"Koichi Suzuki" <koichi.szk@gmail.com> writes:
> Well, WAL format doesn't only depend on WAL itself, but also depend on
> each resource manager. If we introduce WAL format version
> identification, ISTM that we have to take care of the matching of
> resource manager in the master and the slave as well.
That seems a bit overdesigned. What are the prospects that two builds
of the same Postgres version are going to have different sets of
resource managers in them?
regards, tom lane