diff options
| -rw-r--r-- | django/db/backends/oracle/base.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/django/db/backends/oracle/base.py b/django/db/backends/oracle/base.py index b13bab1798..ae77de57d0 100644 --- a/django/db/backends/oracle/base.py +++ b/django/db/backends/oracle/base.py @@ -111,7 +111,7 @@ class DatabaseWrapper(BaseDatabaseWrapper): } data_type_check_constraints = { 'BooleanField': '%(qn_column)s IN (0,1)', - 'NullBooleanField': '(%(qn_column)s IN (0,1)) OR (%(qn_column)s IS NULL)', + 'NullBooleanField': '%(qn_column)s IN (0,1)', 'PositiveIntegerField': '%(qn_column)s >= 0', 'PositiveSmallIntegerField': '%(qn_column)s >= 0', } |