mand.
           </P
></DD
><DT
><TT
CLASS="LITERAL"
>TRIGGER_FIRED_BY_TRUNCATE(tg_event)</TT
></DT
><DD
><P
>            Returns true if the trigger was fired by a <TT
CLASS="COMMAND"
>TRUNCATE</TT
> command.
           </P
></DD
></DL
></DIV
><P>
       </P
></DD
><DT
><TT
CLASS="STRUCTFIELD"
>tg_relation</TT
></DT
><DD
><P
>        A pointer to a structure describing the relation that the trigger fired for.
        Look at <TT
CLASS="FILENAME"
>utils/rel.h</TT
> for details about
        this structure. 