Brent Verner <brent(at)rcfile(dot)org> writes:
> | Please apply it locally and let me know what you find.
> what I'm seeing now is much the same.
Drat. More to do, then.
> i've been in circles trying to figure out where fcinfo->arg is filled.
> can you point me toward that?
See src/backend/utils/fmgr/README and src/backend/utils/fmgr/fmgr.c.
But fmgr is probably only the carrier of disease, not the source...
regards, tom lane