Fixed #27676 -- Allowed BLOB/TEXT defaults on MariaDB 10.2.1+.

1 files changed, 10 insertions, 1 deletions

diff --git a/django/db/backends/mysql/schema.py b/django/db/backends/mysql/schema.py
index 9b80b9bede..8c54565e3d 100644
--- a/django/db/backends/mysql/schema.py
+++ b/django/db/backends/mysql/schema.py
@@ -48,7 +48,16 @@ class DatabaseSchemaEditor(BaseDatabaseSchemaEditor):
         return db_type is not None and db_type.lower() in self.connection._limited_data_types
 
     def skip_default(self, field):
-        return self._is_limited_data_type(field)
+        if not self._supports_limited_data_type_defaults:
+            return self._is_limited_data_type(field)
+        return False
+
+    @property
+    def _supports_limited_data_type_defaults(self):
+        # Only MariaDB >= 10.2.1 supports defaults for BLOB and TEXT.
+        if self.connection.mysql_is_mariadb:
+            return self.connection.mysql_version >= (10, 2, 1)
+        return False
 
     def add_field(self, model, field):
         super().add_field(model, field)