Thread: Updateable views was:(Re: [HACKERS] Proposal for SYNONYMS)
On 3/9/06, Tom Lane <tgl@sss.pgh.pa.us> wrote: > Josh Berkus <josh@agliodbs.com> writes: > > Eh? I thought that it was just syntatic sugar that was missing. I've > > built lots of updatable views manually; I don't see what's difficult about > > it. > > I think you'll find that corner cases like inserts involving nextval() > don't work real well with a rule-based updatable view. But perhaps I'm > just scarred by the many complaints we've had about rules. With a plain > unconditional DO INSTEAD rule it might be OK ... > > regards, tom lane > the last time i talk with Bernd Helmle, he was preparing the code to send to patches for discussion... that was two months ago... the current code had problems with casts and i think with domains too... i will contact with Bernd to know if he did some more work, if not i can send to patches the latest path he sent me... -- regards, Jaime Casanova "What they (MySQL) lose in usability, they gain back in benchmarks, and that's all that matters: getting the wrong answer really fast." Randal L. Schwartz
Jaime Casanova wrote: > On 3/9/06, Tom Lane <tgl@sss.pgh.pa.us> wrote: >> Josh Berkus <josh@agliodbs.com> writes: >>> Eh? I thought that it was just syntatic sugar that was missing. I've >>> built lots of updatable views manually; I don't see what's difficult about >>> it. >> I think you'll find that corner cases like inserts involving nextval() >> don't work real well with a rule-based updatable view. But perhaps I'm >> just scarred by the many complaints we've had about rules. With a plain >> unconditional DO INSTEAD rule it might be OK ... > the last time i talk with Bernd Helmle, he was preparing the code to > send to patches for discussion... that was two months ago... > > the current code had problems with casts and i think with domains too... > > i will contact with Bernd to know if he did some more work, if not i > can send to patches the latest path he sent me... I'd certainly be interested in having auto-updatable views in 8.2 - even if it was only for the simplest of cases. If I can be of any help testing etc. let me know. -- Richard Huxton Archonet Ltd
--On Freitag, März 10, 2006 09:43:04 +0000 Richard Huxton
<dev@archonet.com> wrote:
> I'd certainly be interested in having auto-updatable views in 8.2 - even
> if it was only for the simplest of cases. If I can be of any help testing
> etc. let me know.
Yeah, that would be cool. I've sent the latest patch to -hackers. Feel free
to check it out. I currently know that array fields (e.g. field[1]) causes
problems, but i'm pretty sure there's much more work left...
Bernd