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From: Antonin Houska <[email protected]>
To: Alvaro Herrera <[email protected]>
Cc: Mihail Nikalayeu <[email protected]>
Cc: Pg Hackers <[email protected]>
Cc: Robert Treat <[email protected]>
Subject: Re: Adding REPACK [concurrently]
Date: Wed, 25 Feb 2026 20:04:13 +0100
Message-ID: <97234.1772046253@localhost> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>

Alvaro Herrera <[email protected]> wrote:

> On 2026-Feb-25, Antonin Houska wrote:
> 
> > > Hmm, so on the apply side when reading the file, we would first reach
> > > each toast attribute value, which we know to insert directly to the
> > > toast table (keeping track of each individually toast pointer as we do
> > > so); then we reach the heap tuple itself, we [... somehow ...] interpret
> > > these external indirect toast pointers and substitute the toast pointers
> > > that we created.  So we never have to construct the entire tuple, or
> > > indeed do anything else with the toasted values other than insert them
> > > into the toast table.
> > 
> > Yes, that's what I mean.
> 
> Makes sense.  Would you be able to try and implement that?

Yes, I'll try in the following days.

-- 
Antonin Houska
Web: https://www.cybertec-postgresql.com

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