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  • Committer: Bazaar Package Importer
  • Author(s): Martin Pitt
  • Date: 2009-03-20 12:00:13 UTC
  • Revision ID: james.westby@ubuntu.com-20090320120013-hogj7egc5mjncc5g
Tags: upstream-8.4~0cvs20090328
Import upstream version 8.4~0cvs20090328

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doc/src/sgml/ref/drop_language.sgml
 
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<!--
 
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$PostgreSQL$
 
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PostgreSQL documentation
 
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-->
 
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<refentry id="SQL-DROPLANGUAGE">
 
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 <refmeta>
 
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  <refentrytitle id="SQL-DROPLANGUAGE-TITLE">DROP LANGUAGE</refentrytitle>
 
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  <manvolnum>7</manvolnum>
 
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  <refmiscinfo>SQL - Language Statements</refmiscinfo>
 
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 </refmeta>
 
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 <refnamediv>
 
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  <refname>DROP LANGUAGE</refname>
 
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  <refpurpose>remove a procedural language</refpurpose>
 
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 </refnamediv>
 
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 <indexterm zone="sql-droplanguage">
 
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  <primary>DROP LANGUAGE</primary>
 
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 </indexterm>
 
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 <refsynopsisdiv>
 
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<synopsis>
 
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DROP [ PROCEDURAL ] LANGUAGE [ IF EXISTS ] <replaceable class="PARAMETER">name</replaceable> [ CASCADE | RESTRICT ]
 
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</synopsis>
 
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 </refsynopsisdiv>
 
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 <refsect1>
 
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  <title>Description</title>
 
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  <para>
 
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   <command>DROP LANGUAGE</command> removes the definition of a
 
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   previously registered procedural language.  You must be a superuser
 
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   or the owner of the language to use <command>DROP LANGUAGE</>.
 
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  </para>
 
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 </refsect1>
 
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 <refsect1>
 
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  <title>Parameters</title>
 
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  <variablelist>
 
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   <varlistentry>
 
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    <term><literal>IF EXISTS</literal></term>
 
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    <listitem>
 
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     <para>
 
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      Do not throw an error if the language does not exist. A notice is issued 
 
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      in this case.
 
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     </para>
 
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    </listitem>
 
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   </varlistentry>
 
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   <varlistentry>
 
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    <term><replaceable class="PARAMETER">name</replaceable></term>
 
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    <listitem>
 
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     <para>
 
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      The name of an existing procedural language.  For backward
 
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      compatibility, the name can be enclosed by single quotes.
 
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     </para>
 
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    </listitem>
 
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   </varlistentry>
 
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   <varlistentry>
 
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    <term><literal>CASCADE</literal></term>
 
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    <listitem>
 
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     <para>
 
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      Automatically drop objects that depend on the language (such as
 
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      functions in the language).
 
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     </para>
 
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    </listitem>
 
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   </varlistentry>
 
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   <varlistentry>
 
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    <term><literal>RESTRICT</literal></term>
 
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    <listitem>
 
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     <para>
 
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      Refuse to drop the language if any objects depend on it.  This
 
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      is the default.
 
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     </para>
 
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    </listitem>
 
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   </varlistentry>
 
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  </variablelist>
 
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 </refsect1>
 
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 <refsect1>
 
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  <title>Examples</title>
 
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  <para>
 
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   This command removes the procedural language
 
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   <literal>plsample</literal>:
 
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<programlisting>
 
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DROP LANGUAGE plsample;
 
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</programlisting>
 
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  </para>
 
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 </refsect1>
 
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 <refsect1>
 
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  <title>Compatibility</title>
 
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  <para>
 
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   There is no <command>DROP LANGUAGE</command> statement in the SQL
 
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   standard.
 
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  </para>
 
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 </refsect1>
 
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 <refsect1>
 
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  <title>See Also</title>
 
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  <simplelist type="inline">
 
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   <member><xref linkend="sql-alterlanguage" endterm="sql-alterlanguage-title"></member>
 
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   <member><xref linkend="sql-createlanguage" endterm="sql-createlanguage-title"></member>
 
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   <member><xref linkend="app-droplang"></member>
 
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  </simplelist>
 
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 </refsect1>
 
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</refentry>