MySQL 按问题排序


mysql group by order by issue

我的问题是:

我有一个这样的日期库:

| from |  to  | time |   text   | read |
| hans | poul | 0916 | hi there |   1  |
| john | poul | 1033 | waz up   |   1  |
| hans | john | 1145 | new text |   0  |
| poul | john | 1219 | message  |   0  |
| poul | hans | 1233 | respond  |   0  |

我想要一个输出,其中每个"从"或"到"都有"hans"列出,分组并按时间排序,如下所示:

poul - 1233 - respond  - 0
john - 1145 - new text - 0

你的sql查询可能是:-

select * from `table_name` where (`from` ='hans' or `to` ='hans') group by `from`, `to` order by time desc

如果您发现任何困难,请回发。