[geos-devel] GEOS NG Regression Review

[Sandro Santilli]

On Mon, Sep 21, 2020 at 12:59:23PM +0200, Sandro Santilli wrote:
> On Thu, Sep 17, 2020 at 05:18:30PM +0200, Sandro Santilli wrote:
> > On Thu, Sep 17, 2020 at 06:55:16AM -0700, Paul Ramsey wrote:
> > > 
> > > 
> > > > On Sep 17, 2020, at 6:54 AM, Sandro Santilli <strk at kbt.io> wrote:
> > > > 
> > > > On Wed, Sep 16, 2020 at 01:25:39PM -0700, Paul Ramsey wrote:
> > > >> 
> > > >>> https://docs.google.com/document/d/1TDm2aR4a7O41-soS-25Xog1EdQcjmvKCnKltxjbxOC0/edit#
> > > >> 
> > > > 
> > > >> * Despite worries, only one file in topology showed any differences. topogeo_addlinestring.sql needs to be looked at by a topology expert, Sandro do you think you could?
> > > > 
> > > > A quick look suggests this is just a lack of normalization from
> > > > the output of OverlayNG (did the old overlay normalize internally ?)
> > > 
> > > No, neither normalizes, it's wasted overhead except in testing. Things just come out of the graphs in different orders.
> > 
> > Well the result seem to be compatible, just different order,
> > so this case could be threated like the other ones of expecting
> > different results based on GEOS version.
> 
> I'll see how to modify the test to not be order dependent.

I modified the tests so that they now pass both with "old" and
"ng" GEOS overlay 

--strk;