<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <HTML ><HEAD ><TITLE >DROP OPERATOR CLASS</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REV="MADE" HREF="mailto:pgsql-docs@postgresql.org"><LINK REL="HOME" TITLE="PostgreSQL 7.4.1 Documentation" HREF="index.html"><LINK REL="UP" TITLE="SQL Commands" HREF="sql-commands.html"><LINK REL="PREVIOUS" TITLE="DROP OPERATOR" HREF="sql-dropoperator.html"><LINK REL="NEXT" TITLE="DROP RULE" HREF="sql-droprule.html"><LINK REL="STYLESHEET" TYPE="text/css" HREF="stylesheet.css"><META NAME="creation" CONTENT="2003-12-22T03:48:47"></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" >PostgreSQL 7.4.1 Documentation</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="top" ><A HREF="sql-dropoperator.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="10%" ALIGN="left" VALIGN="top" ><A HREF="sql-dropoperator.html" >Fast Backward</A ></TD ><TD WIDTH="60%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="top" ><A HREF="sql-droprule.html" >Fast Forward</A ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="top" ><A HREF="sql-droprule.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="SQL-DROPOPCLASS" ></A >DROP OPERATOR CLASS</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN39878" ></A ><H2 >Name</H2 >DROP OPERATOR CLASS -- remove an operator class</DIV ><A NAME="AEN39881" ></A ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN39883" ></A ><H2 >Synopsis</H2 ><PRE CLASS="SYNOPSIS" >DROP OPERATOR CLASS <VAR CLASS="REPLACEABLE" >name</VAR > USING <VAR CLASS="REPLACEABLE" >index_method</VAR > [ CASCADE | RESTRICT ]</PRE ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN39887" ></A ><H2 >Description</H2 ><P > <TT CLASS="COMMAND" >DROP OPERATOR CLASS</TT > drops an existing operator class. To execute this command you must be the owner of the operator class. </P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN39891" ></A ><H2 >Parameters</H2 ><P ></P ><DIV CLASS="VARIABLELIST" ><DL ><DT ><VAR CLASS="REPLACEABLE" >name</VAR ></DT ><DD ><P > The name (optionally schema-qualified) of an existing operator class. </P ></DD ><DT ><VAR CLASS="REPLACEABLE" >index_method</VAR ></DT ><DD ><P > The name of the index access method the operator class is for. </P ></DD ><DT ><TT CLASS="LITERAL" >CASCADE</TT ></DT ><DD ><P > Automatically drop objects that depend on the operator class. </P ></DD ><DT ><TT CLASS="LITERAL" >RESTRICT</TT ></DT ><DD ><P > Refuse to drop the operator class if any objects depend on it. This is the default. </P ></DD ></DL ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN39914" ></A ><H2 >Examples</H2 ><P > Remove the B-tree operator class <TT CLASS="LITERAL" >widget_ops</TT >: </P><PRE CLASS="PROGRAMLISTING" >DROP OPERATOR CLASS widget_ops USING btree;</PRE ><P> This command will not succeed if there are any existing indexes that use the operator class. Add <TT CLASS="LITERAL" >CASCADE</TT > to drop such indexes along with the operator class. </P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN39920" ></A ><H2 >Compatibility</H2 ><P > There is no <TT CLASS="COMMAND" >DROP OPERATOR CLASS</TT > statement in the SQL standard. </P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN39924" ></A ><H2 >See Also</H2 ><A HREF="sql-alteropclass.html" ><I >ALTER OPERATOR CLASS</I ></A >, <A HREF="sql-createopclass.html" ><I >CREATE OPERATOR CLASS</I ></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-dropoperator.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-droprule.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >DROP OPERATOR</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 RULE</TD ></TR ></TABLE ></DIV ></BODY ></HTML >