Class BaseSpatialOperations

django.contrib.gis.db.backends.base.operations.BaseSpatialOperations

Declaration

class BaseSpatialOperations

Methods

▷ def check_expression_support(self, expression)
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▶ def convert_extent(self, box, srid)
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Overrides
This method is overriden in:
▶ def convert_extent3d(self, box, srid)
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Overrides
This method is overriden in:
- django.contrib.gis.db.backends.postgis.operations.PostGISOperations
▶ def geo_db_type(self, f)
Return the database column type for the geometry field on the spatial backend.
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Overrides
This method is overriden in:
▶ def geo_quote_name(self, name)
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Overrides
This method is overriden in:
- django.contrib.gis.db.backends.oracle.operations.OracleOperations
▶ def geometry_columns(self)
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Overrides
This method is overriden in:
▶ def get_area_att_for_field(self, field)
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Overrides
This method is overriden in:
- django.contrib.gis.db.backends.postgis.operations.PostGISOperations
- django.contrib.gis.db.backends.oracle.operations.OracleOperations
▷ def get_db_converters(self, expression)
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▶ def get_distance(self, f, value, lookup_type)
Return the distance parameters for the given geometry field, lookup value, and lookup type.
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Overrides
This method is overriden in:
▷ def get_distance_att_for_field(self, field)
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▶ def get_geom_placeholder(self, f, value, compiler)
Return the placeholder for the given geometry field with the given
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```
value.  Depending on the spatial backend, the placeholder may contain a
stored procedure call to the transformation function of the spatial
backend.
```
Overrides
This method is overriden in:
- django.contrib.gis.db.backends.postgis.operations.PostGISOperations
- django.contrib.gis.db.backends.oracle.operations.OracleOperations
▶ def get_geometry_converter(self, expression)
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Overrides
This method is overriden in:
▷ def select_extent(self) @cached_property
@cached_property
def select_extent(self)
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▶ def spatial_aggregate_name(self, agg_name)
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Overrides
This method is overriden in:
▷ def spatial_function_name(self, func_name)
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▶ def spatial_ref_sys(self)
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Overrides
This method is overriden in:

Subclasses

Reexports

Imported in django.contrib.gis.db.backends.postgis.operations.
Imported in django.contrib.gis.db.backends.mysql.operations.
Imported in django.contrib.gis.db.backends.spatialite.operations.
Imported in django.contrib.gis.db.backends.oracle.operations.