Hi Fujii-san,

On Fri, May 15, 2026 at 8:29 PM Fujii Masao <[email protected]> wrote:

> Hi,
>
> The pg_recvlogical documentation says:
>
>     pg_recvlogical will preserve group permissions on the received WAL
> files
>     if group permissions are enabled on the source cluster.
>
> However, a user let me know that pg_recvlogical does not actually preserve
> group permissions on its output files, even when group permissions are
> enabled
> on the source cluster. This seems a bug.
>
> Commit c37b3d08ca6 attempted to preserve group permissions when group
> access is enabled on the source cluster. However, the output files are
> still
> created with a hard-coded S_IRUSR | S_IWUSR mode, so group-read permission
> is never applied.
>
> The attached patch fixes this by creating output files with
> pg_file_create_mode
> instead of the hard-coded mode. Since pg_recvlogical already sets
> umask(pg_mode_mask) based on the source cluster settings, this makes
> the output file permissions match the source cluster configuration as
> intended.
>
> The patch also updates the documentation wording from "received WAL files"
> to "output files", which better reflects what pg_recvlogical actually
> writes.
>

i have reviewed, tested the patch and it LGTM, i think we can add
a TAP test to verify the group permission, attached a diff patch
for the same,

I think this should be backpatched to all supported branches.
>

+1

-- 
Thanks,
Srinath Reddy Sadipiralla
EDB: https://www.enterprisedb.com/

Attachment: nocfbot-test.patch
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