[postgis-devel] Vote to drop support for 8.4 in 2.1

[Havard Tveite]

Current Debian (squeeze) is using 8.4.  Next Debian
(wheezy) is using 9.1.
I think it would be good if PostGIS could wait with
dropping 8.4 support until wheezy is out (probably
early next year).

Håvard

On 5/23/2012 8:46 AM, Paragon Corporation wrote:
> Now that we are all entrenched in 2.1, I'd like to get this out of the way so we don't have to waste time testing it anymore.
> I propose we drop 8.4 support in 2.1 because:
> 1) 2.1 is going to have to support 9.0,9.1,9.2 (and yikes maybe even 9.3)
> 2) There are many changes in how plpgsql works between 8.4 and the 9.0 that makes it difficult to cross
> test - for example how aliases are handled in 9.0 -- so code that works in 8.4 may not work in 9.0
> 3) lack of ordered by aggs in 8.4 which I feel might be important later on for raster and topology
> 4) improvements in window functionality in 9.0 missing in 8.4 (e.g. great improvements in RANGE and intro of numbered ROWS)
> which again would be useful probably more so for topology (possibly tiger geocoder) than any other piece of PostGIS.
> 5) 9.1 and 9.2 will support KNN GIST, 9.2 will support SP GIST so we are already coding exceptions. I know we still have to for 9.0
> 6) PGXS - Mark's hack is needed for 8.4 but not for 9.0 etc. -- Mark can you confirm?
> 7) I think in 2.2 we'll probably be forced to drop 9.0 and dropping two versions in one release I think is too steep of a slope for our users.
> Thanks,
> Regina
> http://www.postgis.us