Re: timestamp of the last replayed transaction

Dimitri Fontaine <dimitri@2ndquadrant.fr>

From: Dimitri Fontaine <dimitri@2ndQuadrant.fr>
To: Fujii Masao <masao.fujii@gmail.com>
Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2010-11-02T13:38:27Z
Lists: pgsql-hackers
Fujii Masao <masao.fujii@gmail.com> writes:
> After 9.0 release, I've often heard that some people want to know
> how far transactions have been replayed in the standby in timestamp
> rather than LSN. So I'm thinking to include the function which returns
> the timestamp of the last applied transaction (i.e., commit/abort WAL
> record) in the core.
>
> Name: pg_last_replay_xact_timestamp (better name?)
> Return Type: timestamp with time zone
>
> Thought?

How do you want to implement the tracking? Will it look like the
proposal in this thread:

  http://archives.postgresql.org/pgsql-hackers/2010-05/msg01209.php

Regards,
-- 
Dimitri Fontaine
http://2ndQuadrant.fr     PostgreSQL : Expertise, Formation et Support