SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function arrayStringConcat (children 1)
     ExpressionList (children 2)
      Identifier arr
      Literal \'; \'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 1)
          ExpressionList (children 1)
           Function materialize (alias arr) (children 1)
            ExpressionList (children 1)
             Function array (children 1)
              ExpressionList (children 3)
               Function toIPv4 (children 1)
                ExpressionList (children 1)
                 Literal \'127.0.0.1\'
               Literal NULL
               Function toIPv4 (children 1)
                ExpressionList (children 1)
                 Literal \'1.0.0.1\'