private static NullScanAlgebraNode CreateNullScan(RowBufferEntry[] outputList)
{
NullScanAlgebraNode result = new NullScanAlgebraNode();
result.OutputList = outputList;
return(result);
}
public override AstElement Clone(Dictionary<AstElement, AstElement> alreadyClonedElements)
{
NullScanAlgebraNode result = new NullScanAlgebraNode();
result.StatisticsIterator = StatisticsIterator;
result.OutputList = ArrayHelpers.Clone(OutputList);
return result;
}
public override AlgebraNode VisitNullScanAlgebraNode(NullScanAlgebraNode node)
{
foreach (RowBufferEntry entry in node.OutputList)
NameEntry(entry, EXPRESSION_NAME_FMT_STR);
return node;
}
public override AstElement Clone(Dictionary <AstElement, AstElement> alreadyClonedElements)
{
NullScanAlgebraNode result = new NullScanAlgebraNode();
result.StatisticsIterator = StatisticsIterator;
result.OutputList = ArrayHelpers.Clone(OutputList);
return(result);
}
public override AlgebraNode VisitNullScanAlgebraNode(NullScanAlgebraNode node)
{
foreach (RowBufferEntry entry in node.OutputList)
{
NameEntry(entry, EXPRESSION_NAME_FMT_STR);
}
return(node);
}
public override AlgebraNode VisitNullScanAlgebraNode(NullScanAlgebraNode node)
{
PropertyListBuilder propertyListBuilder = new PropertyListBuilder();
propertyListBuilder.Write(Resources.ShowPlanKeyEmpty, Boolean.TrueString);
AddRowBufferEntries(propertyListBuilder, Resources.ShowPlanGroupOutputList, node.OutputList);
AddStatistics(propertyListBuilder, node.StatisticsIterator);
IList <ShowPlanProperty> properties = propertyListBuilder.ToList();
ShowPlanElement element = new ShowPlanElement(ShowPlanOperator.ConstantScan, properties);
_currentElement = element;
return(node);
}
public override AlgebraNode VisitNullScanAlgebraNode(NullScanAlgebraNode node)
{
NullIterator nullIterator = new NullIterator();
nullIterator.RowBuffer = new object[node.OutputList.Length];
SetLastIterator(node, nullIterator);
return node;
}
private static NullScanAlgebraNode CreateNullScan(RowBufferEntry[] outputList)
{
NullScanAlgebraNode result = new NullScanAlgebraNode();
result.OutputList = outputList;
return result;
}
public override AlgebraNode VisitNullScanAlgebraNode(NullScanAlgebraNode node)
{
node.OutputList = RemovedUnneededRowBufferColumns(node.OutputList);
return(base.VisitNullScanAlgebraNode(node));
}
public virtual AlgebraNode VisitNullScanAlgebraNode(NullScanAlgebraNode node)
{
return(node);
}
public virtual AlgebraNode VisitNullScanAlgebraNode(NullScanAlgebraNode node)
{
return node;
}
public override AlgebraNode VisitNullScanAlgebraNode(NullScanAlgebraNode node)
{
node.OutputList = new RowBufferEntry[0];
return(node);
}
public override AlgebraNode VisitNullScanAlgebraNode(NullScanAlgebraNode node)
{
node.OutputList = new RowBufferEntry[0];
return node;
}
public override AlgebraNode VisitNullScanAlgebraNode(NullScanAlgebraNode node)
{
PropertyListBuilder propertyListBuilder = new PropertyListBuilder();
propertyListBuilder.Write(Resources.ShowPlanKeyEmpty, Boolean.TrueString);
AddRowBufferEntries(propertyListBuilder, Resources.ShowPlanGroupOutputList, node.OutputList);
AddStatistics(propertyListBuilder, node.StatisticsIterator);
IList<ShowPlanProperty> properties = propertyListBuilder.ToList();
ShowPlanElement element = new ShowPlanElement(ShowPlanOperator.ConstantScan, properties);
_currentElement = element;
return node;
}
