SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function equals (children 1)
     ExpressionList (children 2)
      Function sum (children 1)
       ExpressionList (children 1)
        Function equals (children 1)
         ExpressionList (children 2)
          Function upper (children 1)
           ExpressionList (children 1)
            Function materialize (children 1)
             ExpressionList (children 1)
              Literal \'aaaaАБВГAAAAaaAA\'
          Function materialize (children 1)
           ExpressionList (children 1)
            Literal \'AAAAАБВГAAAAAAAA\'
      Function count (children 1)
       ExpressionList
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.one
    TablesInSelectQueryElement (children 1)
     ArrayJoin (children 1)
      ExpressionList (children 1)
       Function range (alias n) (children 1)
        ExpressionList (children 1)
         Literal UInt64_16384