Fixed #29509 -- Added SpatiaLite support for covers and coveredby lookups.

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

@@ -47,6 +47,8 @@ class SpatiaLiteOperations(BaseSpatialOperations, DatabaseOperations):
         'contains': SpatialiteNullCheckOperator(func='Contains'),
         'intersects': SpatialiteNullCheckOperator(func='Intersects'),
         'relate': SpatialiteNullCheckOperator(func='Relate'),
+        'coveredby': SpatialiteNullCheckOperator(func='CoveredBy'),
+        'covers': SpatialiteNullCheckOperator(func='Covers'),
         # Returns true if B's bounding box completely contains A's bounding box.
         'contained': SpatialOperator(func='MbrWithin'),
         # Returns true if A's bounding box completely contains B's bounding box.

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

@@ -329,8 +329,8 @@ Lookup Type                        PostGIS    Oracle    MySQL [#]_   SpatiaLite
 :lookup:`contained`                X                    X            X          N
 :lookup:`contains <gis-contains>`  X          X         X            X          B
 :lookup:`contains_properly`        X                                            B
-:lookup:`coveredby`                X          X                                 B
-:lookup:`covers`                   X          X                                 B
+:lookup:`coveredby`                X          X                      X          B
+:lookup:`covers`                   X          X                      X          B
 :lookup:`crosses`                  X                                 X          C
 :lookup:`disjoint`                 X          X         X            X          B
 :lookup:`distance_gt`              X          X                      X          N

docs/ref/contrib/gis/geoquerysets.txt

@@ -179,7 +179,7 @@ PostGIS     ``ST_ContainsProperly(poly, geom)``
 -------------
 
 *Availability*: `PostGIS <https://postgis.net/docs/ST_CoveredBy.html>`__,
-Oracle, PGRaster (Bilateral)
+Oracle, PGRaster (Bilateral), SpatiaLite
 
 Tests if no point in the geometry field is outside the lookup geometry.
 [#fncovers]_
@@ -188,11 +188,16 @@ Example::
 
     Zipcode.objects.filter(poly__coveredby=geom)
 
+.. versionchanged:: 2.2
+
+    SpatiaLite support was added.
+
 ==========  =============================
 Backend     SQL Equivalent
 ==========  =============================
 PostGIS     ``ST_CoveredBy(poly, geom)``
 Oracle      ``SDO_COVEREDBY(poly, geom)``
+SpatiaLite  ``CoveredBy(poly, geom)``
 ==========  =============================
 
 .. fieldlookup:: covers
@@ -201,7 +206,7 @@ Oracle      ``SDO_COVEREDBY(poly, geom)``
 ----------
 
 *Availability*: `PostGIS <https://postgis.net/docs/ST_Covers.html>`__,
-Oracle, PGRaster (Bilateral)
+Oracle, PGRaster (Bilateral), SpatiaLite
 
 Tests if no point in the lookup geometry is outside the geometry field.
 [#fncovers]_
@@ -210,11 +215,16 @@ Example::
 
     Zipcode.objects.filter(poly__covers=geom)
 
+.. versionchanged:: 2.2
+
+    SpatiaLite support was added.
+
 ==========  ==========================
 Backend     SQL Equivalent
 ==========  ==========================
 PostGIS     ``ST_Covers(poly, geom)``
 Oracle      ``SDO_COVERS(poly, geom)``
+SpatiaLite  ``Covers(poly, geom)``
 ==========  ==========================
 
 .. fieldlookup:: crosses

docs/releases/2.2.txt

@@ -59,6 +59,9 @@ Minor features
 * Added Oracle support for the
   :class:`~django.contrib.gis.db.models.functions.Envelope` function.
 
+* Added SpatiaLite support for the :lookup:`coveredby` and :lookup:`covers`
+  lookups.
+
 :mod:`django.contrib.messages`
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

tests/gis_tests/geoapp/tests.py

@@ -421,6 +421,8 @@ class GeoLookupTest(TestCase):
             ('relate', (Point(1, 1), 'T*T***FF*')),
             ('same_as', Point(1, 1)),
             ('exact', Point(1, 1)),
+            ('coveredby', Point(1, 1)),
+            ('covers', Point(1, 1)),
         ]
         for lookup, geom in queries:
             with self.subTest(lookup=lookup):