Re: pg_tablespace_location() failure with allow_in_place_tablespaces - Mailing list pgsql-hackers

From Kyotaro Horiguchi
Subject Re: pg_tablespace_location() failure with allow_in_place_tablespaces
Date
Msg-id 20220304.165449.1200020258723305904.horikyota.ntt@gmail.com
Whole thread Raw
In response to Re: pg_tablespace_location() failure with allow_in_place_tablespaces  (Kyotaro Horiguchi <horikyota.ntt@gmail.com>)
Responses Re: pg_tablespace_location() failure with allow_in_place_tablespaces
List pgsql-hackers
At Fri, 04 Mar 2022 16:41:03 +0900 (JST), Kyotaro Horiguchi <horikyota.ntt@gmail.com> wrote in 
> At Fri, 4 Mar 2022 15:44:22 +0900, Michael Paquier <michael@paquier.xyz> wrote in 
> > The use may be limited to any automated testing and
> > allow_in_place_tablespaces is a developer GUC, still it seems to me
> > that there is an argument to allow the case rather than tweak any
> > tests to hardcode a path with the tablespace OID.  And any other code
> > paths are able to handle such tablespaces, be they in recovery or in
> > tablespace create/drop.
> 
> +1

By the way, regardless of the patch, I got an error from pg_basebackup
for an in-place tablespace.  pg_do_start_backup calls readlink
believing pg_tblspc/* is always a symlink.

# Running: pg_basebackup -D
/home/horiguti/work/worktrees/tsp_replay_2/src/test/recovery/tmp_check/t_029_replay_tsp_drops_primary1_data/backup/my_backup
-h/tmp/X8E4nbF4en -p 51584 --checkpoint fast --no-sync
 
WARNING:  could not read symbolic link "pg_tblspc/16384": Invalid argument

regards.

-- 
Kyotaro Horiguchi
NTT Open Source Software Center



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