SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 2)
    Function mapPopulateSeries (alias res) (children 1)
     ExpressionList (children 2)
      Function array (children 1)
       ExpressionList (children 2)
        Function toInt8 (children 1)
         ExpressionList (children 1)
          Literal UInt64_1
        Literal UInt64_2
      Function array (children 1)
       ExpressionList (children 2)
        Function toInt8 (children 1)
         ExpressionList (children 1)
          Literal UInt64_1
        Literal UInt64_1
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Identifier res