Re: BUG #12589: Poor randomness from random() with some seeds; poor resolution

Pedro Gimeno <pgsql-004@personal.formauri.es> writes:
> Tom Lane wrote, On 2015-01-20 03:59:
>> The characteristics of the values returned by random() depend on
>> the system implementation.
>>
>> That seems to me to be a sufficient "caveat".

> That caveat is not in the 9.1 manual which is the version I reported
> this issue against.

Good point.  It looks like Heikki added that text in 9.4, and didn't
back-patch.

> Can it be backported to the versions of the manual where it applies?

Done.

            regards, tom lane