+ /* collations */
+ -- Collations have no real privileges, so we represent all collations with implicit usage privilege here.
+ SELECT CAST(u.rolname AS sql_identifier) AS grantor,
+ CAST('PUBLIC' AS sql_identifier) AS grantee,
+ CAST(current_database() AS sql_identifier) AS object_catalog,
+ CAST(n.nspname AS sql_identifier) AS object_schema,
+ CAST(c.collname AS sql_identifier) AS object_name,
+ CAST('COLLATION' AS character_data) AS object_type,
+ CAST('USAGE' AS character_data) AS privilege_type,
+ CAST('NO' AS yes_or_no) AS is_grantable
+
+ FROM pg_authid u,
+ pg_namespace n,
+ pg_collation c
+
+ WHERE u.oid = c.collowner
+ AND c.collnamespace = n.oid
+ AND c.collencoding = (SELECT encoding FROM pg_catalog.pg_database WHERE datname = pg_catalog.current_database())
+
+ UNION ALL
+