| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | "Matthew T(dot) O'Connor" <matthew(at)zeut(dot)net> |
| Cc: | Christopher Browne <cbbrowne(at)acm(dot)org>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Another small bug (pg_autovacuum) |
| Date: | 2003-09-11 21:11:12 |
| Message-ID: | 1507.1063314672@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
"Matthew T. O'Connor" <matthew(at)zeut(dot)net> writes:
> On Thu, 2003-09-11 at 08:12, Christopher Browne wrote:
>> [Rummaging around...] These tables are being added for template1, but
>> apparently not for "main" databases. That looks like a bit of a fly
>> in the ointment...
> I designed it that way. It was my understanding that all of the system
> tables pg_class etc... are shared tables, available in all databases,
> but actually stored as only one central set of real tables.
You are very badly mistaken.
Only the tables marked "relisshared" in pg_class (currently pg_shadow,
pg_group, pg_database, and their indexes and toast tables) are shared
across a cluster. The rest have separate copies per-database.
regards, tom lane
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