diff options
Diffstat (limited to 'django/db/backends/sqlite3/base.py')
| -rw-r--r-- | django/db/backends/sqlite3/base.py | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/django/db/backends/sqlite3/base.py b/django/db/backends/sqlite3/base.py index f175bc4cb7..745f9982a0 100644 --- a/django/db/backends/sqlite3/base.py +++ b/django/db/backends/sqlite3/base.py @@ -101,7 +101,7 @@ class DatabaseOperations(BaseDatabaseOperations): return [first % value, second % value] class DatabaseWrapper(BaseDatabaseWrapper): - + # SQLite requires LIKE statements to include an ESCAPE clause if the value # being escaped has a percent or underscore in it. # See http://www.sqlite.org/lang_expr.html for an explanation. @@ -124,7 +124,7 @@ class DatabaseWrapper(BaseDatabaseWrapper): def __init__(self, *args, **kwargs): super(DatabaseWrapper, self).__init__(*args, **kwargs) - + self.features = DatabaseFeatures() self.ops = DatabaseOperations() self.client = DatabaseClient() @@ -179,6 +179,8 @@ class SQLiteCursorWrapper(Database.Cursor): return query % tuple("?" * num_params) def _sqlite_extract(lookup_type, dt): + if dt is None: + return None try: dt = util.typecast_timestamp(dt) except (ValueError, TypeError): |