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Re: Creating an index-type for LIKE '%value%'

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On Tue, 8 Feb 2005, Larry Rosenman wrote:

On Tue, 8 Feb 2005, Oleg Bartunov wrote:

On Mon, 7 Feb 2005, Larry Rosenman wrote:

Oleg Bartunov wrote:

Larry, I pointed you to pg_trgm module mostly following Martijn's suggestions. Now, I see you need another our module - ltree,
see http://www.sai.msu.su/~megera/postgres/gist/ltree/
for details.

I maybe dense, but could you give me an example?

test=# \d tt
Table "public.tt"
Column | Type | Modifiers --------+-------+-----------
domain | ltree | Indexes:
"ltree_idx" gist ("domain")


test=# select * from tt where domain ~ '*.ru'::lquery;
domain -------------
astronet.ru
mail.ru
pgsql.ru
(3 rows)




I'm not seeing it for some reason :).

Thanks,
LER



Regards, Oleg _____________________________________________________________ Oleg Bartunov, sci.researcher, hostmaster of AstroNet, Sternberg Astronomical Institute, Moscow University (Russia) Internet: oleg@xxxxxxxxxx, http://www.sai.msu.su/~megera/ phone: +007(095)939-16-83, +007(095)939-23-83

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