On 2024-Feb-27, Dominique Devienne wrote: > Hi. I just tried adding the xmin pseudo-column to my COPY, > and I get an error. I suggest you find some other way to achieve whatever it is you think you'll achieve with this. It's not reliable and you'll regret it eventually. Maybe take a step back and let us know why you want to copy xmin in the first place? > Do I need to switch to a `COPY (select xmin, cols... from tab) ...` to > access xmin? If your ultimate objective is to shoot your feet, then yes, this will work. -- Álvaro Herrera 48°01'N 7°57'E — https://www.EnterpriseDB.com/
