Fixed #32575 -- Added support for SpatiaLite 5.
This commit is contained in:
Claude Paroz
Mariusz Felisiak
parent
b9d156761f
commit
30e123ed35
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@ -71,4 +71,7 @@ class DatabaseWrapper(SQLiteDatabaseWrapper):
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with self.cursor() as cursor:
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cursor.execute("PRAGMA table_info(geometry_columns);")
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if cursor.fetchall() == []:
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cursor.execute("SELECT InitSpatialMetaData(1)")
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if self.ops.spatial_version < (5,):
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cursor.execute('SELECT InitSpatialMetaData(1)')
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else:
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cursor.execute('SELECT InitSpatialMetaDataFull(1)')
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@ -11,7 +11,7 @@ class DatabaseFeatures(BaseSpatialFeatures, SQLiteDatabaseFeatures):
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@cached_property
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def supports_area_geodetic(self):
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return bool(self.connection.ops.lwgeom_version())
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return bool(self.connection.ops.geom_lib_version())
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@cached_property
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def django_test_skips(self):
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@ -81,7 +81,7 @@ class SpatiaLiteOperations(BaseSpatialOperations, DatabaseOperations):
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@cached_property
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def unsupported_functions(self):
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unsupported = {'BoundingCircle', 'GeometryDistance', 'MemSize'}
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if not self.lwgeom_version():
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if not self.geom_lib_version():
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unsupported |= {'Azimuth', 'GeoHash', 'MakeValid'}
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return unsupported
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@ -167,6 +167,20 @@ class SpatiaLiteOperations(BaseSpatialOperations, DatabaseOperations):
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"""Return the version of LWGEOM library used by SpatiaLite."""
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return self._get_spatialite_func('lwgeom_version()')
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def rttopo_version(self):
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"""Return the version of RTTOPO library used by SpatiaLite."""
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return self._get_spatialite_func('rttopo_version()')
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def geom_lib_version(self):
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"""
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Return the version of the version-dependant geom library used by
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SpatiaLite.
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"""
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if self.spatial_version >= (5,):
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return self.rttopo_version()
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else:
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return self.lwgeom_version()
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def spatialite_version(self):
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"Return the SpatiaLite library version as a string."
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return self._get_spatialite_func('spatialite_version()')
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@ -344,9 +344,9 @@ functions are available on each spatial backend.
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.. currentmodule:: django.contrib.gis.db.models.functions
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==================================== ======= ============== ============ =========== ==========
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==================================== ======= ============== ============ =========== =================
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Function PostGIS Oracle MariaDB MySQL SpatiaLite
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==================================== ======= ============== ============ =========== ==========
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==================================== ======= ============== ============ =========== =================
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:class:`Area` X X X X X
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:class:`AsGeoJSON` X X X (≥ 10.2.4) X (≥ 5.7.5) X
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:class:`AsGML` X X X
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@ -354,19 +354,19 @@ Function PostGIS Oracle MariaDB MySQL
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:class:`AsSVG` X X
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:class:`AsWKB` X X X X X
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:class:`AsWKT` X X X X X
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:class:`Azimuth` X X (LWGEOM)
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:class:`Azimuth` X X (LWGEOM/RTTOPO)
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:class:`BoundingCircle` X X
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:class:`Centroid` X X X X X
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:class:`Difference` X X X X X
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:class:`Distance` X X X X X
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:class:`Envelope` X X X X X
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:class:`ForcePolygonCW` X X
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:class:`GeoHash` X X (≥ 5.7.5) X (LWGEOM)
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:class:`GeoHash` X X (≥ 5.7.5) X (LWGEOM/RTTOPO)
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:class:`Intersection` X X X X X
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:class:`IsValid` X X X (≥ 5.7.5) X
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:class:`Length` X X X X X
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:class:`LineLocatePoint` X X
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:class:`MakeValid` X X (LWGEOM)
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:class:`MakeValid` X X (LWGEOM/RTTOPO)
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:class:`MemSize` X
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:class:`NumGeometries` X X X X X
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:class:`NumPoints` X X X X X
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@ -379,7 +379,7 @@ Function PostGIS Oracle MariaDB MySQL
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:class:`Transform` X X X
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:class:`Translate` X X
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:class:`Union` X X X X X
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==================================== ======= ============== ============ =========== ==========
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==================================== ======= ============== ============ =========== =================
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Aggregate Functions
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-------------------
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@ -44,7 +44,7 @@ Oracle, `PostGIS <https://postgis.net/docs/ST_Area.html>`__, SpatiaLite
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Accepts a single geographic field or expression and returns the area of the
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field as an :class:`~django.contrib.gis.measure.Area` measure.
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MySQL and SpatiaLite without LWGEOM don't support area calculations on
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MySQL and SpatiaLite without LWGEOM/RTTOPO don't support area calculations on
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geographic SRSes.
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``AsGeoJSON``
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@ -208,7 +208,7 @@ __ https://en.wikipedia.org/wiki/Well-known_text_representation_of_geometry
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.. class:: Azimuth(point_a, point_b, **extra)
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*Availability*: `PostGIS <https://postgis.net/docs/ST_Azimuth.html>`__,
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SpatiaLite (LWGEOM)
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SpatiaLite (LWGEOM/RTTOPO)
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Returns the azimuth in radians of the segment defined by the given point
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geometries, or ``None`` if the two points are coincident. The azimuth is angle
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@ -334,7 +334,8 @@ are returned unchanged.
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*Availability*: `MySQL
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<https://dev.mysql.com/doc/refman/en/spatial-geohash-functions.html#function_st-geohash>`__ (≥ 5.7.5),
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`PostGIS <https://postgis.net/docs/ST_GeoHash.html>`__, SpatiaLite (LWGEOM)
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`PostGIS <https://postgis.net/docs/ST_GeoHash.html>`__, SpatiaLite
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(LWGEOM/RTTOPO)
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Accepts a single geographic field or expression and returns a `GeoHash`__
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representation of the geometry.
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@ -416,7 +417,7 @@ Returns a float between 0 and 1 representing the location of the closest point o
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.. class:: MakeValid(expr)
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*Availability*: `PostGIS <https://postgis.net/docs/ST_MakeValid.html>`__,
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SpatiaLite (LWGEOM)
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SpatiaLite (LWGEOM/RTTOPO)
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Accepts a geographic field or expression and attempts to convert the value into
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a valid geometry without losing any of the input vertices. Geometries that are
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@ -13,7 +13,7 @@ Program Description Required
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:doc:`GDAL <../gdal>` Geospatial Data Abstraction Library Yes 3.2, 3.1, 3.0, 2.4, 2.3, 2.2, 2.1
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:doc:`GeoIP <../geoip2>` IP-based geolocation library No 2
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`PostGIS`__ Spatial extensions for PostgreSQL Yes (PostgreSQL only) 3.0, 2.5, 2.4
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`SpatiaLite`__ Spatial extensions for SQLite Yes (SQLite only) 4.3
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`SpatiaLite`__ Spatial extensions for SQLite Yes (SQLite only) 5.0, 4.3
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======================== ==================================== ================================ =================================
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Note that older or more recent versions of these libraries *may* also work
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@ -36,6 +36,7 @@ totally fine with GeoDjango. Your mileage may vary.
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PostGIS 2.5.0 2018-09-23
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PostGIS 3.0.0 2019-10-20
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SpatiaLite 4.3.0 2015-09-07
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SpatiaLite 5.0.0 2020-08-23
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.. note::
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@ -100,7 +100,7 @@ Minor features
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:mod:`django.contrib.gis`
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~~~~~~~~~~~~~~~~~~~~~~~~~
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* ...
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* Added support for SpatiaLite 5.
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:mod:`django.contrib.messages`
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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@ -367,16 +367,12 @@ class DistanceFunctionsTests(FuncTestMixin, TestCase):
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dist2 = SouthTexasCityFt.objects.annotate(distance=Distance('point', lagrange)).order_by('id')
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dist_qs = [dist1, dist2]
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# Original query done on PostGIS, have to adjust AlmostEqual tolerance
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# for Oracle.
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tol = 2 if connection.ops.oracle else 5
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# Ensuring expected distances are returned for each distance queryset.
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for qs in dist_qs:
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for i, c in enumerate(qs):
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with self.subTest(c=c):
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self.assertAlmostEqual(m_distances[i], c.distance.m, tol)
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self.assertAlmostEqual(ft_distances[i], c.distance.survey_ft, tol)
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self.assertAlmostEqual(m_distances[i], c.distance.m, -1)
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self.assertAlmostEqual(ft_distances[i], c.distance.survey_ft, -1)
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@skipUnlessDBFeature("has_Distance_function", "supports_distance_geodetic")
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def test_distance_geodetic(self):
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@ -183,7 +183,11 @@ class GISFunctionsTests(FuncTestMixin, TestCase):
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def test_azimuth(self):
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# Returns the azimuth in radians.
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azimuth_expr = functions.Azimuth(Point(0, 0, srid=4326), Point(1, 1, srid=4326))
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self.assertAlmostEqual(City.objects.annotate(azimuth=azimuth_expr).first().azimuth, math.pi / 4)
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self.assertAlmostEqual(
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City.objects.annotate(azimuth=azimuth_expr).first().azimuth,
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math.pi / 4,
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places=2,
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)
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# Returns None if the two points are coincident.
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azimuth_expr = functions.Azimuth(Point(0, 0, srid=4326), Point(0, 0, srid=4326))
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self.assertIsNone(City.objects.annotate(azimuth=azimuth_expr).first().azimuth)
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@ -111,9 +111,12 @@ class GeographyFunctionTests(FuncTestMixin, TestCase):
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if connection.ops.oracle:
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ref_dists = [0, 4899.68, 8081.30, 9115.15]
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elif connection.ops.spatialite:
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# SpatiaLite returns non-zero distance for polygons and points
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if connection.ops.spatial_version < (5,):
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# SpatiaLite < 5 returns non-zero distance for polygons and points
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# covered by that polygon.
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ref_dists = [326.61, 4899.68, 8081.30, 9115.15]
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else:
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ref_dists = [0, 4899.68, 8081.30, 9115.15]
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else:
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ref_dists = [0, 4891.20, 8071.64, 9123.95]
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htown = City.objects.get(name='Houston')
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