[1.1.X] Fixed #11623 -- Corrected table name quoting in db cache back…

…end. Thanks to Fraser Nevett for the report and fix.

Backport of r12410 from trunk.

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.1.X@12414 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/core/cache/backends/db.py

@@ -12,7 +12,7 @@
 class CacheClass(BaseCache):
     def __init__(self, table, params):
         BaseCache.__init__(self, params)
-        self._table = table
+        self._table = connection.ops.quote_name(table)
         max_entries = params.get('max_entries', 300)
         try:
             self._max_entries = int(max_entries)

django/core/management/commands/createcachetable.py

@@ -27,8 +27,8 @@ def handle_label(self, tablename, **options):
                 field_output.append("UNIQUE")
             if f.db_index:
                 unique = f.unique and "UNIQUE " or ""
-                index_output.append("CREATE %sINDEX %s_%s ON %s (%s);" % \
-                    (unique, tablename, f.name, qn(tablename),
+                index_output.append("CREATE %sINDEX %s ON %s (%s);" % \
+                    (unique, qn('%s_%s' % (tablename, f.name)), qn(tablename),
                     qn(f.name)))
             table_output.append(" ".join(field_output))
         full_statement = ["CREATE TABLE %s (" % qn(tablename)]

tests/regressiontests/cache/tests.py

@@ -296,13 +296,15 @@ def test_long_timeout(self):
 
 class DBCacheTests(unittest.TestCase, BaseCacheTests):
     def setUp(self):
-        management.call_command('createcachetable', 'test_cache_table', verbosity=0, interactive=False)
-        self.cache = get_cache('db://test_cache_table')
+        # Spaces are used in the table name to ensure quoting/escaping is working
+        self._table_name = 'test cache table'
+        management.call_command('createcachetable', self._table_name, verbosity=0, interactive=False)
+        self.cache = get_cache('db://%s' % self._table_name)
 
     def tearDown(self):
         from django.db import connection
         cursor = connection.cursor()
-        cursor.execute('DROP TABLE test_cache_table');
+        cursor.execute('DROP TABLE %s' % connection.ops.quote_name(self._table_name))
 
 class LocMemCacheTests(unittest.TestCase, BaseCacheTests):
     def setUp(self):