Region annotation with query



I was investigating query annotations (postgres in my case):
And I can implement simple annotation using query below. But seems I cannot create region annotation.

using API I can create region annotation

Isn’t it a good idea to have such possibility to do it with query not only API:
Query can look like :

or hard coded example:

I want to create feature request on github but would like to know what people think here.


I think it is very necessary!