AddRowIndex implements Transformation
Read onlyYes
FinalYes
Interfaces
Methods
- __construct() : mixed
- transform() : DataFrame
Methods
__construct()
public
__construct([string $indexColumn = 'index' ][, StartFrom $startFrom = StartFrom::ZERO ]) : mixed
Parameters
- $indexColumn : string = 'index'
- $startFrom : StartFrom = StartFrom::ZERO
transform()
public
transform(DataFrame $dataFrame) : DataFrame
Parameters
- $dataFrame : DataFrame