> "Christopher Kings-Lynne" <chriskl@familyhealth.com.au> writes:
> > The one big programming difficulty I see is the process of running
through
> > all the existing tuples in the relation the column was added to and
> > evaluating the default for each row.
>
> Basically you wanna do an "UPDATE tab SET col = <default expr>". I'd
> suggest letting the existing machinery handle as much of that as
> possible.
Using SPI calls?
Chris