On Tue, Dec 13, 2022 at 09:32:19PM +0530, Bharath Rupireddy wrote:
> Okay, here's the v5 patch that I could come up with. It basically adds
> functions for dissecting WAL file names and computing offset from lsn.
> Thoughts?
I had a second look at that, and I still have mixed feelings about the
addition of the SQL function, no real objection about
pg_dissect_walfile_name().
I don't really think that we need a specific handling with a new
macro from xlog_internal.h that does its own parsing of the segment
number while XLogFromFileName() can do that based on the user input,
so I have simplified that.
A second thing is the TLI that had better be returned as int8 and not
int4 so as we don't have a negative number for a TLI higher than 2B in
a WAL segment name.
--
Michael
