[gnue] r7776 - in trunk/gnue-common/src/datasources: . drivers/DBSIG2

[reinhard]

Author: reinhard
Date: 2005-08-03 09:19:23 -0500 (Wed, 03 Aug 2005)
New Revision: 7776

Modified:
   trunk/gnue-common/src/datasources/Exceptions.py
   trunk/gnue-common/src/datasources/drivers/DBSIG2/Connection.py
Log:
Explicit exception when record is not found on requery.


Modified: trunk/gnue-common/src/datasources/Exceptions.py
===================================================================
--- trunk/gnue-common/src/datasources/Exceptions.py     2005-08-03 14:05:53 UTC 
(rev 7775)
+++ trunk/gnue-common/src/datasources/Exceptions.py     2005-08-03 14:19:23 UTC 
(rev 7776)
@@ -201,6 +201,19 @@
 
 
 # -----------------------------------------------------------------------------
+# Record not found on requery
+# -----------------------------------------------------------------------------
+
+class RecordNotFoundError (errors.SystemError):
+  """
+  Record not found on requery. This shouldn't happen.
+  """
+  def __init__ (self):
+    errors.SystemError (self,
+        u_("Record not found on attempt to requery changed record"))
+
+
+# -----------------------------------------------------------------------------
 #
 # -----------------------------------------------------------------------------
 

Modified: trunk/gnue-common/src/datasources/drivers/DBSIG2/Connection.py
===================================================================
--- trunk/gnue-common/src/datasources/drivers/DBSIG2/Connection.py      
2005-08-03 14:05:53 UTC (rev 7775)
+++ trunk/gnue-common/src/datasources/drivers/DBSIG2/Connection.py      
2005-08-03 14:19:23 UTC (rev 7776)
@@ -547,7 +547,7 @@
           result [fields [i]] = row [i]
       return result
     else:
-      return None
+      raise Exceptions.RecordNotFoundError
 
   # ---------------------------------------------------------------------------