Horton

Re: CREATE DATABASE with filesystem cloning

Thomas Munro <thomas.munro@gmail.com>

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From: Thomas Munro <thomas.munro@gmail.com>
To: Nazir Bilal Yavuz <byavuz81@gmail.com>
Cc: Ranier Vilela <ranier.vf@gmail.com>, Robert Haas <robertmhaas@gmail.com>, Peter Eisentraut <peter@eisentraut.org>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2025-04-08T09:42:23Z
Lists: pgsql-hackers 
On Wed, Mar 26, 2025 at 12:47 AM Nazir Bilal Yavuz <byavuz81@gmail.com> wrote:
> Rebased version of the patch is attached.

I noticed that it wasn't working on a Mac I tested because
guc_tables.c needed to include <copyfile.h> and fixed that.  I also
did some minor editig of the docs, mostly removing the mention of
specific file systems because that's bound to be incomplete (it
already was to my knowledge) so I think it's better to simply say what
system calls it uses, since the effects will vary.

And pushed.  Thanks for working on this!  I think this might be a
popular feature for some users.

Commits

  1. Introduce file_copy_method setting.