databasemanager.py 文件源码

def _create_postgre_sql(self, config):
        """
        Create PostgreSQL
        :param config:  The config
        :return:        SQLAlchemy Engine
        :rtype:         sqlalchemy.engine.base.Engine
        """

        db = DatabaseManager.get_sql_alchemy_instance()

        bind = config['name']
        if self._instances_config and self._instances_config[0]['name'] == config['name']:
            bind = None
        return db.get_engine(bind=bind)