/// <summary>
/// Compute NodeInfo for a SingleRowOp.
/// Definitions = child's definitions
/// Keys = child's keys
/// Local Definitions = none
/// External references = child's external references
/// RowCount=(0,1)
/// NonNullabeDefinitions = NonNullabeDefinitions of the input RelOp
/// NonNullableInputDefinitions : default(empty) because cannot be used
/// </summary>
/// <param name="op"> The SingleRowOp </param>
/// <param name="n"> current subtree </param>
/// <returns> NodeInfo for this node </returns>
public override NodeInfo Visit(SingleRowOp op, Node n)
{
var nodeInfo = InitExtendedNodeInfo(n);
var childNodeInfo = GetExtendedNodeInfo(n.Child0);
nodeInfo.Definitions.InitFrom(childNodeInfo.Definitions);
nodeInfo.Keys.InitFrom(childNodeInfo.Keys);
nodeInfo.ExternalReferences.InitFrom(childNodeInfo.ExternalReferences);
nodeInfo.NonNullableDefinitions.InitFrom(childNodeInfo.NonNullableDefinitions);
nodeInfo.SetRowCount(RowCount.Zero, RowCount.One);
return(nodeInfo);
}
public override NodeInfo Visit(SingleRowOp op, Node n)
{
ExtendedNodeInfo extendedNodeInfo1 = this.InitExtendedNodeInfo(n);
ExtendedNodeInfo extendedNodeInfo2 = this.GetExtendedNodeInfo(n.Child0);
extendedNodeInfo1.Definitions.InitFrom(extendedNodeInfo2.Definitions);
extendedNodeInfo1.Keys.InitFrom(extendedNodeInfo2.Keys);
extendedNodeInfo1.ExternalReferences.InitFrom(extendedNodeInfo2.ExternalReferences);
extendedNodeInfo1.NonNullableDefinitions.InitFrom(extendedNodeInfo2.NonNullableDefinitions);
extendedNodeInfo1.SetRowCount(RowCount.Zero, RowCount.One);
return((NodeInfo)extendedNodeInfo1);
}
public override Node Visit(SingleRowOp op, Node n)
{
return(CopyDefault(m_destCmd.CreateSingleRowOp(), n));
}
public virtual void Visit(SingleRowOp op, Node n)
{
this.VisitRelOpDefault((RelOp)op, n);
}
public override void Visit(SingleRowOp op, Node n)
{
VisitRelOpDefault(op, n);
AssertRelOpOrPhysicalOp(n.Child0.Op);
}
/// <summary>
/// Visitor pattern method for SingleRowOp
/// </summary>
/// <param name="op"> The SingleRowOp being visited </param>
/// <param name="n"> The Node that references the Op </param>
public virtual void Visit(SingleRowOp op, Node n)
{
VisitRelOpDefault(op, n);
}
// <summary>
// Visitor pattern method for SingleRowOp
// </summary>
// <param name="op"> The SingleRowOp being visited </param>
// <param name="n"> The Node that references the Op </param>
public virtual TResultType Visit(SingleRowOp op, Node n)
{
return(VisitRelOpDefault(op, n));
}