On 5/25/05, Jaime Casanova <[EMAIL PROTECTED]> wrote: > > Also, defining the return type as ANYELEMENT will definitely NOT work, > > since none of the input arguments are polymorphic. > > > mmm... This is a problem, there is a way to make a function that can > be used for returning different datatypes depending on the columns > Ok, i have read in the manual about returning polymorphic types. why we can't cast the function to the appropiate type to avoid the extra parameter?
-- regards, Jaime Casanova (DBA: DataBase Aniquilator ;) ---------------------------(end of broadcast)--------------------------- TIP 9: the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match