Andres Freund <and...@anarazel.de> writes: > On 2018-11-03 10:12:14 +0900, Tatsuo Ishii wrote: >> One of my colleagues actually believed that if both "-M extended" and >> "-M prepared" were specified, pgbench runs in mixture of those >> modes. So I felt avoiding such misunderstanding is more important.
> I regularly specify options multiple times, and I'd hate for that to not > work anymore. It's really useful to set defaults for scripts that then > can be overwritten by the caller by passing on "$@" (i.e. all script > arguments). Yeah, there's an ancient tradition that "last switch wins" when receiving conflicting command-line options. I think we should tread very carefully in breaking that. regards, tom lane