<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >ALTER TRIGGER</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 8.0.11 Documentation" HREF="index.html"><LINK REL="UP" TITLE="SQL Commands" HREF="sql-commands.html"><LINK REL="PREVIOUS" TITLE="ALTER TABLESPACE" HREF="sql-altertablespace.html"><LINK REL="NEXT" TITLE="ALTER TYPE" HREF="sql-altertype.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="2007-02-02T03:57:22"></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 8.0.11 Documentation</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="top" ><A HREF="sql-altertablespace.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="10%" ALIGN="left" VALIGN="top" ><A HREF="sql-altertablespace.html" >Fast Backward</A ></TD ><TD WIDTH="60%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="top" ><A HREF="sql-altertype.html" >Fast Forward</A ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="top" ><A HREF="sql-altertype.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="SQL-ALTERTRIGGER" ></A >ALTER TRIGGER</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN37493" ></A ><H2 >Name</H2 >ALTER TRIGGER -- change the definition of a trigger</DIV ><A NAME="AEN37496" ></A ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN37498" ></A ><H2 >Synopsis</H2 ><PRE CLASS="SYNOPSIS" >ALTER TRIGGER <TT CLASS="REPLACEABLE" ><I >name</I ></TT > ON <TT CLASS="REPLACEABLE" ><I >table</I ></TT > RENAME TO <TT CLASS="REPLACEABLE" ><I >newname</I ></TT ></PRE ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN37503" ></A ><H2 >Description</H2 ><P > <TT CLASS="COMMAND" >ALTER TRIGGER</TT > changes properties of an existing trigger. The <TT CLASS="LITERAL" >RENAME</TT > clause changes the name of the given trigger without otherwise changing the trigger definition. </P ><P > You must own the table on which the trigger acts to be allowed to change its properties. </P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN37509" ></A ><H2 >Parameters</H2 ><P ></P ><DIV CLASS="VARIABLELIST" ><DL ><DT ><TT CLASS="REPLACEABLE" ><I >name</I ></TT ></DT ><DD ><P > The name of an existing trigger to alter. </P ></DD ><DT ><TT CLASS="REPLACEABLE" ><I >table</I ></TT ></DT ><DD ><P > The name of the table on which this trigger acts. </P ></DD ><DT ><TT CLASS="REPLACEABLE" ><I >newname</I ></TT ></DT ><DD ><P > The new name for the trigger. </P ></DD ></DL ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN37527" ></A ><H2 >Examples</H2 ><P > To rename an existing trigger: </P><PRE CLASS="PROGRAMLISTING" >ALTER TRIGGER emp_stamp ON emp RENAME TO emp_track_chgs;</PRE ><P> </P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN37531" ></A ><H2 >Compatibility</H2 ><P > <TT CLASS="COMMAND" >ALTER TRIGGER</TT > is a <SPAN CLASS="PRODUCTNAME" >PostgreSQL</SPAN > extension of the SQL standard. </P ></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-altertablespace.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-altertype.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >ALTER TABLESPACE</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" >ALTER TYPE</TD ></TR ></TABLE ></DIV ></BODY ></HTML >