Hi,

I need to do a polymorphic association but i want to save the field
XXX_type in an other table, like that :

Table: USERS
- id
- name

Table: CITY
- id
- name

Table: STATES
- id
- name

Table: MANDATES
- id
- name
- place_type = city or states

Table: ELECTED
- id
- user_id
- mandate_id
- place_id -> id of CITY.id or STATES.id  depending on
MANDATES.place_type related by mandate_id

How can I do that with rails ??
I hope you understood me, if not, tell me I can try to explain.
Sorry for my english !

Adrien

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