Horton

Re: Renaming of pg_xlog and pg_clog

Andres Freund <andres@anarazel.de>

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From: Andres Freund <andres@anarazel.de>
To: David Steele <david@pgmasters.net>
Cc: Michael Paquier <michael.paquier@gmail.com>, Peter Eisentraut <peter.eisentraut@2ndquadrant.com>, Tom Lane <tgl@sss.pgh.pa.us>, Magnus Hagander <magnus@hagander.net>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2016-08-29T16:09:24Z
Lists: pgsql-hackers 
On 2016-08-29 12:07:51 -0400, David Steele wrote:
> >> pg_replslot -> pg_tmp/pg_repslot
> > 
> > That's most certainly not ephemeral. Just because something isn't
> > generally appropriate on a standby, doesn't, by far, mean it's ephemeral.
> 
> Yes, ephemeral was a poor choice of words.  I really meant "can be
> excluded from backups".

Then it most certainly can't be called pg_tmp, that'll just invite
people to rm -rf it. And then they'll be screwed.

Commits

  1. Rename "pg_clog" directory to "pg_xact".

  2. Improve error reporting in pg_upgrade's file copying/linking/rewriting.