in // if we didn't get back any pages of data, return an empty table // otherwise set the table type based on the columns of the first page if (firstRow = null) then Table.FromRows({}) // check for empty first table else if (Table.IsEmpty(firstRow[Column1])) then firstRow[...
Power Query M 复制 // Check for $count. If all we want is a row count, // then we add /$count to the path value (following the entity name). urlWithRowCount = if (state[RowCountOnly]? = true) then urlWithEntity & "/$count" else urlWithEntity, 新的Table.RowCount 单元测试现...
Power Query M Table.SelectColumns( Table.FromRecords({[CustomerID = 1, Name = "Bob", Phone = "123-4567"]}), "NewColumn" ) 输出 [Expression.Error] The field 'NewColumn' of the record wasn't found. 示例4 如果包含的列不存在,选项MissingField.UseNull会创建一个包含 null 值的列。
However, if your file has a dimension attribute that points to multiple cells (such as <dimension ref="A1:AJ45000"/>), Power Query uses this range to find the starting row and column as well as the ending row and column. If this range doesn't contain all the data on the sheet, som...
However, if your file has a dimension attribute that points to multiple cells (such as<dimension ref="A1:AJ45000"/>), Power Query uses this range to find the starting row and columnas well as the ending row and column. If this range doesn't contain all the data on the sheet, some ...
创建一个表,其中每行的列数不同。 缺少的行值为 NULL。 使用情况 Power Query M Table.FromColumns( { {1, 2, 3}, {4, 5}, {6, 7, 8, 9} }, {"column1", "column2", "column3"} ) 输出 Power Query M Table.FromRecords({ [column1 = 1, column2 = 4, column3 = 6], [column1...
Thank you again Oliver, this works and now creates the Filtered Passes column that I need. Is there a way where after running this query I am able to keep all of the other columns I have filtered for on line 4, so that they stay in the final table? Right now it ...
Connection: Query - Output Error: COM error: Microsoft.Sql.Analysis.ASOnPremisesDataAccess, Failed discovery for connection string provider=Microsoft.Mashup.OleDb.1;data source=$Workbook$;location="Cost Centre Mapping Table". A connection could not be made to the data source with the DataSourceID...
may I ask what is the problem seems like? i tried this code with other file, and it works for other files...error message:Unexpected error: Value cannot be null. Parameter name: key Details: Microsoft.Mashup.Evaluator.Interface.ErrorException: Value cannot be null....
excel 如何将值列表与Power Query中的表匹配//you dont need this step, but speeds up the process ...