SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function mapPopulateSeries (children 1)
     ExpressionList (children 3)
      Literal Array_[UInt64_1, UInt64_1, UInt64_5]
      Literal Array_[UInt64_4, UInt64_5, UInt64_6]
      Function materialize (children 1)
       ExpressionList (children 1)
        Literal UInt64_10
