本文整理汇总了Python中qgis.core.QgsDataSourceUri.setKeyColumn方法的典型用法代码示例。如果您正苦于以下问题：Python QgsDataSourceUri.setKeyColumn方法的具体用法？Python QgsDataSourceUri.setKeyColumn怎么用？Python QgsDataSourceUri.setKeyColumn使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类qgis.core.QgsDataSourceUri的用法示例。
在下文中一共展示了QgsDataSourceUri.setKeyColumn方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: _getPostGISLayer
# 需要导入模块: from qgis.core import QgsDataSourceUri [as 别名]
# 或者: from qgis.core.QgsDataSourceUri import setKeyColumn [as 别名]
def _getPostGISLayer(cls, type_name, layer_name=None, authcfg=None):
"""
PG layer factory
"""
if layer_name is None:
layer_name = 'pg_' + type_name
uri = QgsDataSourceUri()
uri.setWkbType(QgsWkbTypes.Point)
uri.setConnection("localhost", cls.port, cls.dbname, "", "", QgsDataSourceUri.SslVerifyFull, authcfg)
uri.setKeyColumn('pk')
uri.setSrid('EPSG:4326')
uri.setDataSource('qgis_test', 'someData', "geom", "", "pk")
# Note: do not expand here!
layer = QgsVectorLayer(uri.uri(False), layer_name, 'postgres')
return layer示例2: setUpProvider
# 需要导入模块: from qgis.core import QgsDataSourceUri [as 别名]
# 或者: from qgis.core.QgsDataSourceUri import setKeyColumn [as 别名]
def setUpProvider(cls, authId):
cls.dbconn = 'dbname=\'qgis_test\''
if 'QGIS_PGTEST_DB' in os.environ:
cls.dbconn = os.environ['QGIS_PGTEST_DB']
uri = QgsDataSourceUri()
uri.setConnection("localhost", cls.port, cls.dbname, "", "", QgsDataSourceUri.SslVerifyFull, authId)
uri.setKeyColumn('pk')
uri.setSrid('EPSG:4326')
uri.setDataSource('qgis_test', 'someData', "geom", "", "pk")
provider = QgsProviderRegistry.instance().createProvider('postgres', uri.uri(False))
if provider is None:
raise Exception("cannot create postgres provider")
if not provider.isValid():
raise Exception("Created postgres provider is not valid: {}".format(str(provider.errors())))
# save provider config that is the way how db_manager is aware of a PG connection
cls.addConnectionConfig(TEST_CONNECTION_NAME, uri)