On 7/17/23 16:11, Yi Sun wrote: > Hello guys, > > Our read only user is okay to be granted read only permission of tables. > > How to grant read only functions execute permission to read only user, > is there a simple way to do it please? If not, how to get the list of > read only functions please? Then can grant one by one based on the list, > thanks What is read-only function? I don't think Postgres has anything like that. Functions inherit the privileges of the user that executes them by default. So if the user is read-only (i.e. has just SELECT privilege), then the function can't do any writes either. regards -- Tomas Vondra EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company