如何在Magento查询中添加“order by”

Question

我为magento安装了一个脚本。它允许在订单上添加注释。所以它在订单网格上显示了一条评论。

问题是它没有按“created_at”列对评论进行排序。我不知道如何设置订单。

这是代码的一部分：

 protected function _initSelect()
{
    parent::_initSelect();

    // Join order comment
    $this->getSelect()->joinLeft(
        array('ordercomment_table' => $this->getTable('sales/order_status_history')),
        'main_table.entity_id = ordercomment_table.parent_id AND ordercomment_table.comment IS NOT NULL',
        array(
            'ordercomment' => 'ordercomment_table.comment',
        )
    )->group('main_table.entity_id');

    return $this;
}

感谢您的帮助。

Answer 1

protected function _initSelect()
{
    parent::_initSelect();

    // Join order comment
    $this->getSelect()->joinLeft(
        array('ordercomment_table' => $this->getTable('sales/order_status_history')),
        'main_table.entity_id = ordercomment_table.parent_id AND ordercomment_table.comment IS NOT NULL',
        array(
            'ordercomment' => 'ordercomment_table.comment',
        )
    )->group('main_table.entity_id');

    //Add ORDER BY
    $this->getSelect()->order(array('ordercomment_table.created_at DESC'));

    return $this;
}

Answer 2

在上面的现有功能中替换此行。添加ORDER BY。

$this->getSelect()->order('ordercomment_table.created_at', 'DESC');