Oliver Elphick wrote:
> This is in line with standard OO treatment of inherited classes.
> Class aaa only has a single feature, a; it knows nothing about additional
> features of descendant classes.
But if you are say, using postgres to construct some C++ classes for
types bbb and ccc, you would want to be able to get access to fields b
and c so that you can construct your classes appropriately. This is how
real object databases work.
--
Chris Bitmead
http://www.bigfoot.com/~chris.bitmead
mailto:chris(dot)bitmead(at)bigfoot(dot)com