From: | "Fujii Masao" <masao(dot)fujii(at)gmail(dot)com> |
---|---|
To: | ssmei_2000(at)yahoo(dot)com |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: A question for the patch "blooming filter" |
Date: | 2008-12-10 01:19:24 |
Message-ID: | 3f0b79eb0812091719s4d9dcae4x660f6e03fc2f86b1@mail.gmail.com |
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Thread: | |
Lists: | pgsql-hackers |
Hi,
On Wed, Dec 10, 2008 at 10:02 AM, Unicron <ssmei_2000(at)yahoo(dot)com> wrote:
> i have a view of code, and find a question.There is a variable named
> 'bloom_pruning" set to be
> 'false' outside function 'bloom_filter_init' in file 'bloomfn.c', and there
> is a stataments
> if (bloom_pruning == false)
> return;
> at begin of the function "bloom_filter_init".
>
> And i don't find any places which set variable 'bloom_pruning' to 'true',
> may i take it as
> code following the statments above in 'bloom_filter_init' never execute?
bloom_pruning is GUC, so it's set to true/false when postgresql.conf
is parsed or SET command is executed.
Regards,
--
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center
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