Refs #29548 -- Mentioned MariaDB in database system checks.

django/db/backends/mysql/validation.py

@@ -12,12 +12,20 @@ class DatabaseValidation(BaseDatabaseValidation):
     def _check_sql_mode(self, **kwargs):
         if not (self.connection.sql_mode & {'STRICT_TRANS_TABLES', 'STRICT_ALL_TABLES'}):
             return [checks.Warning(
-                "MySQL Strict Mode is not set for database connection '%s'" % self.connection.alias,
-                hint="MySQL's Strict Mode fixes many data integrity problems in MySQL, "
-                     "such as data truncation upon insertion, by escalating warnings into "
-                     "errors. It is strongly recommended you activate it. See: "
-                     "https://docs.djangoproject.com/en/%s/ref/databases/#mysql-sql-mode"
-                     % (get_docs_version(),),
+                "%s Strict Mode is not set for database connection '%s'"
+                % (self.connection.display_name, self.connection.alias),
+                hint=(
+                    "%s's Strict Mode fixes many data integrity problems in "
+                    "%s, such as data truncation upon insertion, by "
+                    "escalating warnings into errors. It is strongly "
+                    "recommended you activate it. See: "
+                    "https://docs.djangoproject.com/en/%s/ref/databases/#mysql-sql-mode"
+                    % (
+                        self.connection.display_name,
+                        self.connection.display_name,
+                        get_docs_version(),
+                    ),
+                ),
                 id='mysql.W002',
             )]
         return []
@@ -34,7 +42,8 @@ class DatabaseValidation(BaseDatabaseValidation):
                 (field.max_length is None or int(field.max_length) > 255)):
             errors.append(
                 checks.Error(
-                    'MySQL does not allow unique CharFields to have a max_length > 255.',
+                    '%s does not allow unique CharFields to have a max_length '
+                    '> 255.' % self.connection.display_name,
                     obj=field,
                     id='mysql.E001',
                 )

docs/ref/checks.txt

@@ -121,14 +121,14 @@ configured:
 Database
 --------
 
-MySQL
-~~~~~
+MySQL and MariaDB
+~~~~~~~~~~~~~~~~~
 
-If you're using MySQL, the following checks will be performed:
+If you're using MySQL or MariaDB, the following checks will be performed:
 
-* **mysql.E001**: MySQL does not allow unique ``CharField``\s to have a
+* **mysql.E001**: MySQL/MariaDB does not allow unique ``CharField``\s to have a
   ``max_length`` > 255.
-* **mysql.W002**: MySQL Strict Mode is not set for database connection
+* **mysql.W002**: MySQL/MariaDB Strict Mode is not set for database connection
   '<alias>'. See also :ref:`mysql-sql-mode`.
 
 Model fields

tests/invalid_models_tests/test_ordinary_fields.py

@@ -373,7 +373,8 @@ class CharFieldTests(SimpleTestCase):
         validator = DatabaseValidation(connection=connection)
         self.assertEqual(validator.check_field(field), [
             Error(
-                'MySQL does not allow unique CharFields to have a max_length > 255.',
+                '%s does not allow unique CharFields to have a max_length > '
+                '255.' % connection.display_name,
                 obj=field,
                 id='mysql.E001',
             )