SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function concat (children 1)
     ExpressionList (children 2)
      Literal UInt64_1
      Function sum (children 1)
       ExpressionList (children 1)
        Function if (children 1)
         ExpressionList (children 3)
          Literal UInt64_0
          Function toUInt128 (children 1)
           ExpressionList (children 1)
            Function concat (children 1)
             ExpressionList (children 3)
              Literal \'%\'
              Function toLowCardinality (children 1)
               ExpressionList (children 1)
                Function toNullable (children 1)
                 ExpressionList (children 1)
                  Literal UInt64_1
              Function toUInt256 (children 1)
               ExpressionList (children 1)
                Literal UInt64_1
          Function materialize (children 1)
           ExpressionList (children 1)
            Literal UInt64_0
