newsupernova/vendor/magento/module-sales/Model/ResourceModel/Report.php

<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
namespace Magento\Sales\Model\ResourceModel;

/**
 * Sales report resource model
 *
 * @author      Magento Core Team <core@magentocommerce.com>
 */
class Report extends \Magento\Sales\Model\ResourceModel\EntityAbstract
{
    /**
     * Resource initialization
     *
     * @return void
     */
    protected function _construct()
    {
    }

    /**
     * Set main table and idField
     *
     * @param string $table
     * @param string $field
     * @return $this
     */
    public function init($table, $field = 'id')
    {
        $this->_init($table, $field);
        return $this;
    }
}