Hi, On Mon, Oct 17, 2022 at 09:15:20AM +0800, qiumingcheng wrote: > Hello， My questions are as follows： > Problem description > After testing, we don't find the difference between functions of > proleakproof=true and functions of proleakproof=false (the function is > described in pg_proc). Can you give specific examples to show that functions > of proleakproof=true are more secure or can prevent data disclosure than > functions of proleakproof=false. My related testing process is as follows > (the rsp_user and wumk used below are the two database users that have been > created).
Have you looked at https://wiki.postgresql.org/wiki/What%27s_new_in_PostgreSQL_9.2#Security_barriers_and_Leakproof?
