private RelOptCost costDiff(String reflection) { RelOptCost costWithReflection = bestWithReflectionMap.get(reflection).cost; if (costWithReflection == null) { return null; } return costWithReflection.minus(bestCost); } }
private RelOptCost costDiff(String reflection) { RelOptCost costWithReflection = bestWithReflectionMap.get(reflection).cost; if (costWithReflection == null) { return null; } return costWithReflection.minus(bestCost); } }