运行动态PREPARE语句

Question

目前我正在试验http://buysql.com/mysql/14-how-to-automate-pivot-tables.html 我需要基本的想法来运行下面的动态sql。

表：

+----+---------+---------------+--------+
| id | item_id | property_name | value  |
+----+---------+---------------+--------+
|  1 |       1 | color         | blue   |
|  2 |       1 | size          | large  |
|  3 |       1 | weight        | 65     |
|  4 |       2 | color         | orange |
|  5 |       2 | weight        | 57     |
|  6 |       2 | size          | large  |
|  7 |       3 | size          | small  |
|  8 |       3 | color         | red    |
|  9 |       3 | weight        | 12     |
| 10 |       4 | color         | violet |
| 11 |       4 | size          | medium |
| 12 |       4 | weight        | 34     |
| 13 |       5 | color         | green  |
| 14 |       5 | weight        | 10     |
+----+---------+---------------+--------+

查询

SET @sql = NULL;
SELECT
  GROUP_CONCAT(DISTINCT
    CONCAT(
      'MAX(IF(property_name = ''',
      property_name,
      ''', value, NULL)) AS ',
      property_name
    )
  ) INTO @sql
FROM properties;
SET @sql = CONCAT('SELECT item_id, ', @sql, ' FROM properties GROUP BY item_id');

PREPARE stmt FROM @sql;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;

问题：如何从控制器（任何framwork或pdo）运行此语句并获取已获取的resutls ..

修改 实际上，我正在研究产品数据库。期待来自frontEnd的feature_id。参数数量未知。所以，我正在考虑根据参数创建动态查询。