Date: Mon, 8 Sep 2008 09:15:07 -0500 (CDT)
From: Ben Kim <bkim@tamu.edu>
To: Alvaro Herrera <alvherre@commandprompt.com>
cc: "Sofer, Yuval" <Yuval_Sofer@bmc.com>, pgsql-admin@postgresql.org,
	"Abraham, Danny" <danny_abraham@bmc.com>
Subject: Re: problem with pg_stat_activity view
In-Reply-To: <20080908134439.GB4411@alvh.no-ip.org>
Message-ID: <Pine.GSO.4.64.0809080913550.10898@coe.tamu.edu>
References: 
 <BE67D1149BBD5746984545ED91F702E001F43035@hou-ex-02.adprod.bmc.com>
	<Pine.GSO.4.64.0809080824320.9078@coe.tamu.edu>
	<20080908134439.GB4411@alvh.no-ip.org>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed

That explains it... I thought it was a precent encoding but at the same 
time a strange place for a control character.

Regards,

Ben Kim


On Mon, 8 Sep 2008, Alvaro Herrera wrote:

>
>>> ERROR:  invalid input syntax for type inet:
>>> "fe80::104d:416e:a8dc:c02e%12"
>>>
>>> SQL state: 22P02
>
> Interesting.
>
> When we HAVE_IPV6, there's code to remove stuff after a % in an address.
> My bet is that what you're running was not compiled with HAVE_IPV6 and
> so the code is not executed.  Obviously this is invoked in
> pg_stat_get_backend_client_addr().
>
> /*
> * clean_ipv6_addr --- remove any '%zone' part from an IPv6 address string
> *
> * XXX This should go away someday!
> *
> * This is a kluge needed because we don't yet support zones in stored inet
> * values.  Since the result of getnameinfo() might include a zone spec,
> * call this to remove it anywhere we want to feed getnameinfo's output to
> * network_in.  Beats failing entirely.
> *
> * An alternative approach would be to let network_in ignore %-parts for
> * itself, but that would mean we'd silently drop zone specs in user input,
> * which seems not such a good idea.
> */
> void
> clean_ipv6_addr(int addr_family, char *addr)
> {
> #ifdef HAVE_IPV6
>    if (addr_family == AF_INET6)
>    {
>        char       *pct = strchr(addr, '%');
>
>        if (pct)
>            *pct = '\0';
>    }
> #endif
> }
>
> -- 
> Alvaro Herrera                                http://www.CommandPrompt.com/
> PostgreSQL Replication, Consulting, Custom Development, 24x7 support
>
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