From 87a60e28cc6a0127c798af9b20ac4e891f082ebc Mon Sep 17 00:00:00 2001
From: Justin Bronn <jbronn@gmail.com>
Date: Tue, 20 Jul 2010 19:05:46 +0000
Subject: [PATCH] Fixed #13934 -- `GeoSQLCompiler.get_default_columns` was
 missing `local_only` keyword argument.  Thanks, Simon Law, for bug report and
 initial patch.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@13439 bcc190cf-cafb-0310-a4f2-bffc1f526a37
---
 django/contrib/gis/db/models/sql/compiler.py  |  4 +++-
 django/contrib/gis/tests/relatedapp/models.py |  5 +++++
 django/contrib/gis/tests/relatedapp/tests.py  | 10 +++++++++-
 3 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/django/contrib/gis/db/models/sql/compiler.py b/django/contrib/gis/db/models/sql/compiler.py
index 78eeeafe19..55dc4a66ec 100644
--- a/django/contrib/gis/db/models/sql/compiler.py
+++ b/django/contrib/gis/db/models/sql/compiler.py
@@ -95,7 +95,7 @@ class GeoSQLCompiler(compiler.SQLCompiler):
         return result
 
     def get_default_columns(self, with_aliases=False, col_aliases=None,
-                            start_alias=None, opts=None, as_pairs=False):
+            start_alias=None, opts=None, as_pairs=False, local_only=False):
         """
         Computes the default columns for selecting every field in the base
         model. Will sometimes be called to pull in related models (e.g. via
@@ -121,6 +121,8 @@ class GeoSQLCompiler(compiler.SQLCompiler):
         if start_alias:
             seen = {None: start_alias}
         for field, model in opts.get_fields_with_model():
+            if local_only and model is not None:
+                continue
             if start_alias:
                 try:
                     alias = seen[model]
diff --git a/django/contrib/gis/tests/relatedapp/models.py b/django/contrib/gis/tests/relatedapp/models.py
index 726f9826c0..2e9a62b61f 100644
--- a/django/contrib/gis/tests/relatedapp/models.py
+++ b/django/contrib/gis/tests/relatedapp/models.py
@@ -38,6 +38,11 @@ class Author(models.Model):
     name = models.CharField(max_length=100)
     objects = models.GeoManager()
 
+class Article(models.Model):
+    title = models.CharField(max_length=100)
+    author = models.ForeignKey(Author, unique=True)
+    objects = models.GeoManager()
+
 class Book(models.Model):
     title = models.CharField(max_length=100)
     author = models.ForeignKey(Author, related_name='books', null=True)
diff --git a/django/contrib/gis/tests/relatedapp/tests.py b/django/contrib/gis/tests/relatedapp/tests.py
index 184b65b9c7..5d3d00f08d 100644
--- a/django/contrib/gis/tests/relatedapp/tests.py
+++ b/django/contrib/gis/tests/relatedapp/tests.py
@@ -4,7 +4,7 @@ from django.contrib.gis.db.models import Collect, Count, Extent, F, Union
 from django.contrib.gis.geometry.backend import Geometry
 from django.contrib.gis.tests.utils import mysql, oracle, postgis, spatialite, no_mysql, no_oracle, no_spatialite
 from django.conf import settings
-from models import City, Location, DirectoryEntry, Parcel, Book, Author
+from models import City, Location, DirectoryEntry, Parcel, Book, Author, Article
 
 cities = (('Aurora', 'TX', -97.516111, 33.058333),
           ('Roswell', 'NM', -104.528056, 33.387222),
@@ -291,6 +291,14 @@ class RelatedGeoModelTest(unittest.TestCase):
             self.assertEqual(4, len(coll))
             self.assertEqual(ref_geom, coll)
 
+    def test15_invalid_select_related(self):
+        "Testing doing select_related on the related name manager of a unique FK. See #13934."
+        qs = Article.objects.select_related('author__article')
+        # This triggers TypeError when `get_default_columns` has no `local_only`
+        # keyword.  The TypeError is swallowed if QuerySet is actually
+        # evaluated as list generation swallows TypeError in CPython.
+        sql = str(qs.query)
+        
     # TODO: Related tests for KML, GML, and distance lookups.
 
 def suite():