private Iterator ConvertAlgebraNode(AlgebraNode algebraNode)
{
Visit(algebraNode);
Iterator iterator = GetLastIterator();
return(iterator);
}
private void SetLastIterator(AlgebraNode owner, Iterator iterator)
{
if (_includeStatistics && owner.StatisticsIterator == null)
{
owner.StatisticsIterator = new StatisticsIterator();
owner.StatisticsIterator.RowBuffer = iterator.RowBuffer;
owner.StatisticsIterator.Input = iterator;
iterator = owner.StatisticsIterator;
}
_lastIterator = iterator;
}
internal static ShowPlan Build(AlgebraNode root)
{
ShowPlanElement rootElement = ShowPlanBuilder.Convert(root);
return(new ShowPlan(rootElement));
}