internal static Chainer CreateQueryFromSubject(DbNode currentNode)
{
if (currentNode is IFunction)
{
var arguments = ((IFunction)currentNode).Arguments;
DbMapping.PrepareFunctionArguments(arguments, currentNode);
return(currentNode.GetDesigner()
.From(currentNode.Map.Name.PassUdf(
((IFunction)currentNode).Arguments), currentNode)
.As(currentNode.Index));
}
// table
else
{
if (currentNode.IsSynonym)
{
if (currentNode.SynonymQuery is IOpenView)
{
return(currentNode.GetDesigner().From((IOpenView)currentNode.SynonymQuery, currentNode)
.As(currentNode.Index));
}
// View
else
{
return(currentNode.GetDesigner().From((View)currentNode.SynonymQuery, currentNode)
.As(currentNode.Index));
}
}
else
{
if (currentNode.Row != null)
{
var row = currentNode.Row;
return(currentNode.GetDesigner()
.From(currentNode.Map.Name, currentNode).As(currentNode.Index)
.Where(DbMapping.GetNodeMap(row.NodeID)
.BuildRKExpression(row.GetOriginalRKValues(), currentNode.Index)));
}
else
{
return(currentNode.GetDesigner()
.From(currentNode.Map.Name, currentNode)
.As(currentNode.Index));
}
}
}
}
/// <summary>
/// Specifies a list of arguments which are to be passed to the scalar function. The parameter values have to be passed in the order of parameters as declared in the scalar function.
/// </summary>
/// <param name="arguments">Are the arguments to pass.</param>
protected Udf Pass(params FunctionArgument[] arguments)
{
DbMapping.PrepareFunctionArguments(arguments, this);
return(new Udf(Map.Name, arguments));
}
Udf IFunction.GetUdf()
{
DbMapping.PrepareFunctionArguments(_arguments, this);
return(new Udf(Map.Name, _arguments));
}
/// <summary>
/// Specifies a list of arguments which are to be passed to the table-valued function. The parameter values have to be passed in the order of parameters as declared in the table-valued function.
/// </summary>
/// <param name="arguments">Are the arguments to pass.</param>
protected DbTableFunc <TNode> Pass(params FunctionArgument[] arguments)
{
DbMapping.PrepareFunctionArguments(arguments, this);
_arguments = arguments;
return(this);
}
