diff options
Diffstat (limited to 'django/db/backends')
| -rw-r--r-- | django/db/backends/base/features.py | 3 | ||||
| -rw-r--r-- | django/db/backends/mysql/features.py | 1 | ||||
| -rw-r--r-- | django/db/backends/sqlite3/features.py | 1 |
3 files changed, 5 insertions, 0 deletions
diff --git a/django/db/backends/base/features.py b/django/db/backends/base/features.py index 4058b10a5e..14092e793e 100644 --- a/django/db/backends/base/features.py +++ b/django/db/backends/base/features.py @@ -88,6 +88,9 @@ class BaseDatabaseFeatures: # Does the backend order NULL values as largest or smallest? nulls_order_largest = False + # Does the backend support NULLS FIRST and NULLS LAST in ORDER BY? + supports_order_by_nulls_modifier = True + # The database's limit on the number of query parameters. max_query_params = None diff --git a/django/db/backends/mysql/features.py b/django/db/backends/mysql/features.py index 6a7f87ba27..9aaae2b5da 100644 --- a/django/db/backends/mysql/features.py +++ b/django/db/backends/mysql/features.py @@ -50,6 +50,7 @@ class DatabaseFeatures(BaseDatabaseFeatures): db_functions_convert_bytes_to_str = True # Neither MySQL nor MariaDB support partial indexes. supports_partial_indexes = False + supports_order_by_nulls_modifier = False @cached_property def _mysql_storage_engine(self): diff --git a/django/db/backends/sqlite3/features.py b/django/db/backends/sqlite3/features.py index c82be5c30d..6aebbc3262 100644 --- a/django/db/backends/sqlite3/features.py +++ b/django/db/backends/sqlite3/features.py @@ -44,3 +44,4 @@ class DatabaseFeatures(BaseDatabaseFeatures): supports_over_clause = Database.sqlite_version_info >= (3, 25, 0) supports_frame_range_fixed_distance = Database.sqlite_version_info >= (3, 28, 0) supports_aggregate_filter_clause = Database.sqlite_version_info >= (3, 30, 1) + supports_order_by_nulls_modifier = Database.sqlite_version_info >= (3, 30, 0) |