Pivot data produced by PivotSQL process

<?php
@session_start();
require_once "CustomersYears.php";
$CustomersYears = new CustomersYears;
$CustomersYears->run()->render();
?>    

<?php
require_once "../../../load.koolreport.php";
use \koolreport\processes\ColumnMeta;

class CustomersYears extends koolreport\KoolReport
{
    function settings()
    {
        $config = include "../../../config.php";

        return array(
            "dataSources"=>array(
                "automaker"=>$config["automaker"]
            )
        );
    }
    function setup()
    {
        $this->src('automaker')
        ->query('select * from customer_product_dollarsales2')
        ->pipe(new \koolreport\pivot\processes\PivotSQL([
            "column" => "orderYear",
            "row" => "customerName",
            "aggregates"=>array(
                "sum"=>"dollar_sales",
            ),
        ]))
        ->pipe(new ColumnMeta(array(
            "dollar_sales - sum"=>array(
                'type' => 'number',
                "prefix" => "$",
            ),
        )))
        ->pipe($this->dataStore('pivotData'));

    }
}

<?php
        use \koolreport\pivot\widgets\PivotMatrix;
?>

<div class="report-content">  
    <div class="text-center">
        <h1>Pivot data produced by PivotSQL process</h1>
        <p class="lead">PivotSQL works with large SQL datasets
        </p>
    </div>
    
    <form id='form1' class="form-inline" method="post">

        <?php
        PivotMatrix::create(array(
            "id" => "pivotMatrix1",
            'dataSource' => $this->dataStore('pivotData'),
            'waitingFields' => array(
                "productLine" => "label",
                "productName" => "label",
                "orderMonth" => "label",
                "dollar_sales - count" => "data",
            ),
            'paging' => array(
                'size' => 10,
                'maxDisplayedPages' => 5,
                'sizeSelect' => array(5, 10, 20, 50, 100)
            )
        ));
        ?>
    </form>
</div>