| From: | Steve <cheetah(at)tanabi(dot)org> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | PostgreSQL Performance <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: Strangely Variable Query Performance |
| Date: | 2007-04-12 22:24:48 |
| Message-ID: | Pine.GSO.4.64.0704121822090.17955@kittyhawk.tanabi.org |
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| Lists: | pgsql-hackers pgsql-patches pgsql-performance |
> [ itch... ] That code is just completely wrong, because the contents
> of a TEXT datum aren't guaranteed null-terminated. It'd be better to
> invoke bttextcmp and negate its result.
>
> That's not relevant to your immediate problem, but if you've noticed
> any strange behavior with your text_revop indexes, that's the reason...
The indexes have all worked, though I'll make the change anyway.
Documentation on how to code these things is pretty sketchy and I believe
I followed an example on the site if I remember right. :/
Thanks for the info though :)
Steve
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