Re: Fuzzy substring searching with the pg_trgm extension

From: Artur Zakirov <a(dot)zakirov(at)postgrespro(dot)ru>
To: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Teodor Sigaev <teodor(at)sigaev(dot)ru>
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: 2016-02-02 12:45:09
Message-ID: 56B0A4D5.6000005@postgrespro.ru
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On 01.02.2016 20:12, Artur Zakirov wrote:
>
> I have changed the patch:
> 1 - trgm2.data was corrected, duplicates were deleted.
> 2 - I have added operators <<-> and <->> with GiST index supporting. A
> regression test will pass only with the patch
> http://www.postgresql.org/message-id/CAPpHfdt19FwQXarYjkzxb3oxmv-KAn3FLuZrooARE_U3H3CV9g@mail.gmail.com
>
> 3 - the function substring_similarity() was renamed to
> subword_similarity().
>
> But there is not a function substring_similarity_pos() yet. It is not
> trivial.
>

Sorry, in the previous patch was a typo. Here is the fixed patch.

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

Attachment Content-Type Size
pg_trgm_guc_v2.patch text/x-patch 8.8 KB
pg_trgm_subword_v6.patch text/x-patch 112.4 KB

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