Re: IDENTITY/GENERATED v36 Re: Final version of IDENTITY/GENERATED patch
От | Andrew Dunstan |
---|---|
Тема | Re: IDENTITY/GENERATED v36 Re: Final version of IDENTITY/GENERATED patch |
Дата | |
Msg-id | 4613A28B.2040808@dunslane.net обсуждение исходный текст |
Ответ на | Re: IDENTITY/GENERATED v36 Re: Final version of IDENTITY/GENERATED patch (Zoltan Boszormenyi <zb@cybertec.at>) |
Ответы |
Re: IDENTITY/GENERATED v36 Re: Final version of IDENTITY/GENERATED
patch
|
Список | pgsql-patches |
Zoltan Boszormenyi wrote: > Tom Lane írta: > >>> - unique index checks are done in two steps >>> to avoid inflating the sequence if a unique index check >>> is failed that doesn't reference the IDENTITY column >>> >> >> This is just not acceptable --- there is nothing in the standard that >> requires such behavior, > > But also there is nothing that would say not to do it. :-) > And this way, there is be nothing that would separate > IDENTITY from regular SERIALs only the slightly > later value generation. The behaviour I proposed > would be a big usability plus over the standard > with less possible skipped values. > >> and I dislike the wide-ranging kluges you >> introduced to support it. > > Can you see any other way to avoid skipping sequence values > as much as possible? This doesn't strike me as a sensible design goal. Why not just live with skipped values? cheers andrew
В списке pgsql-patches по дате отправления: