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Diffstat (limited to 'django/db/backends/mysql/schema.py')
| -rw-r--r-- | django/db/backends/mysql/schema.py | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/django/db/backends/mysql/schema.py b/django/db/backends/mysql/schema.py index 455fd1b0e3..9cae8b79b5 100644 --- a/django/db/backends/mysql/schema.py +++ b/django/db/backends/mysql/schema.py @@ -29,20 +29,12 @@ class DatabaseSchemaEditor(BaseDatabaseSchemaEditor): import MySQLdb.converters return MySQLdb.escape(value, MySQLdb.converters.conversions) - def skip_default(self, field): - """ - MySQL doesn't accept default values for some data types and implicitly - treats these columns as nullable. - """ + def _is_limited_data_type(self, field): db_type = field.db_type(self.connection) - return ( - db_type is not None and - db_type.lower() in { - 'tinyblob', 'blob', 'mediumblob', 'longblob', - 'tinytext', 'text', 'mediumtext', 'longtext', - 'json', - } - ) + 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) def add_field(self, model, field): super().add_field(model, field) @@ -69,6 +61,8 @@ class DatabaseSchemaEditor(BaseDatabaseSchemaEditor): field.get_internal_type() == 'ForeignKey' and field.db_constraint): return False + if self._is_limited_data_type(field): + return False return create_index def _delete_composed_index(self, model, fields, *args): |