db/routines/vn/triggers/entry_beforeUpdate.sql

@@ -6,11 +6,20 @@ BEGIN
 	DECLARE vIsVirtual BOOL;
 	DECLARE vPrintedCount INT;
 	DECLARE vHasDistinctWarehouses BOOL;
+	DECLARE vEntryFkCount INT;
 	
 	IF NEW.isBooked = OLD.isBooked THEN
 		CALL entry_checkBooked(OLD.id);
 	END IF;
 
+	IF NEW.isBooked = 1 THEN
+		SELECT COUNT(*) INTO vEntryFkCount
+			FROM buy WHERE entryFk = NEW.id;
+		IF vEntryFkCount = 0 THEN
+			CALL util.throw('The entry cannot be marked as booked if it does not have lines');
+		END IF;
+	END IF;
+
 	SET NEW.editorFk = account.myUser_getId();
 
 	IF NOT (NEW.travelFk <=> OLD.travelFk) THEN