Re: Big 7.1 open items
Ross Reedstrom <reedstrm@rice.edu>
From: "Ross J. Reedstrom" <reedstrm@rice.edu>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Hiroshi Inoue <Inoue@tpf.co.jp>, Bruce Momjian <pgman@candle.pha.pa.us>, Peter Eisentraut <peter_e@gmx.net>, Jan Wieck <JanWieck@yahoo.com>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2000-06-21T05:45:02Z
Lists: pgsql-hackers
On Wed, Jun 21, 2000 at 01:23:57AM -0400, Tom Lane wrote: > "Hiroshi Inoue" <Inoue@tpf.co.jp> writes: > > > My opinion > > 3) database and tablespace are relatively irrelevant. > > I assume PostgreSQL's database would correspond > > to the concept of SCHEMA. > > My inclindation is that tablespaces should be installation-wide, but > I'm not completely sold on it. In any case I could see wanting a > permissions mechanism that would only allow some databases to have > tables in a particular tablespace. > > We do need to think more about how traditional Postgres databases > fit together with SCHEMA. Maybe we wouldn't even need multiple > databases per installation if we had SCHEMA done right. > The important point I think is that tablespaces are about physical storage/namespace, and SCHEMA are about logical namespace: it would make sense for tables from multiple schema to live in the same tablespace, as well as tables from one schema to be stored in multiple tablespaces. Ross -- Ross J. Reedstrom, Ph.D., <reedstrm@rice.edu> NSBRI Research Scientist/Programmer Computer and Information Technology Institute Rice University, 6100 S. Main St., Houston, TX 77005