Remove sqeleton's runtime mixins (used only in tests)

data_diff/sqeleton/databases/_connect.py

@@ -105,11 +105,6 @@ def for_databases(self, *dbs) -> Self:
         database_by_scheme = {k: db for k, db in self.database_by_scheme.items() if k in dbs}
         return type(self)(database_by_scheme)
 
-    def load_mixins(self, *abstract_mixins: AbstractMixin) -> Self:
-        "Extend all the databases with a list of mixins that implement the given abstract mixins."
-        database_by_scheme = {k: db.load_mixins(*abstract_mixins) for k, db in self.database_by_scheme.items()}
-        return type(self)(database_by_scheme)
-
     def connect_to_uri(self, db_uri: str, thread_count: Optional[int] = 1, **kwargs) -> Database:
         """Connect to the given database uri
 

data_diff/sqeleton/databases/base.py

@@ -551,14 +551,6 @@ def list_tables(self, tables_like, schema=None):
     def table(self, *path, **kw):
         return bound_table(self, path, **kw)
 
-    @classmethod
-    def load_mixins(cls, *abstract_mixins) -> type:
-        class _DatabaseWithMixins(cls):
-            dialect = cls.dialect.load_mixins(*abstract_mixins)
-
-        _DatabaseWithMixins.__name__ = cls.__name__
-        return _DatabaseWithMixins
-
 
 class ThreadedDatabase(Database):
     """Access the database through singleton threads.

tests/sqeleton/test_database.py → tests/test_database.py

@@ -7,8 +7,7 @@
 from data_diff.sqeleton import connect
 from data_diff.sqeleton import databases as dbs
 from data_diff.sqeleton.queries import table, current_timestamp, NormalizeAsString
-from tests.common import TEST_MYSQL_CONN_STRING
-from tests.sqeleton.common import str_to_checksum, test_each_database_in_list, get_conn, random_table_suffix
+from tests.common import TEST_MYSQL_CONN_STRING, test_each_database_in_list, get_conn, str_to_checksum, random_table_suffix
 from data_diff.sqeleton.abcs.database_types import TimestampTZ
 
 TEST_DATABASES = {