/**
* Add filtration by customer id
*
* @param int $customerId
* @return Enterprise_Wishlist_Model_Resource_Item_Collection
*/
public function addCustomerIdFilter($customerId)
{
parent::addCustomerIdFilter($customerId);
$adapter = $this->getConnection();
$defaultWishlistName = Mage::helper('wishlist')->getDefaultWishlistName();
$this->getSelect()->columns(array('wishlist_name' => $adapter->getIfNullSql('wishlist.name', $adapter->quote($defaultWishlistName))));
$this->addFilterToMap('wishlist_name', $adapter->getIfNullSql('wishlist.name', $adapter->quote($defaultWishlistName)));
return $this;
}
