Tom Lane dijo: 
> Hannu Krosing <hannu@tm.ee> writes:
> > I've come upon a misbehaviour of drop column, where drop column
> > unconditionally drops inherited column from child tables.
> > What it should do is to check if the same column is not inherited from
> > other parents and drop it only when it is not
> 
> Hm.  Seems like attisinherited should have been a count, not a boolean.
I'll try to make a fix and submit.
> Is anyone sufficiently excited about this issue to force an initdb to
> fix it?
If people thinks it's important, the fix can be integrated.  If not, it
can wait until 7.4.
-- 
Alvaro Herrera (<alvherre[a]atentus.com>)
"Aprende a avergonzarte mas ante ti que ante los demas" (Democrito)