[QGIS-Developer] Support to loading GIS projects from an extended OWC geopackage in the QGIS core

Alessandro Pasotti apasotti at gmail.com
Mon Dec 18 03:36:08 PST 2017

On Mon, Dec 18, 2017 at 12:23 PM, RĂ©gis Haubourg <regis.haubourg at gmail.com>

> Thanks for all your pointers.
> Discussing with Paul Blottiere and Hugo Mercier, we can give some global
> aswers:
> - We didn't think about GPKG, because in the end there was no need to
> spatial data. Please remember that more than 6 months ago, GPKG wasn't as
> promoted and tested than now.
> - Changing the OGR SQLITE provider to GOKG OGR provider shouldn't be too
> much work. The hardest part was synchronizing ancillary data with source
> layer.
> - Spatialite provider is absolutely not a requirement. We tried to use it
> and it appeared too messy concerning featureId's and Primary keys too. Init
> creation option were not exposed in API to be able to quickly create a
> small DB. More largely on spatialite provider, and seeing Luigi's pointer
> to current Spatialite Pull Request, we really think we should only use OGR
> and mutualize all efforts there to have a unique and robust provider.
Sorry, I don't want to hijack the thread but I couldn't agree more on your
last point!
I'm convinced that we should use OGR/GDAL whenever possible, and when it's
not: try hard to contribute to OGR/GDAL to remove the blocker.

Alessandro Pasotti
w3:   www.itopen.it
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