Refs #29928 -- Added supports_pragma_foreign_key_check SQLite feature flag.

django/db/backends/sqlite3/base.py

@@ -267,7 +267,7 @@ class DatabaseWrapper(BaseDatabaseWrapper):
         determine if rows with invalid references were entered while constraint
         checks were off.
         """
-        if Database.sqlite_version_info >= (3, 20, 0):
+        if self.features.supports_pragma_foreign_key_check:
             with self.cursor() as cursor:
                 if table_names is None:
                     violations = self.cursor().execute('PRAGMA foreign_key_check').fetchall()

django/db/backends/sqlite3/features.py

@@ -40,7 +40,8 @@ class DatabaseFeatures(BaseDatabaseFeatures):
     supports_parentheses_in_compound = False
     # Deferred constraint checks can be emulated on SQLite < 3.20 but not in a
     # reasonably performant way.
-    can_defer_constraint_checks = Database.sqlite_version_info >= (3, 20, 0)
+    supports_pragma_foreign_key_check = Database.sqlite_version_info >= (3, 20, 0)
+    can_defer_constraint_checks = supports_pragma_foreign_key_check
 
     @cached_property
     def supports_stddev(self):