private static bool VisitDerivedTableReference(DerivedTableReference node1, DerivedTableReference node2)
{
return(node2 != null &&
node1.CorrelationName == node2.CorrelationName &&
node1.DerivedTableBinding == node2.DerivedTableBinding &&
Visit(node1.Query, node2.Query));
}
public override TableReference VisitDerivedTableReference(DerivedTableReference node)
{
AlgebraNode algebrizedQuery = Convert(node.Query);
List <ComputedValueDefinition> definedValues = new List <ComputedValueDefinition>();
for (int i = 0; i < node.DerivedTableBinding.ColumnRefs.Length; i++)
{
RowBufferEntry targetRowBufferEntry = node.DerivedTableBinding.ColumnRefs[i].ValueDefinition.Target;
RowBufferEntry sourceRowBufferEntry = algebrizedQuery.OutputList[i];
ComputedValueDefinition definedValue = new ComputedValueDefinition();
definedValue.Target = targetRowBufferEntry;
definedValue.Expression = new RowBufferEntryExpression(sourceRowBufferEntry);
definedValues.Add(definedValue);
}
ComputeScalarAlgebraNode computeScalarAlgebraNode = new ComputeScalarAlgebraNode();
computeScalarAlgebraNode.Input = algebrizedQuery;
computeScalarAlgebraNode.DefinedValues = definedValues.ToArray();
SetLastAlgebraNode(computeScalarAlgebraNode);
return(node);
}
public override AstElement Clone(Dictionary<AstElement, AstElement> alreadyClonedElements)
{
DerivedTableReference result = new DerivedTableReference();
result.Query = (QueryNode)_query.Clone(alreadyClonedElements);
result.CorrelationName = _correlationName;
result.CorrelationNameSourceRange = _correlationNameSourceRange;
return result;
}
public override AstElement Clone(Dictionary <AstElement, AstElement> alreadyClonedElements)
{
DerivedTableReference result = new DerivedTableReference();
result.Query = (QueryNode)_query.Clone(alreadyClonedElements);
result.CorrelationName = _correlationName;
result.CorrelationNameSourceRange = _correlationNameSourceRange;
return(result);
}
public override TableReference VisitDerivedTableReference(DerivedTableReference node)
{
_xmlWriter.WriteStartElement("queryTableReference");
_xmlWriter.WriteAttributeString("correlationName", node.CorrelationName.ToSource());
WriteAstNode("query", node.Query);
_xmlWriter.WriteEndElement();
return(node);
}
public override TableReference VisitDerivedTableReference(DerivedTableReference node)
{
_writer.Write("(");
_writer.WriteLine();
_writer.Indent += 2;
Visit(node.Query);
_writer.Indent -= 2;
_writer.WriteLine();
_writer.Write(") AS ");
_writer.Write(node.CorrelationName.ToString());
return(node);
}
private DerivedTableReference ParseDerivedTableReference()
{
Match(TokenId.LeftParentheses);
DerivedTableReference result = new DerivedTableReference();
result.Query = ParseQuery();
Match(TokenId.RightParentheses);
if (_token.Id == TokenId.AS)
{
NextToken();
}
_rangeRecorder.Begin();
Identifier correlationName = ParseIdentifier();
SourceRange correlationNameSourceRange = _rangeRecorder.End();
result.CorrelationName = correlationName;
result.CorrelationNameSourceRange = correlationNameSourceRange;
return(result);
}
public virtual TableReference VisitDerivedTableReference(DerivedTableReference node)
{
node.Query = VisitQuery(node.Query);
return(node);
}
public virtual TableReference VisitDerivedTableReference(DerivedTableReference node)
{
node.Query = VisitQuery(node.Query);
return node;
}
// NOTE: Since we are only interetested in table references of the root query
// we don't visit nested queries.
public override TableReference VisitDerivedTableReference(DerivedTableReference node)
{
_tableRefBindingList.Add(node.DerivedTableBinding);
return node;
}
public override TableReference VisitDerivedTableReference(DerivedTableReference node)
{
_derivedTableReferenceList.Add(node);
return node;
}
public override TableReference VisitDerivedTableReference(DerivedTableReference node)
{
base.VisitDerivedTableReference(node);
EnsureQueryHasNoOrderByUnlessTopSpecified(node.Query);
return(node);
}
public override TableReference VisitDerivedTableReference(DerivedTableReference node)
{
base.VisitDerivedTableReference(node);
EnsureQueryHasNoOrderByUnlessTopSpecified(node.Query);
return node;
}
public override TableReference VisitDerivedTableReference(DerivedTableReference node)
{
AlgebraNode algebrizedQuery = Convert(node.Query);
List<ComputedValueDefinition> definedValues = new List<ComputedValueDefinition>();
for (int i = 0; i < node.DerivedTableBinding.ColumnRefs.Length; i++)
{
RowBufferEntry targetRowBufferEntry = node.DerivedTableBinding.ColumnRefs[i].ValueDefinition.Target;
RowBufferEntry sourceRowBufferEntry = algebrizedQuery.OutputList[i];
ComputedValueDefinition definedValue = new ComputedValueDefinition();
definedValue.Target = targetRowBufferEntry;
definedValue.Expression = new RowBufferEntryExpression(sourceRowBufferEntry);
definedValues.Add(definedValue);
}
ComputeScalarAlgebraNode computeScalarAlgebraNode = new ComputeScalarAlgebraNode();
computeScalarAlgebraNode.Input = algebrizedQuery;
computeScalarAlgebraNode.DefinedValues = definedValues.ToArray();
SetLastAlgebraNode(computeScalarAlgebraNode);
return node;
}
public override TableReference VisitDerivedTableReference(DerivedTableReference node)
{
_xmlWriter.WriteStartElement("queryTableReference");
_xmlWriter.WriteAttributeString("correlationName", node.CorrelationName.ToSource());
WriteAstNode("query", node.Query);
_xmlWriter.WriteEndElement();
return node;
}
private DerivedTableReference ParseDerivedTableReference()
{
Match(TokenId.LeftParentheses);
DerivedTableReference result = new DerivedTableReference();
result.Query = ParseQuery();
Match(TokenId.RightParentheses);
if (_token.Id == TokenId.AS)
NextToken();
_rangeRecorder.Begin();
Identifier correlationName = ParseIdentifier();
SourceRange correlationNameSourceRange = _rangeRecorder.End();
result.CorrelationName = correlationName;
result.CorrelationNameSourceRange = correlationNameSourceRange;
return result;
}
public override TableReference VisitDerivedTableReference(DerivedTableReference node)
{
_writer.Write("(");
_writer.WriteLine();
_writer.Indent += 2;
Visit(node.Query);
_writer.Indent -= 2;
_writer.WriteLine();
_writer.Write(") AS ");
_writer.Write(node.CorrelationName.ToString());
return node;
}
public override TableReference VisitDerivedTableReference(DerivedTableReference node)
{
// Don't visit the query since we have visited it in VisitSelectQuery() already.
return node;
}
private static bool VisitDerivedTableReference(DerivedTableReference node1, DerivedTableReference node2)
{
return node2 != null &&
node1.CorrelationName == node2.CorrelationName &&
node1.DerivedTableBinding == node2.DerivedTableBinding &&
Visit(node1.Query, node2.Query);
}
// NOTE: Since we are only interetested in table references of the root query
// we don't visit nested queries.
public override TableReference VisitDerivedTableReference(DerivedTableReference node)
{
return(node);
}
// NOTE: Since we are only interetested in table references of the root query
// we don't visit nested queries.
public override TableReference VisitDerivedTableReference(DerivedTableReference node)
{
return node;
}
// NOTE: Since we are only interetested in table references of the root query
// we don't visit nested queries.
public override TableReference VisitDerivedTableReference(DerivedTableReference node)
{
_tableRefBindingList.Add(node.DerivedTableBinding);
return(node);
}
