RE: Scan by TID (was RE: [HACKERS] How to add a new build-in operator)
От | Hiroshi Inoue |
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Тема | RE: Scan by TID (was RE: [HACKERS] How to add a new build-in operator) |
Дата | |
Msg-id | 000101bf1563$c6cf8e60$2801007e@cadzone.tpf.co.jp обсуждение исходный текст |
Ответ на | Re: Scan by TID (was RE: [HACKERS] How to add a new build-in operator) (Bruce Momjian <maillist@candle.pha.pa.us>) |
Список | pgsql-hackers |
> -----Original Message----- > > > Bernard Frankpitt <frankpit@pop.dn.net> writes: > > > With all due respect to people who I am sure know a lot more > about this > > > than I do, it seems to me that extensive use of TIDs in user > code might > > > place an unwelcome restraint on the internal database design. > > > > Yes, we'd certainly have to label it as an implementation-dependent > > feature that might change or vanish in the future. But as long as > > people understand that they are tying themselves to a particular > > implementation, I can see the usefulness of making this feature > > accessible. I'm still dubious that it's actually worth the work ... > > but as long as I'm not the one doing the work, I can hardly object ;-). > > > > I just want to be sure that we don't create a maintenance headache > > for ourselves by corrupting the system structure. We've spent a > > lot of time cleaning up after past shortcuts, and still have many > > more to deal with; introducing new ones doesn't seem good. > > Agreed. > I think it isn't so difficult to implement a new type of scan on trial. But I'm not sure my story is right and I'm afraid to invite a maintenance headache like intersexcept .... May I proceed the work ? Regards. Hiroshi Inoue Inoue@tpf.co.jp
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