How to use

computeSelfCost

method

in

org.apache.calcite.rel.core.Window

@Override
public RelOptCost computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq) {
  return super.computeSelfCost(planner, mq).multiplyBy(.05);
}

 @Override public RelOptCost computeSelfCost(RelOptPlanner planner,
                       RelMetadataQuery mq) {
  RelOptCost cost = super.computeSelfCost(planner, mq);
  return cost.multiplyBy(WINDOW_COST_FACTOR);
 }
}

@Override public RelOptCost computeSelfCost(RelOptPlanner planner,
  RelMetadataQuery mq) {
 return super.computeSelfCost(planner, mq)
   .multiplyBy(BindableConvention.COST_MULTIPLIER);
}

@Override public RelOptCost computeSelfCost(RelOptPlanner planner,
  RelMetadataQuery mq) {
 return super.computeSelfCost(planner, mq)
   .multiplyBy(BindableConvention.COST_MULTIPLIER);
}

public RelOptCost computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq) {
 return super.computeSelfCost(planner, mq)
   .multiplyBy(EnumerableConvention.COST_MULTIPLIER);
}

public RelOptCost computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq) {
 return super.computeSelfCost(planner, mq)
   .multiplyBy(EnumerableConvention.COST_MULTIPLIER);
}

@Override
public RelOptCost computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq) {
  return super.computeSelfCost(planner, mq).multiplyBy(.05);
}