Refs #28841 -- Removed ForceRHR function per deprecation timeline.

django/contrib/gis/db/backends/base/operations.py

@@ -40,10 +40,10 @@ class BaseSpatialOperations:
     unsupported_functions = {
         'Area', 'AsGeoJSON', 'AsGML', 'AsKML', 'AsSVG', 'Azimuth',
         'BoundingCircle', 'Centroid', 'Difference', 'Distance', 'Envelope',
-        'ForceRHR', 'GeoHash', 'Intersection', 'IsValid', 'Length',
-        'LineLocatePoint', 'MakeValid', 'MemSize', 'NumGeometries',
-        'NumPoints', 'Perimeter', 'PointOnSurface', 'Reverse', 'Scale',
-        'SnapToGrid', 'SymDifference', 'Transform', 'Translate', 'Union',
+        'GeoHash', 'Intersection', 'IsValid', 'Length', 'LineLocatePoint',
+        'MakeValid', 'MemSize', 'NumGeometries', 'NumPoints', 'Perimeter',
+        'PointOnSurface', 'Reverse', 'Scale', 'SnapToGrid', 'SymDifference',
+        'Transform', 'Translate', 'Union',
     }
 
     # Constructors

django/contrib/gis/db/backends/mysql/operations.py

@@ -56,9 +56,9 @@ class MySQLOperations(BaseSpatialOperations, DatabaseOperations):
     def unsupported_functions(self):
         unsupported = {
             'AsGML', 'AsKML', 'AsSVG', 'Azimuth', 'BoundingCircle',
-            'ForcePolygonCW', 'ForceRHR', 'LineLocatePoint', 'MakeValid',
-            'MemSize', 'Perimeter', 'PointOnSurface', 'Reverse', 'Scale',
-            'SnapToGrid', 'Transform', 'Translate',
+            'ForcePolygonCW', 'LineLocatePoint', 'MakeValid', 'MemSize',
+            'Perimeter', 'PointOnSurface', 'Reverse', 'Scale', 'SnapToGrid',
+            'Transform', 'Translate',
         }
         if self.connection.mysql_is_mariadb:
             unsupported.update({'GeoHash', 'IsValid'})

django/contrib/gis/db/backends/oracle/operations.py

@@ -106,9 +106,9 @@ class OracleOperations(BaseSpatialOperations, DatabaseOperations):
     }
 
     unsupported_functions = {
-        'AsGeoJSON', 'AsKML', 'AsSVG', 'Azimuth',
-        'ForcePolygonCW', 'ForceRHR', 'GeoHash', 'LineLocatePoint',
-        'MakeValid', 'MemSize', 'Scale', 'SnapToGrid', 'Translate',
+        'AsGeoJSON', 'AsKML', 'AsSVG', 'Azimuth', 'ForcePolygonCW', 'GeoHash',
+        'LineLocatePoint', 'MakeValid', 'MemSize', 'Scale', 'SnapToGrid',
+        'Translate',
     }
 
     def geo_quote_name(self, name):

django/contrib/gis/db/backends/spatialite/operations.py

@@ -81,7 +81,7 @@ class SpatiaLiteOperations(BaseSpatialOperations, DatabaseOperations):
 
     @cached_property
     def unsupported_functions(self):
-        unsupported = {'BoundingCircle', 'ForceRHR', 'MemSize'}
+        unsupported = {'BoundingCircle', 'MemSize'}
         if not self.lwgeom_version():
             unsupported |= {'Azimuth', 'GeoHash', 'IsValid', 'MakeValid'}
         return unsupported

django/contrib/gis/db/models/functions.py

-import warnings
 from decimal import Decimal
 
 from django.contrib.gis.db.models.fields import BaseSpatialField, GeometryField
@@ -11,7 +10,6 @@ from django.db.models import (
 from django.db.models.expressions import Func, Value
 from django.db.models.functions import Cast
 from django.db.utils import NotSupportedError
-from django.utils.deprecation import RemovedInDjango30Warning
 from django.utils.functional import cached_property
 
 NUMERIC_TYPES = (int, float, Decimal)
@@ -284,17 +282,6 @@ class ForcePolygonCW(GeomOutputGeoFunc):
     arity = 1
 
 
-class ForceRHR(GeomOutputGeoFunc):
-    arity = 1
-
-    def __init__(self, *args, **kwargs):
-        warnings.warn(
-            'ForceRHR is deprecated in favor of ForcePolygonCW.',
-            RemovedInDjango30Warning, stacklevel=2,
-        )
-        super().__init__(*args, **kwargs)
-
-
 class GeoHash(GeoFunc):
     output_field = TextField()
 

docs/ref/contrib/gis/db-api.txt

@@ -383,7 +383,6 @@ Function                              PostGIS  Oracle          MySQL        Spat
 :class:`Distance`                     X        X               X            X
 :class:`Envelope`                     X        X               X            X
 :class:`ForcePolygonCW`               X                                     X
-:class:`ForceRHR`                     X
 :class:`GeoHash`                      X                        X (≥ 5.7.5)  X (LWGEOM)
 :class:`Intersection`                 X        X               X            X
 :class:`IsValid`                      X        X               X (≥ 5.7.5)  X (LWGEOM)

docs/ref/contrib/gis/functions.txt

@@ -24,12 +24,11 @@ Function's summary:
 Measurement         Relationships              Operations              Editors                  Output format       Miscellaneous
 ==================  ========================   ======================  =======================  ==================  =====================
 :class:`Area`       :class:`Azimuth`           :class:`Difference`     :class:`ForcePolygonCW`  :class:`AsGeoJSON`  :class:`IsValid`
-:class:`Distance`   :class:`BoundingCircle`    :class:`Intersection`   :class:`ForceRHR`        :class:`AsGML`      :class:`MemSize`
-:class:`Length`     :class:`Centroid`          :class:`SymDifference`  :class:`MakeValid`       :class:`AsKML`      :class:`NumGeometries`
-:class:`Perimeter`  :class:`Envelope`          :class:`Union`          :class:`Reverse`         :class:`AsSVG`      :class:`NumPoints`
-..                  :class:`LineLocatePoint`                           :class:`Scale`           :class:`GeoHash`
-..                  :class:`PointOnSurface`                            :class:`SnapToGrid`
-..                                                                     :class:`Transform`
+:class:`Distance`   :class:`BoundingCircle`    :class:`Intersection`   :class:`MakeValid`       :class:`AsGML`      :class:`MemSize`
+:class:`Length`     :class:`Centroid`          :class:`SymDifference`  :class:`Reverse`         :class:`AsKML`      :class:`NumGeometries`
+:class:`Perimeter`  :class:`Envelope`          :class:`Union`          :class:`Scale`           :class:`AsSVG`      :class:`NumPoints`
+..                  :class:`LineLocatePoint`                           :class:`SnapToGrid`      :class:`GeoHash`
+..                  :class:`PointOnSurface`                            :class:`Transform`
 ..                                                                     :class:`Translate`
 ==================  ========================   ======================  =======================  ==================  =====================
 
@@ -291,21 +290,6 @@ of the polygon/multipolygon in which all exterior rings are oriented clockwise
 and all interior rings are oriented counterclockwise. Non-polygonal geometries
 are returned unchanged.
 
-``ForceRHR``
-============
-
-.. class:: ForceRHR(expression, **extra)
-
-.. deprecated:: 2.1
-
-    Use :class:`ForcePolygonCW` instead.
-
-*Availability*: `PostGIS <https://postgis.net/docs/ST_ForceRHR.html>`__
-
-Accepts a single geographic field or expression and returns a modified version
-of the polygon/multipolygon in which all of the vertices follow the
-right-hand rule.
-
 ``GeoHash``
 ===========
 

docs/releases/3.0.txt

@@ -253,4 +253,4 @@ to remove usage of these features.
 See :ref:`deprecated-features-2.1` for details on these changes, including how
 to remove usage of these features.
 
-* ...
+* The ``ForceRHR`` GIS function is removed.

tests/gis_tests/geoapp/test_functions.py

@@ -10,8 +10,7 @@ from django.contrib.gis.geos import (
 from django.contrib.gis.measure import Area
 from django.db import NotSupportedError, connection
 from django.db.models import Sum
-from django.test import TestCase, ignore_warnings, skipUnlessDBFeature
-from django.utils.deprecation import RemovedInDjango30Warning
+from django.test import TestCase, skipUnlessDBFeature
 
 from ..utils import FuncTestMixin, mysql, oracle, postgis, spatialite
 from .models import City, Country, CountryWebMercator, State, Track
@@ -230,21 +229,6 @@ class GISFunctionsTests(FuncTestMixin, TestCase):
         st = State.objects.annotate(force_polygon_cw=functions.ForcePolygonCW('poly')).get(name='Foo')
         self.assertEqual(rhr_rings, st.force_polygon_cw.coords)
 
-    @skipUnlessDBFeature("has_ForceRHR_function")
-    @ignore_warnings(category=RemovedInDjango30Warning)
-    def test_force_rhr(self):
-        rings = (
-            ((0, 0), (5, 0), (0, 5), (0, 0)),
-            ((1, 1), (1, 3), (3, 1), (1, 1)),
-        )
-        rhr_rings = (
-            ((0, 0), (0, 5), (5, 0), (0, 0)),
-            ((1, 1), (3, 1), (1, 3), (1, 1)),
-        )
-        State.objects.create(name='Foo', poly=Polygon(*rings))
-        st = State.objects.annotate(force_rhr=functions.ForceRHR('poly')).get(name='Foo')
-        self.assertEqual(rhr_rings, st.force_rhr.coords)
-
     @skipUnlessDBFeature("has_GeoHash_function")
     def test_geohash(self):
         # Reference query: