Tatsuo Ishii <is...@postgresql.org> writes:
> It needs lots of work including modifying CREATE FUNCTION
> command. Instead you could add an API to WinObject access functions to
> export ignore_nulls value. Then let each window function check it. If
> the window function should not take IGNORE/RESPECT NULLS option, throw
> an error.
Yeah, that would be my first thought too. The only question is
whether a function that fails to check that could crash. If it
merely gives surprising answers, I think this way is fine.
regards, tom lane
