| From: | "Etsuro Fujita" <fujita(dot)etsuro(at)lab(dot)ntt(dot)co(dot)jp> |
|---|---|
| To: | "'Ashutosh Bapat'" <ashutosh(dot)bapat(at)enterprisedb(dot)com>, "'Tom Lane'" <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | "'pgsql-hackers'" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: query_planner() API change |
| Date: | 2013-08-05 08:00:21 |
| Message-ID: | 007e01ce91b1$d5537b20$7ffa7160$@lab.ntt.co.jp |
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| Thread: | |
| Lists: | pgsql-hackers |
> On Mon, Aug 5, 2013 at 3:50 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> I've been looking at what it would take to do proper cost estimation
>> for the recently-discussed patch to suppress calculation of
>> unnecessary ORDER BY expressions.
> Can you please mention the subject of the thread? I tried to locate the thread
> based on this description, but couldn't locate it.
Please see
http://www.postgresql.org/message-id/6543.1375470829@sss.pgh.pa.us
Best regards,
Etsuro Fujita
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