| From: | Andreas Joseph Krogh <andreas(at)visena(dot)com> |
|---|---|
| To: | Teodor Sigaev <teodor(at)sigaev(dot)ru> |
| Cc: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Oleg Bartunov <obartunov(at)gmail(dot)com>, Dmitry Ivanov <d(dot)ivanov(at)postgrespro(dot)ru>, Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org>, Artur Zakirov <a(dot)zakirov(at)postgrespro(dot)ru>, Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru>, David Steele <david(at)pgmasters(dot)net> |
| Subject: | Re: [PATCH] Phrase search ported to 9.6 |
| Date: | 2016-04-01 13:42:06 |
| Message-ID: | VisenaEmail.8.c7513bdf4b62d6b.153d20ee695@tc7-visena |
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| Lists: | pgsql-hackers |
På fredag 01. april 2016 kl. 15:22:55, skrev Teodor Sigaev <teodor(at)sigaev(dot)ru
<mailto:teodor(at)sigaev(dot)ru>>:
> there was a character that was very similar to dots I would suggest
> that. The closest is * I think, so what do you think of "***"?
And join opertator for tsqueries is the same :
select 'fat'::tsquery *** 'cat'; ?
Single '*' ? That's close to regex, any number of tokens. And it saves rules
about duplicating character.
select 'fat'::tsquery ** 'cat';
select 'fat * cat'::tsquery;
select 'fat * [3] cat'::tsqyery; -- for non-default distance.
What about ~> ?
-- Andreas Joseph Krogh
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