[postgis-devel] SnapToGrid and higher dimensions

strk at refractions.net strk at refractions.net
Fri Dec 2 05:11:50 PST 2005

On Fri, Dec 02, 2005 at 12:28:04PM +0100, Markus Schaber wrote:
> Hi, Strk,
> strk at refractions.net wrote:
> > A BOX4D type could do, representing grid cell prototype.
> > Unfortunately adding a new type would require users to dump/reload
> > to upgrade to postgis 1.1.0 (currenlty unneeded).
> I agree with you that a BOX4D is not worth the effort, although I think
> it is possible to add a completely new datatype without dump/reload. No
> old data has to be migrated (because their storage format will not
> change), we only have a bunch of new new and some changed definitions.

I know, but there is no general way of upgrading.
If we could make postgis_proc_upgrade.pl handle this case
I'd have no reserves.


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