yamt(at)mwd(dot)biglobe(dot)ne(dot)jp (YAMAMOTO Takashi) writes:
> after systable_getnext_ordered returned NULL, is it ok to call it again?
I wouldn't rely on it working.
> i'm wondering because inv_truncate seems to do it and expecting NULL.
Hmm, that may well be a bug. Have you tested it?
regards, tom lane