Loooong time ago you need to add both, but nowadays -append
automatically enables -update. Just clarified it in
https://github.com/OSGeo/gdal/commit/480456769abc11daae065bd112cb7361aa618636
Le 12/12/2022 à 21:25, Rahkonen Jukka a écrit :
Hi,
I saw this question
https://gis.stackexchange.com/questions/447359/what-is-the-effect-of-using-update-when-merging-geojsons-with-ogr2ogr
and started to think when the ogr2ogr option -update is needed even
when the -append option is used. At least for some drivers -append
alone seems to be enough but are there some drivers that explicitly
require also -update?
-Jukka Rahkonen-
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