-- varchars retyped to text
-- hours (numeric) changed to minutes (integer) since the code already calculates in minutes
-- note: flags changing the behaviour of hours are still called so and not minutes
--- no refcounts. we use adhoc counts to decide wether delete is possible or not
+-- no refcounts. we use adhoc counts to decide whether delete is possible or not
-- no hour_approval
-- nothing relevant to notifications