SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 2)
    Function mapPopulateSeries (alias res) (children 1)
     ExpressionList (children 1)
      Function map (children 1)
       ExpressionList (children 4)
        Function toInt8 (children 1)
         ExpressionList (children 1)
          Literal UInt64_1
        Function toInt8 (children 1)
         ExpressionList (children 1)
          Literal UInt64_1
        Literal UInt64_2
        Literal UInt64_1
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Identifier res
