| From: | Corey Huinker <corey(dot)huinker(at)gmail(dot)com> |
|---|---|
| To: | Jeff Davis <pgsql(at)j-davis(dot)com> |
| Cc: | Robert Treat <rob(at)xzilla(dot)net>, Robert Haas <robertmhaas(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Nathan Bossart <nathandbossart(at)gmail(dot)com>, 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: | 2025-03-29 05:44:57 |
| Message-ID: | CADkLM=dG+8jW4UAwP69o7Q92FOXpoN8Pb9kD_Fck1_BBn+gwgQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
>
> The first is that i_relallfrozen is undefined in versions earlier than
> 18. That's trivial to fix, we just add "0 AS relallfrozen," in the
> earlier versions, but still refrain from outputting it.
>
Ok, so long as we refrain from outputting it, I'm cool with whatever we
store internally.
> The second is that the pg_upgrade test (when run with
> olddump/oldinstall) compares the before and after dumps, and if the
> "before" version is 17, then it will not have the relallfrozen argument
> to pg_restore_relation_stats. We might need a filtering step in
> adjust_new_dumpfile?
>
That sounds trickier. Do we already have filtering steps that are sensitive
to the "before" version dump?
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