| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Merlin Moncure <mmoncure(at)gmail(dot)com> |
| Cc: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, pgsql-bugs(at)postgresql(dot)org, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, YAMAMOTO Takashi <yamt(at)mwd(dot)biglobe(dot)ne(dot)jp> |
| Subject: | Re: BUG #6222: Segmentation fault on unlogged table |
| Date: | 2011-09-26 16:32:46 |
| Message-ID: | CA+TgmoZ78Cnx1aoAGJ2e+-aCehnOY-NwCCBuW3kL-reHaqOVaQ@mail.gmail.com |
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| Lists: | pgsql-bugs |
On Mon, Sep 26, 2011 at 12:20 PM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
> On Mon, Sep 26, 2011 at 12:17 PM, Merlin Moncure <mmoncure(at)gmail(dot)com> wrote:
>> hm. any relation to YAMAMOTO Takashi's recent email, [BUGS] bug in
>> plancache.c, which hasn't hit the archives yet?
>>
>>> "GetCachedPlan can pass the 'qlist' to the planner twice.
>> if i understand the code correctly, it's unsafe because the planner is
>> destructive wrt the input tree. for my application, it often causes
>> a crash in executor."
>
> I was just wondering about that. It seems like it could very well be
> the same issue, but I have not tested it yet.
OK, I tested it. On my system, that patch appears to fix this problem.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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