| From: | Oleg Bartunov <oleg(at)sai(dot)msu(dot)su> |
|---|---|
| To: | "Amancio Hasty, Jr" <amanciohasty(at)attbi(dot)com> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: tsearch -- regular expressions? |
| Date: | 2002-08-06 18:24:55 |
| Message-ID: | Pine.GSO.4.44.0208062122270.18973-100000@ra.sai.msu.su |
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| Lists: | pgsql-hackers |
On Mon, 5 Aug 2002, Amancio Hasty, Jr wrote:
> I am wondering if the contrib module tsearch supports reqular expressions
currently no. I'd imagine we could add support of LIKE to tsearch but
without index support
> and
> if it has any kind of indexing over the stored text data like for instance
> a suffix trie?
no, suffix trie is not a balanced tree, while GiST is a height balanced.
>
> Tnks
> Amancio
>
>
>
>
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>
Regards,
Oleg
_____________________________________________________________
Oleg Bartunov, sci.researcher, hostmaster of AstroNet,
Sternberg Astronomical Institute, Moscow University (Russia)
Internet: oleg(at)sai(dot)msu(dot)su, http://www.sai.msu.su/~megera/
phone: +007(095)939-16-83, +007(095)939-23-83
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