问题描述
我想计算相同ID的总和并显示在每条记录中。预期样本如下所示
解决方法
使用分析SUM():
SELECT
Code,SUM(Value) OVER (PARTITION BY Code) as Value
FROM mytable;
,
通过窗口求和应该可以保持每条记录的总和。 ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING
确保将所有值都考虑在内
SELECT
Code,SUM(Value) OVER (PARTITION BY Code ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING)
FROM
mytable;
,
通过代码从您的表名组中选择ID,sum(值)