Index: trunk/ippTools/share/addtool_find_cam_id.sql
===================================================================
--- trunk/ippTools/share/addtool_find_cam_id.sql	(revision 26912)
+++ trunk/ippTools/share/addtool_find_cam_id.sql	(revision 26915)
@@ -6,4 +6,15 @@
 JOIN rawExp
     USING(exp_id)
+LEFT JOIN (SELECT exp_id       AS added_exp_id,
+                  addRun.dvodb AS previous_dvodb
+           FROM addRun
+           JOIN camRun USING(cam_id)
+           JOIN chipRun USING(chip_id)
+          ) as foo
+     ON exp_id = added_exp_id
+     -- hook for qualifying the join on the previous_dvodb
+     AND %s
 WHERE
     camRun.state = 'full'
+    AND added_exp_id IS NULL
+    -- addtool adds checks on exposure being added to the dvodb previously