Ticket #410 - Referential integrity plug-in does not work when update interval is not zero
(cherry picked from commit 7dbcce4e91e7f8afa530fe4bc538affa397a9a9f)
(cherry picked from commit fbc1d01f1f06461a477b22bad2bd3c70c1c6bc80)
(cherry picked from commit 32cfafa507dd1a0f048ae38e9e48e6ad6671bdd7)