52.9. pg_auth

52.9. `pg_auth_members`
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52.9. `pg_auth_members`

The catalog 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.

Table 52.9. pg_auth_members Columns

Name	Type	References	Description
`roleid`	`oid`	`pg_authid.oid`	ID of a role that has a member
`member`	`oid`	`pg_authid.oid`	ID of a role that is a member of `roleid`
`grantor`	`oid`	`pg_authid.oid`	ID of the role that granted this membership
`admin_option`	`bool`		True if `member` can grant membership in `roleid` to others

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52.9. pg_auth_members

52.9. `pg_auth_members`