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Quering 3 entities with Sequelize

D. Anubi
1#
D. Anubi Published in 2017-12-07 08:50:51Z

I have 3 entities, I want to find a group of elements based on one parameter. Example:

A(id,...) B(id,id_A) C(id,..id_A,id_B)

I have already done all relationship. My goal is to insert in a query in javascript that takes in input A_id and the results are all B that containing C.

I Try with something like that but I'm stuck:

return C.findAll({attributes: ['id','username'] ,
  where : {
    id_A : A.id
  }
}).then(C => {
  //I DON'T KNOW HOW TO CONTINUE
  })
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