| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Bart Samwel <bart(at)samwel(dot)tk>, Jeroen Vermeulen <jtv(at)xs4all(dot)nl>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Avoiding bad prepared-statement plans. |
| Date: | 2010-02-15 20:05:29 |
| Message-ID: | 201002152005.o1FK5Ts29002@momjian.us |
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| Lists: | pgsql-hackers |
Robert Haas wrote:
> > 7. Why is there no option to do parameterized-queries which replan every
> > time?
> >
> > This just seems like an area that has been neglected, or maybe I am
> > missing something and our current setup is acceptable.
>
> No, our current setup is not acceptable, and your questions are all
> right on target. I have been hoping that someone would take an
> interest in this problem for years. An option to replan on every
> execution would be a very, very fine thing. IMHO, there should also
> be a way to signal to PL/pgsql that you want this behavior for a
> particular query, short of wrapping it using EXECUTE, which is clunky
> and also forces a re-parse on every execution.
I was hoping I was wrong. :-(
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
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