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

class documentation

class BaseSpatialOperations: (source)

Known subclasses: django.contrib.gis.db.backends.mysql.operations.MySQLOperations, django.contrib.gis.db.backends.oracle.operations.OracleOperations, django.contrib.gis.db.backends.postgis.operations.PostGISOperations, django.contrib.gis.db.backends.spatialite.operations.SpatiaLiteOperations

View In Hierarchy

Undocumented

Method	`check_expression_support`	Undocumented
Method	`convert_extent`	Undocumented
Method	`convert_extent3d`	Undocumented
Method	`geo_db_type`	Return the database column type for the geometry field on the spatial backend.
Method	`geo_quote_name`	Undocumented
Method	`geometry_columns`	Undocumented
Method	`get_area_att_for_field`	Undocumented
Method	`get_db_converters`	Undocumented
Method	`get_distance`	Return the distance parameters for the given geometry field, lookup value, and lookup type.
Method	`get_distance_att_for_field`	Undocumented
Method	`get_geom_placeholder`	Return the placeholder for the given geometry field with the given value. Depending on the spatial backend, the placeholder may contain a stored procedure call to the transformation function of the spatial backend.
Method	`get_geometry_converter`	Undocumented
Method	`spatial_aggregate_name`	Undocumented
Method	`spatial_function_name`	Undocumented
Method	`spatial_ref_sys`	Undocumented
Class Variable	`disallowed_aggregates`	Undocumented
Class Variable	`distance_expr_for_lookup`	Undocumented
Class Variable	`from_text`	Undocumented
Class Variable	`function_names`	Undocumented
Class Variable	`geom_func_prefix`	Undocumented
Class Variable	`mariadb`	Undocumented
Class Variable	`mysql`	Undocumented
Class Variable	`oracle`	Undocumented
Class Variable	`postgis`	Undocumented
Class Variable	`select`	Undocumented
Class Variable	`spatial_version`	Undocumented
Class Variable	`spatialite`	Undocumented
Class Variable	`unsupported_functions`	Undocumented
Property	`select_extent`	Undocumented

def check_expression_support(self, expression): (source) ¶

Undocumented

def convert_extent(self, box, srid): (source) ¶

overridden in django.contrib.gis.db.backends.oracle.operations.OracleOperations, django.contrib.gis.db.backends.postgis.operations.PostGISOperations, django.contrib.gis.db.backends.spatialite.operations.SpatiaLiteOperations

Undocumented

def convert_extent3d(self, box, srid): (source) ¶

overridden in django.contrib.gis.db.backends.postgis.operations.PostGISOperations

Undocumented

def geo_db_type(self, f): (source) ¶

overridden in django.contrib.gis.db.backends.mysql.operations.MySQLOperations, django.contrib.gis.db.backends.oracle.operations.OracleOperations, django.contrib.gis.db.backends.postgis.operations.PostGISOperations, django.contrib.gis.db.backends.spatialite.operations.SpatiaLiteOperations

Return the database column type for the geometry field on the spatial backend.

def geo_quote_name(self, name): (source) ¶

overridden in django.contrib.gis.db.backends.oracle.operations.OracleOperations

Undocumented

def geometry_columns(self): (source) ¶

Undocumented

def get_area_att_for_field(self, field): (source) ¶

overridden in django.contrib.gis.db.backends.oracle.operations.OracleOperations, django.contrib.gis.db.backends.postgis.operations.PostGISOperations

Undocumented

def get_db_converters(self, expression): (source) ¶

Undocumented

def get_distance(self, f, value, lookup_type): (source) ¶

Return the distance parameters for the given geometry field, lookup value, and lookup type.

def get_distance_att_for_field(self, field): (source) ¶

Undocumented

def get_geom_placeholder(self, f, value, compiler): (source) ¶

overridden in django.contrib.gis.db.backends.oracle.operations.OracleOperations, django.contrib.gis.db.backends.postgis.operations.PostGISOperations

Return the placeholder for the given geometry field with the given value. Depending on the spatial backend, the placeholder may contain a stored procedure call to the transformation function of the spatial backend.

def get_geometry_converter(self, expression): (source) ¶

Undocumented

def spatial_aggregate_name(self, agg_name): (source) ¶

Undocumented

def spatial_function_name(self, func_name): (source) ¶

Undocumented

def spatial_ref_sys(self): (source) ¶

Undocumented

disallowed_aggregates: tuple = (source) ¶

Undocumented

distance_expr_for_lookup = (source) ¶

overridden in django.contrib.gis.db.backends.postgis.operations.PostGISOperations

Undocumented

from_text: bool = (source) ¶

Undocumented

function_names: dict = (source) ¶

Undocumented

geom_func_prefix: str = (source) ¶

overridden in django.contrib.gis.db.backends.mysql.operations.MySQLOperations, django.contrib.gis.db.backends.postgis.operations.PostGISOperations

Undocumented

mariadb: bool = (source) ¶

overridden in django.contrib.gis.db.backends.mysql.operations.MySQLOperations

Undocumented

mysql: bool = (source) ¶

overridden in django.contrib.gis.db.backends.mysql.operations.MySQLOperations

Undocumented

oracle: bool = (source) ¶

overridden in django.contrib.gis.db.backends.oracle.operations.OracleOperations

Undocumented

postgis: bool = (source) ¶

overridden in django.contrib.gis.db.backends.postgis.operations.PostGISOperations

Undocumented

select: str = (source) ¶

Undocumented

spatial_version = (source) ¶

overridden in django.contrib.gis.db.backends.postgis.operations.PostGISOperations, django.contrib.gis.db.backends.spatialite.operations.SpatiaLiteOperations

Undocumented

spatialite: bool = (source) ¶

overridden in django.contrib.gis.db.backends.spatialite.operations.SpatiaLiteOperations

Undocumented

unsupported_functions: set[str] = (source) ¶

Undocumented

@cached_property
select_extent = (source) ¶

overridden in django.contrib.gis.db.backends.postgis.operations.PostGISOperations

Undocumented