pg.ddx.io pgsql-admin@postgresql.org mailing list archive
help / color / mirror / Atom feedWhat is the role of pg_filenode.map ?
2+ messages / 2 participants
[nested] [flat]
* What is the role of pg_filenode.map ?
@ 2012-04-22 09:43 F. BROUARD / SQLpro <sqlpro@club-internet.fr>
0 siblings, 0 replies; 2+ messages in thread
From: F. BROUARD / SQLpro @ 2012-04-22 09:43 UTC (permalink / raw)
To: pgsql-admin
Hi tehre,
in every database there is a file nammed pg_filenode.map
wich I suppose give the map of the real filenode while some command make
a divergence betwen the actuel object oid and the "new" filenode...
Am I wright ?
Thanks
--
Frédéric BROUARD - expert SGBDR et SQL - MVP SQL Server - 06 11 86 40 66
Le site sur le langage SQL et les SGBDR : http://sqlpro.developpez.com
Enseignant Arts & Métiers PACA, ISEN Toulon et CESI/EXIA Aix en Provence
Audit, conseil, expertise, formation, modélisation, tuning, optimisation
*********************** http://www.sqlspot.com *************************
^ permalink raw reply [nested|flat] 2+ messages in thread
* Re: What is the role of pg_filenode.map ?
@ 2012-04-22 16:29 Kevin Grittner <Kevin.Grittner@wicourts.gov>
0 siblings, 0 replies; 2+ messages in thread
From: Kevin Grittner @ 2012-04-22 16:29 UTC (permalink / raw)
To: sqlpro@club-internet.fr; pgsql-admin
"F. BROUARD / SQLpro" wrote:
> in every database there is a file nammed pg_filenode.map wich I
> suppose give the map of the real filenode while some command make
> a divergence betwen the actuel object oid and the "new" filenode...
> Am I wright ?
If you want to understand internals like this, the best thing to do
is probably to read the source code.
http://git.postgresql.org/gitweb/?p=postgresql.git;a=blob;f=src/backend/utils/cache/relmapper.c;h=6f...
-Kevin
^ permalink raw reply [nested|flat] 2+ messages in thread
end of thread, other threads:[~2012-04-22 16:29 UTC | newest]
Thread overview: 2+ messages (download: mbox mbox.gz follow: Atom feed)
-- links below jump to the message on this page --
2012-04-22 09:43 What is the role of pg_filenode.map ? F. BROUARD / SQLpro <sqlpro@club-internet.fr>
2012-04-22 16:29 Re: What is the role of pg_filenode.map ? Kevin Grittner <Kevin.Grittner@wicourts.gov>
This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox