On 2023/04/08 23:53, Joseph Koshakow wrote:


On Mon, Apr 3, 2023 at 10:47 AM Fujii Masao <masao.fu...@oss.nttdata.com 
<mailto:masao.fu...@oss.nttdata.com>> wrote:
 >    Yes, the patch has not been committed yet because of lack of review 
comments.
 >    Do you have any review comments on this patch?
 >    Or you think it's ready for committer?

I'm not very familiar with this code, so I'm not sure how much my
review is worth, but maybe it will spark some discussion.

Thanks for the comments!


 > Yes, this patch moves the descriptions of is_superuser to config.sgml
 > and changes its group to PRESET_OPTIONS.

is_superuser feels a little out of place in this file. All of
the options here apply to the entire PostgreSQL server, while
is_superuser only applies to the current session.

Aren't other preset options like lc_collate, lc_ctype and server_encoding
similar to is_superuser? They seem to behave in a similar way as their
settings can be different for each connection depending on the connected 
database.


I'm not familiar with the origins of is_superuser and it may be too
late for this, but it seems like is_superuser would fit in much better
as a system information function [0] rather than a GUC. Particularly
in the Session Information Functions.

I understand your point, but I think it would be more confusing to document
is_superuser there because it's defined and behaves differently from
session information functions like current_user. For instance,
the value of is_superuser can be displayed using SHOW command,
while current_user cannot. Therefore, it's better to keep is_superuser
separate from the session information functions.


As a side note server_version, server_encoding, lc_collate, and
lc_ctype all appear in both the preset options section of config.sgml
and in show.sgml. I'm not sure what the logic is for just including
these three parameters in show.sgml, but I think we should either
include all of the preset options or none of them.

Agreed. I think that it's better to just treat them as GUCs and
remove their descriptions from show.sgml.

Regards,

--
Fujii Masao
Advanced Computing Technology Center
Research and Development Headquarters
NTT DATA CORPORATION


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