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From: Corey Huinker <[email protected]>
To: Jeff Davis <[email protected]>
Cc: Robert Treat <[email protected]>
Cc: Robert Haas <[email protected]>
Cc: Andres Freund <[email protected]>
Cc: Nathan Bossart <[email protected]>
Cc: Tom Lane <[email protected]>
Cc: Michael Paquier <[email protected]>
Cc: jian he <[email protected]>
Cc: Bruce Momjian <[email protected]>
Cc: Matthias van de Meent <[email protected]>
Cc: Magnus Hagander <[email protected]>
Cc: Stephen Frost <[email protected]>
Cc: Ashutosh Bapat <[email protected]>
Cc: Peter Smith <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Cc: [email protected]
Subject: Re: Statistics Import and Export
Date: Sat, 29 Mar 2025 01:44:57 -0400
Message-ID: <CADkLM=dG+8jW4UAwP69o7Q92FOXpoN8Pb9kD_Fck1_BBn+gwgQ@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
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	<[email protected]>

>
> 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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  Subject: Re: Statistics Import and Export
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