<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/drop_server.sgml,v 1.3 2009/09/19 10:23:27 petere Exp $
PostgreSQL documentation
-->

<refentry id="SQL-DROPSERVER">
 <refmeta>
  <refentrytitle id="sql-dropserver-title">DROP SERVER</refentrytitle>
  <manvolnum>7</manvolnum>
  <refmiscinfo>SQL - Language Statements</refmiscinfo>
 </refmeta>

 <refnamediv>
  <refname>DROP SERVER</refname>
  <refpurpose>remove a foreign server descriptor</refpurpose>
 </refnamediv>

 <indexterm zone="sql-dropserver">
  <primary>DROP SERVER</primary>
 </indexterm>

 <refsynopsisdiv>
<synopsis>
DROP SERVER [ IF EXISTS ] <replaceable class="parameter">server_name</replaceable> [ CASCADE | RESTRICT ]
</synopsis>
 </refsynopsisdiv>

 <refsect1>
  <title>Description</title>

  <para>
   <command>DROP SERVER</command> removes an existing foreign server
   descriptor.  To execute this command, the current user must be the
   owner of the server.
  </para>
 </refsect1>

 <refsect1>
  <title>Parameters</title>

  <variablelist>
   <varlistentry>
    <term><literal>IF EXISTS</literal></term>
    <listitem>
     <para>
      Do not throw an error if the server does not exist.  A notice is
      issued in this case.
     </para>
    </listitem>
   </varlistentry>

   <varlistentry>
    <term><replaceable class="parameter">server_name</replaceable></term>
    <listitem>
     <para>
      The name of an existing server.
     </para>
    </listitem>
   </varlistentry>

   <varlistentry>
    <term><literal>CASCADE</literal></term>
    <listitem>
     <para>
      Automatically drop objects that depend on the server (such as
      user mappings).
     </para>
    </listitem>
   </varlistentry>

   <varlistentry>
    <term><literal>RESTRICT</literal></term>
    <listitem>
     <para>
      Refuse to drop the server if any objects depend on it.  This is
      the default.
     </para>
    </listitem>
   </varlistentry>
  </variablelist>
 </refsect1>

 <refsect1>
  <title>Examples</title>

  <para>
   Drop a server <literal>foo</> if it exists:
<programlisting>
DROP SERVER IF EXISTS foo;
</programlisting>
  </para>
 </refsect1>

 <refsect1>
  <title>Compatibility</title>

  <para>
   <command>DROP SERVER</command> conforms to ISO/IEC 9075-9
   (SQL/MED).  The <literal>IF EXISTS</> clause is
   a <productname>PostgreSQL</> extension.
  </para>
 </refsect1>

 <refsect1>
  <title>See Also</title>

  <simplelist type="inline">
   <member><xref linkend="sql-createserver" endterm="sql-createserver-title"></member>
   <member><xref linkend="sql-alterserver" endterm="sql-alterserver-title"></member>
  </simplelist>
 </refsect1>

</refentry>
