diff --git a/database/db_types.anubis b/database/db_types.anubis
index 30a842e..234b42b 100644
--- a/database/db_types.anubis
+++ b/database/db_types.anubis
@@ -34,7 +34,7 @@ public define Int -> DB_id
   if      row(i) is integer(n)  then db_id(n)
   else if row(i) is null        then none
   else if row(i) is text(txt)   then
-    println("db_id_or_null text "+txt);
+    //println("db_id_or_null text "+txt);
     if decimal_scan(txt) is success(val) then 
       db_id(val) 
     else 
@@ -307,7 +307,7 @@ public define String
   (
     DB_datetime dt
   )=
-  datetime(dt).
+  datetime_not_null(dt, "").
 
 public define String
   String s + DB_datetime dt =
--
libgit2 0.21.4