PPLICATION"
>PL/pgSQL</SPAN
> will report an error if a name
    in a SQL statement could refer to either a variable or a table column.
    You can fix such a problem by renaming the variable or column,
    or by qualifying the ambiguous reference, or by telling
    <SPAN
CLASS="APPLICATION"
>PL/pgSQL</SPAN
> which interpretation to prefer.
   </P
><P
>    The simplest solution is to rename the variable or column.
    A common coding rule is to use a
    different naming convention for <SPAN
CLASS="APPLICAT