我具有以下模型结构:技能意图(SkillId的外键)技巧(IntentId的外键)插槽(UtteranceId的外键)意图模型public class Intent { [Key] public int Id { get; set; } [ForeignKey("Skill")] public int? SkillId { get; set; } public string Description { get; set; } public virtual Skill Skill { get; set; } public virtual List<Utterance> Utterances { get; set; } }话语模型 public class Utterance { [Key] public int Id { get; set; } [ForeignKey("Intent")] public int IntentId { get; set; } public string Utterancetext { get; set; } public virtual Intent Intent { get; set; } public virtual List<Slot> Slots { get; set; } }插槽型号public class Slot{ [Key] public int Id { get; set; } [ForeignKey("Utterance")] public int UtteranceId { get; set; } public string SlotValue { get; set; } public SlotDataTypes SlotDataType { get; set; } public virtual Utterance Utterance { get; set; }}实体框架流利的API modelBuilder.Entity<Intent>() .HasOptional(i => i.Skill) .WithMany(sk => sk.Intents) .HasForeignKey(i => i.SkillId); modelBuilder.Entity<Utterance>() .HasRequired(x => x.Intent) .WithMany(x => x.Utterances) .HasForeignKey(x => x.IntentId); modelBuilder.Entity<Slot>() .HasRequired(x => x.Utterance) .WithMany(x => x.Slots) .HasForeignKey(x => x.UtteranceId);在我的数据访问服务中,我有一种方法应获取“意图”>“话语”>“插槽”。var intents = ctx.Intents.Include(x => x.Utterances).Include("Utterances.Slots").ToList(); //<-- utterances are populated, slots count is 0var utterances = ctx.Utterances.Include(x => x.Slots).ToList(); // utterances are populated, slots are populatedvar slots = ctx.Slots.ToList(); // slots are populated return intents;我需要的第一个电话是让我了解所有意图,它们的相关发音以及与发音相关的位置。尽管数据库中肯定有插槽,但说话总是在填充,但插槽始终为零,第二次调用证明了这一点,因为如果我只是直奔Utterances并包含Slot,我会重新获得插槽。从Intent导航一直到Slots,我在哪里出错?
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