text: -- Retourne les autorisations des utilisateurs
  SELECT use.usename AS subject,
           nsp.nspname AS namespace,
           c.relname AS item,
           c.relkind AS type,
           use2.usename AS owner,
           c.relacl,
           (use2.usename != use.usename
          AND c.relacl::text !~ ('({|,)' || use.usename || '=')) AS public
  FROM pg_user use
  CROSS JOIN pg_class c
  LEFT JOIN pg_namespace nsp
      ON (c.relnamespace = nsp.oid)
  LEFT JOIN pg_user use2
      ON (c.relowner = use2.usesysid)
  WHERE c.relowner = use.usesysid
          OR c.relacl::text ~ ('({|,)(|' || use.usename || ')=')
  ORDER BY  subject, namespace, item;