Re: pg_stats and range statistics
От | jian he |
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Тема | Re: pg_stats and range statistics |
Дата | |
Msg-id | CACJufxGM427O9SDvHg0a+KNXMrraq0JG+nFzgST8rAjdd62hQQ@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: pg_stats and range statistics (Alexander Korotkov <aekorotkov@gmail.com>) |
Ответы |
Re: pg_stats and range statistics
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Список | pgsql-hackers |
On Sat, Nov 25, 2023 at 7:06 AM Alexander Korotkov <aekorotkov@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.
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