+=item inactive_sql
+
+Returns an SQL expression identifying inactive packages (one-time packages
+that are otherwise unsuspended/uncancelled).
+
+=cut
+
+sub inactive_sql { "
+ ". $_[0]->onetime_sql(). "
+ AND ( cust_pkg.cancel IS NULL OR cust_pkg.cancel = 0 )
+ AND ( cust_pkg.susp IS NULL OR cust_pkg.susp = 0 )
+"; }
+