Removed GeoQuerySet leftovers.

Follow up to a0d166306fbdc41f49e6fadf4ec84b17eb147daa.

5 files changed, 13 insertions, 104 deletions

diff --git a/django/contrib/gis/db/backends/base/operations.py b/django/contrib/gis/db/backends/base/operations.py
index e24e45188c..ceb899a1e0 100644
--- a/django/contrib/gis/db/backends/base/operations.py
+++ b/django/contrib/gis/db/backends/base/operations.py
@@ -16,30 +16,6 @@ class BaseSpatialOperations:
     geography = False
     geometry = False
 
-    area = False
-    bounding_circle = False
-    centroid = False
-    difference = False
-    distance = False
-    distance_sphere = False
-    distance_spheroid = False
-    envelope = False
-    force_rhr = False
-    mem_size = False
-    num_geom = False
-    num_points = False
-    perimeter = False
-    perimeter3d = False
-    point_on_surface = False
-    polygonize = False
-    reverse = False
-    scale = False
-    snap_to_grid = False
-    sym_difference = False
-    transform = False
-    translate = False
-    union = False
-
     # Aggregates
     disallowed_aggregates = ()
 
@@ -59,13 +35,6 @@ class BaseSpatialOperations:
         'Translate', 'Union',
     }
 
-    # Serialization
-    geohash = False
-    geojson = False
-    gml = False
-    kml = False
-    svg = False
-
     # Constructors
     from_text = False
     from_wkb = False
diff --git a/django/contrib/gis/db/backends/oracle/operations.py b/django/contrib/gis/db/backends/oracle/operations.py
index 6c82996692..4778da135a 100644
--- a/django/contrib/gis/db/backends/oracle/operations.py
+++ b/django/contrib/gis/db/backends/oracle/operations.py
@@ -63,21 +63,7 @@ class OracleOperations(BaseSpatialOperations, DatabaseOperations):
 
     Adapter = OracleSpatialAdapter
 
-    area = 'SDO_GEOM.SDO_AREA'
-    gml = 'SDO_UTIL.TO_GMLGEOMETRY'
-    centroid = 'SDO_GEOM.SDO_CENTROID'
-    difference = 'SDO_GEOM.SDO_DIFFERENCE'
-    distance = 'SDO_GEOM.SDO_DISTANCE'
     extent = 'SDO_AGGR_MBR'
-    intersection = 'SDO_GEOM.SDO_INTERSECTION'
-    length = 'SDO_GEOM.SDO_LENGTH'
-    num_points = 'SDO_UTIL.GETNUMVERTICES'
-    perimeter = length
-    point_on_surface = 'SDO_GEOM.SDO_POINTONSURFACE'
-    reverse = 'SDO_UTIL.REVERSE_LINESTRING'
-    sym_difference = 'SDO_GEOM.SDO_XOR'
-    transform = 'SDO_CS.TRANSFORM'
-    union = 'SDO_GEOM.SDO_UNION'
     unionagg = 'SDO_AGGR_UNION'
 
     from_text = 'SDO_GEOMETRY'
@@ -222,6 +208,8 @@ class OracleOperations(BaseSpatialOperations, DatabaseOperations):
         SRID of the field.  Specifically, this routine will substitute in the
         SDO_CS.TRANSFORM() function call.
         """
+        tranform_func = self.spatial_function_name('Transform')
+
         if value is None:
             return 'NULL'
 
@@ -230,7 +218,7 @@ class OracleOperations(BaseSpatialOperations, DatabaseOperations):
 
         if hasattr(value, 'as_sql'):
             if transform_value(value, f.srid):
-                placeholder = '%s(%%s, %s)' % (self.transform, f.srid)
+                placeholder = '%s(%%s, %s)' % (tranform_func, f.srid)
             else:
                 placeholder = '%s'
             # No geometry value used for F expression, substitute in
@@ -239,7 +227,7 @@ class OracleOperations(BaseSpatialOperations, DatabaseOperations):
             return placeholder % sql
         else:
             if transform_value(value, f.srid):
-                return '%s(SDO_GEOMETRY(%%s, %s), %s)' % (self.transform, value.srid, f.srid)
+                return '%s(SDO_GEOMETRY(%%s, %s), %s)' % (tranform_func, value.srid, f.srid)
             else:
                 return 'SDO_GEOMETRY(%%s, %s)' % f.srid
 
diff --git a/django/contrib/gis/db/backends/postgis/operations.py b/django/contrib/gis/db/backends/postgis/operations.py
index 574aa5ff4a..7bb66b8a0c 100644
--- a/django/contrib/gis/db/backends/postgis/operations.py
+++ b/django/contrib/gis/db/backends/postgis/operations.py
@@ -153,44 +153,12 @@ class PostGISOperations(BaseSpatialOperations, DatabaseOperations):
 
         prefix = self.geom_func_prefix
 
-        self.area = prefix + 'Area'
-        self.bounding_circle = prefix + 'MinimumBoundingCircle'
-        self.centroid = prefix + 'Centroid'
         self.collect = prefix + 'Collect'
-        self.difference = prefix + 'Difference'
-        self.distance = prefix + 'Distance'
-        self.distance_sphere = prefix + 'distance_sphere'
-        self.distance_spheroid = prefix + 'distance_spheroid'
-        self.envelope = prefix + 'Envelope'
         self.extent = prefix + 'Extent'
         self.extent3d = prefix + '3DExtent'
-        self.force_rhr = prefix + 'ForceRHR'
-        self.geohash = prefix + 'GeoHash'
-        self.geojson = prefix + 'AsGeoJson'
-        self.gml = prefix + 'AsGML'
-        self.intersection = prefix + 'Intersection'
-        self.isvalid = prefix + 'IsValid'
-        self.kml = prefix + 'AsKML'
-        self.length = prefix + 'Length'
         self.length3d = prefix + '3DLength'
-        self.length_spheroid = prefix + 'length_spheroid'
         self.makeline = prefix + 'MakeLine'
-        self.makevalid = prefix + 'MakeValid'
-        self.mem_size = prefix + 'mem_size'
-        self.num_geom = prefix + 'NumGeometries'
-        self.num_points = prefix + 'npoints'
-        self.perimeter = prefix + 'Perimeter'
         self.perimeter3d = prefix + '3DPerimeter'
-        self.point_on_surface = prefix + 'PointOnSurface'
-        self.polygonize = prefix + 'Polygonize'
-        self.reverse = prefix + 'Reverse'
-        self.scale = prefix + 'Scale'
-        self.snap_to_grid = prefix + 'SnapToGrid'
-        self.svg = prefix + 'AsSVG'
-        self.sym_difference = prefix + 'SymDifference'
-        self.transform = prefix + 'Transform'
-        self.translate = prefix + 'Translate'
-        self.union = prefix + 'Union'
         self.unionagg = prefix + 'Union'
 
     @cached_property
@@ -324,6 +292,8 @@ class PostGISOperations(BaseSpatialOperations, DatabaseOperations):
         not in the SRID of the field. Specifically, this routine will
         substitute in the ST_Transform() function call.
         """
+        tranform_func = self.spatial_function_name('Transform')
+
         # Get the srid for this object
         if value is None:
             value_srid = None
@@ -337,9 +307,9 @@ class PostGISOperations(BaseSpatialOperations, DatabaseOperations):
         if value_srid is None or value_srid == f.srid:
             placeholder = '%s'
         elif f.geom_type == 'RASTER' and isinstance(value, str):
-            placeholder = '%s((%%s)::raster, %s)' % (self.transform, f.srid)
+            placeholder = '%s((%%s)::raster, %s)' % (tranform_func, f.srid)
         else:
-            placeholder = '%s(%%s, %s)' % (self.transform, f.srid)
+            placeholder = '%s(%%s, %s)' % (tranform_func, f.srid)
 
         if hasattr(value, 'as_sql'):
             # If this is an F expression, then we don't really want
diff --git a/django/contrib/gis/db/backends/spatialite/operations.py b/django/contrib/gis/db/backends/spatialite/operations.py
index 33c69dc1a7..b859765c20 100644
--- a/django/contrib/gis/db/backends/spatialite/operations.py
+++ b/django/contrib/gis/db/backends/spatialite/operations.py
@@ -38,29 +38,9 @@ class SpatiaLiteOperations(BaseSpatialOperations, DatabaseOperations):
 
     Adapter = SpatiaLiteAdapter
 
-    area = 'Area'
-    centroid = 'Centroid'
     collect = 'Collect'
-    contained = 'MbrWithin'
-    difference = 'Difference'
-    distance = 'Distance'
-    envelope = 'Envelope'
     extent = 'Extent'
-    geojson = 'AsGeoJSON'
-    gml = 'AsGML'
-    intersection = 'Intersection'
-    kml = 'AsKML'
-    length = 'GLength'  # OpenGis defines Length, but this conflicts with an SQLite reserved keyword
     makeline = 'MakeLine'
-    num_geom = 'NumGeometries'
-    num_points = 'NumPoints'
-    point_on_surface = 'PointOnSurface'
-    scale = 'ScaleCoords'
-    svg = 'AsSVG'
-    sym_difference = 'SymDifference'
-    transform = 'Transform'
-    translate = 'ShiftCoords'
-    union = 'GUnion'  # OpenGis defines Union, but this conflicts with an SQLite reserved keyword
     unionagg = 'GUnion'
 
     from_text = 'GeomFromText'
@@ -178,11 +158,13 @@ class SpatiaLiteOperations(BaseSpatialOperations, DatabaseOperations):
         SRID of the field.  Specifically, this routine will substitute in the
         Transform() and GeomFromText() function call(s).
         """
+        tranform_func = self.spatial_function_name('Transform')
+
         def transform_value(value, srid):
             return not (value is None or value.srid == srid)
         if hasattr(value, 'as_sql'):
             if transform_value(value, f.srid):
-                placeholder = '%s(%%s, %s)' % (self.transform, f.srid)
+                placeholder = '%s(%%s, %s)' % (tranform_func, f.srid)
             else:
                 placeholder = '%s'
             # No geometry value used for F expression, substitute in
@@ -192,7 +174,7 @@ class SpatiaLiteOperations(BaseSpatialOperations, DatabaseOperations):
         else:
             if transform_value(value, f.srid):
                 # Adding Transform() to the SQL placeholder.
-                return '%s(%s(%%s,%s), %s)' % (self.transform, self.from_text, value.srid, f.srid)
+                return '%s(%s(%%s,%s), %s)' % (tranform_func, self.from_text, value.srid, f.srid)
             else:
                 return '%s(%%s,%s)' % (self.from_text, f.srid)
 
diff --git a/tests/gis_tests/geoapp/test_functions.py b/tests/gis_tests/geoapp/test_functions.py
index 6b2a725ff7..ac429dfda9 100644
--- a/tests/gis_tests/geoapp/test_functions.py
+++ b/tests/gis_tests/geoapp/test_functions.py
@@ -24,7 +24,7 @@ class GISFunctionsTests(TestCase):
 
     def test_asgeojson(self):
         # Only PostGIS and SpatiaLite support GeoJSON.
-        if not connection.ops.geojson:
+        if not connection.features.has_AsGeoJSON_function:
             with self.assertRaises(NotImplementedError):
                 list(Country.objects.annotate(json=functions.AsGeoJSON('mpoly')))
             return