Index: trunk/ippTools/share/difftool_revertdiffskyfile_delete.sql
===================================================================
--- trunk/ippTools/share/difftool_revertdiffskyfile_delete.sql	(revision 19459)
+++ trunk/ippTools/share/difftool_revertdiffskyfile_delete.sql	(revision 19462)
@@ -1,3 +1,5 @@
 DELETE FROM diffSkyfile
+USING diffSkyfile, diffRun
 WHERE
-    fault != 0
+    diffRun.diff_id = diffSkyfile.diff_id
+    AND fault != 0