Re: Fuzzy substring searching with the pg_trgm extension

From: Artur Zakirov <a(dot)zakirov(at)postgrespro(dot)ru>
To: Teodor Sigaev <teodor(at)sigaev(dot)ru>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
Cc: Jeff Janes <jeff(dot)janes(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Fuzzy substring searching with the pg_trgm extension
Date: 2016-02-11 13:40:44
Message-ID: 56BC8F5C.40401@postgrespro.ru
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

On 11.02.2016 16:11, Teodor Sigaev wrote:
>> I have attached a new version of the patch. It fixes error of
>> operators <->> and
>> %>:
>> - operator <->> did not pass the regression test in CentOS 32 bit (gcc
>> 4.4.7
>> 20120313).
>> - operator %> did not pass the regression test in FreeBSD 32 bit (gcc
>> 4.2.1
>> 20070831).
>>
>> It was because of variable optimization by gcc.
>
> Fixed with volatile modifier, right?

Yes, it was fixes with volatile modifier.

>
> I'm close to push this patches, but I still doubt in names, and I'd like
> to see comment from English speackers:
> 1 sml_limit GUC variable (options: similarity_limit, sml_threshold)
> 2 subword_similarity(). Actually, it finds most similar word (not
> substring!) from whole string. word_similarity? word_in_string_similarity?
>
>
> substring_similarity_pos() could be a separate patch.
>

--
Artur Zakirov
Postgres Professional: http://www.postgrespro.com
Russian Postgres Company

In response to

Browse pgsql-hackers by date

  From Date Subject
Next Message Michael Paquier 2016-02-11 13:42:11 Re: [PATCH v4] GSSAPI encryption support
Previous Message Robert Haas 2016-02-11 13:36:57 pgsql: Modify the isolation tester so that multiple sessions can wait.