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Re: teach pg_upgrade to handle in-place tablespaces - Mailing list pgsql-hackers

From Michael Paquier
Subject Re: teach pg_upgrade to handle in-place tablespaces
Date
Msg-id aH70xl4GQzrTHpYL@paquier.xyz
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In response to Re: teach pg_upgrade to handle in-place tablespaces  (Nathan Bossart <nathandbossart@gmail.com>)
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On Mon, Jul 21, 2025 at 09:06:59PM -0500, Nathan Bossart wrote:
> On Tue, Jul 22, 2025 at 10:37:05AM +0900, Michael Paquier wrote:
>> This would not choke as long as the old cluster is at least at v10,
>> but well why not.
>
> I'm not sure what you mean.  allow_in_place_tablespaces was added in v15,
> right?

Yes initially, not so these days.  Here are the backpatches across
v10~14:
<16e7a8fd8e97> 2022-07-27 [Alvaro Herrera]  Allow "in place" tablespaces.
<961cab0a5a90> 2022-07-27 [Alvaro Herrera]  Allow "in place" tablespaces.
<7bdbbb87340f> 2022-07-27 [Alvaro Herrera]  Allow "in place" tablespaces.
<258c896418bf> 2022-07-27 [Alvaro Herrera]  Allow "in place" tablespaces.
<ca347f5433ed> 2022-07-27 [Alvaro Herrera]  Allow "in place" tablespaces.
--
Michael
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