Horton

Re: What seed does random() use if setseed() is not called first?

Tom Lane <tgl@sss.pgh.pa.us>

View thread View on postgr.es
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Carl Sopchak <carl@sopchak.me>
Cc: pgsql-sql@lists.postgresql.org
Date: 2022-07-23T22:06:01Z
Lists: pgsql-sql 
Carl Sopchak <carl@sopchak.me> writes:
>     <p>Thank you for the quick reply!  But I wouldn't have bothered you
>       if the documentation stated something to the effect of "While it's
>       platform-dependent, if setseed() is not called, the random number
>       generator is generally seeded by whatever method the operating
>       system provides as a source of randomness, such as /dev/urandom on
>       Linux/Unix, or &lt;???&gt; on Windows."</p>

Hmm, I thought this already was documented, but it looks like not.
I'll see what I can do.

			regards, tom lane

Commits

  1. Doc: improve documentation about random().