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 array (alias arr) (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\'