RE: [HACKERS] Happy column dropping
Hiroshi Inoue <inoue@tpf.co.jp>
From: "Hiroshi Inoue" <Inoue@tpf.co.jp>
To: "Tom Lane" <tgl@sss.pgh.pa.us>
Cc: "Peter Eisentraut" <peter_e@gmx.net>, "The Hermit Hacker" <scrappy@hub.org>, "PostgreSQL Development" <pgsql-hackers@postgreSQL.org>, "Bruce Momjian" <pgman@candle.pha.pa.us>
Date: 2000-01-25T01:58:43Z
Lists: pgsql-hackers
> -----Original Message----- > From: Tom Lane [mailto:tgl@sss.pgh.pa.us] > > "Hiroshi Inoue" <Inoue@tpf.co.jp> writes: > > As far as I see,fixed mapping relname to relation filename is the > > problem. This doesn't allow the coexistence of old and new relation > > files. > > Yes, and Vadim has proposed using relation OIDs as filenames for > reasons of his own, IIRC. > Yes,I know it. But I'm now inclined to generate unique relation file name each time in order to have different file names for different versions of a same relation oid. Without chainging relation oids,we would be to do nothing about their attributes/constraints etc. Anyway this must be decided after sufficient discussion. It's not the time to do it now. Regards. Hiroshi Inoue Inoue@tpf.co.jp