[QGIS-Developer] Processing: questions on temporary files

[Matthias Kuhn]

On 12/9/19 12:00 PM, Nyall Dawson wrote:
> On Mon, 9 Dec 2019 at 20:10, Matthias Kuhn <matthias at opengis.ch> wrote:
>> Thanks for the clarification Andreas, indeed there was a misunderstanding on my end.
>>
>> That's admittedly a pain point with GPKG, I hope this can be resolved in future versions of the spec.
>>
>> But let's be honest, in QGIS we are not much better yet, integration of additional geometry columns is not very polished. We have a "main" geometry column to work with and "secondary" geometry columns which can be accessed to some degree. A concept which we can tack onto GPKG (or any format with no field content limitation --  guess who just dropped out of the candidate formats) as well.
> Yes, this is something I think we need to work on. Secondary geometry
> fields should be exposed as geometry values, not wkt or wkb or another
> encoded format.
>
> I've submitted various PRs over the years to try to implement this,
> but none of them have been good enough to merge :P (yet!)
>
> Nyall

I've been there too. And recently had to add yet another regex in a 
project to parse EWKT :(

Let's make sure QGIS 4 will have native geometry type attributes for pg!

Matthias