Table.PromoteHeaders
This topic applies to the Power Query Formula Language which can be used with Power Query and Power BI Desktop to build queries that mashup data. See the list of function categories.
Table.PromoteHeaders(table as table, optional options as nullable record) as table
Promotes the first row of values as the new column headers (i.e. column names). By default, only text or number values are promoted to headers. Valid options: PromoteAllScalars : If set to true, all the scalar values in the first row are promoted to headers using the Culture, if specified (or current document locale). For values that cannot be converted to text, a default column name will be used. Culture : A culture name specifying the culture for the data.
Promote the first row of values in the table.
Table.PromoteHeaders(Table.FromRecords({[Column1 = "CustomerID", Column2 = "Name", Column3 = #date(1980,1,1)], [Column1 = 1, Column2 = "Bob", Column3 = #date(1980,1,1)]}))
| CustomerID | Name | Column3 |
|---|---|---|
| 1 | Bob | 1/1/1980 12:00:00 AM |
Promote all the scalars in the first row of the table to headers.
Table.PromoteHeaders(Table.FromRecords({[Rank = 1, Name = "Name", Date = #date(1980,1,1)],[Rank = 1, Name = "Bob", Date = #date(1980,1,1)]}), [PromoteAllScalars = true, Culture = "en-US"])
| 1 | Name | 1/1/1980 |
|---|---|---|
| 1 | Bob | 1/1/1980 12:00:00 AM |