Re: random() function documentation
От | Dean Rasheed |
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Тема | Re: random() function documentation |
Дата | |
Msg-id | CAEZATCVOKJvvjsEhbKLjpFtbNvnGEmf51gXJbG3Y=FV_LQoPbA@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: random() function documentation (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: random() function documentation
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Список | pgsql-hackers |
On Mon, 11 Apr 2022 at 20:20, Tom Lane <tgl@sss.pgh.pa.us> wrote: > > >> How about we just say "uses a linear-feedback shift register algorithm"? I think it'd be sufficient to just say that it's a deterministic pseudorandom number generator. I don't see much value in documenting the internal algorithm used. > > Should we > > perhaps also add a warning that the same seed is not guaranteed to > > produce the same sequence across different (major?) versions? > > I wouldn't bother, on the grounds that then we'd need such disclaimers > in a whole lot of places. Others might see it differently though. Agreed, though I think when the release notes are written, they ought to warn that the sequence will change with this release. Regards, Dean
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