public void visit(SubSelect subSelect) throws Exception {
subSelect.getSelectBody().accept(this);
if (subSelect.getWithItemsList() != null) {
for (WithItem withItem : subSelect.getWithItemsList()) {
visit(withItem);
}
}
}
@Override
public void visit(SubSelect subSelect) {
SelectVisitorImpl visitor = new SelectVisitorImpl();
subSelect.getSelectBody().accept(visitor);
relationProvider = visitor.getOperation();
}