Hi Didier,
I don't think that anyone is working on a client-side historisation option in QGIS. And there wasn't much demand for that in the past, since most serious GIS data resides in databases. Andreas On 2015-07-20 09:45, didier peeters wrote: > Hello Andreas, > > yes it's for some 'historisation', more precisely to make a filiation, and > yes I certainly will use triggers in PostGIS. But I wanted to avoid confusion > between different kind of edition operations that I'm not currently > foreseeing; I'm not sure it will always be easy to distinct this specific > action from others. And I thought that it might also be interesting outside > of the database world, to have that "edit and preserve" operation. > > Didier > > Le 20 juil. 2015 à 09:10, Neumann, Andreas <a.neum...@carto.net> a écrit : > > Hi Didier, > > Is this for historisation purposes? If yes, I would look into database > solutions to do historization. > > The SQL-MM standard has this as a built-in tool set for databases, however, > PostgreSQL does not implement this part of the SQL specification (I believe > the latest versions of SQL server and Oracle 12 does). However, you can > simulate the same in Postgis, using triggers and rules. > > Andreas > > On 2015-07-20 08:00, didier peeters wrote: Hello, > > I would like to find the best solution to the following case: > > in QGis, when editing a polygon (splitting it in 2 parts) I need to save the > original shape, in order to keep the different steps of its evolution; this > operation is likely to be repeated several times. The solution I found is to > > * start by copying the polygon, > * then edit it (split) > * then pasting back the original one, > * then adjust and update the attributes of the 2 new polygons. > > Is there a less tricky way to achieve this ? > > If not it would be nice to have an option in the save dialog (with a default > behaviour set in the Settings), and I would file a feature request. > > Didier > > _______________________________________________ > Qgis-user mailing list > Qgis-user@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/qgis-user [1] _______________________________________________ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user [1] Links: ------ [1] http://lists.osgeo.org/mailman/listinfo/qgis-user
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