node.saved = false;
    protected void redoUpdateValue(UpdateValueLoggable loggable) throws LogException {        BTreeNode node = getBTreeNode(loggable.pageNum);        if (requiresRedo(loggable, node.page)) {            node.ptrs[loggable.idx] = loggable.pointer;            node.ph.setLsn(loggable.getLsn());        }    }