diplay conversion percentages

[priteshwatch]

I am not sure if this is considered a bug or a new feature, or may be this is already possible.
Just to keep things simple.

We have a dimension called "event", with two possible values "impressions and "clicks".

When we query this data in airbnb caravel on a table view, a group by query is issued and we get the count of impressions and clicks on a table.

Is there a way to add an additional row called "conversion percentage" and calculate this percentage from the two values.

I have looked at the post aggregation option, but did not seem to find any real answer.

[priteshwatch]

Nevermind. I figured i out, using postagg