private SelectQueryOperatorResults(
QueryResults <TInput> childQueryResults, SelectQueryOperator <TInput, TOutput> op,
QuerySettings settings, bool preferStriping)
: base(childQueryResults, op, settings, preferStriping)
{
Debug.Assert(op._selector != null);
_selector = op._selector;
Debug.Assert(_childQueryResults.IsIndexible);
_childCount = _childQueryResults.ElementsCount;
}
private int _childCount; // The number of elements in child results
public static QueryResults <TOutput> NewResults(
QueryResults <TInput> childQueryResults, SelectQueryOperator <TInput, TOutput> op,
QuerySettings settings, bool preferStriping)
{
if (childQueryResults.IsIndexible)
{
return(new SelectQueryOperatorResults(childQueryResults, op, settings, preferStriping));
}
else
{
return(new UnaryQueryOperatorResults(childQueryResults, op, settings, preferStriping));
}
}
private SelectQueryOperatorResults(QueryResults <TInput> childQueryResults, SelectQueryOperator <TInput, TOutput> op, QuerySettings settings, bool preferStriping) : base(childQueryResults, op, settings, preferStriping)
{
this.m_selector = op.m_selector;
this.m_childCount = base.m_childQueryResults.ElementsCount;
}