Re: [HACKERS] Well, then you keep your darn columns
От | Hannu Krosing |
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Тема | Re: [HACKERS] Well, then you keep your darn columns |
Дата | |
Msg-id | 388CDA11.5E2253FD@tm.ee обсуждение исходный текст |
Ответ на | Re: [HACKERS] Well, then you keep your darn columns (The Hermit Hacker <scrappy@hub.org>) |
Ответы |
Re: [HACKERS] Well, then you keep your darn columns
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Список | pgsql-hackers |
Don Baccus wrote: > > At 11:52 PM 1/24/00 +0200, Hannu Krosing wrote: > > >But the decision was (from Vadim IIRC) to drop them, at least in non system > >tables. > >The cited reasons were: > >* crappy implementation that taxed performance (probably fixed by now) > >* nobody else seemed to have them and the push then was to the direction of > > mainstream bean-counting DB with main objective of getting that base > > functionality right. > > Regarding this last, Oracle has an equivalent - rowid. In the web > toolkit I'm helping port, it's used somewhat often, and having oid > available has been a convenience. My impression was thet Oracles ROWID is more like our TID - i.e. not a very stable thing. I may be wrong of course, as last time I used oracle seriously was more than 3 years ago. > Having said that, its use in this toolkit's could be replaced by > simply creating a sequence and numbering rows by hand. Or using 'default nextid()' which seems to be the recommended and portable (?) way. ---------------- Hannu
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