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From: Michael Paquier <[email protected]>
To: Tom Lane <[email protected]>
Cc: Justin Pryzby <[email protected]>
Cc: Alvaro Herrera <[email protected]>
Cc: Peter Eisentraut <[email protected]>
Cc: Soumyadeep Chakraborty <[email protected]>
Cc: Zhihong Yu <[email protected]>
Cc: [email protected]
Cc: Ashwin Agrawal <[email protected]>
Cc: [email protected]
Cc: Alexander Lakhin <[email protected]>
Subject: Re: ALTER TABLE SET ACCESS METHOD on partitioned tables
Date: Tue, 2 Jul 2024 10:18:59 +0900
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<[email protected]>
	<ZgNSQraRJ4vWe6KI@pryzbyj2023>
	<ZkyivySXnbvOogZz@pryzbyj2023>
	<[email protected]>
	<[email protected]>
	<[email protected]>

On Mon, Jul 01, 2024 at 08:40:17PM -0400, Tom Lane wrote:
> While this won't actually fail against a v10 or v11 server, it won't
> show anything useful either (because relam is zero for heaps in
> pre-v12 versions).  Perhaps there should be a check to only add the
> extra column if server >= v12?

I've thought about that and would be OK to restrict things with this
suggestion if you'd prefer it.  However, I could not decide in favor
of it as using a psql \dP+ >= v18 gives the possibility to show the
AMs of partitioned indexes, as these are also part listed in \dP.  So
I've found that useful in itself.
--
Michael


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