Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> Is there a version number in the WAL file?
catversion.h will do fine, no?
> Can we put conditional code in there to create
> new log file records with an updated format?
The WAL stuff is *far* too complex already. I've spent a week studying
it and I only partially understand it. I will not consent to trying to
support multiple log file formats concurrently.
regards, tom lane