Re: Window Functions: v07 APIs and buffering strateties

From: "Hitoshi Harada" <umi(dot)tanuki(at)gmail(dot)com>
To: "ITAGAKI Takahiro" <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp>
Cc: "PostgreSQL Hackers" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Window Functions: v07 APIs and buffering strateties
Date: 2008-10-28 07:03:30
Message-ID: e08cc0400810280003v4391fcd7s72fcad660d39d809@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

2008/10/28 Hitoshi Harada <umi(dot)tanuki(at)gmail(dot)com>:
> Thanks for your testing all!
>
> 2008/10/28 ITAGAKI Takahiro <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp>:
>> "Hitoshi Harada" <umi(dot)tanuki(at)gmail(dot)com> wrote:
>>
>>
>>> select relid,AVG(seq_Scan) OVER (ORDER BY relid)
>>> FROM pg_stat_user_tables
>>> GROUP BY relid,seq_scan;
>>
>> crashes with segfault.
>
> I reproduced it on linux of my environment, building without
> debug/cassert. It could be a problem around there.
>

And I fixed this problem, confirming with/without debug/cassert/gcc
-O and push it to git. If you want delta patch, please see

http://git.postgresql.org/?p=~davidfetter/window_functions/.git;a=commitdiff;h=fbf19bfd0c8d2ac083b775f4cc724ec66e74fa8f

Thanks for all of your feedbacks.
Regards,

--
Hitoshi Harada

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Koichi Suzuki 2008-10-28 07:33:03 Proposal of PITR performance improvement for 8.4.
Previous Message Hitoshi Harada 2008-10-28 05:05:37 Re: Window Functions: v07 APIs and buffering strateties