Re: Talking about optimizer, my long dream
| От | Mark Kirkwood |
|---|---|
| Тема | Re: Talking about optimizer, my long dream |
| Дата | |
| Msg-id | 4D4CE23F.4070500@catalyst.net.nz обсуждение исходный текст |
| Ответ на | Re: Talking about optimizer, my long dream (Scott Marlowe <scott.marlowe@gmail.com>) |
| Список | pgsql-performance |
O > If Oracle can patch their query planner for you in 24 hours, and you > can apply patch with confidence against your test then production > servers in an hour or so, great. Til then I'll stick to a database > that has the absolutely, without a doubt, best coder support of any > project I've ever used. > > My point in the other thread is that if you can identify a point where > a hint would help, like my situation above, you're often better off > presenting a test case here and getting a patch to make it smarter. > By way of contrast - I had a similar situation with DB2 (a few years ago) with a bad plan being chosen for BETWEEN predicates in some cases. I found myself having to spend about a hour or two a week chasing the support organization for - wait for it - 6 months to get a planner patch!
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