MysqlCastSql.php

<?php

namespace Drupal\mysql\Plugin\views\query;

use Drupal\views\Plugin\views\query\CastSqlInterface;

/**
 * MySQL specific cast handling.
 */
class MysqlCastSql implements CastSqlInterface {
    
    /**
     * {@inheritdoc}
     */
    public function getFieldAsInt(string $field) : string {
        return "CAST({$field} AS UNSIGNED)";
    }

}