ble to
       the invoked trigger function.
      </P
></LI
></UL
><P>
   </P
><P
>    If your trigger function is written in any of the standard procedural
    languages, then the above statements apply only if the function is
    declared <TT
CLASS="LITERAL"
>VOLATILE</TT
>.  Functions that are declared
    <TT
CLASS="LITERAL"
>STABLE</TT
> or <TT
CLASS="LITERAL"
>IMMUTABLE</TT
> will not see changes made by
    the calling command in any case.
   </P
><P
>    Further information about data visibility rul