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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 OPERATOR FAMILY</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 OPERATOR CLASS" HREF="sql-dropopclass.html"><LINK REL="NEXT" TITLE="DROP OWNED" HREF="sql-drop-owned.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 OPERATOR CLASS" HREF="sql-dropopclass.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 OWNED" HREF="sql-drop-owned.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="SQL-DROPOPFAMILY" ></A >DROP OPERATOR FAMILY</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN74194" ></A ><H2 >Name</H2 >DROP OPERATOR FAMILY -- remove an operator family</DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN74199" ></A ><H2 >Synopsis</H2 ><PRE CLASS="SYNOPSIS" >DROP OPERATOR FAMILY [ IF EXISTS ] <TT CLASS="REPLACEABLE" ><I >name</I ></TT > USING <TT CLASS="REPLACEABLE" ><I >index_method</I ></TT > [ CASCADE | RESTRICT ]</PRE ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN74203" ></A ><H2 >Description</H2 ><P > <TT CLASS="COMMAND" >DROP OPERATOR FAMILY</TT > drops an existing operator family. To execute this command you must be the owner of the operator family. </P ><P > <TT CLASS="COMMAND" >DROP OPERATOR FAMILY</TT > includes dropping any operator classes contained in the family, but it does not drop any of the operators or functions referenced by the family. If there are any indexes depending on operator classes within the family, you will need to specify <TT CLASS="LITERAL" >CASCADE</TT > for the drop to complete. </P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN74210" ></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 operator family 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 (optionally schema-qualified) of an existing operator family. </P ></DD ><DT ><TT CLASS="REPLACEABLE" ><I >index_method</I ></TT ></DT ><DD ><P > The name of the index access method the operator family is for. </P ></DD ><DT ><TT CLASS="LITERAL" >CASCADE</TT ></DT ><DD ><P > Automatically drop objects that depend on the operator family. </P ></DD ><DT ><TT CLASS="LITERAL" >RESTRICT</TT ></DT ><DD ><P > Refuse to drop the operator family if any objects depend on it. This is the default. </P ></DD ></DL ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN74238" ></A ><H2 >Examples</H2 ><P > Remove the B-tree operator family <TT CLASS="LITERAL" >float_ops</TT >: </P><PRE CLASS="PROGRAMLISTING" >DROP OPERATOR FAMILY float_ops USING btree;</PRE ><P> This command will not succeed if there are any existing indexes that use operator classes within the family. Add <TT CLASS="LITERAL" >CASCADE</TT > to drop such indexes along with the operator family. </P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN74244" ></A ><H2 >Compatibility</H2 ><P > There is no <TT CLASS="COMMAND" >DROP OPERATOR FAMILY</TT > statement in the SQL standard. </P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN74248" ></A ><H2 >See Also</H2 ><A HREF="sql-alteropfamily.html" >ALTER OPERATOR FAMILY</A >, <A HREF="sql-createopfamily.html" >CREATE OPERATOR FAMILY</A >, <A HREF="sql-alteropclass.html" >ALTER OPERATOR CLASS</A >, <A HREF="sql-createopclass.html" >CREATE OPERATOR CLASS</A >, <A HREF="sql-dropopclass.html" >DROP OPERATOR CLASS</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-dropopclass.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-drop-owned.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >DROP OPERATOR CLASS</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 OWNED</TD ></TR ></TABLE ></DIV ></BODY ></HTML >