Column Selection Processor

Modified on Tue, 30 Nov 2021 at 01:13 PM


Selects a subset of columns from an input dataset and forwards it for further processing.

Column selection is usually a pre-step for aggregation.


The column selection processor operates on any kind of input dataset.



The processor returns the selected columns with the same number of entries (lines).


In the following example we're using an accommodation input dataset. The goal is to output the average accommodation price in each city.

Example Input


Example Configuration


Selection Result

Aggregation Result

We group by the location and use the average as an aggregation function to get the following result.

Related Articles

Group By Aggregation Processor

Was this article helpful?

That’s Great!

Thank you for your feedback

Sorry! We couldn't be helpful

Thank you for your feedback

Let us know how can we improve this article!

Select atleast one of the reasons

Feedback sent

We appreciate your effort and will try to fix the article