C++ (Cpp) ValueIdSet::insertList示例

void MultiJoin::getPotentialOutputValues(ValueIdSet & outputValues) const
{
  outputValues.clear();

  CANodeIdSet jbbcs = jbbSubset_.getJBBCs();

  Int32 arity = getArity();

  for (Lng32 i = 0; i < arity; i++)
  {
	  JBBC * jbbci =
        child(i)->getGroupAnalysis()->getNodeAnalysis()->getJBBC();

	  if(jbbci->parentIsLeftJoin())
        outputValues.insertList(jbbci->nullInstantiatedOutput());
      else
        // Default implementation is good enough for innerNonSemi multi join
        outputValues += child(i).getGroupAttr()->getCharacteristicOutputs();
  }
} // MultiJoin::getPotentialOutputValues()