diff --git a/doc/src/sgml/maintenance.sgml b/doc/src/sgml/maintenance.sgml index c34ca534087..b5a58c2f954 100644 --- a/doc/src/sgml/maintenance.sgml +++ b/doc/src/sgml/maintenance.sgml @@ -534,7 +534,12 @@ examine this information is to execute queries such as: <programlisting> -SELECT relname, age(relfrozenxid) FROM pg_class WHERE relkind IN ('r', 'm'); +SELECT c.oid::regclass as table_name, + greatest(age(c.relfrozenxid),age(t.relfrozenxid)) as age +FROM pg_class c +LEFT JOIN pg_class t ON c.reltoastrelid = t.oid +WHERE c.relkind IN ('r', 'm'); + SELECT datname, age(datfrozenxid) FROM pg_database; </programlisting>