On Sat, Nov 25, 2023 at 10:58 AM jian he <jian.universal...@gmail.com> wrote: > On Sat, Nov 25, 2023 at 7:06 AM Alexander Korotkov <aekorot...@gmail.com> > wrote: > > > > Hi! > > Additionally, I found that the current patch can't handle infinite > > range bounds and discards information about inclusiveness of range > > bounds. The infinite bounds could be represented as NULL (while I'm > > not sure how good this representation is). Regarding inclusiveness, I > > don't see the possibility to represent them in a reasonable way within > > an array of base types. I also don't feel good about discarding the > > accuracy in the pg_stats view. > > > > in range_length_histogram, maybe we can document that when calculating > the length of a range, inclusiveness will be true.
I've revised the patchset. Edited comment in pg_statistic.h as you proposed. And I've added to the documentation a short note on how the range length histogram is calculated. ------ Regards, Alexander Korotkov
0001-Update-comments-for-pg_statistic-catalog--20231125-2.patch
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0002-Display-length-and-bounds-histograms-in-p-20231125-2.patch
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