[postgis-users] Postgis Topology and slow topology.TopoGeo_addLinestring on big datasets

Sandro Santilli strk at kbt.io
Wed Feb 26 03:19:26 PST 2020

On Wed, Feb 26, 2020 at 11:10:36AM +0000, Lars Aksel Opsahl wrote:

> Yes I can do that but then I have to remove this extra lines when done.
> This should by able to do by checking if two faces that share edge belongs the same original polygon.

Yes, it is a way.

> If checkout this code "git fetch origin pull/28/head:batch-topo2" is any problem for me to compile this code and test it ?

The code in that branch is broken, as shown by the bot
building it, unfortunately.

> Or do I have to do a lot changes in my own code to test it ?

Yes, the code would also need to be changed, and won't be performant
because that branch only touches ST_CreateTopoGeo, which needs to
do everything at once (loading all in memory).


More information about the postgis-users mailing list