public override ICloneableElement Clone(Dictionary <ICloneableElement, ICloneableElement> objectTree, Predicate <ICloneableElement> doClone)
{
if (!doClone(this))
{
return(this);
}
ICloneableElement clone;
if (!objectTree.TryGetValue(this, out clone))
{
objectTree.Add(this, clone = new SubQueryColumn(
(QuerySource.SubQuery)QuerySource.Clone(objectTree, doClone),
(QueryField)Field.Clone(objectTree, doClone)));
}
return(clone);
}
protected override QuerySource CloneInstance(Dictionary <ICloneableElement, ICloneableElement> objectTree, Predicate <ICloneableElement> doClone)
{
return(new Scalar {
_field = (QueryField)_field.Clone(objectTree, doClone)
});
}