如何在Django Admin中使用raw_id_fields时优化查询次数

I have a data model as below:

我有一个数据模型如下:

class Candidate(models.Model):
    name = models.CharField()

class Skill(models.Model):
    name = models.CharField()

class CandidateSkill(models.Model):
    candidate = models.ForeignKey(Candidate)
    skill = models.ForeignKey(Skill, related_name='candidate_skills')
    proficiency = models.CharField()
c