Re: Smarter views

2017-05-25 Thread Alexander Behm
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

Smarter views

2017-05-25 Thread Maurin Lenglart
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