/I
> plan that is not dependent
    on specific parameter values, and caching that for re-use.  Typically
    this will happen only if the execution plan is not very sensitive to
    the values of the <SPAN
CLASS="APPLICATION"
>PL/pgSQL</SPAN
> variables referenced in it.
    If it is, generating a plan each time is a net win.  See <A
HREF="sql-prepare.html"
>PREPARE</A
> for more information about the behavior of
    prepared statements.
   </P
><P
>    Because <SPAN
CLASS="APPLICATION"
>PL/pgSQL</SPAN
> s