Re: Statistics Import and Export

From: Corey Huinker <corey(dot)huinker(at)gmail(dot)com>
To: Nathan Bossart <nathandbossart(at)gmail(dot)com>
Cc: Jeff Davis <pgsql(at)j-davis(dot)com>, Robert Treat <rob(at)xzilla(dot)net>, Robert Haas <robertmhaas(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Michael Paquier <michael(at)paquier(dot)xyz>, jian he <jian(dot)universality(at)gmail(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Matthias van de Meent <boekewurm+postgres(at)gmail(dot)com>, Magnus Hagander <magnus(at)hagander(dot)net>, Stephen Frost <sfrost(at)snowman(dot)net>, Ashutosh Bapat <ashutosh(dot)bapat(dot)oss(at)gmail(dot)com>, Peter Smith <smithpb2250(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, alvherre(at)alvh(dot)no-ip(dot)org
Subject: Re: Statistics Import and Export
Date: 2025-04-04 23:32:48
Message-ID: CADkLM=dMXt_=eeZbe=Kzx1bTNihmOar-1pyBfoe6iOoEWXsU2Q@mail.gmail.com
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On Fri, Apr 4, 2025 at 6:25 PM Nathan Bossart <nathandbossart(at)gmail(dot)com>
wrote:

> On Fri, Apr 04, 2025 at 03:58:53PM -0500, Nathan Bossart wrote:
> > I pushed commit 8ec0aae to fix this.
>
> And now I'm seeing cross-version test failures due to our use of WITH
> ORDINALITY, which wasn't added until v9.4. Looking into it...
>
>
>
This patch shrinks the array size to 1 for versions < 9.4, which keeps the
modern code fairly elegant.

Attachment Content-Type Size
v1-0001-Fall-back-to-single-attribute-stat-fetching-for-v.patch text/x-patch 3.1 KB

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