On Thu, 2006-08-10 at 08:57 -0400, Tom Lane wrote: > Anyway, after further thought I've concluded that we really should > supply something that returns the Insert pointer, as this would be > useful for debugging and system-monitoring purposes. It's clear however > that we also need something that returns the Write pointer, as that's > what's needed for partial log-shipping.
> So my vote is for two > functions, both read-only (and hence not superuser-only). Thats probably the most important consideration. > Not sure > what to name them exactly. pg_current_xlog_location() - gives the write pointer i.e. the offset up to which you can read() the xlog file and trust what it tells you pg_current_wal_insert_pointer() - gives the insert pointer :-) Named sufficiently differently that there is no confusion between them. -- Simon Riggs EnterpriseDB http://www.enterprisedb.com ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org
