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Table.SelectColumns
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.
Returns a table that contains only specific columns.
Table.SelectColumns(table as table, columns as any, optional missingField as any) as table
| Argument | Description |
|---|
| table | The Table to modify. |
| columns | The list of columns to copy. |
| optional missingField | The default value of missingField is MissingField.Error. For more information, see Parameter Values. |
- Table.SelectColumns is similar to Record.SelectFields applied to every row in a table.
Table.SelectColumns(Table.FromRecords(
{
[CustomerID = 1, Name = "Bob", Phone = "123-4567"],
[CustomerID = 2, Name = "Jim", Phone = "987-6543"] ,
[CustomerID = 3, Name = "Paul", Phone = "543-7890"] ,
[CustomerID = 4, Name = "Ringo", Phone = "232-1550"]
}
), "Name")
Table.SelectColumns(Table.FromRecords({
[CustomerID=1, Name="Bob", Phone = "123-4567"]}), {"CustomerID", "Name"})
Table.SelectColumns(Table.FromRecords({
[CustomerID=1, Name = "Bob", Phone = "123-4567" ]}), {"CustomerID", "NewColumn"}, MissingField.UseNull)