本文整理汇总了Python中django.contrib.gis.db.models.aggregates.Union方法的典型用法代码示例。如果您正苦于以下问题：Python aggregates.Union方法的具体用法？Python aggregates.Union怎么用？Python aggregates.Union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django.contrib.gis.db.models.aggregates的用法示例。
在下文中一共展示了aggregates.Union方法的7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: unsupported_functions
# 需要导入模块: from django.contrib.gis.db.models import aggregates [as 别名]
# 或者: from django.contrib.gis.db.models.aggregates import Union [as 别名]
def unsupported_functions(self):
unsupported = {
'AsGeoJSON', 'AsGML', 'AsKML', 'AsSVG', 'BoundingCircle',
'Difference', 'ForceRHR', 'GeoHash', 'Intersection', 'MemSize',
'Perimeter', 'PointOnSurface', 'Reverse', 'Scale', 'SnapToGrid',
'SymDifference', 'Transform', 'Translate',
}
if self.connection.mysql_version < (5, 6, 1):
unsupported.update({'Distance', 'Union'})
return unsupported 示例2: unionagg
# 需要导入模块: from django.contrib.gis.db.models import aggregates [as 别名]
# 或者: from django.contrib.gis.db.models.aggregates import Union [as 别名]
def unionagg(self, **kwargs):
"""
Performs an aggregate union on the given geometry field. Returns
None if the GeoQuerySet is empty. The `tolerance` keyword is for
Oracle backends only.
"""
warnings.warn(
"The unionagg GeoQuerySet method is deprecated. Use the Union() "
"aggregate in an aggregate() or annotate() method.",
RemovedInDjango110Warning, stacklevel=2
)
return self._spatial_aggregate(aggregates.Union, **kwargs)
# ### Private API -- Abstracted DRY routines. ### 示例3: function_names
# 需要导入模块: from django.contrib.gis.db.models import aggregates [as 别名]
# 或者: from django.contrib.gis.db.models.aggregates import Union [as 别名]
def function_names(self):
return {
'Area': 'Area' if self.is_mysql_5_5 else 'ST_Area',
'Centroid': 'Centroid' if self.is_mysql_5_5 else 'ST_Centroid',
'Difference': 'ST_Difference',
'Distance': 'ST_Distance',
'Envelope': 'Envelope' if self.is_mysql_5_5 else 'ST_Envelope',
'Intersection': 'ST_Intersection',
'Length': 'GLength' if self.is_mysql_5_5 else 'ST_Length',
'NumGeometries': 'NumGeometries' if self.is_mysql_5_5 else 'ST_NumGeometries',
'NumPoints': 'NumPoints' if self.is_mysql_5_5 else 'ST_NumPoints',
'SymDifference': 'ST_SymDifference',
'Union': 'ST_Union',
} 示例4: unsupported_functions
# 需要导入模块: from django.contrib.gis.db.models import aggregates [as 别名]
# 或者: from django.contrib.gis.db.models.aggregates import Union [as 别名]
def unsupported_functions(self):
unsupported = {
'AsGeoJSON', 'AsGML', 'AsKML', 'AsSVG', 'BoundingCircle',
'ForceRHR', 'GeoHash', 'IsValid', 'MakeValid', 'MemSize',
'Perimeter', 'PointOnSurface', 'Reverse', 'Scale', 'SnapToGrid',
'Transform', 'Translate',
}
if self.is_mysql_5_5:
unsupported.update({'Difference', 'Distance', 'Intersection', 'SymDifference', 'Union'})
return unsupported 示例5: supports_union_aggr
# 需要导入模块: from django.contrib.gis.db.models import aggregates [as 别名]
# 或者: from django.contrib.gis.db.models.aggregates import Union [as 别名]
def supports_union_aggr(self):
return aggregates.Union not in self.connection.ops.disallowed_aggregates 示例6: unionagg
# 需要导入模块: from django.contrib.gis.db.models import aggregates [as 别名]
# 或者: from django.contrib.gis.db.models.aggregates import Union [as 别名]
def unionagg(self, **kwargs):
"""
Performs an aggregate union on the given geometry field. Returns
None if the GeoQuerySet is empty. The `tolerance` keyword is for
Oracle backends only.
"""
warnings.warn(
"The unionagg GeoQuerySet method is deprecated. Use the Union() "
"aggregate in an aggregate() or annotate() method.",
RemovedInDjango20Warning, stacklevel=2
)
return self._spatial_aggregate(aggregates.Union, **kwargs)
# ### Private API -- Abstracted DRY routines. ### 示例7: unionagg
# 需要导入模块: from django.contrib.gis.db.models import aggregates [as 别名]
# 或者: from django.contrib.gis.db.models.aggregates import Union [as 别名]
def unionagg(self, **kwargs):
"""
Performs an aggregate union on the given geometry field. Returns
None if the GeoQuerySet is empty. The `tolerance` keyword is for
Oracle backends only.
"""
return self._spatial_aggregate(aggregates.Union, **kwargs)
### Private API -- Abstracted DRY routines. ###