| From: | Teodor Sigaev <teodor(at)sigaev(dot)ru> |
|---|---|
| To: | Heikki Linnakangas <heikki(at)enterprisedb(dot)com> |
| Cc: | Teodor Sigaev <teodor(at)postgresql(dot)org>, pgsql-committers(at)postgresql(dot)org |
| Subject: | Re: pgsql: Remove QueryOperand->istrue flag, it was used only in cover |
| Date: | 2007-09-12 07:56:41 |
| Message-ID: | 46E79BB9.2010100@sigaev.ru |
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| Lists: | pgsql-committers pgsql-patches |
> Nice, I played around that myself as well today. I tried to use
> Bitmapsets, instead of bool arrays, but that turned out to be
> significantly slower than the way it used to be. It looks like that
> bool-array method isn't, so that's good.
Yeah, hope so.
>
> Increasing the length field in QueryOperand doesn't actually help,
> because TSVector still only uses 11-bits for the length. And there's
> checks in tsquery.c that forbid values longer than MAXSTRLEN=2^11-1 anyway.
I know, but I doubt that rename istrue field to unused is much better.
--
Teodor Sigaev E-mail: teodor(at)sigaev(dot)ru
WWW: http://www.sigaev.ru/
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