> > In fact, looking at it logically...if all the commands currently are
> > required to check that they're not modifiying a system column,
> then why not
> > add the requirement that they must also not modify dropped
> columns? I can
> > do a careful doc search and try to make sure I've touched everything...
>
> Makes sense. Of course, we could make a syscache that didn't return
> system columns either.
Actually - are you certain that every command uses a SearchSysCache and not
some other weirdness? If we have to do the odd exception, then maybe we
should do them all as 'exceptions'?
Chris
