public override AlgebraNode VisitAssertAlgebraNode(AssertAlgebraNode node)
{
string message;
switch (node.AssertionType)
{
case AssertionType.MaxOneRow:
message = Resources.SubqueryReturnedMoreThanRow;
break;
case AssertionType.BelowRecursionLimit:
message = Resources.MaximumRecursionLevelExceeded;
break;
default:
throw ExceptionBuilder.UnhandledCaseLabel(node.AssertionType);
}
AssertIterator assertIterator = new AssertIterator();
assertIterator.RowBuffer = new object[node.OutputList.Length];
assertIterator.Input = ConvertAlgebraNode(node.Input);
assertIterator.InputOutput = GetIteratorOutput(0, node.Input.OutputList, node.OutputList);
assertIterator.Message = message;
BoundRowBufferEntrySet boundRowBufferEntrySet = new BoundRowBufferEntrySet(assertIterator.Input.RowBuffer, node.Input.OutputList);
assertIterator.Predicate = CreateRuntimeExpression(node.Predicate, boundRowBufferEntrySet);
SetLastIterator(node, assertIterator);
return(node);
}
public override AlgebraNode VisitAssertAlgebraNode(AssertAlgebraNode node)
{
string message;
switch(node.AssertionType)
{
case AssertionType.MaxOneRow:
message = Resources.SubqueryReturnedMoreThanRow;
break;
case AssertionType.BelowRecursionLimit:
message = Resources.MaximumRecursionLevelExceeded;
break;
default:
throw ExceptionBuilder.UnhandledCaseLabel(node.AssertionType);
}
AssertIterator assertIterator = new AssertIterator();
assertIterator.RowBuffer = new object[node.OutputList.Length];
assertIterator.Input = ConvertAlgebraNode(node.Input);
assertIterator.InputOutput = GetIteratorOutput(0, node.Input.OutputList, node.OutputList);
assertIterator.Message = message;
BoundRowBufferEntrySet boundRowBufferEntrySet = new BoundRowBufferEntrySet(assertIterator.Input.RowBuffer, node.Input.OutputList);
assertIterator.Predicate = CreateRuntimeExpression(node.Predicate, boundRowBufferEntrySet);
SetLastIterator(node, assertIterator);
return node;
}