Changed default value of DatabaseFeatures.has_bulk_insert to True.

django/db/backends/base/features.py

@@ -25,7 +25,7 @@ class BaseDatabaseFeatures:
     can_use_chunked_reads = True
     can_return_id_from_insert = False
     can_return_ids_from_bulk_insert = False
-    has_bulk_insert = False
+    has_bulk_insert = True
     uses_savepoints = False
     can_release_savepoints = False
 

django/db/backends/mysql/features.py

@@ -8,7 +8,6 @@ class DatabaseFeatures(BaseDatabaseFeatures):
     allows_group_by_pk = True
     related_fields_match_type = True
     allow_sliced_subqueries = False
-    has_bulk_insert = True
     has_select_for_update = True
     has_select_for_update_nowait = False
     supports_forward_references = False

django/db/backends/oracle/features.py

@@ -21,7 +21,6 @@ class DatabaseFeatures(BaseDatabaseFeatures):
     can_defer_constraint_checks = True
     supports_partially_nullable_unique_constraints = False
     truncates_names = True
-    has_bulk_insert = True
     supports_tablespaces = True
     supports_sequence_reset = False
     can_introspect_time_field = False

django/db/backends/postgresql/features.py

@@ -14,7 +14,6 @@ class DatabaseFeatures(BaseDatabaseFeatures):
     has_select_for_update = True
     has_select_for_update_nowait = True
     has_select_for_update_of = True
-    has_bulk_insert = True
     uses_savepoints = True
     can_release_savepoints = True
     supports_tablespaces = True

django/db/backends/sqlite3/features.py

@@ -16,7 +16,6 @@ class DatabaseFeatures(BaseDatabaseFeatures):
     supports_timezones = False
     max_query_params = 999
     supports_mixed_date_datetime_comparisons = False
-    has_bulk_insert = True
     supports_column_check_constraints = False
     autocommits_when_autocommit_is_off = True
     can_introspect_decimal_field = False