Re: ALTER TABLE DROP COLUMN
Tom Lane <tgl@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Hiroshi Inoue <Inoue@tpf.co.jp>
Cc: Bruce Momjian <pgman@candle.pha.pa.us>, PostgreSQL Development <pgsql-hackers@postgreSQL.org>
Date: 2000-10-06T02:42:42Z
Lists: pgsql-hackers
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