/**
* _construct
*/
public function _construct()
{
parent::_construct();
$this->catalogCategoryProduct = Mage::getSingleton('core/resource')->getTableName('catalog_category_product');
$this->categoryValuesTable = Mage::getSingleton('core/resource')->getTableName('merchandiser_category_values');
$this->vmBuildTable = Mage::getSingleton('core/resource')->getTableName('merchandiser_vmbuild');
$this->setConnection('core_read', 'core_write');
}
