>
> Hmm, WAL version compatibility is an interesting question. Most minor
> releases hasn't changed the WAL format, and it would be nice to allow
As I remember, high minor version should read all WALs from lowers, but it isn't
true for opposite case and between different major versions.
> running different minor versions in the master and slave in those cases.
> But it's certainly not unheard of to change the WAL format. Perhaps we
> should introduce a WAL version number, similar to catalog version?
Agree. Right now it only touches warm-stand-by servers, but introducing simple
log-shipping and based on it replication will cause a lot of unobvious
errors/bugs. Is it possible to use catalog version number as WAL version?
--
Teodor Sigaev E-mail: teodor@sigaev.ru
WWW: http://www.sigaev.ru/
