| From: | Vik Fearing <vik(dot)fearing(at)dalibo(dot)com> |
|---|---|
| To: | Stephen Frost <sfrost(at)snowman(dot)net>, Atri Sharma <atri(dot)jiit(at)gmail(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, David Johnston <polobo(at)yahoo(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Planner hints in Postgresql |
| Date: | 2014-03-17 22:18:53 |
| Message-ID: | 532774CD.5060909@dalibo.com |
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| Thread: | |
| Lists: | pgsql-hackers |
On 03/17/2014 06:28 PM, Stephen Frost wrote:
> a value passed in
> as part of the query, with a high likelihood of users figuring out how
> to use it to say "use my plan forever and always"..
Last time this came up, I said on irc that if we ever do implement
hints, I'd like them to be tied to a major version somehow so that later
versions can issue warnings that the planner might have become smarter
about long-forgotten queries and they need to be re-tested to see if the
hint is still warrented.
--
Vik
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