Re: Streaming replication and pg_xlogfile_name()
Simon Riggs <simon@2ndquadrant.com>
From: Simon Riggs <simon@2ndQuadrant.com>
To: Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>
Cc: Fujii Masao <masao.fujii@gmail.com>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2010-02-23T22:56:05Z
Lists: pgsql-hackers
On Thu, 2010-01-28 at 10:28 +0200, Heikki Linnakangas wrote: > Fujii Masao wrote: > > In relation to the functions added recently, I found an annoying problem; > > pg_xlogfile_name(pg_last_xlog_receive/replay_location()) might report the > > wrong name because pg_xlogfile_name() always uses the current timeline, > > and a backend doesn't know the actual timeline related to the location > > which pg_last_xlog_receive/replay_location() reports. Even if a backend > > knows that, pg_xlogfile_name() would be unable to determine which timeline > > should be used. > > Hmm, I'm not sure what the use case for this is Agreed. What is the use case for this? -- Simon Riggs www.2ndQuadrant.com