public override AlgebraNode VisitConcatAlgebraNode(ConcatAlgebraNode node)
{
ConcatenationIterator concatenationIterator = new ConcatenationIterator();
concatenationIterator.RowBuffer = new object[node.OutputList.Length];
concatenationIterator.Inputs = new Iterator[node.Inputs.Length];
concatenationIterator.InputOutput = new IteratorOutput[node.Inputs.Length][];
for (int i = 0; i < concatenationIterator.Inputs.Length; i++)
{
concatenationIterator.Inputs[i] = ConvertAlgebraNode(node.Inputs[i]);
List <IteratorOutput> inputOutputList = new List <IteratorOutput>();
foreach (UnitedValueDefinition unitedValueDefinition in node.DefinedValues)
{
IteratorOutput iteratorOutput = new IteratorOutput();
iteratorOutput.SourceIndex = Array.IndexOf(node.Inputs[i].OutputList, unitedValueDefinition.DependendEntries[i]);
iteratorOutput.TargetIndex = Array.IndexOf(node.OutputList, unitedValueDefinition.Target);
inputOutputList.Add(iteratorOutput);
}
concatenationIterator.InputOutput[i] = inputOutputList.ToArray();
}
SetLastIterator(node, concatenationIterator);
return(node);
}
private static IteratorOutput[] GetIteratorOutput(int offset, RowBufferEntry[] allEntries, RowBufferEntry[] neededEntries)
{
List <IteratorOutput> result = new List <IteratorOutput>(neededEntries.Length);
for (int i = 0; i < allEntries.Length; i++)
{
if (ArrayHelpers.Contains(neededEntries, allEntries[i]))
{
IteratorOutput iteratorOutput = new IteratorOutput();
iteratorOutput.SourceIndex = i;
iteratorOutput.TargetIndex = offset + result.Count;
result.Add(iteratorOutput);
}
}
return(result.ToArray());
}
public override AlgebraNode VisitResultAlgebraNode(ResultAlgebraNode node)
{
ResultIterator resultIterator = new ResultIterator();
resultIterator.RowBuffer = new object[node.OutputList.Length];
resultIterator.Input = ConvertAlgebraNode(node.Input);
resultIterator.InputOutput = new IteratorOutput[node.OutputList.Length];
resultIterator.ColumnNames = new string[node.OutputList.Length];
resultIterator.ColumnTypes = new Type[node.OutputList.Length];
for (int i = 0; i < node.OutputList.Length; i++)
{
IteratorOutput iteratorOutput = new IteratorOutput();
iteratorOutput.SourceIndex = Array.IndexOf(node.Input.OutputList, node.OutputList[i]);
iteratorOutput.TargetIndex = i;
resultIterator.InputOutput[i] = iteratorOutput;
resultIterator.ColumnNames[i] = node.ColumnNames[i];
resultIterator.ColumnTypes[i] = node.OutputList[i].DataType;
}
SetLastIterator(node, resultIterator);
return(node);
}
public override AlgebraNode VisitResultAlgebraNode(ResultAlgebraNode node)
{
ResultIterator resultIterator = new ResultIterator();
resultIterator.RowBuffer = new object[node.OutputList.Length];
resultIterator.Input = ConvertAlgebraNode(node.Input);
resultIterator.InputOutput = new IteratorOutput[node.OutputList.Length];
resultIterator.ColumnNames = new string[node.OutputList.Length];
resultIterator.ColumnTypes = new Type[node.OutputList.Length];
for (int i = 0; i < node.OutputList.Length; i++)
{
IteratorOutput iteratorOutput = new IteratorOutput();
iteratorOutput.SourceIndex = Array.IndexOf(node.Input.OutputList, node.OutputList[i]);
iteratorOutput.TargetIndex = i;
resultIterator.InputOutput[i] = iteratorOutput;
resultIterator.ColumnNames[i] = node.ColumnNames[i];
resultIterator.ColumnTypes[i] = node.OutputList[i].DataType;
}
SetLastIterator(node, resultIterator);
return node;
}
public override AlgebraNode VisitConcatAlgebraNode(ConcatAlgebraNode node)
{
ConcatenationIterator concatenationIterator = new ConcatenationIterator();
concatenationIterator.RowBuffer = new object[node.OutputList.Length];
concatenationIterator.Inputs = new Iterator[node.Inputs.Length];
concatenationIterator.InputOutput = new IteratorOutput[node.Inputs.Length][];
for (int i = 0; i < concatenationIterator.Inputs.Length; i++)
{
concatenationIterator.Inputs[i] = ConvertAlgebraNode(node.Inputs[i]);
List<IteratorOutput> inputOutputList = new List<IteratorOutput>();
foreach (UnitedValueDefinition unitedValueDefinition in node.DefinedValues)
{
IteratorOutput iteratorOutput = new IteratorOutput();
iteratorOutput.SourceIndex = Array.IndexOf(node.Inputs[i].OutputList, unitedValueDefinition.DependendEntries[i]);
iteratorOutput.TargetIndex = Array.IndexOf(node.OutputList, unitedValueDefinition.Target);
inputOutputList.Add(iteratorOutput);
}
concatenationIterator.InputOutput[i] = inputOutputList.ToArray();
}
SetLastIterator(node, concatenationIterator);
return node;
}
private static IteratorOutput[] GetIteratorOutput(int offset, RowBufferEntry[] allEntries, RowBufferEntry[] neededEntries)
{
List<IteratorOutput> result = new List<IteratorOutput>(neededEntries.Length);
for (int i = 0; i < allEntries.Length; i++)
{
if (ArrayHelpers.Contains(neededEntries, allEntries[i]))
{
IteratorOutput iteratorOutput = new IteratorOutput();
iteratorOutput.SourceIndex = i;
iteratorOutput.TargetIndex = offset + result.Count;
result.Add(iteratorOutput);
}
}
return result.ToArray();
}
