SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function arrayCumSumNonNegative (children 1)
     ExpressionList (children 1)
      Literal Array_[UInt64_1, Int64_-5, UInt64_5, Int64_-2]