3 ms·
Maybe I'm too inexperienced in this field but reading the mechanism I think this would be an obvious optimisation. Is it not? But credit where it is due, obvio
by simianwords 2y ago
Maybe I'm too inexperienced in this field but reading the mechanism I think this would be an obvious optimisation. Is it not?
But credit where it is due, obviously clickhouse is an industry leader.
- ahofmann 2y agoObvious solutions are often hard to do right. I bet the code that was needed to pull this off is either very complex or took a long time to write (and test). Or both.
- ryanworl 2y agoThis is a well-known class of optimization and the literature term is “late materialization”. It is a large set of strategies including this one. Late materialization is about as old as column stores themselves.