Fixed #8317 -- Corrected the inspectdb management command to properly…

… set `primary_key=True` and `unique=True` on foreign keys. Thanks to bthomas for the report and patch, and to David Gouldin for the tests.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@17451 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/core/management/commands/inspectdb.py

@@ -62,15 +62,22 @@ def handle_inspection(self, options):
                 if ' ' in att_name or '-' in att_name or keyword.iskeyword(att_name) or column_name != att_name:
                     extra_params['db_column'] = column_name
 
+                # Add primary_key and unique, if necessary.
+                if column_name in indexes:
+                    if indexes[column_name]['primary_key']:
+                        extra_params['primary_key'] = True
+                    elif indexes[column_name]['unique']:
+                        extra_params['unique'] = True
+
                 # Modify the field name to make it Python-compatible.
                 if ' ' in att_name:
                     att_name = att_name.replace(' ', '_')
                     comment_notes.append('Field renamed to remove spaces.')
-                    
+
                 if '-' in att_name:
                     att_name = att_name.replace('-', '_')
                     comment_notes.append('Field renamed to remove dashes.')
-                    
+
                 if column_name != att_name:
                     comment_notes.append('Field name made lowercase.')
 
@@ -88,15 +95,8 @@ def handle_inspection(self, options):
                     extra_params.update(field_params)
                     comment_notes.extend(field_notes)
 
-                    # Add primary_key and unique, if necessary.
-                    if column_name in indexes:
-                        if indexes[column_name]['primary_key']:
-                            extra_params['primary_key'] = True
-                        elif indexes[column_name]['unique']:
-                            extra_params['unique'] = True
-
                     field_type += '('
-                    
+
                 if keyword.iskeyword(att_name):
                     att_name += '_field'
                     comment_notes.append('Field renamed because it was a Python reserved word.')

tests/regressiontests/inspectdb/models.py

@@ -6,3 +6,12 @@ class People(models.Model):
 
 class Message(models.Model):
     from_field = models.ForeignKey(People, db_column='from_id')
+
+class PeopleData(models.Model):
+    people_pk = models.ForeignKey(People, primary_key=True)
+    ssn = models.CharField(max_length=11)
+
+class PeopleMoreData(models.Model):
+    people_unique = models.ForeignKey(People, unique=True)
+    license = models.CharField(max_length=255)
+

tests/regressiontests/inspectdb/tests.py

@@ -13,4 +13,8 @@ def test_attribute_name_not_python_keyword(self):
         error_message = "inspectdb generated an attribute name which is a python keyword"
         self.assertNotIn("from = models.ForeignKey(InspectdbPeople)", out.getvalue(), msg=error_message)
         self.assertIn("from_field = models.ForeignKey(InspectdbPeople)", out.getvalue())
+        self.assertIn("people_pk = models.ForeignKey(InspectdbPeople, primary_key=True)",
+            out.getvalue())
+        self.assertIn("people_unique = models.ForeignKey(InspectdbPeople, unique=True)",
+            out.getvalue())
         out.close()