From an existing query: Right-click a query whose value is a simple non-structured constant, such as a date, text, or number, and then selectConvert to Parameter. You can also convert a parameter to a query by right-clicking the parameter and then selectingConvert To Query. ...
Parameters are saved in a simple parameter query, but are separate from the data queries they are used in. Once created, you can add a parameter to queries as needed. NoteIf you want the other way to create parameter queries, seeCreate a parameter query in Microsoft Qu...
This will add a column to the right of the PopulationStatistics query called CountryFilter, but we don't need that, so just right-click it and select Remove. I then repeat the whole merge process for the LandUse query (or whatever other query has country in it), then use H...
Power Query M 复制 // The getNextPage function takes a single argument and is expected to return a nullable table Table.GenerateByPage = (getNextPage as function) as table => let listOfPages = List.Generate( () => getNextPage(null), // get the first page of data (lastPage) =>...
Because I'm using an inner join, this has the effect of removing rows from the PopulationStatistics table that don't exist in the CountryFilter query. This will add a column to the right of the PopulationStatistics query called CountryFilter, but we don't need that, ...
這些函式會存取資料並傳回語言資料表值。 這些函式大部分都會傳回稱為導覽資料表的資料表值。 導覽資料表主要是由 Power Query 使用者介面使用,針對可能傳回的大型階層式資料集提供導覽體驗。 展開表格 名稱描述 AccessControlEntry.ConditionToIdentities傳回條件會接受的身分識別清單。
parameter-name parameter-type function-return-type: assertion assertion: asnullable-primitive-type 評估function-type的結果是一個類型值,其基本類型為function。 下列範例示範宣告函式類型的語法: Power Query M type function (x as text) as number type function (y as number, optional z as text) as an...
在每个参数中只能指定一个 ParameterSetName 值,在每个 参数 属性中只能指定一个 ParameterSetName 参数。 若要在多个参数集合中包括一个参数,请增加额外的 参数 属性。以下示例将 Summary 参数显式添加到 Computer 和User 参数集。 Summary 参数在 Computer 参数集中是可选的,User 参数集中是必需的。
In Power Query, once queries have been shared by data stewards or other business users using Power BI for Office 365, these shared queries become available in the Power BI metadata repository. Users in the organization can find and use queries that are s
With Power Query, you can add a conditional column to your query. You can define IF-THEN-ELSE conditions in your query. When the conditions are fulfilled, the conditional column will automatically display the values that you specified.