function explodeSkusByWildcard($skus)
    {
        $return = array();
        foreach ($skus as $sku) {
            $sku = str_replace('*', '%', $sku);
            $result = $this->getReadAdapter()->select()
                ->from($this->getProductTable())
                ->where($this->getProductSkuField() . ' LIKE ?', $sku)
                ->query();
            foreach ($result->fetchAll() as $matchedSku) {
                array_push($return, $matchedSku[$this->getProductSkuField()]);
            }
        }
        return $return;
    }