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118 lines
2.7 KiB
Plaintext
118 lines
2.7 KiB
Plaintext
<!--
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$PostgreSQL: pgsql/doc/src/sgml/ref/drop_language.sgml,v 1.27 2008/11/14 10:22:46 petere Exp $
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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>
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