Re: pg_basebackup -F plain -R overwrites postgresql.auto.conf

On 2020/02/10 17:23, Sergei Kornilov wrote:
> Hello
> 
> Seems bug was introduced in caba97a9d9f4d4fa2531985fd12d3cd823da06f3 - in HEAD only
> 
> In REL_12_STABLE we have:
> 
>     bool        is_recovery_guc_supported = true;
> 
>     if (PQserverVersion(conn) < MINIMUM_VERSION_FOR_RECOVERY_GUC)
>         is_recovery_guc_supported = false;
> 
>     snprintf(filename, MAXPGPATH, "%s/%s", basedir,
>              is_recovery_guc_supported ? "postgresql.auto.conf" : "recovery.conf");
> 
>     cf = fopen(filename, is_recovery_guc_supported ? "a" : "w");
> 
> It looks correct: append mode for postgresql.auto.conf
> 
> In HEAD version is_recovery_guc_supported variable was replaced to inversed use_recovery_conf without change fopen
mode.

Yes! Thanks for pointing out that!
So the patch needs to be applied only in master.

Regards,

-- 
Fujii Masao
NTT DATA CORPORATION
Advanced Platform Technology Group
Research and Development Headquarters