Re: Extend ALTER DEFAULT PRIVILEGES for large objects

On Wed, 11 Jun 2025 13:33:07 +0900
Fujii Masao <masao.fujii@oss.nttdata.com> wrote:

> 
> 
> On 2025/06/11 11:49, Yugo Nagata wrote:
> > While looking at the thread [1], I've remembered this thread.
> > The patches in this thread are partially v18-related, but include
> > enhancement or fixes for existing feature, so should they be postponed
> > to v19, or should be separated properly to v18 part and other?
> > 
> > [1] https://www.postgresql.org/message-id/70372bdd-4399-4d5b-ab4f-6d4487a4911a%40oss.nttdata.com
> 
> I see these patches more as enhancements to psql tab-completion,
> rather than fixes for clear oversights in the original commit.
> 
> For example, if tab-completion for ALTER DEFAULT PRIVILEGES had
> completely missed LARGE OBJECTS, that would be an obvious oversight.
> But these patches go beyond that kind of issue.
> 
> That said, if others think it's appropriate to include them in v18
> for consistency or completeness, I'm fine with that.
> 
> Regarding the 0002 patch:
> 
> -    else if (Matches("GRANT", MatchAnyN, "ON", MatchAny, MatchAny))
> -        COMPLETE_WITH("TO");
> -    else if (Matches("REVOKE", MatchAnyN, "ON", MatchAny, MatchAny))
> -        COMPLETE_WITH("FROM");
> +    else if (Matches("GRANT/REVOKE", MatchAnyN, "ON", MatchAny, MatchAny))
> +    {
> +        if (TailMatches("FOREIGN", "SERVER"))
> +            COMPLETE_WITH_QUERY(Query_for_list_of_servers);
> +        else if (!TailMatches("LARGE", "OBJECT"))
> +        {
> +            if (Matches("GRANT", MatchAnyN, "ON", MatchAny, MatchAny))
> +                COMPLETE_WITH("TO");
> +            else
> +                COMPLETE_WITH("FROM");
> +        }
> +    }
> 
> Wouldn't this change break the case where "GRANT ... ON TABLE ... <TAB>"
> is supposed to complete with "TO"?

Sorry, I made a stupid mistake.

> +    else if (Matches("GRANT/REVOKE", MatchAnyN, "ON", MatchAny, MatchAny))

This should be "GRANT|REVOKE".

I've attached update patches. (There is no change on 0001.)

Best regards,
Yugo Nagata

-- 
Yugo Nagata <nagata@sraoss.co.jp>