Row Numbering

Type

transform

Class

fire.nodes.etl.NodeRowNumbering

Fields

Name	Title	Description
outputCol	Output Column	Name for output column

Details

Row Numbering Node

Overview:

The Row Numbering node adds a new column to a DataFrame, assigning a unique row number to each row. This can be useful for various data processing tasks, such as tracking row order or identifying specific rows.

Input:

None

Output:

Output Column: The name of the new column to store the row numbers.

Examples

Example:

Let’s assume we have a DataFrame with the following data:

id column1 column2

1 A 10

2 B 20

3 C 30

Configure the Node:

Output Column: row_id

Node Execution:

The node will add a new column row_id to the DataFrame, assigning sequential numbers to each row:

id column1 column2 row_id

1 A 10 1

2 B 20 2

3 C 30 3