Op 18-02-10 19:44, Stefan Manegold schreef: > because it is built on an intermediate result (base BAT plus delta BATs > applied) that is gone, again after the query has been executed.
I really feel I have learnt something now :) thanks :) Given this information, is there a way to get the cost function to be optimised? Either by taking reuse in account, or otherwise by the modifying the size? (Or more futuristic, storing the choice and the performance.) Stefan ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Monetdb-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/monetdb-developers
