我需要一个将item_code字段拆分成多行的mysql查询。
来自这个
order_no | date | time | store_id | authorised_by | item_code
1 | 22/10/2014 | 11:58PM | 3674 | AAA | 773,724,638,698,782
2 | 23/10/2014 | 08:13AM | 219 | BBB | 638,625,891
到这个
order_no | date | time | store_id | authorised_by | item_code
1 | 22/10/2014 | 11:58PM | 3674 | AAA | 773,724,638,698,782
| | | 3674 | | 724
| | | 3674 | | 638
| | | 3674 | | 698
| | | 3674 | | 782
2 | 23/10/2014 | 08:13AM | 219 | BBB | 638,625,891
| | | 219 | | 638
| | | 219 | | 625
| | | 219 | | 891