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我正在尝试使用柴油和 mysql 建立模型。我的第一个模型编译没有问题，但是当我的第二个模型（用于将新条目插入到我的数据库中的模型）尝试推导时，Insertable我收到了大量错误，指出diesel can't use f64, u16, 或NaiveDateTime

error[E0277]: the trait bound `u16: diesel::Expression` is not satisfied
  --> src/models.rs:26:10
   |
26 | #[derive(Insertable, Debug, Queryable)]
   |          ^^^^^^^^^^ the trait `diesel::Expression` is not implemented for `u16`
   |
   = note: required because of the requirements on the impl of `diesel::expression::AsExpression<diesel::sql_types::Unsigned<diesel::sql_types::Integer>>` for `u16`
   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0277]: the trait bound `chrono::naive::datetime::NaiveDateTime: diesel::Expression` …