[QGIS-Developer] Processing: No spatial index exists for input layer, performance will be severely degraded

[Richard Duivenvoorde]

On 11/23/20 3:23 PM, Andreas Neumann wrote:
> Hi,
> 
> When running QGIS processing models, I frequently get the red warning messages:
> 
> No spatial index exists for input layer, performance will be severely degraded
> 
> These are temporary (intermediate) geopackage files that QGIS generates during the running of the model. Is there an option that QGIS could automatically generate these spatial indexes for intermediate files?

Hi Andreas,

That sounds very reasonable...
But (I'm not an experienced Processing user), I'm trying to replicate, but with my small experiments all intermediary layers become Memory layers.
Do I need to tell processing to use actual intermediate gpkg/files?

Regards,

Richard Duivenvoorde