Index: trunk/Ohana/src/opihi/cmd.data/dbselect.c
===================================================================
--- trunk/Ohana/src/opihi/cmd.data/dbselect.c	(revision 13615)
+++ trunk/Ohana/src/opihi/cmd.data/dbselect.c	(revision 17648)
@@ -80,8 +80,11 @@
     }
     for (i = 0; i < Ncols; i++) {
-      vec[i][0].elements[j] = atof (row[i]);
+      if (row[i]) {
+	vec[i][0].elements[j] = atof (row[i]);
+      } else {
+	vec[i][0].elements[j] = NAN;
+      }
     }
   }
-
   free (query);
   free (vec);
@@ -89,5 +92,4 @@
   return (TRUE);
 }
-
 # else