Vertical bar with scripted request

[aberrada (Adnane berrada)]

I want to create a vertical bar containing this aggregation : sum(col1) / sum(col2)

Is there a way to do this?
Thanks.

[ppisljar (Peter Pisljar)]

that should be possible to do with timelion or visual builder.

here is a sample config from visual builder:

[aberrada (Adnane berrada)]

Thank you for you response.
I did this but in visual builder i dont find vertical bar char
Only chart line is available.

[ppisljar (Peter Pisljar)]

[aberrada (Adnane berrada)]

It works.
Thanks.