Daniel CAUNE <d.caune@free.fr> writes:
> Actually it seems, from the source code, that a null slot->tts_tuple
> won't lead to a segmentation fault in function slot_attisnull, while
> slot and slot->tts_tupleDescriptor will.
I'll bet on D'Arcy's theory that slot is being passed in as NULL.
Exactly why remains to be seen ... we need that stack trace!
regards, tom lane