Fixed #25836 -- Added support for MakeLine aggregate on SpatiaLite.

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

@@ -39,6 +39,7 @@ class SpatiaLiteOperations(BaseSpatialOperations, DatabaseOperations):
     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'
@@ -80,6 +81,8 @@ class SpatiaLiteOperations(BaseSpatialOperations, DatabaseOperations):
         'distance_lte': SpatialOperator(func='Distance', op='<='),
     }
 
+    disallowed_aggregates = (aggregates.Extent3D,)
+
     @cached_property
     def function_names(self):
         return {
@@ -114,11 +117,6 @@ class SpatiaLiteOperations(BaseSpatialOperations, DatabaseOperations):
             raise ImproperlyConfigured('GeoDjango only supports SpatiaLite versions 3.0.0 and above.')
         return version
 
-    @cached_property
-    def disallowed_aggregates(self):
-        disallowed = (aggregates.Extent3D, aggregates.MakeLine)
-        return disallowed
-
     def convert_extent(self, box, srid):
         """
         Convert the polygon data received from Spatialite to min/max values.

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

@@ -348,7 +348,7 @@ Aggregate                PostGIS  Oracle  SpatiaLite
 :class:`Collect`         X                X
 :class:`Extent`          X        X       X
 :class:`Extent3D`        X
-:class:`MakeLine`        X
+:class:`MakeLine`        X                X
 :class:`Union`           X        X       X
 =======================  =======  ======  ==========
 

docs/ref/contrib/gis/geoquerysets.txt

@@ -1297,11 +1297,15 @@ Example::
 
 .. class:: MakeLine(geo_field)
 
-*Availability*: PostGIS
+*Availability*: PostGIS, SpatiaLite
 
 Returns a ``LineString`` constructed from the point field geometries in the
 ``QuerySet``. Currently, ordering the queryset has no effect.
 
+.. versionchanged:: 1.10
+
+    SpatiaLite support was added.
+
 Example::
 
      >>> print(City.objects.filter(name__in=('Houston', 'Dallas')

docs/releases/1.10.txt

@@ -79,6 +79,9 @@ Minor features
   :attr:`~django.contrib.gis.gdal.GDALBand.mean`
   and :attr:`~django.contrib.gis.gdal.GDALBand.std` attributes.
 
+* Added support for the :class:`~django.contrib.gis.db.models.MakeLine`
+  aggregate on SpatiaLite.
+
 :mod:`django.contrib.messages`
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 

tests/gis_tests/geoapp/tests.py

@@ -652,8 +652,6 @@ class GeoQuerySetTest(TestCase):
         Testing the `MakeLine` aggregate.
         """
         if not connection.features.supports_make_line_aggr:
-            # Only PostGIS has support for the MakeLine aggregate. For other
-            # backends, test that NotImplementedError is raised
             self.assertRaises(
                 NotImplementedError,
                 City.objects.all().aggregate, MakeLine('point')