docs: private boolean isRolledUpColumn(SqlIdentifier identifier, SqlValidatorScope scope) {
  		Pair<String, String> pair = findTableColumnPair(identifier, scope);
  
  		if (pair == null) {
  			return false;
  		}
  
  		String tableAlias = pair.left;
  		String columnName = pair.right;
  
  		Table table = findTable(tableAlias);
  		if (table != null) {
  			return table.isRolledUp(columnName);
  		}
  		return false;
  	}