magento - Magento 中的 Collection::addAttributeToSelect() 未定义方法

Question

Fatal error: Call to undefined method Desbest_Showdown_Model_Mysql4_Votes_Collection::addAttributeToSelect() in /home/desbest/public_html/clients/magentofull/app/code/local/Desbest/Showdown/controllers/IndexController.php on line 19

IndexController.php

public function voteAction(){
    $shake = Mage::getModel('showdown/votes')
        ->getCollection()
        ->addAttributeToSelect('*')
        ;
}

==============

code/local/Desbest/Showdown/Model/Mysql4/Votes/Collection.php

<?php
class Desbest_Showdown_Model_Mysql4_Votes_Collection extends Mage_Core_Model_Mysql4_Collection_Abstract
{
    public function _construct()
    {
        parent::_construct();
        $this->_init('showdown/votes');
    }
}

Answer 1

addAttributeToSelect() 仅用于 EAV 样式模型集合(产品、客户等)

对于其他模型，您可以使用 Mage_Core_Model_Resource_Db_Collection_Abstract::addFieldToSelect() 方法。