A few precisions: > > My current conclusions are: > 1) the problem is likely in the implementation of MySQL/GDAL driver > since QGIS 2.0
This should rather read : "The problem is likely the implementation of OGR datasource management in QGIS since QGIS XXXX" > 2) The last version that worked fine was QGIS 1.8. > 3) The connection string to mysql in GDAL can be limited to any > particular table. If this is implemented in QGIS, it would be a great > improvement for the performance. That would be at best a workaround. The real problem is the many opening&closing of OGR datasources which can be rather costly depending on the particular OGR driver > > I have big expectations from this list to finally understand why the > described problem occurs and how it can be resolved, > > Best regards, > Pavol > _______________________________________________ > Qgis-developer mailing list > Qgis-developer@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/qgis-developer -- Spatialys - Geospatial professional services http://www.spatialys.com _______________________________________________ Qgis-developer mailing list Qgis-developer@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-developer