Re: LibPQ doesn't say host=* translates to localhost
| От | David G. Johnston |
|---|---|
| Тема | Re: LibPQ doesn't say host=* translates to localhost |
| Дата | |
| Msg-id | CAKFQuwZrnhgQHRa_ArB-kBgrXV+w=ovfR_F4FEamgc-asu0j8g@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: LibPQ doesn't say host=* translates to localhost (Francisco Olarte <folarte@peoplecall.com>) |
| Ответы |
Re: LibPQ doesn't say host=* translates to localhost
|
| Список | pgsql-bugs |
On Fri, Jun 28, 2024 at 12:48 AM Francisco Olarte <folarte@peoplecall.com> wrote:
On Thu, 27 Jun 2024 at 21:57, David G. Johnston
<david.g.johnston@gmail.com> wrote:
> The documentation [0] doesn't say this should work and general networking knowledge leads me to believe it wouldn't [1].
>
> PGHOST='*' psql postgres
> psql (17beta1)
> SSL connection (protocol: TLSv1.3, cipher: TLS_AES_256_GCM_SHA384, compression: off, ALPN: postgresql)
> Type "help" for help.
>
> postgres=# \conninfo
> You are connected to database "postgres" as user "davidj" on host "*" (address "127.0.0.1") at port "5432".
> SSL connection (protocol: TLSv1.3, cipher: TLS_AES_256_GCM_SHA384, compression: off, ALPN: postgresql)
>
> David J.
>
> [0] https://www.postgresql.org/docs/current/libpq-connect.html#LIBPQ-PARAMKEYWORDS
>
> [1]
> ping *
> ping: src: Temporary failure in name resolution
Bad quoting, PGHOST=¡*', single quoted, but ping *, unquouted, with an
error message which hints at <<echo ping *>> giving back <<ping src
....>>
Bug may be real, but ping '*' could give some better data for debugging.
Good catch.
ping '*'
ping: *: Name or service not known
ping: *: Name or service not known
This is Ubuntu.
I'm fine with not documenting this if we are delegating to some underlying library that makes the behavior platform-specific (though maybe document that...even though it now seems obvious to me in retrospect). I just thought since ping didn't work we were doing something in between to avoid the issue.
David J.
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