On 2018-06-26 21:55:07 +0100, Andrew Gierth wrote: > >>>>> "Dmitry" == Dmitry Dolgov <9erthali...@gmail.com> writes: > > Dmitry> Yep, my bad, forgot to turn it on. Now I see what's the > Dmitry> problem, one of the null fields is screwed up, will try to > Dmitry> figure out why is that. > > The handling of nulls in grouping set results is a bit icky, see > prepare_projection_slot in nodeAgg.c. The comment there lists a number > of assumptions which may or may not hold true under JIT which might give > a starting point to look for problems. (Unfortunately I'm not currently > in a position to test on a JIT build)
I probably just screwed up a bit of code generation. I can't see any of the more fundamental assumptions being changed by the way JITing is done. Greetings, Andres Freund
