databse update for stacked resources

src/engine/db/handlers/dbItemHandler.java

@@ -504,4 +504,24 @@ public class dbItemHandler extends dbHandlerBase {
             return false;
         }
     }
+
+    public boolean UPDATE_NUM_ITEMS(final Item item, int newValue, int oldValue) {
+
+        if (item.getItemBase().getType().equals(ItemType.GOLD))
+            return false;
+
+        try (Connection connection = DbManager.getConnection();
+             PreparedStatement preparedStatement = connection.prepareStatement("UPDATE `obj_item` SET `item_numberOfItems`=? WHERE `UID`=?")) {
+
+            preparedStatement.setInt(1, newValue);
+            preparedStatement.setLong(2, item.getObjectUUID());
+
+            return (preparedStatement.executeUpdate() > 0);
+
+        } catch (SQLException e) {
+            Logger.error(e);
+            return false;
+        }
+
+    }
 }

src/engine/net/client/ClientMessagePump.java

@@ -1475,7 +1475,7 @@ public class ClientMessagePump implements NetMsgHandler {
                                             item.setNumOfItems(item.getNumOfItems() + 1);
                                             stacked = true;
                                             itemMan.updateInventory();
-                                            item.updateDatabase();
+                                            DbManager.ItemQueries.UPDATE_NUM_ITEMS(item,item.getNumOfItems(),0);
                                             break;
                                         }
                                     }