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我正在尝试构建查询投影，但遇到以下错误消息：

Type mismatch: inferred type is KClass<GenderStatistics> but Class<TypeVariable(T)!>! was expected

导致问题的代码：

  fun status(): String {
    val query = accRepo.find("""
      select g.abbr as abbr, g.description as description, count(p) as quantity
        from Account a
        inner join a.gender as g
        group by g.abbr, g.description
      """.trimIndent())
        .project(GenderStatistics::class)

该方法project需要类型Class<TypeVariable(T)!>!，但我传递了错误的类型。如何在 Kotlin 中传递正确的类型？在 Java 中，它将是GenderStatistics.class

GenderStatistics定义为：

@RegisterForReflection
class GenderStatistics(val abbr: String, val description: String, val quantity: Int)
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1 回答 1

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尝试改变

GenderStatistics::class

至

GenderStatistics::class.java
于 2021-03-31T10:37:28.313 回答