Add (preliminary) database cleanup code.

svn path=/branches/tk705/; revision=6221

1 files changed, 6 insertions, 0 deletions

diff --git a/rpki/rcynicdb/models.py b/rpki/rcynicdb/models.py
index e2d69d40..80badcff 100644
--- a/rpki/rcynicdb/models.py
+++ b/rpki/rcynicdb/models.py
@@ -62,6 +62,12 @@ class RRDPSnapshot(models.Model):
     retrieved = models.OneToOneField(Retrieval)
 
 # RPKI objects.
+#
+# Might need to add an on_delete argument to the ForeignKey for the
+# retrieved field: the default behavior is CASCADE, which is may not
+# what we want in this case.
+#
+# https://docs.djangoproject.com/en/1.9/ref/models/fields/#django.db.models.ForeignKey.on_delete
 
 class RPKIObject(models.Model):
     der           = models.BinaryField(unique = True)