| From: | "Fujii(dot)Yuki(at)df(dot)MitsubishiElectric(dot)co(dot)jp" <Fujii(dot)Yuki(at)df(dot)MitsubishiElectric(dot)co(dot)jp> |
|---|---|
| To: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Cc: | Bruce Momjian <bruce(at)momjian(dot)us>, Robert Haas <robertmhaas(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Stephen Frost <sfrost(at)snowman(dot)net>, Andres Freund <andres(at)anarazel(dot)de>, Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com>, Jelte Fennema-Nio <postgres(at)jeltef(dot)nl>, Julien Rouhaud <rjuju123(at)gmail(dot)com>, Daniel Gustafsson <daniel(at)yesql(dot)se>, vignesh C <vignesh21(at)gmail(dot)com>, Alexander Pyhalov <a(dot)pyhalov(at)postgrespro(dot)ru>, "Fujii(dot)Yuki(at)df(dot)MitsubishiElectric(dot)co(dot)jp" <Fujii(dot)Yuki(at)df(dot)MitsubishiElectric(dot)co(dot)jp> |
| Subject: | RE: Partial aggregates pushdown |
| Date: | 2024-06-30 22:07:26 |
| Message-ID: | TY2PR01MB383583A1AB42A2CDEE49E25495D22@TY2PR01MB3835.jpnprd01.prod.outlook.com |
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| Lists: | pgsql-hackers |
> From: Fujii Yuki <Fujii(dot)Yuki(at)df(dot)MitsubishiElectric(dot)co(dot)jp>
> Sent: Monday, July 1, 2024 6:42 AM
> Hi hackers.
>
> On Wed, Jun 5, 2024 at 9:15?AM Fujii(dot)Yuki(at)df(dot)MitsubishiElectric(dot)co(dot)jp <Fujii(dot)Yuki(at)df(dot)mitsubishielectric(dot)co(dot)jp> wrote:
> > Requirement2. Consider appropriate position of the new keyword "PARTIAL_AGGREGATE". (with Robert)
> > Existing patch: Before the target expression. Ex. avg(PARTIAL_AGGREGATE c1)
> > Ideal: Before the aggregate function. Ex. PARTIAL_AGGREGATE avg(c1)
> > Requirement3. Consider to avoid to make the new keyword "PARTIAL_AGGREGATE" become a reserved word. (with
> Robert)
> > In the existing patch, "PARTIAL_AGGREGATE" is a reserved word.
> I considered the above two requirement.
> Based on my research, there is no way to use PARTIAL_AGGREGATE in front of a function name without making it a
> reserved word.
With this way, I couldn't resolve shift/reduce conflicts.
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