Japin Li wrote: > However, if the database is in production, we cannot go into single-user > mode, should we provide an option to change this behavior on the fly?
It already exists, through PGOPTIONS, which appears to work for local_preload_libraries, in a quick test. That is, you can log in by invoking psql with: PGOPTIONS="-c local_preload_libraries=" and issue the ALTER USER to reset things back to normal without stopping the instance. Best regards, -- Daniel Vérité https://postgresql.verite.pro/ Twitter: @DanielVerite