ROLE based DEFAULT PRIVILEGES

Hello,

I have a database in which I want to grant permission so that when ANY
table is created by a member of role_a SELECT access is granted on it to
ALL members of role_b.

I had thought that:

ALTER DEFAULT PRIVILEGES FOR ROLE role_a GRANT SELECT ON TABLES TO role_b;

or

ALTER DEFAULT PRIVILEGES GRANT SELECT ON TABLES TO role_b;

Would achieve this, but it seems that the first creates default permission
records ONLY for tables created by role_a (not members of role_a) and the
second creates default permission records for tables created by the
Postgres user (or whoever you are connected to psql as).

Reading the documentation again, this is actually what is stated.

Is there a way to achieve this? I want role_a to maintain this level of
access as new tables are created (all creators will be in role_b).

James Sewell
Solutions Architect
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