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[ogr] Fix cannot create layers for geopackage datasets when

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the database does not yet exist
This commit is contained in:
Nyall Dawson 2017-11-22 16:47:57 +10:00
parent 8775aff71b
commit abcdd48580
2 changed files with 42 additions and 7 deletions
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6
src/providers/ogr/qgsogrprovider.cpp
View File

@ -282,14 +282,14 @@ QgsVectorLayerExporter::ExportError QgsOgrProvider::createEmptyLayer( const QStr
}
}
}
action = QgsVectorFileWriter::CreateOrOverwriteLayer;
if ( QFileInfo::exists( uri ) )
action = QgsVectorFileWriter::CreateOrOverwriteLayer;
}
}
if ( !overwrite && !update )
{
QFileInfo fi( uri );
if ( fi.exists() )
if ( QFileInfo::exists( uri ) )
{
if ( errorMessage )
*errorMessage += QObject::tr( "Unable to create the datasource. %1 exists and overwrite flag is false." )

43
tests/src/python/test_provider_ogr_gpkg.py
View File

@ -20,10 +20,19 @@ import time
import qgis # NOQA
from osgeo import gdal, ogr
from qgis.core import (QgsFeature, QgsFieldConstraints, QgsGeometry,
QgsRectangle, QgsSettings, QgsVectorLayer,
QgsVectorLayerExporter, QgsPointXY)
from qgis.PyQt.QtCore import QCoreApplication
from qgis.core import (QgsFeature,
QgsCoordinateReferenceSystem,
QgsFields,
QgsField,
QgsFieldConstraints,
QgsGeometry,
QgsRectangle,
QgsSettings,
QgsVectorLayer,
QgsVectorLayerExporter,
QgsPointXY,
QgsWkbTypes)
from qgis.PyQt.QtCore import QCoreApplication, QVariant
from qgis.testing import start_app, unittest
@ -469,6 +478,32 @@ class TestPyQgsOGRProviderGpkg(unittest.TestCase):
self.assertEqual(f['f1'], 3)
features = None
def testExportLayerToExistingDatabase(self):
fields = QgsFields()
fields.append(QgsField('f1', QVariant.Int))
tmpfile = os.path.join(self.basetestpath, 'testCreateNewGeopackage.gpkg')
options = {}
options['update'] = True
options['driverName'] = 'GPKG'
options['layerName'] = 'table1'
exporter = QgsVectorLayerExporter(tmpfile, "ogr", fields, QgsWkbTypes.Polygon, QgsCoordinateReferenceSystem(3111), False, options)
self.assertFalse(exporter.errorCode(),
'unexpected export error {}: {}'.format(exporter.errorCode(), exporter.errorMessage()))
options['layerName'] = 'table2'
exporter = QgsVectorLayerExporter(tmpfile, "ogr", fields, QgsWkbTypes.Point, QgsCoordinateReferenceSystem(3113), False, options)
self.assertFalse(exporter.errorCode(),
'unexpected export error {} : {}'.format(exporter.errorCode(), exporter.errorMessage()))
del exporter
# make sure layers exist
lyr = QgsVectorLayer('{}|layername=table1'.format(tmpfile), "lyr1", "ogr")
self.assertTrue(lyr.isValid())
self.assertEqual(lyr.crs().authid(), 'EPSG:3111')
self.assertEqual(lyr.wkbType(), QgsWkbTypes.Polygon)
lyr2 = QgsVectorLayer('{}|layername=table2'.format(tmpfile), "lyr2", "ogr")
self.assertTrue(lyr2.isValid())
self.assertEqual(lyr2.crs().authid(), 'EPSG:3113')
self.assertEqual(lyr2.wkbType(), QgsWkbTypes.Point)
def testGeopackageTwoLayerEdition(self):
''' test https://issues.qgis.org/issues/17034 '''
tmpfile = os.path.join(self.basetestpath, 'testGeopackageTwoLayerEdition.gpkg')