Re: [HACKERS] Dbsize backend integration

From: Robert Treat <xzilla(at)users(dot)sourceforge(dot)net>
To: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
Cc: Dave Page <dpage(at)vale-housing(dot)co(dot)uk>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Dawid Kuroczko <qnex42(at)gmail(dot)com>, Andreas Pflug <pgadmin(at)pse-consulting(dot)de>, PostgreSQL-patches <pgsql-patches(at)postgresql(dot)org>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: [HACKERS] Dbsize backend integration
Date: 2005-07-05 01:34:17
Message-ID: 200507042134.17905.xzilla@users.sourceforge.net
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On Monday 04 July 2005 13:25, Bruce Momjian wrote:
> Robert Treat wrote:
> > Actually I'd agree with Tom, pg_dbfile_size is ugly, and suggest to me I
> > could use a filename as an argument. ISTM that if we think that
> > functions like pg_database_size and pg_tablespace_size all make sense,
> > the natural extension would be functions called pg_index_size to tell us
> > the size of an index, pg_table_size to tell us the size of a table
> > (table+toast) without it's indexes, and some form of
> > pg_table_plus_indexes_size for a table and its indexes for those that
> > feel we need both. I'm not sold we need a function that can return
> > either an index or table size, but if so something like pg_object_size
> > seems ambigious enough to work, and is future proof enough to handle
> > things like materialized views when and if they arise.
>
> You are into the cycle we were in. We discussed pg_object size (too
> vague) and pg_index_size (needs pg_toast_size too, and maybe toast
> indexes; too many functions).

Yeah, I read those discussions, and think you were better off then than you
are now, which is why I went back to it somewhat.

--
Robert Treat
Build A Brighter Lamp :: Linux Apache {middleware} PostgreSQL

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