On Monday, April 21, 2025, PG Doc comments form <nore...@postgresql.org> wrote: > > > It seems that the assumed/implied default value for settings that did not > exist for a session is the empty string? It would be useful to document > that > behavior explicitly.
This is presently being worked on. Some changes have made it into the v18 docs already. > > Furthermore, it seems impossible to actually *remove* such a user defined > settings completely, correct? That too, I miss stated explicitly in the > documentation. > Correct. The null is not the value of the setting, it is being provided instead of producing a “setting does not exist” error. The system never forgets a setting once set (within a session). Reset restores a setting to its default value, which for text is the empty string. David J.
