Added helper functions to get uri path for a node, and other related resources.

Added description to cms content type.
Fixed initialization of node module to create test bed nodes.

src/persistence/cms_storage_sql.e

@@ -163,6 +163,20 @@ feature -- Helper
 				-- FIXME: find better solution
 		end
 
+	sql_table_items_count (a_table_name: READABLE_STRING_8): INTEGER_64
+			-- Number of items in table `a_table_name'?
+		local
+			l_params: STRING_TABLE [detachable ANY]
+		do
+			reset_error
+			create l_params.make (1)
+			l_params.force (a_table_name, "tbname")
+			sql_query ("SELECT count(*) FROM :tbname ;", l_params)
+			if not has_error then
+				Result := sql_read_integer_64 (1)
+			end
+		end
+
 feature -- Access		
 
 	sql_rows_count: INTEGER

src/persistence/node/cms_node_storage_sql_page_extension.e

@@ -48,7 +48,7 @@ feature -- Persistence
 			l_parameters.put (a_node.revision, "revision")
 
 			sql_query (sql_select_page_data, l_parameters)
-			if has_error then
+			if not has_error then
 				if sql_rows_count = 1 then
 					l_previous_parent_id := sql_read_integer_64 (3)
 					l_update := True