Re: Big 7.1 open items
От | Tom Lane |
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Тема | Re: Big 7.1 open items |
Дата | |
Msg-id | 11132.962139611@sss.pgh.pa.us обсуждение исходный текст |
Ответ на | RE: Big 7.1 open items (Peter Eisentraut <peter_e@gmx.net>) |
Ответы |
Re: Big 7.1 open items
Re: Big 7.1 open items |
Список | pgsql-hackers |
Peter Eisentraut <peter_e@gmx.net> writes: > Mikheev, Vadim writes: >> Do we need *both* database & tablespace to find table file ?! >> Imho, database shouldn't be used... > Then the system tables from different databases would collide. I've been assuming that we would create a separate tablespace for each database, which would be the location of that database's system tables. It's probably also the default tablespace for user tables created in that database, though it wouldn't have to be. There should also be a known tablespace for the installation-wide tables (pg_shadow et al). With this approach tablespace+relation would indeed be a sufficient identifier. We could even eliminate the knowledge that certain tables are installation-wide from the bufmgr and below (currently that knowledge is hardwired in places that I'd rather didn't know about it...) regards, tom lane
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