"
>Section 35.2.5</A
>.
     An example is shown in <A
HREF="plpgsql-declarations.html#PLPGSQL-DECLARATION-PARAMETERS"
>Section 40.3.1</A
>.
    </P
><P
>     <SPAN
CLASS="APPLICATION"
>PL/pgSQL</SPAN
> functions can also be declared to return
     a <SPAN
CLASS="QUOTE"
>"set"</SPAN
> (or table) of any data type that can be returned as
     a single instance.  Such a function generates its output by executing
     <TT
CLASS="COMMAND"
>RETURN NEXT</TT
> for each desired element of the result
     set, or by 