[postgis-devel] Precision Reduction?

[Regina Obe]

> On Wed, Nov 11, 2020 at 05:50:30PM +0100, rmrodriguez at carto.com wrote:
> > Is this something we want to tackle before GEOS 3.9 and Postgis 3.1?
> >
> > It seems like this is something that needs quite a bit of development,
> > with some important decisions to be made, plus a lot of testing. I'm
> > more inclined to add the low hanging fruits right now (precision
> > reducer functions and so on) and wait for the full set of new features
> > (stored precision, precision in overlay operations with different
> > source precisions and so on) for the next release (in a year), but I'm
> > interested in hearing what your opinions are in this.
> 
> My concern is that if in a year from now we make ST_PrecisionReduce set a
> precision configuration in a Geometry it'll be a behavioural change. But I
> guess we can always add, in the future, an optional parameter to make the
> precision change encoded, so... feel free to go for it.
> 
> --strk;

Maybe we should wait for 3.2.  We are already way behind on PostGIS 3.1 release.  
Let's hold off on making huge changes.