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From: Richard Guo <guofenglinux@gmail.com>
Date: Thu, 29 Aug 2024 10:29:26 +0800
Message-ID: <CAMbWs4-=HEFBUvrDGHiNN6JarUuH=bmOZgsME80h_8SOSKhh8g@mail.gmail.com>
Subject: Re: Eager aggregation, take 3
To: Tender Wang <tndrwang@gmail.com>
Cc: Paul George <p.a.george19@gmail.com>, Andy Fan <zhihuifan1213@163.com>, 
	PostgreSQL-development <pgsql-hackers@postgresql.org>, pgsql-hackers@lists.postgresql.org, 
	Robert Haas <robertmhaas@gmail.com>
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On Wed, Aug 28, 2024 at 11:57=E2=80=AFAM Tender Wang <tndrwang@gmail.com> w=
rote:
> Rectenly, I do some benchmark tests, mainly on tpch and tpcds.
> tpch tests have no plan diff, so I do not continue to test on tpch.
> tpcds(10GB) tests have 22 plan diff as below:
> 4.sql, 5.sql, 8.sql,11.sql,19.sql,23.sql,31.sql, 33.sql,39.sql,45.sql,46.=
sql,47.sql,53.sql,
> 56.sql,57.sql,60.sql,63.sql,68.sql,74.sql,77.sql,80.sql,89.sql
>
> I haven't look all of them. I just pick few simple plan test(e.g. 19.sql,=
 45.sql).
> For example, 19.sql, eager agg pushdown doesn't get large gain, but a lit=
tle
> performance regress.
>
> I will continue to do benchmark on this feature.

Thank you for running the benchmarks.  That really helps a lot.

Thanks
Richard