<!--
doc/src/sgml/ref/alter_event_trigger.sgml
PostgreSQL documentation
-->

<refentry id="sql-altereventtrigger">
 <indexterm zone="sql-altereventtrigger">
  <primary>ALTER EVENT TRIGGER</primary>
 </indexterm>

 <refmeta>
  <refentrytitle>ALTER EVENT TRIGGER</refentrytitle>
  <manvolnum>7</manvolnum>
  <refmiscinfo>SQL - Language Statements</refmiscinfo>
 </refmeta>

 <refnamediv>
  <refname>ALTER EVENT TRIGGER</refname>
  <refpurpose>change the definition of an event trigger</refpurpose>
 </refnamediv>

 <refsynopsisdiv>
<synopsis>
ALTER EVENT TRIGGER <replaceable class="parameter">name</replaceable> DISABLE
ALTER EVENT TRIGGER <replaceable class="parameter">name</replaceable> ENABLE [ REPLICA | ALWAYS ]
ALTER EVENT TRIGGER <replaceable class="parameter">name</replaceable> OWNER TO { <replaceable class="parameter">new_owner</replaceable> | CURRENT_ROLE | CURRENT_USER | SESSION_USER }
ALTER EVENT TRIGGER <replaceable class="parameter">name</replaceable> RENAME TO <replaceable class="parameter">new_name</replaceable>
</synopsis>
 </refsynopsisdiv>

 <refsect1>
  <title>Description</title>

  <para>
   <command>ALTER EVENT TRIGGER</command> changes properties of an
   existing event trigger.
  </para>

  <para>
   You must be superuser to alter an event trigger.
  </para>
 </refsect1>

 <refsect1>
  <title>Parameters</title>

  <variablelist>
   <varlistentry>
    <term><replaceable class="parameter">name</replaceable></term>
    <listitem>
     <para>
      The name of an existing trigger to alter.
     </para>
    </listitem>
   </varlistentry>

   <varlistentry>
    <term><replaceable class="parameter">new_owner</replaceable></term>
    <listitem>
     <para>
      The user name of the new owner of the event trigger.
     </para>
    </listitem>
   </varlistentry>

   <varlistentry>
    <term><replaceable class="parameter">new_name</replaceable></term>
    <listitem>
     <para>
      The new name of the event trigger.
     </para>
    </listitem>
   </varlistentry>

   <varlistentry>
    <term><literal>DISABLE</literal>/<literal>ENABLE [ REPLICA | ALWAYS ]</literal></term>
    <listitem>
     <para>
      These forms configure the firing of event triggers.  A disabled trigger
      is still known to the system, but is not executed when its triggering
      event occurs.  See also <xref linkend="guc-session-replication-role"/>.
     </para>
    </listitem>
   </varlistentry>
  </variablelist>
 </refsect1>

 <refsect1 id="sql-alterventtrigger-compatibility">
  <title>Compatibility</title>

  <para>
   There is no <command>ALTER EVENT TRIGGER</command> statement in the
   SQL standard.
  </para>
 </refsect1>

 <refsect1>
  <title>See Also</title>

  <simplelist type="inline">
   <member><xref linkend="sql-createeventtrigger"/></member>
   <member><xref linkend="sql-dropeventtrigger"/></member>
  </simplelist>
 </refsect1>
</refentry>