Since it could potentially be a security loop hole. So far the action taken to
address it falls into these two categories:
drop the PUBLIC schema altogether. One of the concerns is with some of the
system objects that have been exposed through PUBLIC schema previously, now
they will need other explicit grants to be accessible to users. e.g
pg_stat_statements.
keep the PUBLIC schema but revoke all privileges to it from public role,
then grant as necessity comes up.
Any feedback and lessons from those who have implemented this?
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