Hi Maurin,
if I understand our correctly, then Impala already works the way you want
it to.
In your example, col1 and col2 will not be materialized and the coalesce()
function will not be executed at all.
Are you running into a specific issue with views that you want to fix?
Maybe I'm
Hi,
I am working on some big data related technology.
And I am trying to get a sense on how hard will it be to enhance the views
in impala so whenever someone query a view, not all the columns of that
view are computed but only the necessary columns for that particular query.
A simple exemple