本文整理了Java中org.apache.calcite.rel.core.Aggregate.computeSelfCost()方法的一些代码示例，展示了Aggregate.computeSelfCost()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Aggregate.computeSelfCost()方法的具体详情如下：
包路径：org.apache.calcite.rel.core.Aggregate
类名称：Aggregate
方法名：computeSelfCost

Aggregate.computeSelfCost介绍

暂无

代码示例

代码示例来源：origin: apache/kylin

/**
 * Since the grouping aggregate will be expanded by {@link org.apache.kylin.query.optrule.AggregateMultipleExpandRule},
 * made the cost of grouping aggregate more expensive to use the expanded aggregates
 */
@Override
public RelOptCost computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq) {
  RelOptCost cost;
  if (getGroupType() == Group.SIMPLE) {
    cost = super.computeSelfCost(planner, mq).multiplyBy(.05);
  } else {
    cost = super.computeSelfCost(planner, mq).multiplyBy(.05).plus(planner.getCost(getInput(), mq))
        .multiplyBy(groupSets.size() * 1.5);
  }
  return cost;
}

代码示例来源：origin: Qihoo360/Quicksql

@Override public RelOptCost computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq) {
 return super.computeSelfCost(planner, mq).multiplyBy(0.1);
}

代码示例来源：origin: org.apache.kylin/kylin-query

/**
 * Since the grouping aggregate will be expanded by {@link org.apache.kylin.query.optrule.AggregateMultipleExpandRule},
 * made the cost of grouping aggregate more expensive to use the expanded aggregates
 */
@Override
public RelOptCost computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq) {
  RelOptCost cost;
  if (getGroupType() == Group.SIMPLE) {
    cost = super.computeSelfCost(planner, mq).multiplyBy(.05);
  } else {
    cost = super.computeSelfCost(planner, mq).multiplyBy(.05).plus(planner.getCost(getInput(), mq))
        .multiplyBy(groupSets.size() * 1.5);
  }
  return cost;
}

代码示例来源：origin: org.apache.drill.exec/drill-java-exec

return super.computeSelfCost(planner, mq).multiplyBy(.1);