Hi,
On 2020-03-12 16:35:15 +0800, Pengzhou Tang wrote: > When reading the grouping sets codes, I find that the additional size of > the hash table for hash aggregates is always zero, this seems to be > incorrect to me, attached a patch to fix it, please help to check. Indeed, that's incorrect. Causes the number of buckets for the hashtable to be set higher - the size is just used for that. I'm a bit wary of changing this in the stable branches - could cause performance changes? Greetings, Andres Freund
