Sql 获取状态的最高值

Teradata查询如下所示：

Select
a,
b,
MIN(Record_Start_Date) as MIN_Record_Start_Date,
MAX(Record_End_Date) as MAX_Record_End_Date
FROM tbl
GROUP BY 1,2

现在我想添加第三个属性“status”。问题是-我只想要“last”状态-一行的值，最大值为“Record\u End\u Date”

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有人能帮忙吗？

切换到OLAP函数而不是聚合：

SELECT
   a,
   b,
MIN(Record_Start_Date) OVER (PARTITION BY a, b) AS  MIN_Record_Start_Date,
Record_End_Date AS MAX_Record_End_Date,
Status
FROM tbl
QUALIFY 
   ROW_NUMBER() 
   OVER (PARTITION BY a,b 
         ORDER BY Record_End_date DESC) = 1

---

切换到OLAP函数而不是聚合：

SELECT
   a,
   b,
MIN(Record_Start_Date) OVER (PARTITION BY a, b) AS  MIN_Record_Start_Date,
Record_End_Date AS MAX_Record_End_Date,
Status
FROM tbl
QUALIFY 
   ROW_NUMBER() 
   OVER (PARTITION BY a,b 
         ORDER BY Record_End_date DESC) = 1

---

max（Record\u End\u Date）

不是在teradata上工作吗？我想要STATUS列的值-Record\u End\u Date=max（Record\u End\u Date）不是

max（Record\u End\u Date）

在teradata上工作吗？我想要STATUS列的值-Record\u End\u Date=max（Record\u End\u Date）的值