| From: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
|---|---|
| To: | Alexander Kuzmenkov <a(dot)kuzmenkov(at)postgrespro(dot)ru> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Aleksandr Parfenov <asp437(at)gmail(dot)com>, a(dot)bykov(at)postgrespro(dot)ru, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Antonin Houska <ah(at)cybertec(dot)at>, Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp> |
| Subject: | Re: Optimze usage of immutable functions as relation |
| Date: | 2019-07-08 01:18:21 |
| Message-ID: | CA+hUKGK1ATcNa678n=AG+DHQrFmWr-Lovmsq2AP-m5r=shW0Mg@mail.gmail.com |
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On Thu, Mar 21, 2019 at 5:58 AM Alexander Kuzmenkov
<a(dot)kuzmenkov(at)postgrespro(dot)ru> wrote:
> On 11/16/18 22:03, Tom Lane wrote:
> > A possible fix for this is to do eval_const_expressions() on
> > function RTE expressions at this stage (and then not need to
> > do it later), and then pull up only when we find that the
> > RTE expression has been reduced to a single Const.
>
>
> Attached is a patch that does this, and transforms RTE_FUCTION that was
> reduced to a single Const into an RTE_RESULT.
Hi Alexander,
The July Commitfest is here. Could we please have a rebase of this patch?
Thanks,
--
Thomas Munro
https://enterprisedb.com
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