Alvaro Herrera <alvhe...@2ndquadrant.com> writes: > On 2019-Jun-17, Darafei "Komяpa" Praliaskouski wrote: >> I cannot find traces, but I believe there was a Twitter poll on which >> random do people get after setseed() in postgres, and we found at least >> three distinct sequences across different builds.
> In different machines or different build options? I suppose that's > acceptable ... the problem is changing the sequence in one release to > the next in the same machine with the same build options. FWIW, I agree that this change should be called out as a possible compatibility hazard, even though anybody who was expecting repeatable behavior from the old code was playing with fire. regards, tom lane