| From: | Etsuro Fujita <fujita(dot)etsuro(at)lab(dot)ntt(dot)co(dot)jp> |
|---|---|
| To: | Ashutosh Bapat <ashutosh(dot)bapat(at)enterprisedb(dot)com> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Jeevan Chalke <jeevan(dot)chalke(at)enterprisedb(dot)com>, Thom Brown <thom(at)linux(dot)com>, "pgsql-hackers(at)postgreSQL(dot)org" <pgsql-hackers(at)postgresql(dot)org>, Kouhei Kaigai <kaigai(at)ak(dot)jp(dot)nec(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Shigeru Hanada <shigeru(dot)hanada(at)gmail(dot)com> |
| Subject: | Re: postgres_fdw join pushdown (was Re: Custom/Foreign-Join-APIs) |
| Date: | 2016-02-16 06:06:34 |
| Message-ID: | 56C2BC6A.5070605@lab.ntt.co.jp |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On 2016/02/15 21:33, Ashutosh Bapat wrote:
> Here's patch with better way to fix it. I think while concatenating the
> lists, we need to copy the lists being appended and in all the cases. If
> we don't copy, a change in those lists can cause changes in the upward
> linkages and thus lists of any higher level joins.
Maybe I'm missing something, but I don't understand why such a change in
those lists happens. Could you explain about that in more detail?
Best regards,
Etsuro Fujita
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Fujii Masao | 2016-02-16 06:07:32 | Re: Incorrect formula for SysV IPC parameters |
| Previous Message | Mark Kirkwood | 2016-02-16 05:38:36 | Re: planstats.sgml |