Don't change PG* env default values unless the user explicitly asks us to do so
Don't change PG* env default values unless the user explicitly asks us to do so

Except for the PGUSER variable that we want to be pgcronjob to avoid running this function as a super user.
It's better the user gets a permission error and read the docs than to make it magically work just because it's a super user.

trustly/pgcronjob