There isn't an optimizer yet that knows how to use this information. It would probably live at the Logical Optimizer level. There's an interface for loaders to provide statistics about their data, you can start by making sure your loaders implement it, and go from there.
D On Mon, Nov 14, 2011 at 1:36 PM, Patryk Mastela <[email protected]> wrote: > Hi, > > If there is information available about the data (e.g. computed averages > over a certain column) where in the code should we start looking to to get > this information and actually use it for the execution? > > Thanks, > > Patryk >
