AddIndexColumn / Manipulation Layer

Create a new column containing row position numbers (0-based indexing). Similar to pandas' reset_index() or R's row_number().

Key features:

Sequential integer assignment
Zero-based numbering
Preserves existing data

Common applications:

Row identification
Position tracking
Order preservation
Cross-reference creation
Before/after analysis

Example: A dataset with 5 rows will get indices [0,1,2,3,4], useful for tracking original row positions after sorting or filtering operations.

Table

AsColumn

name

Name for the new column. If not provided, the system generates a unique name. If AsColumn matches an existing column, the existing column is replaced. The name should follow valid column naming conventions.