Il 25/01/2018 20:39, Jürgen E. Fischer ha scritto: > id should still be unique for all current rows, shouldn't it?
it should, but in the tests we have done it isn't: we end up having > 1 record with the same id and NULL time_end. Apparently this happens when a polygon is split into > 1. All the best. -- Paolo Cavallini - www.faunalia.eu QGIS & PostGIS courses: http://www.faunalia.eu/training.html https://www.google.com/trends/explore?date=all&geo=IT&q=qgis,arcgis
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