public SelectExpression(QualifiedName selection, Name alias)
{
if (selection == null)
throw new ArgumentNullException("selection", "selection is null.");
this.selection = selection;
this.alias = alias;
}
public SelectExpression(QualifiedName selection)
: this(selection, null)
{
}
public FromTable(QualifiedName table)
{
this.table = table;
}
