Howdy!I'd like to force a provider filter when a user adds a PostGIS layer and have it applied *before* any data is loaded. Setting it after the layer (and some of its big data) is loaded initially is not an option.
Is there a way to sneak in between "user clicked something in the GUI to load a table/query and QGIS will construct a QgsVectorLayer now" and "QGIS now talks to the PostGIS database to get the data for the new layer", maybe with a signal?
Something like a "layerAboutToBeLoaded" (like the opposite layerWillBeRemoved on https://qgis.org/pyqgis/master/core/QgsProject.html) basically. :o)
Cheers, Hannes
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