I wrote: > Andres Freund <and...@anarazel.de> writes: >> Is there a guarantee that input functions are stable or immutable?
> There's a project policy that that should be true. That justifies > marking things like record_in as stable --- if the per-column input > functions could be volatile, record_in would need to be as well. > There are other dependencies on it; see e.g. aab353a60, 3db6524fe. I dug in the archives and found the thread leading up to aab353a60: https://www.postgresql.org/message-id/flat/AANLkTik8v7O9QR9jjHNVh62h-COC1B0FDUNmEYMdtKjR%40mail.gmail.com regards, tom lane
