fix CreateTable: add types for any sqlalchemy type

Author: StpMax

mindsdb_sql_parser/ast/create.py

@@ -95,6 +95,8 @@ def get_string(self, *args, **kwargs):
                         type = 'float'
                     elif issubclass(col.type, sa_types.Text):
                         type = 'text'
+                    elif hasattr(col.type, '__visit_name__'):
+                        type = col.type.__visit_name__
                 else:
                     type = str(col.type)
                 if col.length is not None: