| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Stefan Kaltenbrunner <stefan(at)kaltenbrunner(dot)cc> |
| Cc: | Alvaro Herrera <alvherre(at)commandprompt(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Jeremy Kerr <jk(at)ozlabs(dot)org>, Stephen Frost <sfrost(at)snowman(dot)net>, Dimitri Fontaine <dfontaine(at)hi-media(dot)com>, pgsql-hackers(at)postgresql(dot)org, Gurjeet Singh <singh(dot)gurjeet(at)gmail(dot)com> |
| Subject: | Re: [PATCH] backend: compare word-at-a-time in bcTruelen |
| Date: | 2010-02-23 18:51:22 |
| Message-ID: | 205.1266951082@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Stefan Kaltenbrunner <stefan(at)kaltenbrunner(dot)cc> writes:
> Tom Lane wrote:
>> Nobody suggested dismissing it. The point was that it hasn't been
>> tested adequately to justify applying it now.
> not sure what testing people want to get done though (there are a fair
> amount of results and profiles in the thread)?
Robert was complaining that the worst case hadn't been characterized
adequately, which I agree with. We know it helps a lot on certain
cases, but what's the downside?
regards, tom lane
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