Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com> writes:
> Note that the problem here is [1] - we're creating a lot of slots
> referencing the same tuple descriptor, which inflates the duration.
> There's a fix in the other thread, which eliminates ~99% of the
> overhead. I plan to push that fix soon (a day or two).
Oh, okay, as long as there's a plan to bring the time back down.
regards, tom lane