alter_command_trigger.sgml

<!--
doc/src/sgml/ref/alter_trigger.sgml
PostgreSQL documentation
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<refentry id="SQL-ALTERCOMMANDTRIGGER">
 <refmeta>
  <refentrytitle>ALTER COMMAND TRIGGER</refentrytitle>
  <manvolnum>7</manvolnum>
  <refmiscinfo>SQL - Language Statements</refmiscinfo>
 </refmeta>

 <refnamediv>
  <refname>ALTER COMMAND TRIGGER</refname>
  <refpurpose>change the definition of a trigger</refpurpose>
 </refnamediv>

 <indexterm zone="sql-altercommandtrigger">
  <primary>ALTER COMMAND TRIGGER</primary>
 </indexterm>

 <refsynopsisdiv>
<synopsis>
ALTER COMMAND TRIGGER <replaceable class="PARAMETER">name</replaceable> ON <replaceable class="PARAMETER">command</replaceable> SET <replaceable class="parameter">enabled</replaceable>

<phrase>where <replaceable class="parameter">enabled</replaceable> can be one of:</phrase>

    ENABLE
    ENABLE ALWAYS
    ENABLE REPLICA
    DISABLE

</synopsis>
 </refsynopsisdiv>

 <refsect1>
  <title>Description</title>

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

  <para>
   You must be superuser to alter a command 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">command</replaceable></term>
    <listitem>
     <para>
      The command tag on which this trigger acts.
     </para>
    </listitem>
   </varlistentry>

   <varlistentry>
    <term><replaceable class="PARAMETER">enabled</replaceable></term>
    <listitem>
     <para>
      When to enable this trigger. See
      the <literal>session_replication_role</literal> parameter.
     </para>
    </listitem>
   </varlistentry>
  </variablelist>
 </refsect1>

 <refsect1>
  <title>Compatibility</title>

  <para>
   <command>ALTER COMMAND TRIGGER</command> is a <productname>PostgreSQL</>
   extension of the SQL standard.
  </para>
 </refsect1>

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

  <simplelist type="inline">
   <member><xref linkend="sql-createcommandtrigger"></member>
   <member><xref linkend="sql-dropcommandtrigger"></member>
  </simplelist>
 </refsect1>
</refentry>