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authorLuke Plant <L.Plant.98@cantab.net>2010-03-08 12:47:16 +0000
committerLuke Plant <L.Plant.98@cantab.net>2010-03-08 12:47:16 +0000
commit5e3a2e2f3956f358b5e82e217c20bb0b36fb0665 (patch)
tree106f3a359a5746bcc76d06cf7a001fa502c13102 /django/db/models/sql
parent40c022c91e8f5176a01a23c6dac8d938b8fa3a93 (diff)
Fixed #12240 - select_related doesn't work correctly when mixing nullable and non-nullable keys
Thanks to embe for report and Alex for fix. git-svn-id: http://code.djangoproject.com/svn/django/trunk@12719 bcc190cf-cafb-0310-a4f2-bffc1f526a37
Diffstat (limited to 'django/db/models/sql')
-rw-r--r--django/db/models/sql/compiler.py10
1 files changed, 2 insertions, 8 deletions
diff --git a/django/db/models/sql/compiler.py b/django/db/models/sql/compiler.py
index f364b1de82..b7d63d381e 100644
--- a/django/db/models/sql/compiler.py
+++ b/django/db/models/sql/compiler.py
@@ -530,10 +530,7 @@ class SQLCompiler(object):
avoid = avoid_set.copy()
dupe_set = orig_dupe_set.copy()
table = f.rel.to._meta.db_table
- if nullable or f.null:
- promote = True
- else:
- promote = False
+ promote = nullable or f.null
if model:
int_opts = opts
alias = root_alias
@@ -584,10 +581,7 @@ class SQLCompiler(object):
next = requested.get(f.name, {})
else:
next = False
- if f.null is not None:
- new_nullable = f.null
- else:
- new_nullable = None
+ new_nullable = f.null or promote
for dupe_opts, dupe_col in dupe_set:
self.query.update_dupe_avoidance(dupe_opts, dupe_col, alias)
self.fill_related_selections(f.rel.to._meta, alias, cur_depth + 1,