public virtual Differences VisitQueryOrderItem(QueryOrderItem item1, QueryOrderItem item2){
Differences differences = new Differences(item1, item2);
if (item1 == null || item2 == null){
if (item1 != item2) differences.NumberOfDifferences++; else differences.NumberOfSimilarities++;
return differences;
}
QueryOrderItem changes = (QueryOrderItem)item2.Clone();
QueryOrderItem deletions = (QueryOrderItem)item2.Clone();
QueryOrderItem insertions = (QueryOrderItem)item2.Clone();
// item1.Expression;
// item1.OrderType;
if (differences.NumberOfDifferences == 0){
differences.Changes = null;
differences.Deletions = null;
differences.Insertions = null;
}else{
differences.Changes = changes;
differences.Deletions = deletions;
differences.Insertions = insertions;
}
return differences;
}
public override Node VisitQueryOrderItem(QueryOrderItem item){
if (item == null) return null;
return base.VisitQueryOrderItem((QueryOrderItem)item.Clone());
}