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| $PostgreSQL: pgsql/doc/src/sgml/ref/drop_language.sgml,v 1.23 2006/09/16 00:30:18 momjian Exp $ |
| PostgreSQL documentation |
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| |
| <refentry id="SQL-DROPLANGUAGE"> |
| <refmeta> |
| <refentrytitle id="SQL-DROPLANGUAGE-TITLE">DROP LANGUAGE</refentrytitle> |
| <refmiscinfo>SQL - Language Statements</refmiscinfo> |
| </refmeta> |
| |
| <refnamediv> |
| <refname>DROP LANGUAGE</refname> |
| <refpurpose>remove a procedural language</refpurpose> |
| </refnamediv> |
| |
| <indexterm zone="sql-droplanguage"> |
| <primary>DROP LANGUAGE</primary> |
| </indexterm> |
| |
| <refsynopsisdiv> |
| <synopsis> |
| DROP [ PROCEDURAL ] LANGUAGE [ IF EXISTS ] <replaceable class="PARAMETER">name</replaceable> [ CASCADE | RESTRICT ] |
| </synopsis> |
| </refsynopsisdiv> |
| |
| <refsect1> |
| <title>Description</title> |
| |
| <para> |
| <command>DROP LANGUAGE</command> will remove the definition |
| of the previously registered procedural language called |
| <replaceable class="parameter">name</replaceable>. |
| </para> |
| </refsect1> |
| |
| <refsect1> |
| <title>Parameters</title> |
| |
| <variablelist> |
| |
| <varlistentry> |
| <term><literal>IF EXISTS</literal></term> |
| <listitem> |
| <para> |
| Do not throw an error if the function 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 procedural language. For backward |
| compatibility, the name may be enclosed by single quotes. |
| </para> |
| </listitem> |
| </varlistentry> |
| |
| <varlistentry> |
| <term><literal>CASCADE</literal></term> |
| <listitem> |
| <para> |
| Automatically drop objects that depend on the language (such as |
| functions in the language). |
| </para> |
| </listitem> |
| </varlistentry> |
| |
| <varlistentry> |
| <term><literal>RESTRICT</literal></term> |
| <listitem> |
| <para> |
| Refuse to drop the language if any objects depend on it. This |
| is the default. |
| </para> |
| </listitem> |
| </varlistentry> |
| </variablelist> |
| </refsect1> |
| |
| <refsect1> |
| <title>Examples</title> |
| |
| <para> |
| This command removes the procedural language |
| <literal>plsample</literal>: |
| |
| <programlisting> |
| DROP LANGUAGE plsample; |
| </programlisting> |
| </para> |
| </refsect1> |
| |
| <refsect1> |
| <title>Compatibility</title> |
| |
| <para> |
| There is no <command>DROP LANGUAGE</command> statement in the SQL |
| standard. |
| </para> |
| </refsect1> |
| |
| <refsect1> |
| <title>See Also</title> |
| |
| <simplelist type="inline"> |
| <member><xref linkend="sql-alterlanguage" endterm="sql-alterlanguage-title"></member> |
| <member><xref linkend="sql-createlanguage" endterm="sql-createlanguage-title"></member> |
| <member><xref linkend="app-droplang"></member> |
| </simplelist> |
| </refsect1> |
| |
| </refentry> |