Em dom., 25 de jul. de 2021 às 13:28, Tom Lane <tgl@sss.pgh.pa.us> escreveu:
Andres Freund <andres@anarazel.de> writes: > On 2021-07-23 17:15:24 -0400, Tom Lane wrote: >> That's because they spill to disk where they did not before. The easy >> answer of "raise hash_mem_multiplier" doesn't help, because on Windows >> the product of work_mem and hash_mem_multiplier is clamped to 2GB, >> thanks to the ancient decision to do a lot of memory-space-related >> calculations in "long int", which is only 32 bits on Win64.
> We really ought to just remove every single use of long.
I have no objection to that as a long-term goal. But I'm not volunteering to do all the work, and in any case it wouldn't be a back-patchable fix.
I'm a volunteer, if you want to work together.
I think int64 is in most cases the counterpart of *long* on Windows.