cbbrowne/Schemaverse — comment on commit 90fe164f08e267ebb9b4bcd994b28bfab03ee3a0
File: create_schemaverse.sql line 585
By cbbrowne:

Well, the value of the ID is in currval('whatever-is-the-sequence'), so it's referenceable, as long as the trigger/rule does so *after* the ship is inserted.