Re: bug in DROP TABLESPACE - Mailing list pgsql-hackers

From Christopher Kings-Lynne
Subject Re: bug in DROP TABLESPACE
Date
Msg-id 40EFA1D2.8070900@familyhealth.com.au
Whole thread Raw
In response to Re: bug in DROP TABLESPACE  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: bug in DROP TABLESPACE  (Andreas Pflug <pgadmin@pse-consulting.de>)
List pgsql-hackers
> The latter is relatively trivial as long as you interpret it as just
> changing the default TS for tables created later in that schema.
> (On the other hand, you can fake that with a simple UPDATE to
> pg_namespace, so I'm not sure it qualifies as a "must have".)
> 
> The former is a real mess since it would require moving some of the
> system catalogs.  (At least the nailed-in-cache ones, but I'm not sure
> we've yet determined which ones *have* to be in the database's default
> tablespace.)  It'll be fairly entertaining to move pg_class in
> particular, but I doubt you can build such a thing out of the available
> spare parts at all.
> 
> My vote would be to postpone any such patch to 7.6 (or 8.1 as the case
> may be), because it's a nontrivial addition of functionality and we had
> no prototype as of July 1.

It seems to me that we have mixed up two concepts:  the tablespaces that 
a database is IN and the default tablespaces for any schemas created in 
that tablespace.  This will probably cause trouble further down the track :(

Chris



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