| From: | Teodor Sigaev <teodor(at)sigaev(dot)ru> |
|---|---|
| To: | cgg007(at)yahoo(dot)com |
| Cc: | postgresql listserv <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: GiST index slower than seqscan |
| Date: | 2006-04-21 13:55:05 |
| Message-ID: | 4448E439.2010900@sigaev.ru |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general |
> When I said full text, I meant substring. Please correct me if I am wrong, but
> tsearch would be useful for finding words in a paragraph, not characters in a
> word (or small group of words) ... If I had fields 'Hello World!', 'Low Tide',
> and 'Following Day' they would all be hits for a search on 'low' ...
>
Ok, I see
> I bet you meant ltree/ltree.h ... I'll give that a try and see what happens!
> Thank you!
Ltree index structure is mixed by BTree and signature tree. You don't need Btree
part as I understand...
I don't know efficient index structure to support queries you want... May be
Oleg knows...
--
Teodor Sigaev E-mail: teodor(at)sigaev(dot)ru
WWW: http://www.sigaev.ru/
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