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* Feature, my misconception or bug??
@ 2006-02-22 12:04 Achilleus Mantzios <achill@matrix.gatewaynet.com>
0 siblings, 2 replies; 6+ messages in thread
From: Achilleus Mantzios @ 2006-02-22 12:04 UTC (permalink / raw)
To: pgsql-sql
In PgSQL 7.4.12,
foodb=# SELECT '255.255.255.255/24'::cidr;
ERROR: invalid cidr value: "255.255.255.255/24"
DETAIL: Value has bits set to right of mask.
foodb=#
SELECT '255.255.255.255/25'::cidr;
cidr
--------------------
255.255.255.255/25
(1 row)
foodb=#
in this case
11111111.11111111.11111111.11111111
has no bits set to right of
8 LSB ^
??
--
-Achilleus
^ permalink raw reply [nested|flat] 6+ messages in thread
* Re: Feature, my misconception or bug??
@ 2006-02-22 12:47 Peter Eisentraut <peter_e@gmx.net>
parent: Achilleus Mantzios <achill@matrix.gatewaynet.com>
1 sibling, 2 replies; 6+ messages in thread
From: Peter Eisentraut @ 2006-02-22 12:47 UTC (permalink / raw)
To: pgsql-sql; +Cc: Achilleus Mantzios <achill@matrix.gatewaynet.com>
Am Mittwoch, 22. Februar 2006 13:04 schrieb Achilleus Mantzios:
> foodb=# SELECT '255.255.255.255/24'::cidr;
> ERROR: invalid cidr value: "255.255.255.255/24"
> DETAIL: Value has bits set to right of mask.
> in this case
> 11111111.11111111.11111111.11111111
> has no bits set to right of
> 8 LSB ^
I'm sure you are aware that "1" is a set bit, so which part are you not
understanding?
--
Peter Eisentraut
http://developer.postgresql.org/~petere/
^ permalink raw reply [nested|flat] 6+ messages in thread
* Re: Feature, my misconception or bug??
@ 2006-02-22 12:55 Markus Schaber <schabi@logix-tt.com>
parent: Peter Eisentraut <peter_e@gmx.net>
1 sibling, 0 replies; 6+ messages in thread
From: Markus Schaber @ 2006-02-22 12:55 UTC (permalink / raw)
To: Peter Eisentraut <peter_e@gmx.net>; +Cc: pgsql-sql@postgresql.org, Achilleus Mantzios <achill@matrix.gatewaynet.com>
Hi, Peter,
Peter Eisentraut wrote:
> Am Mittwoch, 22. Februar 2006 13:04 schrieb Achilleus Mantzios:
>
>>foodb=# SELECT '255.255.255.255/24'::cidr;
>>ERROR: invalid cidr value: "255.255.255.255/24"
>>DETAIL: Value has bits set to right of mask.
>
>
>>in this case
>>11111111.11111111.11111111.11111111
>>has no bits set to right of
>> 8 LSB ^
>
>
> I'm sure you are aware that "1" is a set bit, so which part are you not
> understanding?
I guess he's confused by the fact that /24 complains about bits 25-31
beeing set, while /25 does not complain aobut bigs 26-31 beeing set.
HTH,
Markus
--
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf. | Software Development GIS
Fight against software patents in EU! www.ffii.org www.nosoftwarepatents.org
^ permalink raw reply [nested|flat] 6+ messages in thread
* Re: Feature, my misconception or bug??
@ 2006-02-22 12:56 Markus Schaber <schabi@logix-tt.com>
parent: Achilleus Mantzios <achill@matrix.gatewaynet.com>
1 sibling, 1 reply; 6+ messages in thread
From: Markus Schaber @ 2006-02-22 12:56 UTC (permalink / raw)
To: Achilleus Mantzios <achill@matrix.gatewaynet.com>; +Cc: pgsql-sql
Achilleus Mantzios wrote:
> In PgSQL 7.4.12,
>
> foodb=# SELECT '255.255.255.255/24'::cidr;
> ERROR: invalid cidr value: "255.255.255.255/24"
> DETAIL: Value has bits set to right of mask.
> foodb=#
>
> SELECT '255.255.255.255/25'::cidr;
> cidr
> --------------------
> 255.255.255.255/25
> (1 row)
This one is refused in 8.1, so I guess that's a fixed bug.
HTH,
Markus
--
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf. | Software Development GIS
Fight against software patents in EU! www.ffii.org www.nosoftwarepatents.org
^ permalink raw reply [nested|flat] 6+ messages in thread
* Re: Feature, my misconception or bug??
@ 2006-02-22 16:31 Achilleus Mantzios <achill@matrix.gatewaynet.com>
parent: Peter Eisentraut <peter_e@gmx.net>
1 sibling, 0 replies; 6+ messages in thread
From: Achilleus Mantzios @ 2006-02-22 16:31 UTC (permalink / raw)
To: Peter Eisentraut <peter_e@gmx.net>; +Cc: pgsql-sql
O Peter Eisentraut Ýãñáøå óôéò Feb 22, 2006 :
> Am Mittwoch, 22. Februar 2006 13:04 schrieb Achilleus Mantzios:
> > foodb=# SELECT '255.255.255.255/24'::cidr;
> > ERROR: invalid cidr value: "255.255.255.255/24"
> > DETAIL: Value has bits set to right of mask.
>
> > in this case
> > 11111111.11111111.11111111.11111111
> > has no bits set to right of
> > 8 LSB ^
>
In the above statement there was a "?", which is missing here.
It should read:
"in this case 11111111.11111111.11111111.11111111 has no bits set to
right of 8th Least Significant Bit???"
(with a ^ showing the position where the mask ends, making it
obviously visible to the ones who use text base MUAs in fixed width font
terminals).
In other words, why doesnt the system produce an error for the second
query as well???
> I'm sure you are aware that "1" is a set bit, so which part are you not
> understanding?
Others (Marcus) have reported that the second query
SELECT '255.255.255.255/25'::cidr;
indeed produces an error in 8.1;
so i guess its a bug in the 7.4.x series.
>
>
--
-Achilleus
^ permalink raw reply [nested|flat] 6+ messages in thread
* Re: Feature, my misconception or bug??
@ 2006-02-23 09:03 Achilleus Mantzios <achill@matrix.gatewaynet.com>
parent: Markus Schaber <schabi@logix-tt.com>
0 siblings, 0 replies; 6+ messages in thread
From: Achilleus Mantzios @ 2006-02-23 09:03 UTC (permalink / raw)
To: Markus Schaber <schabi@logix-tt.com>; +Cc: pgsql-sql
O Markus Schaber Ýãñáøå óôéò Feb 22, 2006 :
> Achilleus Mantzios wrote:
> > In PgSQL 7.4.12,
> >
> > foodb=# SELECT '255.255.255.255/24'::cidr;
> > ERROR: invalid cidr value: "255.255.255.255/24"
> > DETAIL: Value has bits set to right of mask.
> > foodb=#
> >
> > SELECT '255.255.255.255/25'::cidr;
> > cidr
> > --------------------
> > 255.255.255.255/25
> > (1 row)
>
> This one is refused in 8.1, so I guess that's a fixed bug.
Thanx Marcus,
it appears to have been fixed in
http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/adt/network.c.diff?r1=1.53;r2=1.5...
>
> HTH,
> Markus
>
>
>
--
-Achilleus
^ permalink raw reply [nested|flat] 6+ messages in thread
end of thread, other threads:[~2006-02-23 09:03 UTC | newest]
Thread overview: 6+ messages (download: mbox mbox.gz follow: Atom feed)
-- links below jump to the message on this page --
2006-02-22 12:04 Feature, my misconception or bug?? Achilleus Mantzios <achill@matrix.gatewaynet.com>
2006-02-22 12:47 ` Peter Eisentraut <peter_e@gmx.net>
2006-02-22 12:55 ` Markus Schaber <schabi@logix-tt.com>
2006-02-22 16:31 ` Achilleus Mantzios <achill@matrix.gatewaynet.com>
2006-02-22 12:56 ` Markus Schaber <schabi@logix-tt.com>
2006-02-23 09:03 ` Achilleus Mantzios <achill@matrix.gatewaynet.com>
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