SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function arrayEnumerateDenseRanked (children 1)
     ExpressionList (children 3)
      Literal UInt64_1
      Literal Array_[UInt64_10, UInt64_20, UInt64_10, UInt64_30]
      Literal UInt64_1