| From: | David Rowley <david(dot)rowley(at)2ndquadrant(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp>, Amit Langote <amitlangote09(at)gmail(dot)com>, Julien Rouhaud <rjuju123(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Antonin Houska <ah(at)cybertec(dot)at>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Ordered Partitioned Table Scans |
| Date: | 2019-04-06 00:45:25 |
| Message-ID: | CAKJS1f-CBXP-U6cHvB3MD6YZV8wo3mO+xjabwUPJ1q=K3KrD2g@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Sat, 6 Apr 2019 at 12:26, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Pushed with some hacking, mostly trying to improve the comments.
Great! Many thanks for improving those and pushing it.
Many thanks to Julien, Antonin for their detailed reviews on this.
Thanks Amit for your input on this as well. Much appreciated.
> The only really substantive thing I changed was that you'd missed
> teaching ExecSetTupleBound about descending through Append.
> Now that we can have plans that are Limit-above-Append-above-Sort,
> that's important.
Oops. Wasn't aware about that until now.
--
David Rowley http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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