Beispiel #1
0
 // Ditto for getNonCumulativeCost
 public RelOptCost getCumulativeCost(RelNode rel) {
   RelOptCost cost = RelMetadataQuery.getNonCumulativeCost(rel);
   List<RelNode> inputs = rel.getInputs();
   for (RelNode input : inputs) {
     cost = cost.plus(RelMetadataQuery.getCumulativeCost(input));
   }
   return cost;
 }