SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function bitmapMax (children 1)
     ExpressionList (children 1)
      Function bitmapBuild (children 1)
       ExpressionList (children 1)
        Literal Array_[UInt64_1, UInt64_5, UInt64_7, UInt64_9]