public virtual Differences VisitQueryDistinct(QueryDistinct distinct1, QueryDistinct distinct2){
Differences differences = new Differences(distinct1, distinct2);
if (distinct1 == null || distinct2 == null){
if (distinct1 != distinct2) differences.NumberOfDifferences++; else differences.NumberOfSimilarities++;
return differences;
}
QueryDistinct changes = (QueryDistinct)distinct2.Clone();
QueryDistinct deletions = (QueryDistinct)distinct2.Clone();
QueryDistinct insertions = (QueryDistinct)distinct2.Clone();
// distinct1.Context;
// distinct1.Group;
// distinct1.GroupTarget;
// distinct1.Source;
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 VisitQueryDistinct(QueryDistinct distinct){
if (distinct == null) return null;
return base.VisitQueryDistinct((QueryDistinct)distinct.Clone());
}