postgresql/doc/src/sgml/ref/drop_trigger.sgml

<REFENTRY ID="SQL-DROPTRIGGER">
 <REFMETA>
  <REFENTRYTITLE>
   DROP TRIGGER
  </REFENTRYTITLE>
  <REFMISCINFO>SQL - Language Statements</REFMISCINFO>
 </REFMETA>
 <REFNAMEDIV>
  <REFNAME>
   DROP TRIGGER
  </REFNAME>
  <REFPURPOSE>
   Removes the definition of a trigger
  </REFPURPOSE>             
 <REFSYNOPSISDIV>
  <REFSYNOPSISDIVINFO>
   <DATE>1998-09-22</DATE>
  </REFSYNOPSISDIVINFO>
  <SYNOPSIS>
DROP TRIGGER <REPLACEABLE CLASS="PARAMETER">name</REPLACEABLE> ON <REPLACEABLE CLASS="PARAMETER">table</REPLACEABLE>
  </SYNOPSIS>
  
  <REFSECT2 ID="R2-SQL-DROPTRIGGER-1">
   <REFSECT2INFO>
    <DATE>1998-09-22</DATE>
   </REFSECT2INFO>
   <TITLE>
    Inputs
   </TITLE>
   <PARA>
   </PARA>
       <VARIABLELIST>
	<VARLISTENTRY>
	 <TERM>
	  <REPLACEABLE CLASS="PARAMETER">name</REPLACEABLE>
	 </TERM>
	 <LISTITEM>
	  <PARA>
   The name of an existing trigger.
	  </PARA>
	 </LISTITEM>
	</VARLISTENTRY>
	<VARLISTENTRY>
	 <TERM>
	  <REPLACEABLE CLASS="PARAMETER">table</REPLACEABLE>
	 </TERM>
	 <LISTITEM>
	  <PARA>
          The name of a table.
	  </PARA>
	 </LISTITEM>
	</VARLISTENTRY>
       </variablelist>
  </REFSECT2>
  
  <REFSECT2 ID="R2-SQL-DROPTRIGGER-2">
   <REFSECT2INFO>
    <DATE>1998-09-22</DATE>
   </REFSECT2INFO>
   <TITLE>
    Outputs
   </TITLE>
   <PARA>

<VARIABLELIST>
	<VARLISTENTRY>
	 <TERM>
	  <ReturnValue>DROP</ReturnValue>
	 </TERM>
	 <LISTITEM>
	  <PARA>
	   The message returned if the trigger is successfully dropped.
	  </PARA>
	 </LISTITEM>
	</VARLISTENTRY>
	<VARLISTENTRY>
	 <TERM>
	  <ReturnValue>ERROR: DropTrigger: there is no trigger <REPLACEABLE CLASS="PARAMETER">name</REPLACEABLE> on relation "<replaceable class="parameter">table</replaceable>"</ReturnValue>
	 </TERM>
	 <LISTITEM>
	  <PARA>
          This message occurs if the trigger specified does not exist.

</VARIABLELIST>
   
  </REFSECT2>
 </REFSYNOPSISDIV>
 
 <REFSECT1 ID="R1-SQL-DROPTRIGGER-1">
  <REFSECT1INFO>
   <DATE>1998-09-22</DATE>
  </REFSECT1INFO>
  <TITLE>
   Description
  </TITLE>
  <PARA>
   <command>DROP TRIGGER</command> will remove all references to an existing
   trigger definition. To execute this command the current
   user must be the owner of the trigger.
  </PARA>
  
  <REFSECT2 ID="R2-SQL-DROPTRIGGER-3">
   <REFSECT2INFO>
    <DATE>1998-09-22</DATE>
   </REFSECT2INFO>
   <TITLE>
    Notes
   </TITLE>
   <PARA>
    <command>DROP TRIGGER</command> is a <productname>Postgres</productname>
    language extension.
   </PARA>
   <PARA>
    Refer to <command>CREATE TRIGGER</command> for
    information on how to create triggers.
   </PARA>
  </REFSECT2>
  
 <REFSECT1 ID="R1-SQL-DROPTRIGGER-2">
  <TITLE>
   Usage
  </TITLE>
  <PARA>
   Destroy the <literal>if_dist_exists</literal> trigger
 on table <literal>films</literal>:
  </PARA>
  <ProgramListing>
DROP TRIGGER if_dist_exists ON films;
  </ProgramListing>
 </REFSECT1>
 
 <REFSECT1 ID="R1-SQL-DROPTRIGGER-3">
  <TITLE>
   Compatibility
  </TITLE>
  <PARA>
  </PARA>
  
  <REFSECT2 ID="R2-SQL-DROPTRIGGER-4">
   <REFSECT2INFO>
    <DATE>1998-09-22</DATE>
   </REFSECT2INFO>
   <TITLE>
    SQL92
   </TITLE>
   <PARA>
    There is no <command>DROP TRIGGER</command> statement in
 <acronym>SQL92</acronym>.
   </PARA>
  </refsect2>
 </refsect1>
</REFENTRY>

<!--
<REPLACEABLE CLASS="PARAMETER">
</REPLACEABLE>
<ReturnValue></ReturnValue>
<PARA>
</PARA>
<VARIABLELIST>
<VARLISTENTRY>
<TERM>&bull;
</TERM>
<LISTITEM>
<PARA>
</PARA>
</LISTITEM>
</VARLISTENTRY>
</VARIABLELIST>
<PARA>
</PARA>
-->

<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
sgml-parent-document:nil
sgml-default-dtd-file:"../reference.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:"/usr/lib/sgml/catalog"
sgml-local-ecat-files:nil
End:
-->