On Fri, Oct 4, 2019 at 7:32 AM Jeff Davis <pg...@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
