Re: Materialized views WIP patch
От | Josh Berkus |
---|---|
Тема | Re: Materialized views WIP patch |
Дата | |
Msg-id | 5133EA56.2050103@agliodbs.com обсуждение исходный текст |
Ответ на | Re: Materialized views WIP patch (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: Materialized views WIP patch
Re: Materialized views WIP patch |
Список | pgsql-hackers |
> There's a much more fundamental reason why this will never happen, which > is that the query planner is not licensed to decide that you only want > an approximate and not an exact answer to your query. I think it would be worth talking about when someone wants to implement it. I'd imagine it would require setting a GUC, though, which would be off by default for obvious reasosn. > If MVs were guaranteed always up-to-date, maybe we could think about > automatic use of them --- but that's a far different feature from what > Kevin has here. And of limited utility, as mentioned. -- Josh Berkus PostgreSQL Experts Inc. http://pgexperts.com
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