例如first、sum等聚合函数输出的是标量,不是聚合计算的就是向量。
示例代码如下:
t = table(`a as id, 2010.01.01 as date) a = exec id from t typestr(a) //STRING VECTOR b = exec first(id) from t typestr(b) //STRING
例如first、sum等聚合函数输出的是标量,不是聚合计算的就是向量。
示例代码如下:
t = table(`a as id, 2010.01.01 as date) a = exec id from t typestr(a) //STRING VECTOR b = exec first(id) from t typestr(b) //STRING