Index: trunk/Mars/datacenter/db/factdefs.php
===================================================================
--- trunk/Mars/datacenter/db/factdefs.php	(revision 13314)
+++ trunk/Mars/datacenter/db/factdefs.php	(revision 14149)
@@ -18,6 +18,5 @@
      "Run"                              => "Run",
      "fRunTypeName"                     => "RunType",
-     "fMd5sumRaw"                       => "md5",
-     "fMd5sumRawZip"                    => "md5(zip)",
+     "if(!isnull(fCheckSum)+!isnull(fDataSum),Concat(fCheckSum,\"/\",fDataSum),Concat(fMd5sumRaw,\"/\",fMd5sumRawZip))" => "checksum",
      "fROI"                             => "roi",
      "fROITimeMarker"                   => "roi-tm",