Re: NULL pg_database.datacl

> On 20/03/2023 11:52 CET Dominique Devienne <ddevienne@gmail.com> wrote:
>
> Hi. I'm surprised, I thought ACLs would never be empty for a database.
> Does that mean nobody can connect to this database?
> I guess SUPERUSER and/or its datDBA can?
> What does a NULL AclItem[] mean exactly?

It means that the object has default privileges (before any GRANT or REVOKE
is executed).  For databases this means full privileges for the database owner
and the CONNECT and TEMPORARY privileges for PUBLIC.  So any user can connect
if allowed by pg_hba.conf.

https://www.postgresql.org/docs/current/ddl-priv.html

--
Erik