Re: BUG #8354: stripped positions can generate nonzero rank in ts_rank_cd

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Alexander Hill <alex(at)hill(dot)net(dot)au>
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: BUG #8354: stripped positions can generate nonzero rank in ts_rank_cd
Date: 2014-02-11 15:45:37
Message-ID: 20140211154537.GA2289@momjian.us
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On Fri, Feb 7, 2014 at 02:07:59AM +0800, Alexander Hill wrote:
> Hi Bruce, all,
>
> I think this can be solved (if it's agreed that it's a bug) in a pretty
> straightforward way: when creating the document representation used in
> calculating cover density rank, we can just skip lexemes with no position
> entirely.
>
> Fix and tests here: https://github.com/AlexHill/postgres/compare/bug_8354
>
> As a patch file here: https://github.com/AlexHill/postgres/commit/
> cd522b254d166d569b86803115f0f499864e949b.patch

OK, great. I am attaching this patch. Would this change the contents
of any indexes? That would be a problem for pg_upgrade.

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

+ Everyone has their own god. +

Attachment Content-Type Size
tsrank.patch text/x-diff 1.7 KB

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