On Fri, Oct 4, 2019 at 7:32 AM Jeff Davis <pgsql@j-davis.com> wrote:
> The patch has been floating around for a very long time, so I don't
> remember exactly why I chose a signed value. Sorry.
I am reminded of the fact that int64 is used to size buffers within
tuplesort.c, because it needs to support negative availMem sizes --
when huge allocations were first supported, tuplesort.c briefly used
"Size", which didn't work. Perhaps it had something to do with that.
--
Peter Geoghegan