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SUMMARIZE

概述

根据请求的维度返回一个汇总表。

语法

分析表达式

SUMMARIZE (<table>, <groupBy_columnName>[, <groupBy_columnName>]…[, <name>, <expression>]…)

参数

参数	定义
table	任何返回表的表达式。
groupBy_ColumnName	（可选）用于分组的维度。此参数不能是表达式。
name	为总计或汇总列指定的名称，用双引号括起来。
expression	返回单个标量值的任何分析表达式，其中，表达式将被计算多次（针对每行/上下文）。

返回值

一个表，其中包含 groupBy_columnName 参数的选定列和由 name 参数设计的汇总列。

示例

比如Sales表为：

orderID	Amount	ProductKey
1	10	101
2	17	102
3	9	103
4	12	101

Product表为：

ProductID	Name
101	Apple
102	Egg
103	Rice
104	Juice

分析表达式

SUMMARIZE (Filter('Sales','Sales'[Amount] > 9),'Product'[Name],"total",SUMX('Sales','Sales'[Amount]))

那么使用上面的表达式返回：

Name	total
Apple	22
Egg	17

备注

定义名称的每一列都必须有一个对应的表达式；否则，返回错误。第一个参数 name 定义结果中列的名称。第二个参数表达式定义为获取该列中每一行的值而执行的计算。
groupBy_columnName 必须在_table_或与 table 相关的 table_中_。
每个名称都必须用双引号括起来。
该函数根据一个或多个 groupBy_columnName 列的值将选定的一组行分组为一组汇总行。每组返回一行。