MYSql使用HQL计算子查询的总金额

以上HQL不工作。。显示以下异常

意外标记：（靠近第1行第25列）

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HQL子查询只能出现在select或where子句中

例如，有效查询：

@Query(value = "SELECT SUM(amount) FROM (SELECT t1.amount FROM Table1 t1 " 
            + "INNER JOIN t1.table2 t2 "
            + "GROUP BY t1.txnId) a ")
    public double getAmount();

或

资料来源：

我建议使用本机查询代替HQL

select cat.id, (select max(kit.weight) from cat.kitten kit) from Cat as cat 

select c from DomesticCat as cat 
where cat.name not in (
   select name.nickName from Name as name )