How to use

getExprCount

method

in

org.apache.calcite.rex.RexProgram

@Override public RelOptCost computeSelfCost(RelOptPlanner planner,
  RelMetadataQuery mq) {
 double dRows = mq.getRowCount(this);
 double dCpu = mq.getRowCount(getInput())
   * program.getExprCount();
 double dIo = 0;
 return planner.getCostFactory().makeCost(dRows, dCpu, dIo);
}

@Override public RelOptCost computeSelfCost(RelOptPlanner planner,
  RelMetadataQuery mq) {
 double dRows = mq.getRowCount(this);
 double dCpu = mq.getRowCount(getInput())
   * program.getExprCount();
 double dIo = 0;
 return planner.getCostFactory().makeCost(dRows, dCpu, dIo);
}

public RelOptCost computeSelfCost(RelOptPlanner planner,
  RelMetadataQuery mq) {
 double dRows = mq.getRowCount(this);
 double dCpu = mq.getRowCount(getInput())
   * program.getExprCount();
 double dIo = 0;
 return planner.getCostFactory().makeCost(dRows, dCpu, dIo);
}

public RelOptCost computeSelfCost(RelOptPlanner planner,
  RelMetadataQuery mq) {
 double dRows = mq.getRowCount(this);
 double dCpu = mq.getRowCount(getInput())
   * program.getExprCount();
 double dIo = 0;
 return planner.getCostFactory().makeCost(dRows, dCpu, dIo);
}

final int[] adjustments = new int[calc.getProgram().getExprCount()];
if (rightJoinChild == calc.getInput()) {
 int offset = leftJoinChild.getRowType().getFieldList().size();