[postgis-devel] Motion: vote for considering SRID <= 0 as "unknown"

[Paul Ramsey]

+1 for "srid <= 0 implies unknown"
P

On Wed, Oct 5, 2011 at 5:28 AM, Sandro Santilli <strk at keybit.net> wrote:
> On Wed, Oct 05, 2011 at 01:55:33AM -0400, Paragon Corporation wrote:
>> for input <= 0  we treat as unknown
>>
>> +1
>
> So we have 3/5 of the votes (all +1). Mark and Paul missing.
>
> I've a preliminary patch doing this in WKT and WKB parsers,
> as a proof of concept. It fixes the topology testsuite (which
> uses explicit -1 in input). It's attached. A proper patch would
> include testing of the behavior from all possible inputs
> (ST_SetSRID is one of them) and I think should raise a warning
> if a non-official "unknown" srid number is given. Not sure how
> PostGIS should handle accidental explicit presence of <=0 SRIDs
> in existing data (only pre-existing data would be possible to
> have such srids, and not restored from dumps).
>
> --strk;
>
>  ()   Free GIS & Flash consultant/developer
>  /\   http://strk.keybit.net/services.html
>
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