Re: Re: CREATEDB Where ??

From: Justin Clift <justin(at)postgresql(dot)org>
To: pmoscatt(at)bigpond(dot)net(dot)au
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Re: CREATEDB Where ??
Date: 2001-08-20 16:46:23
Message-ID: 3B813EDF.50E9B7BC@postgresql.org
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Hi Pete,

Would it be appropriate to do a SQL dump of the created database via
pg_dump, then reload it during the installation vi psql or the COPY
command? If you include the whole data/ subdirectory, you'll also get
the WAL logfiles and everything, which you probably don't need.

Of course, you'll need to create a process for updating the *.conf
(postgresql.conf, pg_ident.conf, pg_hba.conf) files correctly too.
Perl, sed, etc, would all be a starting point here.

Regards and best wishes,

Justin Clift

Peter Moscatt wrote:
>
> Thanks Tony... yes that helps explain why I am not seeing what I expected
> to see.
>
> Right..... If I was developing an application, say with Python and I
> needed to transport my created database and make it part of an installation
> process (create a tar ball with all needed components), do I just include
> the /usr/local/pgsql/data directory as part of my dist ??
>
> Pete
>
> Tony Reina wrote:
>
> > Peter Moscatt <pmoscatt(at)bigpond(dot)net(dot)au> wrote in message
> > news:<4x9f7(dot)126086$Xr6(dot)689318(at)news-server(dot)bigpond(dot)net(dot)au>...
> >> I am pretty new to PostgreSQL so please bare with me :-)
> >>
> >> When issuing the CREATEDB MyDb then creating some tables with CREATE
> >> TABLE, I then go back and do a search for the file I have just created
> >> (MyDb) but can't find the physical file.
> >>
> >> Does one actually exist ??
> >>
> >> Pete
> >
> > Sure it does. The problem you are having is that since the
> > implementation of TOAST in PG 7.1, all of the db and table names are
> > represented by numbers in the physical file system
> > (usr/local/pgsql/data/base). So if you tried to do an 'ls' or 'find'
> > for the name of your database, it probably wouldn't show up. However,
> > just do a 'psql {db_name}' (where {db_name} is the name of your
> > database) and you'll see that everything is kosher.
> >
> > To translate the oid numbers to their respective names, use the
> > oid2name function found in the /contrib under your Postgres source
> > code.
> >
> > -Tony
> >
>
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