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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >DROP LANGUAGE</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REV="MADE" HREF="mailto:pgsql-docs@postgresql.org"><LINK REL="HOME" TITLE="PostgreSQL 9.2.24 Documentation" HREF="index.html"><LINK REL="UP" TITLE="SQL Commands" HREF="sql-commands.html"><LINK REL="PREVIOUS" TITLE="DROP INDEX" HREF="sql-dropindex.html"><LINK REL="NEXT" TITLE="DROP OPERATOR" HREF="sql-dropoperator.html"><LINK REL="STYLESHEET" TYPE="text/css" HREF="stylesheet.css"><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=ISO-8859-1"><META NAME="creation" CONTENT="2017-11-06T22:43:11"></HEAD ><BODY CLASS="REFENTRY" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="5" ALIGN="center" VALIGN="bottom" ><A HREF="index.html" >PostgreSQL 9.2.24 Documentation</A ></TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="top" ><A TITLE="DROP INDEX" HREF="sql-dropindex.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="10%" ALIGN="left" VALIGN="top" ><A HREF="sql-commands.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="60%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="20%" ALIGN="right" VALIGN="top" ><A TITLE="DROP OPERATOR" HREF="sql-dropoperator.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="SQL-DROPLANGUAGE" ></A >DROP LANGUAGE</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN73975" ></A ><H2 >Name</H2 >DROP LANGUAGE -- remove a procedural language</DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN73980" ></A ><H2 >Synopsis</H2 ><PRE CLASS="SYNOPSIS" >DROP [ PROCEDURAL ] LANGUAGE [ IF EXISTS ] <TT CLASS="REPLACEABLE" ><I >name</I ></TT > [ CASCADE | RESTRICT ]</PRE ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN73983" ></A ><H2 >Description</H2 ><P > <TT CLASS="COMMAND" >DROP LANGUAGE</TT > removes the definition of a previously registered procedural language. You must be a superuser or the owner of the language to use <TT CLASS="COMMAND" >DROP LANGUAGE</TT >. </P ><DIV CLASS="NOTE" ><BLOCKQUOTE CLASS="NOTE" ><P ><B >Note: </B > As of <SPAN CLASS="PRODUCTNAME" >PostgreSQL</SPAN > 9.1, most procedural languages have been made into <SPAN CLASS="QUOTE" >"extensions"</SPAN >, and should therefore be removed with <A HREF="sql-dropextension.html" >DROP EXTENSION</A > not <TT CLASS="COMMAND" >DROP LANGUAGE</TT >. </P ></BLOCKQUOTE ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN73994" ></A ><H2 >Parameters</H2 ><P ></P ><DIV CLASS="VARIABLELIST" ><DL ><DT ><TT CLASS="LITERAL" >IF EXISTS</TT ></DT ><DD ><P > Do not throw an error if the language does not exist. A notice is issued in this case. </P ></DD ><DT ><TT CLASS="REPLACEABLE" ><I >name</I ></TT ></DT ><DD ><P > The name of an existing procedural language. For backward compatibility, the name can be enclosed by single quotes. </P ></DD ><DT ><TT CLASS="LITERAL" >CASCADE</TT ></DT ><DD ><P > Automatically drop objects that depend on the language (such as functions in the language). </P ></DD ><DT ><TT CLASS="LITERAL" >RESTRICT</TT ></DT ><DD ><P > Refuse to drop the language if any objects depend on it. This is the default. </P ></DD ></DL ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN74017" ></A ><H2 >Examples</H2 ><P > This command removes the procedural language <TT CLASS="LITERAL" >plsample</TT >: </P><PRE CLASS="PROGRAMLISTING" >DROP LANGUAGE plsample;</PRE ><P></P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN74022" ></A ><H2 >Compatibility</H2 ><P > There is no <TT CLASS="COMMAND" >DROP LANGUAGE</TT > statement in the SQL standard. </P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN74026" ></A ><H2 >See Also</H2 ><A HREF="sql-alterlanguage.html" >ALTER LANGUAGE</A >, <A HREF="sql-createlanguage.html" >CREATE LANGUAGE</A >, <A HREF="app-droplang.html" ><SPAN CLASS="APPLICATION" >droplang</SPAN ></A ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="sql-dropindex.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="sql-dropoperator.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >DROP INDEX</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="sql-commands.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >DROP OPERATOR</TD ></TR ></TABLE ></DIV ></BODY ></HTML >