[geos-devel] OverlayNG for Testing

[Paul Ramsey]

Here's a spreadsheet... 

https://docs.google.com/spreadsheets/d/15Jk5cNuYdxPPA9fXIxCreRJNlkQZjc2KdYaX-odW8So/edit#gid=936876052

It's probably not complete, but it's got the big entries... 

> On Aug 6, 2020, at 1:08 PM, Sandro Santilli <strk at kbt.io> wrote:
> 
> On Thu, Jul 30, 2020 at 06:04:11PM -0700, Paul Ramsey wrote:
> 
>> On a similar note, Martin has recovered the old behaviour for linstrings in overlays so we should be able to be back-compatible there too. As with the collections, there's an existing mechanism to get "nicer" behaviour already, the ST_Linemerge function. 
>> 
>> My hope is that, if we do these pieces to get old semantics, we will just be left with adding in the Z handling and be very very close to original semantics, enough so that we can stamp it 3.9 instead of 4.0. I love backwards compatibility on principle.
> 
> Do you have an updated list of tasks to complete to get backward
> compatibility in place ? I probably have the possibility to work
> on some of them.
> 
> --strk;
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