pg_group

The view pg_group exists for backwards compatibility: it emulates a catalog that existed in OushuDB. It shows the names and members of all roles that are marked as not rolcanlogin, which is an approximation to the set of roles that are being used as groups.

Table 1. pg_catalog.pg_group

Name	Type	References	Description
groname	name	pg_authid.rolname	Name of the group
grosysid	oid	pg_authid.oid	ID of this group
grolist	oid[]	pg_authid.oid	An array containing the IDs of the roles in this group