schema that contains the trigger
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>trigger_name</structfield> <type>sql_identifier</type>
      </para>
      <para>
       Name of the trigger
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>event_manipulation</structfield> <type>character_data</type>
      </para>
      <para>
       Event that fires the trigger (<literal>INSERT</literal>,
       <literal>UPDATE</literal>, or <literal>DELETE</literal>)
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>event_object_catalog</structfield> <type>sql_identifier</type>
      </para>
      <para>
       Name of the database that contains the table that the trigger
       is defined on (always the current database)
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>event_object_schema</structfield> <type>sql_identifier</type>
      </para>
      <para>
       Name of the schema that contains the table that the trigger is defined on
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>event_object_table</structfield> <type>sql_identifier</type>
      </para>
      <para>
       Name of the table that the trigger is defined on
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>action_order</structfield> <type>cardinal_number</type>
      </para>
      <para>
       Firing order among triggers on the same table having the same
       <literal>event_manipulation</literal>,
       <literal>action_timing</literal>, and
       <literal>action_orientation</literal>.  In
       <productname>PostgreSQL</productname>, triggers are fired in name
       order, so this column reflects that.
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>action_condition</structfield> <type>character_data</type>
      </para>
      <para>
       <literal>WHEN</literal> condition of the trigger, null if none
       (also null if the table is not owned by a currently enabled
       role)
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>action_statement</structfield> <type>character_data</type>
      </para>
      <para>
       Statement that is executed by the trigger (currently always
       <literal>EXECUTE FUNCTION
       <replaceable>function</replaceable>(...)</literal>)
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>action_orientation</structfield> <type>character_data</type>
      </para>
      <para>
       Identifies whether the trigger fires once for each processed
       row or once for each statement (<literal>ROW</literal> or
       <literal>STATEMENT</literal>)
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>action_timing</structfield> <type>character_data</type>
      </para>
      <para>
       Time at which the trigger fires (<literal>BEFORE</literal>,
       <literal>AFTER</literal>, or <literal>INSTEAD OF</literal>)
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>action_reference_old_table</structfield> <type>sql_identifier</type>
      </para>
      <para>
       Name of the <quote>old</quote> transition table, or null if none
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para