RE: Psql meta-command conninfo+

> Hi,

> On 07.02.2024 23:13, Maiquel Grassi wrote:

> Regarding the "system_user" function, as it is relatively new, I added
> the necessary handling to avoid conflicts with versions lower than version 16.

> Yes, that's rights.
>
> A couple of doubts about the implementation details.
> But keep in mind that I'm not very good at programming in the C language.
> I hope for the help of more experienced developers.
>
>
> 1.
> + if (db == NULL)
> + printf(_("You are currently not connected to a database.\n"));
>
> This check is performed for \conninfo, but not for \conninfo+.
>
>
> 2.
> Some values (address, socket) are evaluated separately for \conninfo
> (via C functions) and for \conninfo+ (via sql functions).
> It may be worth evaluating them in one place. But I'm not sure about that.
>
> The final version of the patch will require changes to the documentation and tests.

--//--

Hi Pavel,

First of all, thank you very much for your observations.

1. The connection check for the case of \conninfo+ is handled by "describe.c" itself since it deals with queries. I might be mistaken, but I believe that by using "printQuery()" via "describe.c", this is already ensured, and there is no need to evaluate the connection status.

2. I believe that by implementing the evaluations separately as they are, it becomes easier to perform future maintenance by minimizing the mixing of C code with SQL code as much as possible. However, certainly, the possibility of a better suggestion than mine remains open.

Regards,
Maiquel O. Grassi.