Re: [Qgis-developer] WFS Provider Strategies

2016-07-20 Thread Andrea Aime
On Wed, Jul 20, 2016 at 6:17 PM, Even Rouault wrote: > The issues were with multiple layer joins with GeoServer in some > circumstances not very > clearly understood ( I don't want to particularly point fingers at > GeoServer, as server side joins is a pretty advanced

Re: [Qgis-developer] WFS Provider Strategies

2016-07-20 Thread Matthias Kuhn
On 20/07/16 18:17, Even Rouault wrote: >> True... Although we could replace the features in the cache instead of >> dropping the new ones for a tiny improvement. > That would indeed help for the next feature request > >> There might be less complicated examples but this is the one I managed to

Re: [Qgis-developer] WFS Provider Strategies

2016-07-20 Thread Even Rouault
> True... Although we could replace the features in the cache instead of > dropping the new ones for a tiny improvement. That would indeed help for the next feature request > > Question: *is **there anybody using WFS with this option unchecked?* > And if yes, for what reason? > >>>

Re: [Qgis-developer] WFS Provider Strategies

2016-07-20 Thread Matthias Kuhn
On 20/07/16 17:51, Even Rouault wrote: >> In which case does that help? Isn't every cached feature downloaded >> again (with potentially more up to date information) anyway? > You get the feeling of a more responsive UI when you can reuse already > downloaded features, but that's true that if

Re: [Qgis-developer] WFS Provider Strategies

2016-07-20 Thread Even Rouault
> In which case does that help? Isn't every cached feature downloaded > again (with potentially more up to date information) anyway? You get the feeling of a more responsive UI when you can reuse already downloaded features, but that's true that if the server content has changed in between, you

Re: [Qgis-developer] WFS Provider Strategies

2016-07-20 Thread Matthias Kuhn
On 20/07/16 17:35, Even Rouault wrote: > Hi, > >> I am a bit confused by the WFS option *"Only request features >> overlapping the view extent"*. >> >> In general, that's what every provider does by default and is a safe >> strategy to use. If this option is unchecked, QGIS will just start >>

[Qgis-developer] WFS Provider Strategies

2016-07-20 Thread Matthias Kuhn
Hi, I am a bit confused by the WFS option *"Only request features overlapping the view extent"*. In general, that's what every provider does by default and is a safe strategy to use. If this option is unchecked, QGIS will just start downloading features randomly until it hits a server limit (or