Re: Create database bug in 8.1.3 ? -> solved - Mailing list pgsql-general

From Douglas McNaught
Subject Re: Create database bug in 8.1.3 ? -> solved
Date
Msg-id 871ww6yhcz.fsf@suzuka.mcnaught.org
Whole thread Raw
In response to Re: Create database bug in 8.1.3 ? -> solved  ("Milen Kulev" <makulev@gmx.net>)
Responses Re: Create database bug in 8.1.3 ? -> solved  ("Milen Kulev" <makulev@gmx.net>)
Re: Create database bug in 8.1.3 ? -> solved  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-general
"Milen Kulev" <makulev@gmx.net> writes:

> Hi Wiliam,
> Than you very much for your prompt reply.
>
> I can not understand why pg_dump, pg_dumpall have hard-coded "template0" ?

The reason is this:  any extra stuff that your database inherited from
template1 (or whatever template you used) will be dumped out as part
of your database.  There is no way to for pg_dump to tell what parts
came from template1 and what parts were added afterward, so it bases
its dump on template0, which is a minimal database.  If you based your
restored database on template1, you would get collisions as the
restore tried to add objects that were already there from template1.

Make sense?

-Doug

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