Fixed #25645 -- Dropped support for SpatiaLite < 4.0.

This commit is contained in:
Tim Graham 2016-05-31 11:31:51 -04:00
parent 62e4f8ec43
commit 47f22e8286
9 changed files with 22 additions and 45 deletions

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@ -29,10 +29,9 @@ class SpatiaLiteIntrospection(DatabaseIntrospection):
cursor = self.connection.cursor()
try:
# Querying the `geometry_columns` table to get additional metadata.
type_col = 'type' if self.connection.ops.spatial_version < (4, 0, 0) else 'geometry_type'
cursor.execute('SELECT coord_dimension, srid, %s '
cursor.execute('SELECT coord_dimension, srid, geometry_type '
'FROM geometry_columns '
'WHERE f_table_name=%%s AND f_geometry_column=%%s' % type_col,
'WHERE f_table_name=%s AND f_geometry_column=%s',
(table_name, geo_col))
row = cursor.fetchone()
if not row:

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@ -2,9 +2,7 @@
The GeometryColumns and SpatialRefSys models for the SpatiaLite backend.
"""
from django.contrib.gis.db.backends.base.models import SpatialRefSysMixin
from django.contrib.gis.db.backends.spatialite.base import DatabaseWrapper
from django.db import connection, models
from django.db.backends.signals import connection_created
from django.db import models
from django.utils.encoding import python_2_unicode_compatible
@ -18,6 +16,7 @@ class SpatialiteGeometryColumns(models.Model):
coord_dimension = models.IntegerField()
srid = models.IntegerField(primary_key=True)
spatial_index_enabled = models.IntegerField()
type = models.IntegerField(db_column='geometry_type')
class Meta:
app_label = 'gis'
@ -55,6 +54,7 @@ class SpatialiteSpatialRefSys(models.Model, SpatialRefSysMixin):
auth_srid = models.IntegerField()
ref_sys_name = models.CharField(max_length=256)
proj4text = models.CharField(max_length=2048)
srtext = models.CharField(max_length=2048)
@property
def wkt(self):
@ -67,18 +67,3 @@ class SpatialiteSpatialRefSys(models.Model, SpatialRefSysMixin):
app_label = 'gis'
db_table = 'spatial_ref_sys'
managed = False
def add_spatial_version_related_fields(sender, **kwargs):
"""
Adds fields after establishing a database connection to prevent database
operations at compile time.
"""
if connection_created.disconnect(add_spatial_version_related_fields, sender=DatabaseWrapper):
spatial_version = connection.ops.spatial_version[0]
if spatial_version >= 4:
SpatialiteSpatialRefSys.add_to_class('srtext', models.CharField(max_length=2048))
SpatialiteGeometryColumns.add_to_class('type', models.IntegerField(db_column='geometry_type'))
else:
SpatialiteGeometryColumns.add_to_class('type', models.CharField(max_length=30))
connection_created.connect(add_spatial_version_related_fields, sender=DatabaseWrapper)

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@ -1,6 +1,5 @@
"""
SQL functions reference lists:
http://www.gaia-gis.it/spatialite-3.0.0-BETA/spatialite-sql-3.0.0.html
https://web.archive.org/web/20130407175746/http://www.gaia-gis.it/gaia-sins/spatialite-sql-4.0.0.html
http://www.gaia-gis.it/gaia-sins/spatialite-sql-4.2.1.html
"""
@ -90,18 +89,14 @@ class SpatiaLiteOperations(BaseSpatialOperations, DatabaseOperations):
'Length': 'ST_Length',
'Reverse': 'ST_Reverse',
'Scale': 'ScaleCoords',
'Translate': 'ST_Translate' if self.spatial_version >= (3, 1, 0) else 'ShiftCoords',
'Translate': 'ST_Translate',
'Union': 'ST_Union',
}
@cached_property
def unsupported_functions(self):
unsupported = {'BoundingCircle', 'ForceRHR', 'IsValid', 'MakeValid', 'MemSize'}
if self.spatial_version < (3, 1, 0):
unsupported.add('SnapToGrid')
if self.spatial_version < (4, 0, 0):
unsupported.update({'Perimeter', 'Reverse'})
elif not self.lwgeom_version():
if not self.lwgeom_version():
unsupported.add('GeoHash')
return unsupported
@ -116,8 +111,8 @@ class SpatiaLiteOperations(BaseSpatialOperations, DatabaseOperations):
'database (error was "%s"). Was the SpatiaLite initialization '
'SQL loaded on this database?') % (self.connection.settings_dict['NAME'], msg)
six.reraise(ImproperlyConfigured, ImproperlyConfigured(new_msg), sys.exc_info()[2])
if version < (3, 0, 0):
raise ImproperlyConfigured('GeoDjango only supports SpatiaLite versions 3.0.0 and above.')
if version < (4, 0, 0):
raise ImproperlyConfigured('GeoDjango only supports SpatiaLite versions 4.0.0 and above.')
return version
def convert_extent(self, box, srid):

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@ -388,7 +388,7 @@ Function PostGIS Oracle MySQL SpatiaLite
:class:`Distance` X X X (≥ 5.6.1) X
:class:`Envelope` X X X
:class:`ForceRHR` X
:class:`GeoHash` X X (≥ 4.0, LWGEOM)
:class:`GeoHash` X X (LWGEOM)
:class:`Intersection` X X X (≥ 5.6.1) X
:class:`IsValid` X
:class:`Length` X X X X
@ -396,11 +396,11 @@ Function PostGIS Oracle MySQL SpatiaLite
:class:`MemSize` X
:class:`NumGeometries` X X X X
:class:`NumPoints` X X X X
:class:`Perimeter` X X X (≥ 4.0)
:class:`Perimeter` X X X
:class:`PointOnSurface` X X X
:class:`Reverse` X X X (≥ 4.0)
:class:`Reverse` X X X
:class:`Scale` X X
:class:`SnapToGrid` X X (≥ 3.1)
:class:`SnapToGrid` X X
:class:`SymDifference` X X X (≥ 5.6.1) X
:class:`Transform` X X X
:class:`Translate` X X

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@ -263,7 +263,7 @@ right-hand rule.
.. class:: GeoHash(expression, **extra)
*Availability*: PostGIS, SpatiaLite (≥ 4.0, LWGEOM)
*Availability*: PostGIS, SpatiaLite (LWGEOM)
Accepts a single geographic field or expression and returns a `GeoHash`__
representation of the geometry.
@ -367,7 +367,7 @@ in the first linestring in the geometry field; otherwise returns ``None``.
.. class:: Perimeter(expression, **extra)
*Availability*: PostGIS, Oracle, SpatiaLite (≥ 4.0)
*Availability*: PostGIS, Oracle, SpatiaLite
Accepts a single geographic field or expression and returns the perimeter of the
geometry field as a :class:`~django.contrib.gis.measure.Distance` object. On
@ -389,7 +389,7 @@ guaranteed to lie on the surface of the field; otherwise returns ``None``.
.. class:: Reverse(expression, **extra)
*Availability*: PostGIS, Oracle, SpatiaLite (≥ 4.0)
*Availability*: PostGIS, Oracle, SpatiaLite
Accepts a single geographic field or expression and returns a geometry with
reversed coordinates.
@ -410,7 +410,7 @@ scaled coordinates by multiplying them with the ``x``, ``y``, and optionally
.. class:: SnapToGrid(expression, *args, **extra)
*Availability*: PostGIS, SpatiaLite (≥ 3.1)
*Availability*: PostGIS, SpatiaLite
Accepts a single geographic field or expression and returns a geometry with all
points snapped to the given grid. How the geometry is snapped to the grid

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@ -13,7 +13,7 @@ Program Description Required
:doc:`GDAL <../gdal>` Geospatial Data Abstraction Library Yes (SQLite only) 2.1, 2.0, 1.11, 1.10, 1.9, 1.8, 1.7
:doc:`GeoIP <../geoip>` IP-based geolocation library No 1.4
`PostGIS`__ Spatial extensions for PostgreSQL Yes (PostgreSQL only) 2.2, 2.1, 2.0
`SpatiaLite`__ Spatial extensions for SQLite Yes (SQLite only) 4.3, 4.2, 4.1, 4.0, 3.0
`SpatiaLite`__ Spatial extensions for SQLite Yes (SQLite only) 4.3, 4.2, 4.1, 4.0
======================== ==================================== ================================ ===================================
Note that older or more recent versions of these libraries *may* also work
@ -33,7 +33,6 @@ totally fine with GeoDjango. Your mileage may vary.
PostGIS 2.0.0 2012-04-03
PostGIS 2.1.0 2013-08-17
PostGIS 2.2.0 2015-10-17
Spatialite 3.0.0 2011-12-30
Spatialite 4.0.0 2012-11-25
Spatialite 4.1.0 2013-06-04
Spatialite 4.2.0 2014-07-25

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@ -61,7 +61,7 @@ Database Library Requirements Supported Versions Notes
PostgreSQL GEOS, PROJ.4, PostGIS 9.2+ Requires PostGIS.
MySQL GEOS 5.5+ Not OGC-compliant; :ref:`limited functionality <mysql-spatial-limitations>`.
Oracle GEOS 11.2+ XE not supported.
SQLite GEOS, GDAL, PROJ.4, SpatiaLite 3.6.+ Requires SpatiaLite 3.0+, pysqlite2 2.5+
SQLite GEOS, GDAL, PROJ.4, SpatiaLite 3.6.+ Requires SpatiaLite 4.0+, pysqlite2 2.5+
================== ============================== ================== =========================================
See also `this comparison matrix`__ on the OSGeo Wiki for

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@ -213,6 +213,8 @@ Miscellaneous
the current UTC date/time, instead of a datetime without any timezone
information.
* Support for SpatiaLite < 4.0 is dropped.
.. _deprecated-features-1.11:
Features deprecated in 1.11

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@ -2,7 +2,6 @@ import re
import unittest
from django.contrib.gis.gdal import HAS_GDAL
from django.db import connection
from django.test import mock, skipUnlessDBFeature
from django.utils import six
@ -110,9 +109,7 @@ class SpatialRefSysTest(unittest.TestCase):
if postgis or spatialite:
srs = sr.srs
six.assertRegex(self, srs.proj4, sd['proj4_re'])
# No `srtext` field in the `spatial_ref_sys` table in SpatiaLite < 4
if not spatialite or connection.ops.spatial_version[0] >= 4:
self.assertTrue(srs.wkt.startswith(sd['srtext']))
self.assertTrue(srs.wkt.startswith(sd['srtext']))
def test_ellipsoid(self):
"""