[Qgis-developer] Geospackage Slow in QGIS

Andrea Peri aperi2007 at gmail.com
Sat May 17 01:04:35 PDT 2014

More probably there is some optimal adjust chance, but the geopackage
format is for exchange data. It is sub optimal for work daily.
 Il 17/mag/2014 09:40 "Jeremy Palmer" <JPalmer at linz.govt.nz> ha scritto:

> I've just been using the new implementation of Geopackage in QGIS :)
> However each map render or feature info is very slow for large database
> files - even with the new GDAL/OGR Geopackage spatial index support. Each
> time QGIS renders a new map view or executes a feature info it re-opens the
> Geopackage file in QgsOgrFeatureIterator via OGROpen, and the Geopackage
> driver open method runs PRAGMA integrity_check which is very slow (4 secs
> with my 2GB test file). This integrity check is actually a Geopackage
> requirement.
> How can this be fixed? At the in QGIS or GDAL/OGR level?
> Cheers,
> Jeremy
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