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Fixed #27488 -- Added SpatiaLite suppport for IsValid, MakeValid, and __isvalid.

This commit is contained in:
Sergey Fedoseev 2016-11-13 18:13:34 +05:00 committed by Tim Graham
parent 3ce212a23c
commit 45e01df373
4 changed files with 25 additions and 9 deletions
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11
django/contrib/gis/db/backends/spatialite/operations.py
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@ -56,9 +56,11 @@ class SpatiaLiteOperations(BaseSpatialOperations, DatabaseOperations):
select = 'AsText(%s)'
gis_operators = {
# Unary predicates
'isvalid': SpatialOperator(func='IsValid'),
# Binary predicates
'equals': SpatialOperator(func='Equals'),
'disjoint': SpatialOperator(func='Disjoint'),
'dwithin': SpatialOperator(func='PtDistWithin'),
'touches': SpatialOperator(func='Touches'),
'crosses': SpatialOperator(func='Crosses'),
'within': SpatialOperator(func='Within'),
@ -75,7 +77,8 @@ class SpatiaLiteOperations(BaseSpatialOperations, DatabaseOperations):
# These are implemented here as synonyms for Equals
'same_as': SpatialOperator(func='Equals'),
'exact': SpatialOperator(func='Equals'),
# Distance predicates
'dwithin': SpatialOperator(func='PtDistWithin'),
'distance_gt': SpatialOperator(func='Distance', op='>'),
'distance_gte': SpatialOperator(func='Distance', op='>='),
'distance_lt': SpatialOperator(func='Distance', op='<'),
@ -96,9 +99,9 @@ class SpatiaLiteOperations(BaseSpatialOperations, DatabaseOperations):
@cached_property
def unsupported_functions(self):
unsupported = {'BoundingCircle', 'ForceRHR', 'IsValid', 'MakeValid', 'MemSize'}
unsupported = {'BoundingCircle', 'ForceRHR', 'MemSize'}
if not self.lwgeom_version():
unsupported.add('GeoHash')
unsupported |= {'GeoHash', 'IsValid', 'MakeValid'}
return unsupported
@cached_property

6
docs/ref/contrib/gis/db-api.txt
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@ -347,7 +347,7 @@ Lookup Type PostGIS Oracle MySQL [#]_ SpatiaLite
:lookup:`equals` X X X X C
:lookup:`exact` X X X X B
:lookup:`intersects` X X X X B
:lookup:`isvalid` X
:lookup:`isvalid` X X (LWGEOM)
:lookup:`overlaps` X X X X B
:lookup:`relate` X X X C
:lookup:`same_as` X X X X B
@ -390,9 +390,9 @@ Function PostGIS Oracle MySQL SpatiaLite
:class:`ForceRHR` X
:class:`GeoHash` X X (LWGEOM)
:class:`Intersection` X X X (≥ 5.6.1) X
:class:`IsValid` X
:class:`IsValid` X X (LWGEOM)
:class:`Length` X X X X
:class:`MakeValid` X
:class:`MakeValid` X X (LWGEOM)
:class:`MemSize` X
:class:`NumGeometries` X X X X
:class:`NumPoints` X X X X

12
docs/ref/contrib/gis/functions.txt
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@ -298,11 +298,15 @@ intersection between them.
.. versionadded:: 1.10
*Availability*: PostGIS
*Availability*: PostGIS, SpatiaLite (LWGEOM)
Accepts a geographic field or expression and tests if the value is well formed.
Returns ``True`` if its value is a valid geometry and ``False`` otherwise.
.. versionchanged:: 1.11
SpatiaLite support was added.
``Length``
==========
@ -327,13 +331,17 @@ resource-intensive) with the ``spheroid`` keyword argument.
.. versionadded:: 1.10
*Availability*: PostGIS
*Availability*: PostGIS, SpatiaLite (LWGEOM)
Accepts a geographic field or expression and attempts to convert the value into
a valid geometry without losing any of the input vertices. Geometries that are
already valid are returned without changes. Simple polygons might become a
multipolygon and the result might be of lower dimension than the input.
.. versionchanged:: 1.11
SpatiaLite support was added.
``MemSize``
===========

5
docs/releases/1.11.txt
View File

@ -151,6 +151,11 @@ Minor features
* Added the ability to pass the `size`, `shape`, and `offset` parameter when
creating :class:`~django.contrib.gis.gdal.GDALRaster` objects.
* Added SpatiaLite support for the
:class:`~django.contrib.gis.db.models.functions.IsValid` function,
:class:`~django.contrib.gis.db.models.functions.MakeValid` function, and
:lookup:`isvalid` lookup.
:mod:`django.contrib.messages`
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~