i have table with this structure
我有这种结构的表
id |from_id |to_id |date
1 |1 |3 |25
2 |1 |3 |24
3 |2 |3 |28
4 |2 |3 |20
5 |2 |3 |30
ii have table with this structure
我有这种结构的表
id |from_id |to_id |date
1 |1 |3 |25
2 |1 |3 |24
3 |2 |3 |28
4 |2 |3 |20
5 |2 |3 |30
i