Illuminate\Database\Query\Builder::runSelect PHP Method

    protected function runSelect()
    {
        return $this->connection->select($this->toSql(), $this->getBindings(), !$this->useWritePdo);
    }

 /**
  * Add scope constraints before running select
  *
  * @return array
  */
 protected function runSelect()
 {
     event(new QuerySelect($this));
     return parent::runSelect();
 }