Combine the functions exposed by the Cognite Data Fusion (REST API) connector for Power BI with Power Query to fetch and transform data with the Cognite API to create reports dashboards with Microsoft Power BI
那在Power Query中有个参数管理的选项你有用到过吗? 此外通过设置参数,可以很方便的创建自定义函数。例如在使用导入文件夹数据时,通常会让我们填写文件夹目录地址参数内容,如图1所示。通过下拉菜单,可以发现其有可选择的参数。 通过新建参数设置的参数的格式有以下几种,如图2所示。 因为是操作导入文件夹数据,所以这里...
Understanding Power Query M functions Accessing data functions Binary functions Combiner functions Comparer functions Date functions DateTime functions DateTimeZone functions Duration functions Error handling functions Expression functions Function values Lines functions List functions Logical functions Number functions...
Power Query M Functions By 张文洲 Power Query M Functions 2017-2-19 ACCESS.DATABASE 18 ACTIVEDIRECTORY.DOMAINS 18 ADODOTNET.DATASOURCE 18 ADODOTNET.QUERY 18 ANALYSISSERVICES.DATABASE 18 ANALYSISSERVICES.DATABASES 19 ANY.TYPE 19 AZURESTORAGE.TABLES 19 BINARY.BUFFER 20 BINARY.COMBINE 20 BINARY....
Understanding Power Query M functions Accessing data functions Binary functions Combiner functions Comparer functions Date functions DateTime functions DateTimeZone functions Duration functions Error handling functions Expression functions Function values Lines functions List functions List functions overview List.Acc...
The transformation engine in Power Query includes many prebuilt transformation functions that can be used through the graphical interface of the Power Query editor. These transformations can be as simple as removing a column or filtering rows, or as common as using the first row as a table heade...
Power Query M DataAccessFunction = (url as text) as table => let _url = ValidateUrlScheme(url), source = Web.Contents(_url) in source; 检索数据 Value.WaitFor 发出异步 HTTP 请求并且需要在请求完成之前轮询服务器时,此函数非常有用。
在Power Query中当出现错误时,会出现的错误提示的原因,如图。 ?...如果这些错误在产生前就能预判,并给与一定的提醒,那对于后续的使用会非常的方便,即使发生了错误,也能知道错误的原因以及怎么去修改错误。怎么去判断是否错误呢?...那有没有可能自定义这些提醒的内容
In Power Query, if you want to get today’s date (current date in a column), you need to add a custom column by using two functions together. Note: Use the formula DateTime.Date( DateTime.LocalNow() ) to get today’s date using power query. ...
Power Query M 公式语言的快速导览 Power Query M 语言规范 Power Query M 类型系统 表达式、值和 let 表达式 注释 计算模型 运算符 类型转换 元数据 错误 文本格式 函数 函数概述 了解Power Query M 函数 数据访问函数 二进制函数 合并器函数 比较器函数 ...