Understood. Thanks David it was a nice conversation and clarification from you
Regards Ayush Vatsa On Sun, 7 Apr 2024 at 23:45, David G. Johnston <david.g.johns...@gmail.com> wrote: > On Sun, Apr 7, 2024 at 11:02 AM Ayush Vatsa <ayushvatsa1...@gmail.com> > wrote: > >> > If you want to confirm what the documentation says create a custom >> operator/function that alex is not permitted to execute and have them query >> a view defined by postgres that uses that function. >> Thanks for the suggestion, it helped and I found out alex could not >> execute the view as it didn't have privileges for the function associated >> with operator >> >> But a small doubt arises here I have to revoke the execution of the >> function using the command >> REVOKE ALL ON ALL FUNCTIONS IN SCHEMA public from public; >> but when I tried >> REVOKE EXECUTE ON FUNCTION text_equals(text,text) FROM alex; >> or >> REVOKE ALL ON FUNCTION text_equals(text,text) FROM alex; >> It didn't work i.e alex can still execute text_equals function. Why is it >> so? >> >>> >>> > See https://www.postgresql.org/docs/current/ddl-priv.html > Especially the part regarding default privileges. The PUBLIC pseudo-role > is granted execute on functions by default. You are probably trying to > revoke a privilege from alex that was never granted to alex directly. > > David J. > >