Numbering rows
Using the ROW_NUMBER
windowing function aggregate is how to assign row numbers. ROW_NUMBER
is part of Windowing Functions and that topic too complex for this tutorial. See the Windowing Functions documentation for details. However, for now we do want to show you the proper way to number rows in U-SQL using ROW_NUMBER
because it is a popular topic.
@rs1 =
SELECT
ROW_NUMBER() OVER ( ) AS RowNumber,
Start,
Region
FROM @searchlog;