>
+   Drop the foreign-data wrapper <literal>dbi</literal>:
+<programlisting>
+DROP FOREIGN DATA WRAPPER dbi;
+</programlisting></para>
+ </refsect1>
+
+ <refsect1>
+  <title>Compatibility</title>
+
+  <para>
+   <command>DROP FOREIGN DATA WRAPPER</command> conforms to ISO/IEC
+   9075-9 (SQL/MED).  The <literal>IF EXISTS</literal> clause is
+   a <productname>PostgreSQL</productname> extension.
+  </para>
+ </refsect1>
+
+ <refsect1>
+  <title>See Also</title>
+
+  <simplelist type="inline">
+   <member><xref linkend="sql-createforeigndatawrapper"/></member>
+   <member><xref linkend="sql-alterforeigndatawrapper"/></member>
+  </simplelist>
+ </refsect1>
+
+</refentry>