Re: ALTER TABLE DROP COLUMN

Hiroshi Inoue <Inoue@tpf.co.jp> writes:
>>>> P.S. I've noticed that get_rte_attribute_name() seems to
>>>> break my implementation. I'm not sure if I could solve it.
>> 
>> That would be a problem --- rule dumping depends on that code to
>> produce correct aliases, so making it work is not optional.

> Your change has no problem if logical==physical attribute
> numbers.

But if they're not, what do we do?  Can we define the order of the
alias-name lists as being one or the other numbering?  (Offhand I'd
say it should be logical numbering, but I haven't chased the details.)
If neither of those work, we'll need some more complex datastructure
than a simple list.
        regards, tom lane