[QGIS-Developer] Indexing & web sources

[Alexis R.L.]

Greetings,

I've had a question regarding indexing before looking too deep into the
code for now.

As far as I understand we want to index all layers to provide a smooth
experience by frontloading the indexing. But for big layers and often web
vector layer that can be quite massive this can freeze qgis for a while and
use a lot of resource that are not needed.

Would it be possible to implement a 'dynamic' index for such layer, ie to
use only the data that is currently loaded and integrate any new data to
the index instead of having to process the whole world when unneeded?

Thanks,

Alex
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