pg_auth_members shows the membership relations between roles. Any non-circular set of relationships is allowed.
Because user identities are cluster-wide,
pg_auth_members is shared across all databases of a cluster: there is only one copy of
pg_auth_members per cluster, not one per database.
ID of a role that has a member
ID of a role that is a member of
ID of the role that granted this membership
True if the member automatically inherits the privileges of the granted role
True if the member can
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