Re: Fix a reference error for window functions: In the function 'find_window_functions', the deduplication logic should be removed

[David Rowley]

On Sun, 25 Jan 2026 at 17:09, Meng Zhang <mza11...@gmail.com> wrote:
> The deduplication logic won't cause an error when the result of this function 
> is only used in `select_active_windows`.
> But when the result is used in `optimize_window_clauses`, it will cause the 
> `winref` field of a certain window function to not be modified in the new 
> window.

Thanks for the report. I'll have a look.

David