internal string GetChecksum()
{
var result = Source + "|" + Target + "|" + OrderDescending + "|" + Skip + "|" + Take + "|" + Function + "|" + SourceType + "|";
result += (Arguments == null ? null : string.Join(",", Arguments.Select(x => x.GetChecksum())));
result += "|";
result += (Ordering == null ? null : Ordering.GetChecksum());
var selChild = Child as SelectorExpression;
if (selChild != null)
{
var dimChild = selChild.Child as DimensionExpression;
if (dimChild != null)
{
result += "[" + dimChild.GetChecksum() + "]";
}
}
return(result);
}