CrudKit\Data\SQLDataProvider::postProcessColumns PHP Method

    protected function postProcessColumns()
    {
        // Set the first summary column as a primary column
        /**
         * @var SQLColumn $sumColObj
         */
        $sumColObj = $this->columns[$this->summary_cols[0]];
        $sumColObj->setOptions(array('primaryColumn' => $this->getPrimaryColumn()->id));
        // TODO: Improve primary handling
    }