| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Joe Conway <mail(at)joeconway(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Craig Ringer <craig(dot)ringer(at)2ndquadrant(dot)com>, Mario Becroft <mb(at)true(dot)group>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Ilya Shkuratov <motr(dot)ilya(at)ya(dot)ru>, "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Gavin Flower <GavinFlower(at)archidevsys(dot)co(dot)nz>, Andrew Dunstan <andrew(dot)dunstan(at)2ndquadrant(dot)com>, Serge Rielau <serge(at)rielau(dot)com> |
| Subject: | Re: CTE inlining |
| Date: | 2017-05-05 03:00:02 |
| Message-ID: | 20170505030002.rn63hfynu25fp6v7@alap3.anarazel.de |
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| Lists: | pgsql-hackers |
Hi,
On 2017-05-04 19:57:21 -0700, Joe Conway wrote:
> One thought, is that we treat a CTE in a similar way to foreign tables,
> with the same set of push downs.
A bit surprised about that suggestion - there seems to be very little
similarity between the cases. What'd be the benefit of that? With FDWs
there's not even a common set of things pushed down between different
FDW users.
Greetings,
Andres Freund
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