node.js - 通过 sails.js 中的关联

Question

前一段时间我问如何执行“通过协会”。 我有以下表格:

genres
+-----------+--------------+------+-----+
| Field     | Type         | Null | Key |
+-----------+--------------+------+-----+
| id        | int(6)       | NO   | PRI | 
| slug      | varchar(255) | NO   |     |
| parent_id | int(11)      | YES  | MUL | 
+-----------+--------------+------+-----+
genres_radios
+----------+--------+------+-----+
| Field    | Type   | Null | Key |
+----------+--------+------+-----+
| genre_id | int(6) | NO   | MUL |
| radio_id | int(6) | NO   | MUL |
+----------+--------+------+-----+
radios
+-----------+--------------+------+-----+
| Field     | Type         | Null | Key |
+-----------+--------------+------+-----+
| id        | int(5)       | NO   | PRI | 
| slug      | varchar(100) | NO   |     |
| url       | varchar(100) | NO   |     | 
+-----------+--------------+------+-----+

答案就在那里:Sails.js associations .

现在我想知道，如果我在 genres_radios 表中有一个新字段，例如:

genres_radios
+----------+--------+------+-----+
| Field    | Type   | Null | Key |
+----------+--------+------+-----+
| genre_id | int(6) | NO   | MUL |
| new_field| int(10)| NO   |     |
| radio_id | int(6) | NO   | MUL |
+----------+--------+------+-----+

如何在进行连接时获取该属性？

Answer 1

还没有实现。引用 Waterline's documentation :

Many-to-Many Through Associations

Many-to-Many through associations behave the same way as many-to-many associations with the exception of the join table being automatically created for you. This allows you to attach additional attributes onto the relationship inside of the join table.

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