BUG #15819: wrong expression in document of pgbench

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Тема BUG #15819: wrong expression in document of pgbench
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Msg-id 15819-e6191bef1f7334c0@postgresql.org
обсуждение исходный текст
Ответы Re: BUG #15819: wrong expression in document of pgbench  (Fabien COELHO <coelho@cri.ensmp.fr>)
Re: BUG #15819: wrong expression in document of pgbench  (Fabien COELHO <coelho@cri.ensmp.fr>)
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The following bug has been logged on the website:

Bug reference:      15819
Logged by:          KOIZUMI Satoru
Email address:      koizumistr@minos.ocn.ne.jp
PostgreSQL version: 11.3
Operating system:   (Any)
Description:

In example of random_zipfian,  the explanation is "which itself(2) is
produced (3/2)*2.5 = 2.76 times more frequently than 3".
"(3/2)*2.5 = 2.76" is wrong. The correct expression is "(3/2)**2.5 = 2.76".

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