SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function mapPopulateSeries (children 1)
     ExpressionList (children 3)
      Function CAST (children 1)
       ExpressionList (children 2)
        Function array (children 1)
         ExpressionList
        Literal \'Array(UInt8)\'
      Function CAST (children 1)
       ExpressionList (children 2)
        Function array (children 1)
         ExpressionList
        Literal \'Array(UInt8)\'
      Literal UInt64_5
