Re: WTF with hash index? - Mailing list pgsql-general

From Andreas Kretschmer
Subject Re: WTF with hash index?
Date
Msg-id 425df8ed-d3d1-ead4-06db-224446ded1f3@a-kretschmer.de
Whole thread Raw
In response to WTF with hash index?  (Олег Самойлов <splarv@ya.ru>)
List pgsql-general

Am 13.11.2018 um 17:42 schrieb Олег Самойлов:
> insert into gender (gender) select case when random<0.50 then 'female' 
> when random<0.99 then 'male' else 'other' end from (select random() as 
> random, generate_series(1,:table_size)) as subselect;

is that really your intended data distibution? 99% male?

Regards, Andreas
-- 

2ndQuadrant - The PostgreSQL Support Company.
www.2ndQuadrant.com



pgsql-general by date:

Previous
From: Laurenz Albe
Date:
Subject: Re: WTF with hash index?
Next
From: Ron
Date:
Subject: Re: WTF with hash index?