On 31.07.2017 19:42, Jeff Janes wrote: > I think it is simply because no one has gotten around to implementing > it that way. When you can just write it as a values list instead, the > incentive to make the regular in-list work better is not all that strong. > > Cheers, > > Jeff
I see from explain that IN-clause uses just array with function ANY. I think for efficient implementation of this task I should implement new datatype "hashset". Am I wrong?
