SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Function tuple (children 1)
       ExpressionList (children 2)
        Function toLowCardinality (children 1)
         ExpressionList (children 1)
          Literal \'1\'
        Function materialize (children 1)
         ExpressionList (children 1)
          Function toLowCardinality (children 1)
           ExpressionList (children 1)
            Literal UInt64_1
