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From: Hari Krishna Sunder <[email protected]>
To: Nathan Bossart <[email protected]>
Cc: Jeff Davis <[email protected]>
Cc: Corey Huinker <[email protected]>
Cc: Robert Treat <[email protected]>
Cc: Robert Haas <[email protected]>
Cc: Andres Freund <[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: Thu, 22 May 2025 12:25:29 -0700
Message-ID: <CAAeiqZ1Ov0bsM0KNomzinkvovRM_V12h7keg513gpUwfYwfj0Q@mail.gmail.com> (raw)
In-Reply-To: <aC9Bz-bGPAoB3shj@nathan>
References: <aCS8ZHR_6Py8sMzc@nathan>
	<CAAeiqZ3BPCXziob2-Ldf15h0eS-0C6qbNoT3n5jiXEvMrjEW-w@mail.gmail.com>
	<aCthlMketFE2BnBM@nathan>
	<CAAeiqZ38ALsGyDF--qdoDC6wPGfbeOGioZO0EWVH8uJMeHDHAg@mail.gmail.com>
	<aCujTQoQditBuBhr@nathan>
	<CAAeiqZ0jqtJaigLa6WDAskRFM4gDCj3hNxmwiWs+wHU0gxCTKQ@mail.gmail.com>
	<aC36dza2Fw32YMY9@nathan>
	<[email protected]>
	<aC5F1LX6-uL0wRV1@nathan>
	<[email protected]>
	<aC9Bz-bGPAoB3shj@nathan>

Thanks for the help. This has unblocked us!

On Thu, May 22, 2025 at 8:25 AM Nathan Bossart <[email protected]>
wrote:

> On Wed, May 21, 2025 at 04:53:17PM -0700, Jeff Davis wrote:
> > On Wed, 2025-05-21 at 16:29 -0500, Nathan Bossart wrote:
> >> I don't know precisely where that line might be, but in this case,
> >> the
> >> dumped stats have no hope of restoring into anything older than
> >> v18... But I see no particular benefit from moving the complexity
> >> to the
> >> import side here.
> >
> > That's fine with me. Perhaps we should just say that pre-18 behavior
> > differences can be fixed up during export, and post-18 behavior
> > differences are fixed up during import?
>
> WFM.  I've committed the patch.
>
> --
> nathan
>


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